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cmod_pvsamv1.cpp
3179 lines (2776 loc) · 391 KB
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cmod_pvsamv1.cpp
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/**
BSD-3-Clause
Copyright 2019 Alliance for Sustainable Energy, LLC
Redistribution and use in source and binary forms, with or without modification, are permitted provided
that the following conditions are met :
1. Redistributions of source code must retain the above copyright notice, this list of conditions
and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions
and the following disclaimer in the documentation and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse
or promote products derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED.IN NO EVENT SHALL THE COPYRIGHT HOLDER, CONTRIBUTORS, UNITED STATES GOVERNMENT OR UNITED STATES
DEPARTMENT OF ENERGY, NOR ANY OF THEIR EMPLOYEES, BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
OR CONSEQUENTIAL DAMAGES(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "cmod_pvsamv1.h"
#include "lib_pv_io_manager.h"
#include "lib_resilience.h"
#include "lib_time.h"
// comment following define if do not want shading database validation outputs
//#define SHADE_DB_OUTPUTS
static var_info _cm_vtab_pvsamv1[] = {
/* VARTYPE DATATYPE NAME LABEL UNITS META GROUP REQUIRED_IF CONSTRAINTS UI_HINTS*/
{SSC_INPUT, SSC_STRING, "solar_resource_file", "Weather file in TMY2, TMY3, EPW, or SAM CSV", "", "", "Solar Resource", "?", "", "" },
{SSC_INPUT, SSC_TABLE, "solar_resource_data", "Weather data", "", "lat,lon,tz,elev,year,month,hour,minute,gh,dn,df,poa,tdry,twet,tdew,rhum,pres,snow,alb,aod,wspd,wdir", "Solar Resource", "?", "", "" },
// transformer model percent of rated ac output
{SSC_INPUT, SSC_NUMBER, "transformer_no_load_loss", "Power transformer no load loss", "%", "", "Losses", "?=0", "", "" },
{SSC_INPUT, SSC_NUMBER, "transformer_load_loss", "Power transformer load loss", "%", "", "Losses", "?=0", "", "" },
// optional for lifetime analysis
{SSC_INPUT, SSC_NUMBER, "system_use_lifetime_output", "PV lifetime simulation", "0/1", "", "Lifetime", "?=0", "INTEGER,MIN=0,MAX=1", "" },
{SSC_INPUT, SSC_NUMBER, "analysis_period", "Lifetime analysis period", "years", "", "Lifetime", "system_use_lifetime_output=1", "", "" },
{SSC_INPUT, SSC_ARRAY, "dc_degradation", "Annual DC degradation", "%/year", "", "Lifetime", "system_use_lifetime_output=1", "", "" },
{SSC_OUTPUT,SSC_ARRAY, "dc_degrade_factor", "Annual DC degradation factor", "", "", "Lifetime", "system_use_lifetime_output=1", "", "" },
{SSC_INPUT, SSC_NUMBER, "en_dc_lifetime_losses", "Enable lifetime daily DC losses", "0/1", "", "Lifetime", "?=0", "INTEGER,MIN=0,MAX=1", "" },
{SSC_INPUT, SSC_ARRAY, "dc_lifetime_losses", "Lifetime daily DC losses", "%", "", "Lifetime", "en_dc_lifetime_losses=1", "", "" },
{SSC_INPUT, SSC_NUMBER, "en_ac_lifetime_losses", "Enable lifetime daily AC losses", "0/1", "", "Lifetime", "?=0", "INTEGER,MIN=0,MAX=1", "" },
{SSC_INPUT, SSC_ARRAY, "ac_lifetime_losses", "Lifetime daily AC losses", "%", "", "Lifetime", "en_ac_lifetime_losses=1", "", "" },
{SSC_INPUT, SSC_NUMBER, "save_full_lifetime_variables", "Save and display vars for full lifetime", "0/1", "", "Lifetime", "?=1", "INTEGER,MIN=0,MAX=1", "" },
// misc inputs
{SSC_INPUT, SSC_NUMBER, "en_snow_model", "Toggle snow loss estimation", "0/1", "", "Losses", "?=0", "BOOLEAN", "" },
{SSC_INPUT, SSC_NUMBER, "system_capacity", "DC Nameplate capacity", "kWdc", "", "System Design", "*", "", "" },
{SSC_INPUT, SSC_NUMBER, "use_wf_albedo", "Use albedo in weather file if provided", "0/1", "0=user-specified,1=weatherfile", "Solar Resource", "?=1", "BOOLEAN", "" },
{SSC_INPUT, SSC_ARRAY, "albedo", "User specified ground albedo", "0..1", "", "Solar Resource", "*", "LENGTH=12", "" },
{SSC_INPUT, SSC_NUMBER, "irrad_mode", "Irradiance input translation mode", "", "0=beam&diffuse,1=total&beam,2=total&diffuse,3=poa_reference,4=poa_pyranometer", "Solar Resource", "?=0", "INTEGER,MIN=0,MAX=4", "" },
{SSC_INPUT, SSC_NUMBER, "sky_model", "Diffuse sky model", "", "0=isotropic,1=hkdr,2=perez", "Solar Resource", "?=2", "INTEGER,MIN=0,MAX=2", "" },
{SSC_INPUT, SSC_NUMBER, "inverter_count", "Number of inverters", "", "", "System Design", "*", "INTEGER,POSITIVE", "" },
{SSC_INPUT, SSC_NUMBER, "enable_mismatch_vmax_calc", "Enable mismatched subarray Vmax calculation", "", "", "System Design", "?=0", "BOOLEAN", "" },
// subarray 1
{SSC_INPUT, SSC_NUMBER, "subarray1_nstrings", "Sub-array 1 Number of parallel strings", "", "", "System Design", "", "INTEGER", "" },
{SSC_INPUT, SSC_NUMBER, "subarray1_modules_per_string", "Sub-array 1 Modules per string", "", "", "System Design", "*", "INTEGER,POSITIVE", "" },
{SSC_INPUT, SSC_NUMBER, "subarray1_mppt_input", "Sub-array 1 Inverter MPPT input number", "", "", "System Design", "?=1", "INTEGER,POSITIVE", "" },
{SSC_INPUT, SSC_NUMBER, "subarray1_tilt", "Sub-array 1 Tilt", "deg", "0=horizontal,90=vertical", "System Design", "", "MIN=0,MAX=90", "" },
{SSC_INPUT, SSC_NUMBER, "subarray1_tilt_eq_lat", "Sub-array 1 Tilt=latitude override", "0/1", "0=false,1=override", "System Design", "", "BOOLEAN", "" },
{SSC_INPUT, SSC_NUMBER, "subarray1_azimuth", "Sub-array 1 Azimuth", "deg", "0=N,90=E,180=S,270=W", "System Design", "", "MIN=0,MAX=359.9", "" },
{SSC_INPUT, SSC_NUMBER, "subarray1_track_mode", "Sub-array 1 Tracking mode", "", "0=fixed,1=1axis,2=2axis,3=azi,4=monthly", "System Design", "*", "INTEGER,MIN=0,MAX=4", "" },
{SSC_INPUT, SSC_NUMBER, "subarray1_rotlim", "Sub-array 1 Tracker rotation limit", "deg", "", "System Design", "?=45", "MIN=0,MAX=85", "" },
{SSC_INPUT, SSC_NUMBER, "subarray1_shade_mode", "Sub-array 1 shading mode (fixed tilt or 1x tracking)","0/1/2", "0=none,1=standard(non-linear),2=thin film(linear)", "Shading", "*", "INTEGER,MIN=0,MAX=2", "" },
{SSC_INPUT, SSC_NUMBER, "subarray1_gcr", "Sub-array 1 Ground coverage ratio", "0..1", "", "System Design", "?=0.3", "MIN=0.01,MAX=0.99", "" },
{SSC_INPUT, SSC_NUMBER, "subarray1_slope_tilt", "Sub-array 1 terrain tilt", "deg", "", "System Design", "?=0.0", "", "" },
{SSC_INPUT, SSC_NUMBER, "subarray1_slope_azm", "Sub-array 1 terrain azimuth", "deg", "", "System Design", "?=0.0", "", "" },
{SSC_INPUT, SSC_ARRAY, "subarray1_monthly_tilt", "Sub-array 1 monthly tilt input", "deg", "", "System Design", "subarray1_track_mode=4", "LENGTH=12", "" },
{SSC_INPUT, SSC_NUMBER, "subarray1_shading:string_option", "Sub-array 1 shading string option", "", "0=shadingdb,1=average,2=maximum,3=minimum", "Shading", "?=-1", "INTEGER,MIN=-1,MAX=4","" },
{SSC_INPUT, SSC_MATRIX, "subarray1_shading:timestep", "Sub-array 1 timestep beam shading losses", "%", "", "Shading", "?", "", "" },
{SSC_INPUT, SSC_MATRIX, "subarray1_shading:mxh", "Sub-array 1 Month x Hour beam shading losses", "%", "", "Shading", "?", "", "" },
{SSC_INPUT, SSC_MATRIX, "subarray1_shading:azal", "Sub-array 1 Azimuth x altitude beam shading losses", "%", "", "Shading", "?", "", "" },
{SSC_INPUT, SSC_NUMBER, "subarray1_shading:diff", "Sub-array 1 Diffuse shading loss", "%", "", "Shading", "?", "", "" },
{SSC_INPUT, SSC_ARRAY, "subarray1_soiling", "Sub-array 1 Monthly soiling loss", "%", "", "Losses", "*", "LENGTH=12", "" },
// loss diagram outputs, also used to calculate total dc derate
{SSC_INPUT, SSC_NUMBER, "subarray1_rear_irradiance_loss", "Sub-array 1 rear irradiance loss", "%", "", "Losses", "*", "MIN=0,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "subarray1_mismatch_loss", "Sub-array 1 DC mismatch loss", "%", "", "Losses", "*", "MIN=0,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "subarray1_diodeconn_loss", "Sub-array 1 DC diodes and connections loss", "%", "", "Losses", "*", "MIN=0,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "subarray1_dcwiring_loss", "Sub-array 1 DC wiring loss", "%", "", "Losses", "*", "MIN=0,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "subarray1_tracking_loss", "Sub-array 1 DC tracking error loss", "%", "", "Losses", "*", "MIN=0,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "subarray1_nameplate_loss", "Sub-array 1 DC nameplate loss", "%", "", "Losses", "*", "MIN=-5,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_rear_irradiance_loss", "Sub-array 2 rear irradiance loss", "%", "", "Losses", "subarray2_enable=1", "MIN=0,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_mismatch_loss", "Sub-array 2 DC mismatch loss", "%", "", "Losses", "?", "MIN=0,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_diodeconn_loss", "Sub-array 2 DC diodes and connections loss", "%", "", "Losses", "?", "MIN=0,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_dcwiring_loss", "Sub-array 2 DC wiring loss", "%", "", "Losses", "?", "MIN=0,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_tracking_loss", "Sub-array 2 DC tracking error loss", "%", "", "Losses", "?", "MIN=0,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_nameplate_loss", "Sub-array 2 DC nameplate loss", "%", "", "Losses", "?", "MIN=-5,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "subarray3_rear_irradiance_loss", "Sub-array 3 rear irradiance loss", "%", "", "Losses", "subarray3_enable=1", "MIN=0,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "subarray3_mismatch_loss", "Sub-array 3 DC mismatch loss", "%", "", "Losses", "?", "MIN=0,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "subarray3_diodeconn_loss", "Sub-array 3 DC diodes and connections loss", "%", "", "Losses", "?", "MIN=0,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "subarray3_dcwiring_loss", "Sub-array 3 DC wiring loss", "%", "", "Losses", "?", "MIN=0,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "subarray3_tracking_loss", "Sub-array 3 DC tracking error loss", "%", "", "Losses", "?", "MIN=0,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "subarray3_nameplate_loss", "Sub-array 3 DC nameplate loss", "%", "", "Losses", "?", "MIN=-5,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "subarray4_rear_irradiance_loss", "Sub-array 4 rear irradiance loss", "%", "", "Losses", "subarray4_enable=1", "MIN=0,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "subarray4_mismatch_loss", "Sub-array 4 DC mismatch loss", "%", "", "Losses", "?", "MIN=0,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "subarray4_diodeconn_loss", "Sub-array 4 DC diodes and connections loss", "%", "?", "Losses", "?", "MIN=0,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "subarray4_dcwiring_loss", "Sub-array 4 DC wiring loss", "%", "", "Losses", "?", "MIN=0,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "subarray4_tracking_loss", "Sub-array 4 DC tracking error loss", "%", "", "Losses", "?", "MIN=0,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "subarray4_nameplate_loss", "Sub-array 4 DC nameplate loss", "%", "", "Losses", "?", "MIN=-5,MAX=100", "" },
//losses that are applied uniformly to all subarrays
{SSC_INPUT, SSC_NUMBER, "dcoptimizer_loss", "DC power optimizer loss", "%", "", "Losses", "*", "MIN=0,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "acwiring_loss", "AC wiring loss", "%", "", "Losses", "*", "MIN=0,MAX=100", "" },
{SSC_INPUT, SSC_NUMBER, "transmission_loss", "Transmission loss", "%", "", "Losses", "*", "MIN=0,MAX=100", "" },
//system design inputs
{SSC_INPUT, SSC_NUMBER, "subarray1_mod_orient", "Sub-array 1 Module orientation", "0/1", "0=portrait,1=landscape", "Layout", "*", "INTEGER,MIN=0,MAX=1", "" },
{SSC_INPUT, SSC_NUMBER, "subarray1_nmodx", "Sub-array 1 Number of modules along bottom of row", "", "", "Layout", "*", "INTEGER,POSITIVE", "" },
{SSC_INPUT, SSC_NUMBER, "subarray1_nmody", "Sub-array 1 Number of modules along side of row", "", "", "Layout", "*", "INTEGER,POSITIVE", "" },
{SSC_INPUT, SSC_NUMBER, "subarray1_backtrack", "Sub-array 1 Backtracking enabled", "", "0=no backtracking,1=backtrack", "System Design", "subarray1_track_mode=1", "BOOLEAN", "" },
// subarray 2
{SSC_INPUT, SSC_NUMBER, "subarray2_enable", "Sub-array 2 Enable", "0/1", "0=disabled,1=enabled", "System Design", "?=0", "BOOLEAN", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_modules_per_string", "Sub-array 2 Modules per string", "", "", "System Design", "subarray2_enable=1", "INTEGER,MIN=1", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_nstrings", "Sub-array 2 Number of parallel strings", "", "", "System Design", "subarray2_enable=1", "INTEGER,MIN=1", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_mppt_input", "Sub-array 2 Inverter MPPT input number", "", "", "System Design", "?=1", "INTEGER,POSITIVE", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_tilt", "Sub-array 2 Tilt", "deg", "0=horizontal,90=vertical", "System Design", "", "MIN=0,MAX=90", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_tilt_eq_lat", "Sub-array 2 Tilt=latitude override", "0/1", "0=false,1=override", "System Design", "", "BOOLEAN", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_azimuth", "Sub-array 2 Azimuth", "deg", "0=N,90=E,180=S,270=W", "System Design", "", "MIN=0,MAX=359.9", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_track_mode", "Sub-array 2 Tracking mode", "", "0=fixed,1=1axis,2=2axis,3=azi,4=monthly", "System Design", "subarray2_enable=1", "INTEGER,MIN=0,MAX=4", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_rotlim", "Sub-array 2 Tracker rotation limit", "deg", "", "System Design", "?=45", "MIN=0,MAX=85", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_shade_mode", "Sub-array 2 Shading mode (fixed tilt or 1x tracking)","0/1/2", "0=none,1=standard(non-linear),2=thin film(linear)", "Shading", "subarray2_enable=1", "INTEGER,MIN=0,MAX=2", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_gcr", "Sub-array 2 Ground coverage ratio", "0..1", "", "System Design", "?=0.3", "MIN=0.01,MAX=0.99", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_slope_tilt", "Sub-array 2 terrain tilt", "deg", "", "System Design", "?=0.0", "", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_slope_azm", "Sub-array 2 terrain azimuth", "deg", "", "System Design", "?=0.0", "", "" },
{SSC_INPUT, SSC_ARRAY, "subarray2_monthly_tilt", "Sub-array 2 Monthly tilt input", "deg", "", "System Design", "", "LENGTH=12", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_shading:string_option", "Sub-array 2 Shading string option", "", "0=shadingdb,1=average,2=maximum,3=minimum", "Shading", "?=-1", "INTEGER,MIN=-1,MAX=4","" },
{SSC_INPUT, SSC_MATRIX, "subarray2_shading:timestep", "Sub-array 2 Timestep beam shading losses", "%", "", "Shading", "?", "", "" },
{SSC_INPUT, SSC_MATRIX, "subarray2_shading:mxh", "Sub-array 2 Month x Hour beam shading losses", "%", "", "Shading", "?", "", "" },
{SSC_INPUT, SSC_MATRIX, "subarray2_shading:azal", "Sub-array 2 Azimuth x altitude beam shading losses", "%", "", "Shading", "?", "", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_shading:diff", "Sub-array 2 Diffuse shading loss", "%", "", "Shading", "?", "", "" },
{SSC_INPUT, SSC_ARRAY, "subarray2_soiling", "Sub-array 2 Monthly soiling loss", "%", "", "Losses", "subarray2_enable=1", "LENGTH=12", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_mod_orient", "Sub-array 2 Module orientation", "0/1", "0=portrait,1=landscape", "Layout", "subarray2_enable=1", "INTEGER,MIN=0,MAX=1", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_nmodx", "Sub-array 2 Number of modules along bottom of row", "", "", "Layout", "subarray2_enable=1", "INTEGER,POSITIVE", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_nmody", "Sub-array 2 Number of modules along side of row", "", "", "Layout", "subarray2_enable=1", "INTEGER,POSITIVE", "" },
{SSC_INPUT, SSC_NUMBER, "subarray2_backtrack", "Sub-array 2 Backtracking enabled", "", "0=no backtracking,1=backtrack", "System Design", "", "BOOLEAN", "" },
// subarray 3
{ SSC_INPUT, SSC_NUMBER, "subarray3_enable", "Sub-array 3 Enable", "0/1", "0=disabled,1=enabled", "System Design", "?=0", "BOOLEAN", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray3_modules_per_string", "Sub-array 3 Modules per string", "", "", "System Design", "subarray3_enable=1", "INTEGER,MIN=1", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray3_nstrings", "Sub-array 3 Number of parallel strings", "", "", "System Design", "subarray3_enable=1", "INTEGER,MIN=1", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray3_mppt_input", "Sub-array 3 Inverter MPPT input number", "", "", "System Design", "?=1", "INTEGER,POSITIVE", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray3_tilt", "Sub-array 3 Tilt", "deg", "0=horizontal,90=vertical", "System Design", "", "MIN=0,MAX=90", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray3_tilt_eq_lat", "Sub-array 3 Tilt=latitude override", "0/1", "0=false,1=override", "System Design", "", "BOOLEAN", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray3_azimuth", "Sub-array 3 Azimuth", "deg", "0=N,90=E,180=S,270=W", "System Design", "", "MIN=0,MAX=359.9", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray3_track_mode", "Sub-array 3 Tracking mode", "", "0=fixed,1=1axis,2=2axis,3=azi,4=monthly", "System Design", "subarray3_enable=1", "INTEGER,MIN=0,MAX=4", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray3_rotlim", "Sub-array 3 Tracker rotation limit", "deg", "", "System Design", "?=45", "MIN=0,MAX=85", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray3_shade_mode", "Sub-array 3 Shading mode (fixed tilt or 1x tracking)","0/1/2", "0=none,1=standard(non-linear),2=thin film(linear)", "Shading", "subarray3_enable=1", "INTEGER,MIN=0,MAX=2", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray3_gcr", "Sub-array 3 Ground coverage ratio", "0..1", "", "System Design", "?=0.3", "MIN=0.01,MAX=0.99", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray3_slope_tilt", "Sub-array 3 terrain tilt", "deg", "", "System Design", "?=0.0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray3_slope_azm", "Sub-array 3 terrain azimuth", "deg", "", "System Design", "?=0.0", "", "" },
{ SSC_INPUT, SSC_ARRAY, "subarray3_monthly_tilt", "Sub-array 3 Monthly tilt input", "deg", "", "System Design", "", "LENGTH=12", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray3_shading:string_option", "Sub-array 3 Shading string option", "", "0=shadingdb,1=average,2=maximum,3=minimum", "Shading", "?=-1", "INTEGER,MIN=-1,MAX=4","" },
{ SSC_INPUT, SSC_MATRIX, "subarray3_shading:timestep", "Sub-array 3 Timestep beam shading losses", "%", "", "Shading", "?", "", "" },
{ SSC_INPUT, SSC_MATRIX, "subarray3_shading:mxh", "Sub-array 3 Month x Hour beam shading losses", "%", "", "Shading", "?", "", "" },
{ SSC_INPUT, SSC_MATRIX, "subarray3_shading:azal", "Sub-array 3 Azimuth x altitude beam shading losses", "%", "", "Shading", "?", "", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray3_shading:diff", "Sub-array 3 Diffuse shading loss", "%", "", "Shading", "?", "", "" },
{ SSC_INPUT, SSC_ARRAY, "subarray3_soiling", "Sub-array 3 Monthly soiling loss", "%", "", "Losses", "subarray3_enable=1", "LENGTH=12", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray3_mod_orient", "Sub-array 3 Module orientation", "0/1", "0=portrait,1=landscape", "Layout", "subarray3_enable=1", "INTEGER,MIN=0,MAX=1", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray3_nmodx", "Sub-array 3 Number of modules along bottom of row", "", "", "Layout", "subarray3_enable=1", "INTEGER,POSITIVE", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray3_nmody", "Sub-array 3 Number of modules along side of row", "", "", "Layout", "subarray3_enable=1", "INTEGER,POSITIVE", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray3_backtrack", "Sub-array 3 Backtracking enabled", "", "0=no backtracking,1=backtrack", "System Design", "", "BOOLEAN", "" },
// subarray 4
{ SSC_INPUT, SSC_NUMBER, "subarray4_enable", "Sub-array 4 Enable", "0/1", "0=disabled,1=enabled", "System Design", "?=0", "BOOLEAN", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray4_modules_per_string", "Sub-array 4 Modules per string", "", "", "System Design", "subarray4_enable=1", "INTEGER,MIN=1", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray4_nstrings", "Sub-array 4 Number of parallel strings", "", "", "System Design", "subarray4_enable=1", "INTEGER,MIN=1", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray4_mppt_input", "Sub-array 4 Inverter MPPT input number", "", "", "System Design", "?=1", "INTEGER,POSITIVE", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray4_tilt", "Sub-array 4 Tilt", "deg", "0=horizontal,90=vertical", "System Design", "", "MIN=0,MAX=90", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray4_tilt_eq_lat", "Sub-array 4 Tilt=latitude override", "0/1", "0=false,1=override", "System Design", "", "BOOLEAN", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray4_azimuth", "Sub-array 4 Azimuth", "deg", "0=N,90=E,180=S,270=W", "System Design", "", "MIN=0,MAX=359.9", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray4_track_mode", "Sub-array 4 Tracking mode", "", "0=fixed,1=1axis,2=2axis,3=azi,4=monthly", "System Design", "subarray4_enable=1", "INTEGER,MIN=0,MAX=4", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray4_rotlim", "Sub-array 4 Tracker rotation limit", "deg", "", "System Design", "?=45", "MIN=0,MAX=85", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray4_shade_mode", "Sub-array 4 shading mode (fixed tilt or 1x tracking)","0/1/2", "0=none,1=standard(non-linear),2=thin film(linear)", "Shading", "subarray4_enable=1", "INTEGER,MIN=0,MAX=2", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray4_gcr", "Sub-array 4 Ground coverage ratio", "0..1", "", "System Design", "?=0.3", "MIN=0.01,MAX=0.99", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray4_slope_tilt", "Sub-array 4 terrain tilt", "deg", "", "System Design", "?=0.0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray4_slope_azm", "Sub-array 4 terrain azimuth", "deg", "", "System Design", "?=0.0", "", "" },
{ SSC_INPUT, SSC_ARRAY, "subarray4_monthly_tilt", "Sub-array 4 Monthly tilt input", "deg", "", "System Design", "", "LENGTH=12", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray4_shading:string_option", "Sub-array 4 Shading string option", "", "0=shadingdb,1=average,2=maximum,3=minimum", "Shading", "?=-1", "INTEGER,MIN=-1,MAX=4","" },
{ SSC_INPUT, SSC_MATRIX, "subarray4_shading:timestep", "Sub-array 4 Timestep beam shading losses", "%", "", "Shading", "?", "", "" },
{ SSC_INPUT, SSC_MATRIX, "subarray4_shading:mxh", "Sub-array 4 Month x Hour beam shading losses", "%", "", "Shading", "?", "", "" },
{ SSC_INPUT, SSC_MATRIX, "subarray4_shading:azal", "Sub-array 4 Azimuth x altitude beam shading losses", "%", "", "Shading", "?", "", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray4_shading:diff", "Sub-array 4 Diffuse shading loss", "%", "", "Shading", "?", "", "" },
{ SSC_INPUT, SSC_ARRAY, "subarray4_soiling", "Sub-array 4 Monthly soiling loss", "%", "", "Losses", "subarray4_enable=1", "LENGTH=12", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray4_mod_orient", "Sub-array 4 Module orientation", "0/1", "0=portrait,1=landscape", "Layout", "subarray4_enable=1", "INTEGER,MIN=0,MAX=1", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray4_nmodx", "Sub-array 4 Number of modules along bottom of row", "", "", "Layout", "subarray4_enable=1", "INTEGER,POSITIVE", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray4_nmody", "Sub-array 4 Number of modules along side of row", "", "", "Layout", "subarray4_enable=1", "INTEGER,POSITIVE", "" },
{ SSC_INPUT, SSC_NUMBER, "subarray4_backtrack", "Sub-array 4 Backtracking enabled", "", "0=no backtracking,1=backtrack", "System Design", "", "BOOLEAN", "" },
// module
{ SSC_INPUT, SSC_NUMBER, "module_model", "Photovoltaic module model specifier", "", "0=spe,1=cec,2=6par_user,3=snl,4=sd11-iec61853,5=PVYield", "Module", "*", "INTEGER,MIN=0,MAX=5", "" },
{ SSC_INPUT, SSC_NUMBER, "module_aspect_ratio", "Module aspect ratio", "", "", "Layout", "?=1.7", "POSITIVE", "" },
// spe model
{ SSC_INPUT, SSC_NUMBER, "spe_area", "Module area", "m2", "", "Simple Efficiency Module Model", "module_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "spe_rad0", "Irradiance level 0", "W/m2", "", "Simple Efficiency Module Model", "module_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "spe_rad1", "Irradiance level 1", "W/m2", "", "Simple Efficiency Module Model", "module_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "spe_rad2", "Irradiance level 2", "W/m2", "", "Simple Efficiency Module Model", "module_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "spe_rad3", "Irradiance level 3", "W/m2", "", "Simple Efficiency Module Model", "module_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "spe_rad4", "Irradiance level 4", "W/m2", "", "Simple Efficiency Module Model", "module_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "spe_eff0", "Efficiency at irradiance level 0", "%", "", "Simple Efficiency Module Model", "module_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "spe_eff1", "Efficiency at irradiance level 1", "%", "", "Simple Efficiency Module Model", "module_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "spe_eff2", "Efficiency at irradiance level 2", "%", "", "Simple Efficiency Module Model", "module_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "spe_eff3", "Efficiency at irradiance level 3", "%", "", "Simple Efficiency Module Model", "module_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "spe_eff4", "Efficiency at irradiance level 4", "%", "", "Simple Efficiency Module Model", "module_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "spe_reference", "Reference irradiance level", "", "", "Simple Efficiency Module Model", "module_model=0", "INTEGER,MIN=0,MAX=4", "" },
{ SSC_INPUT, SSC_NUMBER, "spe_module_structure", "Mounting and module structure", "", "0=glass/cell/polymer sheet - open rack,1=glass/cell/glass - open rack,2=polymer/thin film/steel - open rack,3=Insulated back, building-integrated PV,4=close roof mount,5=user-defined","Simple Efficiency Module Model", "module_model=0", "INTEGER,MIN=0,MAX=5", "" },
{ SSC_INPUT, SSC_NUMBER, "spe_a", "Cell temp parameter a", "", "", "Simple Efficiency Module Model", "module_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "spe_b", "Cell temp parameter b", "", "", "Simple Efficiency Module Model", "module_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "spe_dT", "Cell temp parameter dT", "", "", "Simple Efficiency Module Model", "module_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "spe_temp_coeff", "Temperature coefficient", "%/C", "", "Simple Efficiency Module Model", "module_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "spe_fd", "Diffuse fraction", "0..1", "", "Simple Efficiency Module Model", "module_model=0", "MIN=0,MAX=1", "" },
{ SSC_INPUT, SSC_NUMBER, "spe_vmp", "Nominal max power voltage", "V", "", "Simple Efficiency Module Model", "module_model=0", "POSITIVE", "" },
{ SSC_INPUT, SSC_NUMBER, "spe_voc", "Nominal open circuit voltage", "V", "", "Simple Efficiency Module Model", "module_model=0", "POSITIVE", "" },
{ SSC_INPUT, SSC_NUMBER, "spe_is_bifacial", "Modules are bifacial", "0/1", "", "Simple Efficiency Module Model", "module_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "spe_bifacial_transmission_factor", "Bifacial transmission factor", "0-1", "", "Simple Efficiency Module Model", "module_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "spe_bifaciality", "Bifaciality factor", "%", "", "Simple Efficiency Module Model", "module_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "spe_bifacial_ground_clearance_height", "Module ground clearance height", "m", "", "Simple Efficiency Module Model", "module_model=0", "", "" },
// cec model
{ SSC_INPUT, SSC_NUMBER, "cec_area", "Module area", "m2", "", "CEC Performance Model with Module Database", "module_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_a_ref", "Nonideality factor a", "", "", "CEC Performance Model with Module Database", "module_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_adjust", "Temperature coefficient adjustment", "%", "", "CEC Performance Model with Module Database", "module_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_alpha_sc", "Short circuit current temperature coefficient", "A/C", "", "CEC Performance Model with Module Database", "module_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_beta_oc", "Open circuit voltage temperature coefficient", "V/C", "", "CEC Performance Model with Module Database", "module_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_gamma_r", "Maximum power point temperature coefficient", "%/C", "", "CEC Performance Model with Module Database", "module_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_i_l_ref", "Light current", "A", "", "CEC Performance Model with Module Database", "module_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_i_mp_ref", "Maximum power point current", "A", "", "CEC Performance Model with Module Database", "module_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_i_o_ref", "Saturation current", "A", "", "CEC Performance Model with Module Database", "module_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_i_sc_ref", "Short circuit current", "A", "", "CEC Performance Model with Module Database", "module_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_n_s", "Number of cells in series", "", "", "CEC Performance Model with Module Database", "module_model=1", "POSITIVE", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_r_s", "Series resistance", "ohm", "", "CEC Performance Model with Module Database", "module_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_r_sh_ref", "Shunt resistance", "ohm", "", "CEC Performance Model with Module Database", "module_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_t_noct", "Nominal operating cell temperature", "C", "", "CEC Performance Model with Module Database", "module_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_v_mp_ref", "Maximum power point voltage", "V", "", "CEC Performance Model with Module Database", "module_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_v_oc_ref", "Open circuit voltage", "V", "", "CEC Performance Model with Module Database", "module_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_temp_corr_mode", "Cell temperature model selection", "", "0=noct,1=mc", "CEC Performance Model with Module Database", "module_model=1", "INTEGER,MIN=0,MAX=1", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_is_bifacial", "Modules are bifacial", "0/1", "", "CEC Performance Model with Module Database", "module_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_bifacial_transmission_factor", "Bifacial transmission factor", "0-1", "", "CEC Performance Model with Module Database", "module_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_bifaciality", "Bifaciality factor", "%", "", "CEC Performance Model with Module Database", "module_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_bifacial_ground_clearance_height", "Module ground clearance height", "m", "", "CEC Performance Model with Module Database", "module_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_standoff", "Standoff mode", "", "0=bipv,1=>3.5in,2=2.5-3.5in,3=1.5-2.5in,4=0.5-1.5in,5=<0.5in,6=ground/rack", "CEC Performance Model with Module Database", "module_model=1", "INTEGER,MIN=0,MAX=6", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_height", "Array mounting height", "", "0=one story,1=two story", "CEC Performance Model with Module Database", "module_model=1", "INTEGER,MIN=0,MAX=1", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_mounting_config", "Mounting configuration", "", "0=rack,1=flush,2=integrated,3=gap", "CEC Performance Model with Module Database", "module_model=1&cec_temp_corr_mode=1","INTEGER,MIN=0,MAX=3", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_heat_transfer", "Heat transfer dimensions", "", "0=module,1=array", "CEC Performance Model with Module Database", "module_model=1&cec_temp_corr_mode=1","INTEGER,MIN=0,MAX=1", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_mounting_orientation", "Mounting structure orientation", "", "0=do not impede flow,1=vertical supports,2=horizontal supports", "CEC Performance Model with Module Database", "module_model=1&cec_temp_corr_mode=1","INTEGER,MIN=0,MAX=2", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_gap_spacing", "Gap spacing", "m", "", "CEC Performance Model with Module Database", "module_model=1&cec_temp_corr_mode=1","", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_module_width", "Module width", "m", "", "CEC Performance Model with Module Database", "module_model=1&cec_temp_corr_mode=1","", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_module_length", "Module height", "m", "", "CEC Performance Model with Module Database", "module_model=1&cec_temp_corr_mode=1","", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_array_rows", "Rows of modules in array", "", "", "CEC Performance Model with Module Database", "module_model=1&cec_temp_corr_mode=1","", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_array_cols", "Columns of modules in array", "", "", "CEC Performance Model with Module Database", "module_model=1&cec_temp_corr_mode=1","", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_backside_temp", "Module backside temperature", "C", "", "CEC Performance Model with Module Database", "module_model=1&cec_temp_corr_mode=1","POSITIVE", "" },
{ SSC_INPUT, SSC_NUMBER, "cec_transient_thermal_model_unit_mass","Module unit mass", "kg/m^2", "", "CEC Performance Model with Module Database", "module_model=1","POSITIVE", "" },
// 6 par model
{ SSC_INPUT, SSC_NUMBER, "6par_celltech", "Solar cell technology type", "", "monoSi=0,multiSi=1,CdTe=2,CIS=3,CIGS=4,Amorphous=5", "CEC Performance Model with User Entered Specifications","module_model=2", "INTEGER,MIN=0,MAX=5", "" },
{ SSC_INPUT, SSC_NUMBER, "6par_vmp", "Maximum power point voltage", "V", "", "CEC Performance Model with User Entered Specifications","module_model=2", "", "" },
{ SSC_INPUT, SSC_NUMBER, "6par_imp", "Imp", "A", "", "CEC Performance Model with User Entered Specifications","module_model=2", "", "" },
{ SSC_INPUT, SSC_NUMBER, "6par_voc", "Voc", "V", "", "CEC Performance Model with User Entered Specifications","module_model=2", "", "" },
{ SSC_INPUT, SSC_NUMBER, "6par_isc", "Isc", "A", "", "CEC Performance Model with User Entered Specifications","module_model=2", "", "" },
{ SSC_INPUT, SSC_NUMBER, "6par_bvoc", "Open circuit voltage temperature coefficient", "V/C", "", "CEC Performance Model with User Entered Specifications","module_model=2", "", "" },
{ SSC_INPUT, SSC_NUMBER, "6par_aisc", "Short circuit current temperature coefficient", "A/C", "", "CEC Performance Model with User Entered Specifications","module_model=2", "", "" },
{ SSC_INPUT, SSC_NUMBER, "6par_gpmp", "Maximum power point temperature coefficient", "%/C", "", "CEC Performance Model with User Entered Specifications","module_model=2", "", "" },
{ SSC_INPUT, SSC_NUMBER, "6par_nser", "Nseries", "", "", "CEC Performance Model with User Entered Specifications","module_model=2", "INTEGER,POSITIVE", "" },
{ SSC_INPUT, SSC_NUMBER, "6par_area", "Module area", "m2", "", "CEC Performance Model with User Entered Specifications","module_model=2", "", "" },
{ SSC_INPUT, SSC_NUMBER, "6par_tnoct", "Nominal operating cell temperature", "C", "", "CEC Performance Model with User Entered Specifications","module_model=2", "", "" },
{ SSC_INPUT, SSC_NUMBER, "6par_standoff", "Standoff mode", "", "0=bipv,1=>3.5in,2=2.5-3.5in,3=1.5-2.5in,4=0.5-1.5in,5=<0.5in,6=ground/rack", "CEC Performance Model with User Entered Specifications","module_model=2", "INTEGER,MIN=0,MAX=6", "" },
{ SSC_INPUT, SSC_NUMBER, "6par_mounting", "Array mounting height", "", "0=one story,1=two story", "CEC Performance Model with User Entered Specifications","module_model=2", "INTEGER,MIN=0,MAX=1", "" },
{ SSC_INPUT, SSC_NUMBER, "6par_is_bifacial", "Modules are bifacial", "0/1", "", "CEC Performance Model with User Entered Specifications","module_model=2", "", "" },
{ SSC_INPUT, SSC_NUMBER, "6par_bifacial_transmission_factor", "Bifacial transmission factor", "0-1", "", "CEC Performance Model with User Entered Specifications","module_model=2", "", "" },
{ SSC_INPUT, SSC_NUMBER, "6par_bifaciality", "Bifaciality factor", "%", "", "CEC Performance Model with User Entered Specifications","module_model=2", "", "" },
{ SSC_INPUT, SSC_NUMBER, "6par_bifacial_ground_clearance_height","Module ground clearance height", "m", "", "CEC Performance Model with User Entered Specifications","module_model=2", "", "" },
{ SSC_INPUT, SSC_NUMBER, "6par_transient_thermal_model_unit_mass","Module unit mass", "kg/m^2", "", "CEC Performance Model with User Entered Specifications","module_model=2", "", "" },
// snl module model
{ SSC_INPUT, SSC_NUMBER, "snl_module_structure", "Module and mounting structure configuration", "", "0=Use Database Values,1=glass/cell/polymer sheet-open rack,2=glass/cell/glass-open rack,3=polymer/thin film/steel-open rack,4=Insulated back BIPV,5=close roof mount,6=user-defined", "Sandia PV Array Performance Model with Module Database","module_model=3", "INTEGER,MIN=0,MAX=6", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_a", "Temperature coefficient a", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_b", "Temperature coefficient b", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_dtc", "Temperature coefficient dT", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_ref_a", "User-specified a", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_ref_b", "User-specified b", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_ref_dT", "User-specified dT", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_fd", "Diffuse fraction", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_a0", "Air mass polynomial coeff 0", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_a1", "Air mass polynomial coeff 1", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_a2", "Air mass polynomial coeff 2", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_a3", "Air mass polynomial coeff 3", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_a4", "Air mass polynomial coeff 4", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_aimp", "Max power point current temperature coefficient", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_aisc", "Short circuit current temperature coefficient", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_area", "Module area", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_b0", "Incidence angle modifier polynomial coeff 0", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_b1", "Incidence angle modifier polynomial coeff 1", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_b2", "Incidence angle modifier polynomial coeff 2", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_b3", "Incidence angle modifier polynomial coeff 3", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_b4", "Incidence angle modifier polynomial coeff 4", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_b5", "Incidence angle modifier polynomial coeff 5", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_bvmpo", "Max power point voltage temperature coefficient", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_bvoco", "Open circuit voltage temperature coefficient", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_c0", "C0", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_c1", "C1", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_c2", "C2", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_c3", "C3", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_c4", "C4", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_c5", "C5", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_c6", "C6", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_c7", "C7", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_impo", "Max power point current", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_isco", "Short circuit current", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_ixo", "Ix midpoint current", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_ixxo", "Ixx midpoint current", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_mbvmp", "Irradiance dependence of Vmp temperature coefficient","", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_mbvoc", "Irradiance dependence of Voc temperature coefficient","", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_n", "Diode factor", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_series_cells", "Number of cells in series", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "INTEGER", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_vmpo", "Max power point voltage", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_voco", "Open circuit voltage", "", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "snl_transient_thermal_model_unit_mass", "Module unit mass", "kg/m^2", "", "Sandia PV Array Performance Model with Module Database","module_model=3", "", "" },
// 11 parameter model
{ SSC_INPUT, SSC_NUMBER, "sd11par_nser", "Nseries", "", "", "IEC61853 Single Diode Model", "module_model=4", "INTEGER,POSITIVE", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_area", "Module area", "m2", "", "IEC61853 Single Diode Model", "module_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_AMa0", "Air mass modifier coeff 0", "", "", "IEC61853 Single Diode Model", "module_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_AMa1", "Air mass modifier coeff 1", "", "", "IEC61853 Single Diode Model", "module_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_AMa2", "Air mass modifier coeff 2", "", "", "IEC61853 Single Diode Model", "module_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_AMa3", "Air mass modifier coeff 3", "", "", "IEC61853 Single Diode Model", "module_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_AMa4", "Air mass modifier coeff 4", "", "", "IEC61853 Single Diode Model", "module_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_glass", "Module cover glass type", "", "0=normal,1=AR glass", "IEC61853 Single Diode Model", "module_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_tnoct", "Nominal operating cell temperature", "C", "", "IEC61853 Single Diode Model", "module_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_standoff", "Standoff mode", "", "0=bipv,1=>3.5in,2=2.5-3.5in,3=1.5-2.5in,4=0.5-1.5in,5=<0.5in,6=ground/rack", "IEC61853 Single Diode Model", "module_model=4", "INTEGER,MIN=0,MAX=6", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_mounting", "Array mounting height", "", "0=one story,1=two story", "IEC61853 Single Diode Model", "module_model=4", "INTEGER,MIN=0,MAX=1", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_Vmp0", "Vmp (STC)", "V", "", "IEC61853 Single Diode Model", "module_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_Imp0", "Imp (STC)", "A", "", "IEC61853 Single Diode Model", "module_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_Voc0", "Voc (STC)", "V", "", "IEC61853 Single Diode Model", "module_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_Isc0", "Isc (STC)", "A", "", "IEC61853 Single Diode Model", "module_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_alphaIsc", "Short curcuit current temperature coefficient", "A/C", "", "IEC61853 Single Diode Model", "module_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_n", "Diode nonideality factor", "", "", "IEC61853 Single Diode Model", "module_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_Il", "Light current", "A", "", "IEC61853 Single Diode Model", "module_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_Io", "Saturation current", "A", "", "IEC61853 Single Diode Model", "module_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_Egref", "Bandgap voltage", "eV", "", "IEC61853 Single Diode Model", "module_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_d1", "Rs fit parameter 1", "", "", "IEC61853 Single Diode Model", "module_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_d2", "Rs fit parameter 2", "", "", "IEC61853 Single Diode Model", "module_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_d3", "Rs fit parameter 3", "", "", "IEC61853 Single Diode Model", "module_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_c1", "Rsh fit parameter 1", "", "", "IEC61853 Single Diode Model", "module_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_c2", "Rsh fit parameter 2", "", "", "IEC61853 Single Diode Model", "module_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "sd11par_c3", "Rsh fit parameter 3", "", "", "IEC61853 Single Diode Model", "module_model=4", "", "" },
// mlm model
{ SSC_INPUT, SSC_NUMBER, "mlm_N_series", "Number of cells in series", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_N_parallel", "Number of cells in parallel", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_N_diodes", "Number of diodes", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_Width", "Module width (short side)", "m", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_Length", "Module length (long side)", "m", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_V_mp_ref", "V_mp at STC", "V", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_I_mp_ref", "I_mp at STC", "A", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_V_oc_ref", "V_oc at STC", "V", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_I_sc_ref", "I_sc at STC", "A", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_S_ref", "Reference irradiance (Typically 1000W/m²)", "W/m²", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_T_ref", "Reference temperature (Typically 25°C)", "°C", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_R_shref", "Reference shunt resistance", "V/A", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_R_sh0", "Rsh,0", "V/A", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_R_shexp", "Rsh exponential coefficient", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_R_s", "Series resistance", "V/A", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_alpha_isc", "Temperature coefficient for I_sc", "A/K", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_beta_voc_spec", "Temperature coefficient for V_oc", "V/K", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_E_g", "Reference bandgap energy", "eV", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_n_0", "Gamma", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_mu_n", "Temperature coefficient of gamma", "1/K", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_D2MuTau", "Coefficient for recombination losses", "V", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_T_mode", "Cell temperature model mode", "-", "1: NOCT", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_T_c_no_tnoct", "NOCT cell temperature", "°C", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_T_c_no_mounting", "NOCT Array mounting height", "-", "0=one story,1=two story", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_T_c_no_standoff", "NOCT standoff mode", "-", "0=bipv,1=>3.5in,2=2.5-3.5in,3=1.5-2.5in,4=0.5-1.5in,5=<0.5in,6=ground/rack", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_T_c_fa_alpha", "Extended Faiman model absorptivity", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_T_c_fa_U0", "Extended Faiman model U_0", "W/m²K", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_T_c_fa_U1", "Extended Faiman model U_1", "W/m³sK","", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_AM_mode", "Air-mass modifier mode", "-", "1: Do not consider AM effects, 2: Use Sandia polynomial [corr=f(AM)], 3: Use standard coefficients from DeSoto model [corr=f(AM)], 4: Use First Solar polynomial [corr=f(AM, p_wat)]", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_AM_c_sa0", "Coefficient 0 for Sandia Air Mass Modifier", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_AM_c_sa1", "Coefficient 1 for Sandia Air Mass Modifier", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_AM_c_sa2", "Coefficient 2 for Sandia Air Mass Modifier", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_AM_c_sa3", "Coefficient 3 for Sandia Air Mass Modifier", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_AM_c_sa4", "Coefficient 4 for Sandia Air Mass Modifier", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_AM_c_lp0", "Coefficient 0 for Lee/Panchula Air Mass Modifier", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_AM_c_lp1", "Coefficient 1 for Lee/Panchula Air Mass Modifier", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_AM_c_lp2", "Coefficient 2 for Lee/Panchula Air Mass Modifier", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_AM_c_lp3", "Coefficient 3 for Lee/Panchula Air Mass Modifier", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_AM_c_lp4", "Coefficient 4 for Lee/Panchula Air Mass Modifier", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_AM_c_lp5", "Coefficient 5 for Lee/Panchula Air Mass Modifier", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_IAM_mode", "Incidence Angle Modifier mode", "-", "1: Use ASHRAE formula, 2: Use Sandia polynomial, 3: Use cubic spline with user-supplied data", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_IAM_c_as", "ASHRAE incidence modifier coefficient b_0", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_IAM_c_sa0", "Sandia IAM coefficient 0", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_IAM_c_sa1", "Sandia IAM coefficient 1", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_IAM_c_sa2", "Sandia IAM coefficient 2", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_IAM_c_sa3", "Sandia IAM coefficient 3", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_IAM_c_sa4", "Sandia IAM coefficient 4", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_IAM_c_sa5", "Sandia IAM coefficient 5", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_ARRAY, "mlm_IAM_c_cs_incAngle", "Spline IAM - Incidence angles", "deg", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_ARRAY, "mlm_IAM_c_cs_iamValue", "Spline IAM - IAM values", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_groundRelfectionFraction", "Ground reflection fraction", "-", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_is_bifacial", "Modules are bifacial", "0/1", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_bifacial_transmission_factor", "Bifacial transmission factor", "0-1", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_bifaciality", "Bifaciality factor", "%", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mlm_bifacial_ground_clearance_height", "Module ground clearance height", "m", "", "Mermoud Lejeune Single Diode Model", "module_model=5", "", "" },
// inverter model
{ SSC_INPUT, SSC_NUMBER, "inverter_model", "Inverter model specifier", "", "0=cec,1=datasheet,2=partload,3=coefficientgenerator,4=PVYield", "Inverter", "*", "INTEGER,MIN=0,MAX=4", "" },
{ SSC_INPUT, SSC_NUMBER, "mppt_low_inverter", "Minimum inverter MPPT voltage window", "Vdc", "", "Inverter", "?=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "mppt_hi_inverter", "Maximum inverter MPPT voltage window", "Vdc", "", "Inverter", "?=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_num_mppt", "Number of MPPT inputs", "", "", "Inverter", "?=1", "INTEGER,MIN=0,MAX=4", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_snl_c0", "Curvature between AC power and DC power at ref", "1/W", "", "Inverter CEC Database", "inverter_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_snl_c1", "Coefficient of Pdco variation with DC input voltage", "1/V", "", "Inverter CEC Database", "inverter_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_snl_c2", "Coefficient of Pso variation with DC input voltage", "1/V", "", "Inverter CEC Database", "inverter_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_snl_c3", "Coefficient of Co variation with DC input voltage", "1/V", "", "Inverter CEC Database", "inverter_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_snl_paco", "AC maximum power rating", "Wac", "", "Inverter CEC Database", "inverter_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_snl_pdco", "DC input power at which AC power rating is achieved", "Wdc", "", "Inverter CEC Database", "inverter_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_snl_pnt", "AC power consumed by inverter at night", "Wac", "", "Inverter CEC Database", "inverter_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_snl_pso", "DC power required to enable the inversion process", "Wdc", "", "Inverter CEC Database", "inverter_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_snl_vdco", "DC input voltage for the rated AC power rating", "Vdc", "", "Inverter CEC Database", "inverter_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_snl_vdcmax", "Maximum DC input operating voltage", "Vdc", "", "Inverter CEC Database", "inverter_model=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_cec_cg_c0", "Curvature between AC power and DC power at ref", "1/W", "", "Inverter CEC Coefficient Generator", "inverter_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_cec_cg_c1", "Coefficient of Pdco variation with DC input voltage", "1/V", "", "Inverter CEC Coefficient Generator", "inverter_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_cec_cg_c2", "Coefficient of Pso variation with DC input voltage", "1/V", "", "Inverter CEC Coefficient Generator", "inverter_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_cec_cg_c3", "Coefficient of Co variation with DC input voltage", "1/V", "", "Inverter CEC Coefficient Generator", "inverter_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_cec_cg_paco", "AC maximum power rating", "Wac", "", "Inverter CEC Coefficient Generator", "inverter_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_cec_cg_pdco", "DC input power at which AC power rating is achieved", "Wdc", "", "Inverter CEC Coefficient Generator", "inverter_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_cec_cg_pnt", "AC power consumed by inverter at night", "Wac", "", "Inverter CEC Coefficient Generator", "inverter_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_cec_cg_psco", "DC power required to enable the inversion process", "Wdc", "", "Inverter CEC Coefficient Generator", "inverter_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_cec_cg_vdco", "DC input voltage for the rated AC power rating", "Vdc", "", "Inverter CEC Coefficient Generator", "inverter_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_cec_cg_vdcmax", "Maximum DC input operating voltage", "Vdc", "", "Inverter CEC Coefficient Generator", "inverter_model=3", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_ds_paco", "AC maximum power rating", "Wac", "", "Inverter Datasheet", "inverter_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_ds_eff", "Weighted or Peak or Nominal Efficiency", "Wdc", "", "Inverter Datasheet", "inverter_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_ds_pnt", "AC power consumed by inverter at night", "Wac", "", "Inverter Datasheet", "inverter_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_ds_pso", "DC power required to enable the inversion process", "Wdc", "", "Inverter Datasheet", "inverter_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_ds_vdco", "DC input voltage for the rated AC power rating", "Vdc", "", "Inverter Datasheet", "inverter_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_ds_vdcmax", "Maximum DC input operating voltage", "Vdc", "", "Inverter Datasheet", "inverter_model=1", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_pd_paco", "AC maximum power rating", "Wac", "", "Inverter Part Load Curve", "inverter_model=2", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_pd_pdco", "DC input power at which AC power rating is achieved", "Wdc", "", "Inverter Part Load Curve", "inverter_model=2", "", "" },
{ SSC_INPUT, SSC_ARRAY, "inv_pd_partload", "Partload curve partload values", "%", "", "Inverter Part Load Curve", "inverter_model=2", "", "" },
{ SSC_INPUT, SSC_ARRAY, "inv_pd_efficiency", "Partload curve efficiency values", "%", "", "Inverter Part Load Curve", "inverter_model=2", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_pd_pnt", "AC power consumed by inverter at night", "Wac", "", "Inverter Part Load Curve", "inverter_model=2", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_pd_vdco", "DC input voltage for the rated AC power rating", "Vdc", "", "Inverter Part Load Curve", "inverter_model=2", "", "" },
{ SSC_INPUT, SSC_NUMBER, "inv_pd_vdcmax", "Maximum DC input operating voltage", "Vdc", "", "Inverter Part Load Curve", "inverter_model=2", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_PNomConv", "", "W", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_PMaxOUT", "", "W", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_VOutConv", "", "W", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_VMppMin", "", "V", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_VMPPMax", "", "V", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_VAbsMax", "", "V", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_PSeuil", "", "W", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_STRING, "ond_ModeOper", "", "-", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_STRING, "ond_CompPMax", "", "-", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_STRING, "ond_CompVMax", "", "-", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_STRING, "ond_ModeAffEnum", "", "-", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_PNomDC", "", "W", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_PMaxDC", "", "W", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_IMaxDC", "", "A", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_INomDC", "", "A", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_INomAC", "", "A", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_IMaxAC", "", "A", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_TPNom", "", "°C", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_TPMax", "", "°C", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_TPLim1", "", "°C", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_TPLimAbs", "", "°C", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_PLim1", "", "W", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_PLimAbs", "", "W", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_ARRAY, "ond_VNomEff", "", "V", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_NbInputs", "", "-", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_NbMPPT", "", "-", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_Aux_Loss", "", "W", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_Night_Loss", "", "W", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_lossRDc", "", "V/A", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_lossRAc", "", "A", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_effCurve_elements", "", "-", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_MATRIX, "ond_effCurve_Pdc", "", "W", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_MATRIX, "ond_effCurve_Pac", "", "W", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_MATRIX, "ond_effCurve_eta", "", "-", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_Aux_Loss", "", "W", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_Aux_Loss", "", "W", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_doAllowOverpower", "", "-", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_NUMBER, "ond_doUseTemperatureLimit", "", "-", "", "Inverter Mermoud Lejeune Model", "inverter_model=4", "", "" },
{ SSC_INPUT, SSC_MATRIX, "inv_tdc_cec_db", "Temperature derate curves for CEC Database", "(Vdc, C, %/C)", "", "Inverter CEC Database", "inverter_model=0", "", "" },
{ SSC_INPUT, SSC_MATRIX, "inv_tdc_cec_cg", "Temperature derate curves for CEC Coef Gen", "(Vdc, C, %/C)", "", "Inverter CEC Coefficient Generator", "inverter_model=3", "", "" },
{ SSC_INPUT, SSC_MATRIX, "inv_tdc_ds", "Temperature derate curves for Inv Datasheet", "(Vdc, C, %/C)", "", "Inverter Datasheet", "inverter_model=1", "", "" },
{ SSC_INPUT, SSC_MATRIX, "inv_tdc_plc", "Temperature derate curves for Part Load Curve", "(Vdc, C, %/C)", "", "Inverter Part Load Curve", "inverter_model=2", "", "" },
// battery storage and dispatch
{ SSC_INPUT, SSC_NUMBER, "en_batt", "Enable battery storage model", "0/1", "", "BatterySystem", "?=0", "", "" },
{ SSC_INPUT, SSC_NUMBER, "en_standalone_batt", "Enable standalone battery storage model", "0/1", "", "BatterySystem", "?=0", "", "" },
{ SSC_INPUT, SSC_ARRAY, "load", "Electricity load (year 1)", "kW", "", "Load", "?", "", "" },
{ SSC_INPUT, SSC_ARRAY, "crit_load", "Critical Electricity load (year 1)", "kW", "", "Load", "", "", "" },
{ SSC_INPUT, SSC_ARRAY, "grid_outage", "Grid outage in this time step", "0/1", "0=GridAvailable,1=GridUnavailable,Length=load", "Load", "", "", "" },
{ SSC_INPUT, SSC_NUMBER, "run_resiliency_calcs", "Enable resilence calculations for every timestep", "0/1", "0=DisableCalcs,1=EnableCalcs", "Load", "?=0", "", "" },
{ SSC_INPUT, SSC_ARRAY, "load_escalation", "Annual load escalation", "%/year", "", "Load", "?=0", "", "" },
{ SSC_INPUT, SSC_ARRAY, "crit_load_escalation", "Annual critical load escalation", "%/year", "", "Load", "?=0", "", "" },
// NOTE: other battery storage model inputs and outputs are defined in batt_common.h/batt_common.cpp
// outputs
/* environmental conditions */
// irradiance data from weather file
{ SSC_OUTPUT, SSC_ARRAY, "gh", "Irradiance GHI from weather file", "W/m2", "", "Time Series", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "dn", "Irradiance DNI from weather file", "W/m2", "", "Time Series", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "df", "Irradiance DHI from weather file", "W/m2", "", "Time Series", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "wfpoa", "Irradiance POA from weather file", "W/m2", "", "Time Series", "", "", "" },
//not all of these three calculated values will be reported, based on irrad_mode selection
{ SSC_OUTPUT, SSC_ARRAY, "gh_calc", "Irradiance GHI calculated", "W/m2", "", "Time Series", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "dn_calc", "Irradiance DNI calculated", "W/m2", "", "Time Series", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "df_calc", "Irradiance DHI calculated", "W/m2", "", "Time Series", "", "", "" },
// non-irradiance data from weather file, note that albedo may be from weather file or monthly array
{ SSC_OUTPUT, SSC_ARRAY, "wspd", "Weather file wind speed", "m/s", "", "Time Series", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "tdry", "Weather file ambient temperature", "C", "", "Time Series", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "alb", "Albedo", "", "", "Time Series", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "snowdepth", "Weather file snow depth", "cm", "", "Time Series", "", "", "" },
// calculated sun position data
{ SSC_OUTPUT, SSC_ARRAY, "sol_zen", "Sun zenith angle", "deg", "", "Time Series", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "sol_alt", "Sun altitude angle", "deg", "", "Time Series", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "sol_azi", "Sun azimuth angle", "deg", "", "Time Series", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "sunup", "Sun up over horizon", "0/1/2/3", "", "Time Series", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "sunpos_hour", "Sun position time", "hour", "", "Time Series", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "airmass", "Absolute air mass", "", "", "Time Series", "*", "", "" },
/* sub-array level outputs */
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_surf_tilt", "Subarray 1 Surface tilt", "deg", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_surf_azi", "Subarray 1 Surface azimuth", "deg", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_aoi", "Subarray 1 Angle of incidence", "deg", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_aoi_modifier", "Subarray 1 Angle of incidence Modifier", "0-1", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_axisrot", "Subarray 1 Axis rotation for 1 axis trackers", "deg", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_idealrot", "Subarray 1 Axis rotation ideal for 1 axis trackers", "deg", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_poa_eff_beam", "Subarray 1 POA front beam irradiance after shading and soiling", "W/m2", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_poa_eff_diff", "Subarray 1 POA front diffuse irradiance after shading and soiling", "W/m2", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_poa_nom", "Subarray 1 POA front total irradiance nominal", "W/m2", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_poa_shaded", "Subarray 1 POA front total irradiance after shading only", "W/m2", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_poa_shaded_soiled", "Subarray 1 POA front total irradiance after shading and soiling", "W/m2", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_poa_front", "Subarray 1 POA front total irradiance after reflection (IAM)", "W/m2", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_poa_rear", "Subarray 1 POA rear total irradiance after reflection (IAM)", "W/m2", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_poa_eff", "Subarray 1 POA total irradiance after reflection (IAM)", "W/m2", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_soiling_derate", "Subarray 1 Soiling beam irradiance factor", "frac", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_beam_shading_factor", "Subarray 1 External shading and soiling beam irradiance factor", "frac", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_linear_derate", "Subarray 1 Self-shading linear beam irradiance factor", "frac", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_ss_diffuse_derate", "Subarray 1 Self-shading non-linear sky diffuse irradiance factor", "frac", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_ss_reflected_derate", "Subarray 1 Self-shading non-linear ground diffuse irradiance factor", "frac", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_ss_derate", "Subarray 1 Self-shading non-linear DC factor", "frac", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray1_shade_frac", "Subarray 1 Partial external shading DC factor", "frac", "", "Time Series (Subarray 1)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_snow_coverage", "Subarray 1 Snow cover", "0..1", "", "Time Series (Subarray 1)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_snow_loss", "Subarray 1 Snow cover DC power loss", "kW", "", "Time Series (Subarray 1)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_modeff", "Subarray 1 Module efficiency", "%", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_celltemp", "Subarray 1 Cell temperature", "C", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_celltempSS", "Subarray 1 Cell temperature (steady state)", "C", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_dc_voltage", "Subarray 1 Operating DC voltage", "V", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_dc_gross", "Subarray 1 DC power gross", "kW", "", "Time Series (Subarray 1)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_voc", "Subarray 1 Open circuit DC voltage", "V", "", "Time Series (Subarray 1)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray1_isc", "Subarray 1 String short circuit DC current", "A", "", "Time Series (Subarray 1)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_surf_tilt", "Subarray 2 Surface tilt", "deg", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_surf_azi", "Subarray 2 Surface azimuth", "deg", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_aoi", "Subarray 2 Angle of incidence", "deg", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_aoi_modifier", "Subarray 2 Angle of incidence Modifier", "0-1", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_axisrot", "Subarray 2 Axis rotation for 1 axis trackers", "deg", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_idealrot", "Subarray 2 Axis rotation ideal for 1 axis trackers", "deg", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_poa_eff_beam", "Subarray 2 POA front beam irradiance after shading and soiling", "W/m2", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_poa_eff_diff", "Subarray 2 POA front diffuse irradiance after shading and soiling", "W/m2", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_poa_nom", "Subarray 2 POA front total irradiance nominal", "W/m2", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_poa_shaded", "Subarray 2 POA front total irradiance after shading only", "W/m2", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_poa_shaded_soiled", "Subarray 2 POA front total irradiance after shading and soiling", "W/m2", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_poa_front", "Subarray 2 POA front total irradiance after reflection (IAM)", "W/m2", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_poa_rear", "Subarray 2 POA rear irradiance after reflection (IAM)", "W/m2", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_poa_eff", "Subarray 2 POA total irradiance after module reflection (IAM)", "W/m2", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_soiling_derate", "Subarray 2 Soiling beam irradiance factor", "frac", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_beam_shading_factor", "Subarray 2 External shading and soiling beam irradiance factor", "frac", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_linear_derate", "Subarray 2 Self-shading linear beam irradiance factor", "frac", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_ss_diffuse_derate", "Subarray 2 Self-shading non-linear sky diffuse irradiance factor", "frac", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_ss_reflected_derate", "Subarray 2 Self-shading non-linear ground diffuse irradiance factor", "frac", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_ss_derate", "Subarray 2 Self-shading non-linear DC factor", "frac", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray2_shade_frac", "Subarray 2 Partial shading DC factor", "frac", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_snow_coverage", "Subarray 2 Snow cover", "0..1", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_snow_loss", "Subarray 2 Snow cover DC power loss", "kW", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_modeff", "Subarray 2 Module efficiency", "%", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_celltemp", "Subarray 2 Cell temperature", "C", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_celltempSS", "Subarray 2 Cell temperature (steady state)", "C", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_dc_voltage", "Subarray 2 Operating DC voltage", "V", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_dc_gross", "Subarray 2 DC power gross", "kW", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_voc", "Subarray 2 Open circuit DC voltage", "V", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray2_isc", "Subarray 2 String short circuit DC current", "A", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_surf_tilt", "Subarray 3 Surface tilt", "deg", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_surf_azi", "Subarray 3 Surface azimuth", "deg", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_aoi", "Subarray 3 Angle of incidence", "deg", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_aoi_modifier", "Subarray 3 Angle of incidence Modifier", "0-1", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_axisrot", "Subarray 3 Axis rotation for 1 axis trackers", "deg", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_idealrot", "Subarray 3 Axis rotation ideal for 1 axis trackers", "deg", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_poa_eff_beam", "Subarray 3 POA front beam irradiance after shading and soiling", "W/m2", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_poa_eff_diff", "Subarray 3 POA front diffuse irradiance after shading and soiling", "W/m2", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_poa_nom", "Subarray 3 POA font total irradiance nominal", "W/m2", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_poa_shaded", "Subarray 3 POA front total irradiance after shading only", "W/m2", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_poa_shaded_soiled", "Subarray 3 POA front total irradiance after shading and soiling", "W/m2", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_poa_front", "Subarray 3 POA front total irradiance after reflection (IAM)", "W/m2", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_poa_rear", "Subarray 3 POA rear irradiance after reflection (IAM)", "W/m2", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_poa_eff", "Subarray 3 POA total irradiance after reflection (IAM)", "W/m2", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_soiling_derate", "Subarray 3 Soiling beam irradiance factor", "frac", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_beam_shading_factor", "Subarray 3 External shading and soiling beam irradiance factor", "frac", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_linear_derate", "Subarray 3 Self-shading linear beam irradiance factor", "frac", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_ss_diffuse_derate", "Subarray 3 Self-shading non-linear sky diffuse irradiance factor", "frac", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_ss_reflected_derate", "Subarray 3 Self-shading non-linear ground diffuse irradiance factor", "frac", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_ss_derate", "Subarray 3 Self-shading non-linear DC factor", "frac", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray3_shade_frac", "Subarray 3 Partial external shading DC factor", "frac", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_snow_coverage", "Subarray 3 Snow cover", "0..1", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_snow_loss", "Subarray 3 Snow cover DC power loss", "kW", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_modeff", "Subarray 3 Module efficiency", "%", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_celltemp", "Subarray 3 Cell temperature", "C", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_celltempSS", "Subarray 3 Cell temperature (steady state)", "C", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_dc_voltage", "Subarray 3 Operating DC voltage", "V", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_dc_gross", "Subarray 3 DC power gross", "kW", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_voc", "Subarray 3 Open circuit DC voltage", "V", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray3_isc", "Subarray 3 String short circuit DC current", "A", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_surf_tilt", "Subarray 4 Surface tilt", "deg", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_surf_azi", "Subarray 4 Surface azimuth", "deg", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_aoi", "Subarray 4 Angle of incidence", "deg", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_aoi_modifier", "Subarray 4 Angle of incidence Modifier", "0-1", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_axisrot", "Subarray 4 Axis rotation for 1 axis trackers", "deg", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_idealrot", "Subarray 4 Axis rotation ideal for 1 axis trackers", "deg", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_poa_eff_beam", "Subarray 4 POA front beam irradiance after shading and soiling", "W/m2", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_poa_eff_diff", "Subarray 4 POA front diffuse irradiance after shading and soiling", "W/m2", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_poa_nom", "Subarray 4 POA front total irradiance nominal", "W/m2", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_poa_shaded", "Subarray 4 POA front total irradiance after shading only", "W/m2", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_poa_shaded_soiled", "Subarray 4 POA front total irradiance after shading and soiling", "W/m2", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_poa_front", "Subarray 4 POA front total irradiance after reflection (IAM)", "W/m2", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_poa_rear", "Subarray 4 POA rear irradiance after reflection (IAM)", "W/m2", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_poa_eff", "Subarray 4 POA total irradiance after reflection (IAM)", "W/m2", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_soiling_derate", "Subarray 4 Soiling beam irradiance factor", "frac", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_beam_shading_factor", "Subarray 4 External shading and soiling beam irradiance factor", "frac", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_linear_derate", "Subarray 4 Self-shading linear beam irradiance factor", "frac", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_ss_diffuse_derate", "Subarray 4 Self-shading non-linear sky diffuse irradiance factor", "frac", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_ss_reflected_derate", "Subarray 4 Self-shading non-linear ground diffuse irradiance factor", "frac", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_ss_derate", "Subarray 4 Self-shading non-linear DC factor", "frac", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray4_shade_frac", "Subarray 4 Partial external shading DC factor", "frac", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_snow_coverage", "Subarray 4 Snow cover", "0..1", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_snow_loss", "Subarray 4 Snow cover DC power loss", "kW", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_modeff", "Subarray 4 Module efficiency", "%", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_celltemp", "Subarray 4 Cell temperature", "C", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_celltempSS", "Subarray 4 Cell temperature (steady state)", "C", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_dc_voltage", "Subarray 4 Operating DC voltage", "V", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_dc_gross", "Subarray 4 DC power gross", "kW", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_voc", "Subarray 4 Open circuit DC voltage", "V", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "subarray4_isc", "Subarray 4 String short circuit DC current", "A", "", "Time Series (Subarray 4)", "", "", "" },
/* aggregate array level outputs */
{ SSC_OUTPUT, SSC_ARRAY, "poa_nom", "Array POA front-side total radiation nominal", "kW", "", "Time Series (Array)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "poa_beam_nom", "Array POA front-side beam radiation nominal", "kW", "", "Time Series (Array)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "poa_beam_eff", "Array POA beam radiation after shading and soiling", "kW", "", "Time Series (Array)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "poa_shaded", "Array POA front-side total radiation after shading only", "kW", "", "Time Series (Array)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "poa_shaded_soiled", "Array POA front-side total radiation after shading and soiling", "kW", "", "Time Series (Array)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "poa_front", "Array POA front-side total radiation after reflection (IAM)", "kW", "", "Time Series (Array)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "poa_rear", "Array POA rear-side total radiation after reflection (IAM)", "kW", "", "Time Series (Array)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "poa_eff", "Array POA radiation total after reflection (IAM)", "kW", "", "Time Series (Array)", "*", "", "" },
//SEV: total dc snow loss time series (not a required output)
{ SSC_OUTPUT, SSC_ARRAY, "dc_snow_loss", "DC power loss due to snow", "kW", "", "Time Series (Array)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "dc_net", "Inverter DC input power", "kW", "", "Time Series (Array)", "*", "", "" },
// DC Daily losses
{ SSC_OUTPUT, SSC_ARRAY, "dc_lifetime_loss", "DC lifetime daily loss", "kW", "", "Time Series (DC Loss)", "", "", "" },
//mppt outputs
{ SSC_OUTPUT, SSC_ARRAY, "inverterMPPT1_DCVoltage", "Inverter MPPT 1 Nominal DC voltage", "V", "", "Time Series (MPPT)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "inverterMPPT2_DCVoltage", "Inverter MPPT 2 Nominal DC voltage", "V", "", "Time Series (MPPT)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "inverterMPPT3_DCVoltage", "Inverter MPPT 3 Nominal DC voltage", "V", "", "Time Series (MPPT)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "inverterMPPT4_DCVoltage", "Inverter MPPT 4 Nominal DC voltage", "V", "", "Time Series (MPPT)", "", "", "" },
//inverter outputs
{ SSC_OUTPUT, SSC_ARRAY, "inv_eff", "Inverter efficiency", "%", "", "Time Series (Inverter)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "dc_invmppt_loss", "Inverter clipping loss DC MPPT voltage limits", "kW", "", "Time Series (Inverter)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "inv_cliploss", "Inverter clipping loss AC power limit", "kW", "", "Time Series (Inverter)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "inv_psoloss", "Inverter power consumption loss", "kW", "", "Time Series (Inverter)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "inv_pntloss", "Inverter night time loss", "kW", "", "Time Series (Inverter)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "inv_tdcloss", "Inverter thermal derate DC power loss", "kW", "", "Time Series (Inverter)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "inv_total_loss", "Inverter total power loss", "kW", "", "Time Series (Inverter)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "ac_wiring_loss", "AC wiring loss", "kW", "", "Time Series (Inverter)", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "ac_gross", "Inverter AC output power", "kW", "", "Time Series (Array)", "*", "", "" },
// transformer model outputs
{ SSC_OUTPUT, SSC_ARRAY, "xfmr_nll_ts", "Transformer no load loss", "kW", "", "Time Series (Transformer)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "xfmr_ll_ts", "Transformer load loss", "kW", "", "Time Series (Transformer)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "xfmr_loss_ts", "Transformer total loss", "kW", "", "Time Series (Transformer)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "ac_transmission_loss", "Transmission loss", "kW", "", "Time Series (Transmission)", "", "", "" },
// Post batt AC losses - record so the powerflows from PV and batt to grid add up properly
{ SSC_OUTPUT, SSC_ARRAY, "ac_perf_adj_loss", "AC performance adjustment loss", "kW", "", "Time Series (AC Loss)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "ac_lifetime_loss", "AC lifetime daily loss", "kW", "", "Time Series (AC Loss)", "", "", "" },
// monthly and annual outputs
{ SSC_OUTPUT, SSC_NUMBER, "annual_energy", "Annual AC energy", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_invmppt_loss", "Inverter clipping loss DC MPPT voltage limits", "kWh/yr", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_inv_cliploss", "Inverter clipping loss AC power limit", "kWh/yr", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_inv_psoloss", "Inverter power consumption loss", "kWh/yr", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_inv_pntloss", "Inverter night time loss", "kWh/yr", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_inv_tdcloss", "Inverter thermal derate DC power loss", "kWh/yr", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "subarray1_dcloss", "Subarray 1 Total DC power loss", "%", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "subarray2_dcloss", "Subarray 2 Total DC power loss", "%", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "subarray3_dcloss", "Subarray 3 Total DC power loss", "%", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "subarray4_dcloss", "Subarray 4 Total DC power loss", "%", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "xfmr_nll_year1", "Transformer no load loss", "kWh/yr", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "xfmr_ll_year1", "Transformer load loss", "kWh/yr", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "xfmr_loss_year1", "Transformer total loss", "kWh/yr", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "monthly_poa_nom", "POA front-side irradiance total nominal", "kWh/mo", "", "Monthly", "", "LENGTH=12", "" },
{ SSC_OUTPUT, SSC_ARRAY, "monthly_poa_beam_nom", "POA front-side irradiance beam nominal", "kWh/mo", "", "Monthly", "", "LENGTH=12", "" },
{ SSC_OUTPUT, SSC_ARRAY, "monthly_poa_front", "POA front-side irradiance total", "kWh/mo", "", "Monthly", "", "LENGTH=12", "" },
{ SSC_OUTPUT, SSC_ARRAY, "monthly_poa_rear", "POA rear-side irradiance total", "kWh/mo", "", "Monthly", "", "LENGTH=12", "" },
{ SSC_OUTPUT, SSC_ARRAY, "monthly_poa_eff", "POA irradiance total after shading and soiling", "kWh/mo", "", "Monthly", "", "LENGTH=12", "" },
{ SSC_OUTPUT, SSC_ARRAY, "monthly_poa_beam_eff", "POA front-side irradiance beam after shading and soiling", "kWh/mo", "", "Monthly", "", "LENGTH=12", "" },
{ SSC_OUTPUT, SSC_ARRAY, "monthly_dc", "DC energy", "kWh/mo", "", "Monthly", "", "LENGTH=12", "" },
{ SSC_OUTPUT, SSC_ARRAY, "monthly_energy", "AC energy", "kWh/mo", "", "Monthly", "", "LENGTH=12", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_gh", "Annual GHI", "Wh/m2/yr", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_poa_nom", "POA front-side irradiance total nominal", "kWh/yr", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_poa_beam_nom", "POA front-side irradiance beam nominal", "kWh/yr", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_poa_shaded", "POA front-side irradiance total after shading", "kWh/yr", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_poa_shaded_soiled", "POA front-side irradiance total after shading and soiling", "kWh/yr", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_poa_front", "POA front-side irradiance total after reflection (IAM)", "kWh/yr", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_poa_rear", "POA rear-side irradiance total after reflection (IAM)", "kWh/yr", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_poa_eff", "POA irradiance total after reflection (IAM)", "kWh/yr", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_poa_beam_eff", "POA front-side irradiance beam after shading and soiling", "kWh/yr", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_nominal", "Annual DC energy nominal", "kWh/yr", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_gross", "Annual DC energy gross", "kWh/yr", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_net", "Annual DC energy", "kWh/yr", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_ac_gross", "Annual AC energy gross", "kWh/yr", "", "Annual (Year 1)", "", "", "" },
// OND inverter model AC and DC loss reporting
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_loss_ond", "Annual DC loss OND model", "kWh/yr", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_ac_loss_ond", "Annual AC loss OND model", "kWh/yr", "", "Annual (Year 1)", "", "", "" },
//SEV: total dc snow loss monthy array and annual value (not a required output)
{ SSC_OUTPUT, SSC_ARRAY, "monthly_snow_loss", "Snow DC energy loss", "kWh/mo", "", "Monthly", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_snow_loss", "Snow DC energy loss", "kWh/yr", "", "Annual (Year 1)", "", "", "" },
// loss diagram - order applied
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray1_dc_gross", "Subarray 1 Gross DC energy", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray1_dc_mismatch_loss", "Subarray 1 DC mismatch loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray1_dc_diodes_loss", "Subarray 1 DC diodes and connections loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray1_dc_wiring_loss", "Subarray 1 DC wiring loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray1_dc_tracking_loss", "Subarray 1 DC tracking loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray1_dc_nameplate_loss", "Subarray 1 DC nameplate loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray2_dc_gross", "Subarray 2 Gross DC energy", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray2_dc_mismatch_loss", "Subarray 2 DC mismatch loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray2_dc_diodes_loss", "Subarray 2 DC diodes and connections loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray2_dc_wiring_loss", "Subarray 2 DC wiring loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray2_dc_tracking_loss", "Subarray 2 DC tracking loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray2_dc_nameplate_loss", "Subarray 2 DC nameplate loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray3_dc_gross", "Subarray 3 Gross DC energy", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray3_dc_mismatch_loss", "Subarray 3 DC mismatch loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray3_dc_diodes_loss", "Subarray 3 DC diodes and connections loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray3_dc_wiring_loss", "Subarray 3 DC wiring loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray3_dc_tracking_loss", "Subarray 3 DC tracking loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray3_dc_nameplate_loss", "Subarray 3 DC nameplate loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray4_dc_gross", "Subarray 4 Gross DC energy", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray4_dc_mismatch_loss", "Subarray 4 DC mismatch loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray4_dc_diodes_loss", "Subarray 4 DC diodes and connections loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray4_dc_wiring_loss", "Subarray 4 DC wiring loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray4_dc_tracking_loss", "Subarray 4 DC tracking loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_subarray4_dc_nameplate_loss", "Subarray 4 DC nameplate loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_mismatch_loss", "DC mismatch loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_diodes_loss", "DC diodes and connections loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_wiring_loss", "DC wiring loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_tracking_loss", "DC tracking loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_nameplate_loss", "DC nameplate loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_optimizer_loss", "DC power optimizer loss", "kWh", "", "Annual (Year 1)", "", "", "" },
// loss diagram energy outputs nominal poa, nominal array at STC, net dc, net ac, system output
// annual_poa_nom, annual_dc_nominal, annual_dc_net, annual_ac_net, annual_energy
// loss diagram % losses
// annual_poa_nom
{ SSC_OUTPUT, SSC_NUMBER, "annual_poa_shading_loss_percent", "POA front-side shading loss", "%", "", "Loss", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_poa_soiling_loss_percent", "POA front-side soiling loss", "%", "", "Loss", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_poa_cover_loss_percent", "POA front-side reflection (IAM) loss", "%", "", "Loss", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_poa_rear_gain_percent", "POA rear-side bifacial gain", "%", "", "Loss", "", "", "" },
// annual_dc_nominal
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_module_loss_percent", "DC module deviation from STC", "%", "", "Loss", "", "", "" },
// annual_dc_gross
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_snow_loss_percent", "DC snow loss", "%", "", "Loss", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_mppt_clip_loss_percent", "DC inverter MPPT clipping loss", "%", "", "Loss", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_mismatch_loss_percent", "DC mismatch loss", "%", "", "Loss", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_diodes_loss_percent", "DC diodes and connections loss", "%", "", "Loss", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_wiring_loss_percent", "DC wiring loss", "%", "", "Loss", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_tracking_loss_percent", "DC tracking loss", "%", "", "Loss", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_nameplate_loss_percent", "DC nameplate loss", "%", "", "Loss", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_optimizer_loss_percent", "DC power optimizer loss", "%", "", "Loss", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_perf_adj_loss_percent", "DC performance adjustment loss", "%", "", "Loss", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_lifetime_loss_percent", "Lifetime daily DC loss- year 1", "%", "", "Loss", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_battery_loss_percent", "DC connected battery loss- year 1", "%", "", "Loss", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_inv_tdc_loss_percent", "DC inverter thermal derate loss", "%", "", "Loss", "", "", "" },
//annual_dc_net
{ SSC_OUTPUT, SSC_NUMBER, "annual_ac_inv_clip_loss_percent", "AC inverter power clipping loss", "%", "", "Loss", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_ac_inv_pso_loss_percent", "AC inverter power consumption loss", "%", "", "Loss", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_ac_inv_pnt_loss_percent", "AC inverter night tare loss", "%", "", "Loss", "", "", "" },
// annual_ac_gross
{ SSC_OUTPUT, SSC_NUMBER, "annual_ac_inv_eff_loss_percent", "AC inverter efficiency loss", "%", "", "Loss", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_ac_wiring_loss_percent", "AC wiring loss", "%", "", "Loss", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_transmission_loss_percent", "AC transmission loss", "%", "", "Loss", "", "", "" },
// { SSC_OUTPUT, SSC_NUMBER, "annual_ac_transformer_loss_percent", "AC step-up transformer loss", "%", "", "Loss", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_ac_lifetime_loss_percent", "AC lifetime daily loss - year 1", "%", "", "Loss", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_ac_battery_loss_percent", "AC-connected battery loss - year 1", "%", "", "Loss", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_xfmr_loss_percent", "Transformer loss percent", "%", "", "Loss", "", "", "" },
// annual_ac_net
{ SSC_OUTPUT, SSC_NUMBER, "annual_ac_perf_adj_loss_percent", "AC performance adjustment loss", "%", "", "Loss", "", "", "" },
// annual_energy
/*
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_after_mismatch_loss", "DC output after mismatch loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_after_diodes_loss", "DC output after diodes and connections loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_after_wiring_loss", "DC output after wiring loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_after_tracking_loss", "DC output after tracking loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_after_nameplate_loss", "DC output after nameplate loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_ac_after_inv_cliploss", "AC output after inverter clipping loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_ac_after_inv_psoloss", "AC output after inverter power consumption loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_ac_after_inv_pntloss", "AC output after inverter night tare loss", "kWh", "", "Annual (Year 1)", "", "", "" },
*/
{ SSC_OUTPUT, SSC_NUMBER, "annual_ac_wiring_loss", "AC wiring loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_transmission_loss", "Transmission loss", "kWh", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "annual_dc_optimizer_loss", "DC power optimizer loss", "kWh", "", "Annual (Year 1)", "", "", "" },
// total loss diagram losses for single year, does not include lifetime losses
{ SSC_OUTPUT, SSC_NUMBER, "annual_total_loss_percent", "Total loss from nominal POA to net AC", "kWh", "", "Annual (Year 1)", "", "", "" },
//
{ SSC_OUTPUT, SSC_NUMBER, "6par_a", "CEC 6-parameter: a", "", "", "Module CEC 6-parameter model parameters", "*", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "6par_Io", "CEC 6-parameter: Io", "", "", "Module CEC 6-parameter model parameters", "*", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "6par_Il", "CEC 6-parameter: Il", "", "", "Module CEC 6-parameter model parameters", "*", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "6par_Rs", "CEC 6-parameter: Rs", "", "", "Module CEC 6-parameter model parameters", "*", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "6par_Rsh", "CEC 6-parameter: Rsh", "", "", "Module CEC 6-parameter model parameters", "*", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "6par_Adj", "CEC 6-parameter: Adj", "", "", "Module CEC 6-parameter model parameters", "*", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "performance_ratio", "Performance ratio", "", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "capacity_factor", "Capacity factor based on nameplate DC capacity", "%", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "capacity_factor_ac", "Capacity factor based on total AC capacity", "%", "", "Annual (Year 1)", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "kwh_per_kw", "Energy yield", "kWh/kW", "", "Annual (Year 1)", "", "", "" },
//miscellaneous outputs
{ SSC_OUTPUT, SSC_NUMBER, "ts_shift_hours", "Sun position time offset", "hours", "", "Miscellaneous", "", "", "" },
{ SSC_OUTPUT, SSC_NUMBER, "nameplate_dc_rating", "System nameplate DC rating", "kW", "", "Miscellaneous", "*", "", "" },
// test outputs
#ifdef SHADE_DB_OUTPUTS
// ShadeDB validation
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray1_gpoa", "ShadeDB subarray 1 global poa input", "W/m2", "", "Time Series (Subarray 1)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray1_dpoa", "ShadeDB subarray 1 diffuse poa input", "W/m2", "", "Time Series (Subarray 1)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray1_pv_cell_temp", "ShadeDB subarray 1 pv cell temp input", "C", "", "Time Series (Subarray 1)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray1_mods_per_str", "ShadeDB subarray 1 modules per string input", "", "", "Time Series (Subarray 1)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray1_str_vmp_stc", "ShadeDB subarray 1 string Vmp at STC input", "V", "", "Time Series (Subarray 1)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray1_mppt_lo", "ShadeDB subarray 1 MPPT low input", "V", "", "Time Series (Subarray 1)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray1_mppt_hi", "ShadeDB subarray 1 MPPT high input", "V", "", "Time Series (Subarray 1)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray2_gpoa", "ShadeDB subarray 2 global poa input", "W/m2", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray2_dpoa", "ShadeDB subarray 2 diffuse poa input", "W/m2", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray2_pv_cell_temp", "ShadeDB subarray 2 pv cell temp input", "C", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray2_mods_per_str", "ShadeDB subarray 2 modules per string input", "", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray2_str_vmp_stc", "ShadeDB subarray 2 string Vmp at STC input", "V", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray2_mppt_lo", "ShadeDB subarray 2 MPPT low input", "V", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray2_mppt_hi", "ShadeDB subarray 2 MPPT high input", "V", "", "Time Series (Subarray 2)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray3_gpoa", "ShadeDB subarray 3 global poa input", "W/m2", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray3_dpoa", "ShadeDB subarray 3 diffuse poa input", "W/m2", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray3_pv_cell_temp", "ShadeDB subarray 3 pv cell temp input", "C", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray3_mods_per_str", "ShadeDB subarray 3 modules per string input", "", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray3_str_vmp_stc", "ShadeDB subarray 3 string Vmp at STC input", "V", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray3_mppt_lo", "ShadeDB subarray 3 MPPT low input", "V", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray3_mppt_hi", "ShadeDB subarray 3 MPPT high input", "V", "", "Time Series (Subarray 3)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray4_gpoa", "ShadeDB subarray 4 global poa input", "W/m2", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray4_dpoa", "ShadeDB subarray 4 diffuse poa input", "W/m2", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray4_pv_cell_temp", "ShadeDB subarray 4 pv cell temp input", "C", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray4_mods_per_str", "ShadeDB subarray 4 modules per string input", "", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray4_str_vmp_stc", "ShadeDB subarray 4 string Vmp at STC input", "V", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray4_mppt_lo", "ShadeDB subarray 4 MPPT low input", "V", "", "Time Series (Subarray 4)", "", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "shadedb_subarray4_mppt_hi", "ShadeDB subarray 4 MPPT high input", "V", "", "Time Series (Subarray 4)", "", "", "" },
#endif
// a couple debugging outputs
/*
{ SSC_OUTPUT, SSC_ARRAY, "p_nonlinear_dc_derate0", "SS1x dc derate", "", "", "pvsamv1", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "p_nonlinear_derate_X", "SS1x X", "", "", "pvsamv1", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "p_nonlinear_derate_S", "SS1x S", "", "", "pvsamv1", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "p_nonlinear_shad1xf", "SS1x shade fraction", "", "", "pvsamv1", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "p_nonlinear_Ee_ratio", "SS1x Ee ratio", "", "", "pvsamv1", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "p_nonlinear_skyd1xf", "SS1x skydiff derate", "", "", "pvsamv1", "*", "", "" },
{ SSC_OUTPUT, SSC_ARRAY, "p_nonlinear_gndd1xf", "SS1x gnddiff derate", "", "", "pvsamv1", "*", "", "" },
*/
var_info_invalid };
cm_pvsamv1::cm_pvsamv1()
{
add_var_info(_cm_vtab_pvsamv1);
add_var_info(vtab_adjustment_factors);
add_var_info(vtab_dc_adjustment_factors);
add_var_info(vtab_technology_outputs);
add_var_info(vtab_battery_inputs);
add_var_info(vtab_forecast_price_signal);
add_var_info(vtab_battery_outputs);
add_var_info(vtab_resilience_outputs);
add_var_info(vtab_utility_rate_common); // Required by battery
add_var_info(vtab_grid_curtailment); // Required by battery
}
void cm_pvsamv1::exec()
{
/// Underlying class which parses the compute module structure and sets up model inputs and outputs
std::unique_ptr<PVIOManager> IOManager(new PVIOManager(this, "pvsamv1"));
Simulation_IO* Simulation = IOManager->getSimulationIO();
Irradiance_IO* Irradiance = IOManager->getIrradianceIO();
std::vector<Subarray_IO*> Subarrays = IOManager->getSubarrays();
PVSystem_IO* PVSystem = IOManager->getPVSystemIO();
ShadeDB8_mpp* shadeDatabase = IOManager->getShadeDatabase();
size_t nrec = Simulation->numberOfWeatherFileRecords;
size_t nlifetime = Simulation->numberOfSteps;
size_t nyears = Simulation->numberOfYears;
double ts_hour = Simulation->dtHour; //simulation timestep in fraction of an hour (e.g. 15-min data would be 0.25)
size_t step_per_hour = Simulation->stepsPerHour; //number of timesteps in one hour. hourly data will be 1, 15-min data will be 4, etc.
bool system_use_lifetime_output = Simulation->useLifetimeOutput;
bool save_full_lifetime_variables = Simulation->saveLifetimeVars;
// Get Irradiance Inputs for now (eventually models can use these directly)
weather_header hdr = Irradiance->weatherHeader;
weather_data_provider* wdprov = Irradiance->weatherDataProvider.get();
int radmode = Irradiance->radiationMode;
double bifaciality = 0.0;
// Get System or Subarray Inputs
double aspect_ratio = Subarrays[0]->moduleAspectRatio;
size_t num_subarrays = PVSystem->numberOfSubarrays;
int mod_type = Subarrays[0]->Module->modulePowerModel;
double ref_area_m2 = Subarrays[0]->Module->referenceArea;
double module_watts_stc = Subarrays[0]->Module->moduleWattsSTC;
SharedInverter* sharedInverter = PVSystem->m_sharedInverter.get();
//overwrite tilt with latitude if flag is set- can't do this in PVIOManager because need latitude from weather file
//also check here for tilt > 0 for tracking systems, since this is a very uncommon configuration but an easy mistake to make
for (size_t nn = 0; nn < num_subarrays; nn++)
{
if (Subarrays[nn]->tiltEqualLatitude)
Subarrays[nn]->tiltDegrees = fabs(Irradiance->weatherHeader.lat);
if (Subarrays[nn]->trackMode == irrad::SINGLE_AXIS && Subarrays[nn]->tiltDegrees > 0 && !Subarrays[nn]->Module->isBifacial)
log(util::format("Subarray %d has one-axis tracking with a tilt angle of %f degrees. SAM can simulate one-axis tracking with non-zero tilt angles, but large one-axis tracking arrays typically have a tilt angle of zero. This message is a reminder in case you forgot to set the tilt angle to zero.", nn + 1, Subarrays[nn]->tiltDegrees), SSC_WARNING);
if (Subarrays[nn]->Module->isBifacial && Subarrays[nn]->trackMode == irrad::SINGLE_AXIS && Subarrays[nn]->tiltDegrees > 0)
log(util::format("Subarray %d uses bifacial modules with one-axis tracking and a tilt angle of %f degrees. The bifacial model is designed for one-axis tracking with a tilt angle of zero and may not produce reliable results for non-zero tilt angles.", nn + 1, Subarrays[nn]->tiltDegrees), SSC_WARNING);
}
// check for snow model with non-annual simulations: because snow model coefficients need to know the timestep, and we don't know timestep if non-annual
if (!Simulation->annualSimulation && PVSystem->enableSnowModel)
log("For simulation period that is not continuous over one or more years, the snow model may over-estimate snow losses.", SSC_WARNING);