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NPSS Power System Library
NASA Glenn Research Center
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This repository contains a power system library for NPSS, containing circuit components such as resistors and capacitors, electric machines, and ports that are used to link them together. The library also includes bus components that allow more than two elements to be connected to a single node. Several examples are included in the library to demonstrate the use of the various components, and how they may be connected to an NPSS gas-turbine engine model.
To run the examples, first, open a command prompt or terminal with your NPSS environment set up. Then, change directory to the main directory of the project (containing "model," "src," "view," etc), and then run
>> runnpss -I model -I run -I src -I view [example run file]
to run any of the included models. If you run the baseline example, "baseline.run," you should get an output that looks like this in the file "engine.viewOut":
************************************************************************************************************************************
Date:03/11/19 Time:13:09:14 Model: converge = 1 CASE: 0
Version: NPSS_2.7.1 Gas Package: GasTbl iter/pass/Jacb/Broy= 33/ 39/ 2/30 Run by: jcsank
FLOW STATION DATA
W Pt Tt ht FAR Wc Ps Ts rhos Aphy MN gamt
St0-St1 Atm.Fl_O 219.74 14.696 518.67 123.95 0.0000 219.74 0.000 0.00 0.000000 0.0 0.0000 1.40052
St1-St2 Prop.Fl_O 219.74 20.574 574.97 137.46 0.0000 165.25 0.000 0.00 0.000000 0.0 0.0000 1.39944
St00-St10 TurbineAtm.Fl> 500.00 500.000 2200.00 574.10 0.0200 30.27 0.000 0.00 0.000000 0.0 0.0000 1.30774
St10-End0 Turb.Fl_O 500.00 476.730 2177.87 567.66 0.0200 31.58 0.000 0.00 0.000000 0.0 0.0000 1.30837
St2-End Noz.Fl_O 219.74 20.574 574.97 137.46 0.0000 165.25 14.000 515.05 0.073366 508.3 0.7625 1.39944
ELECTRICAL POWER SYSTEM
EP_I.S.r EP_I.V.mag EP_I.V.phase EP_I.I.mag EP_I.I.phase Mass Loss_r Loss_j
EM1 3262.246 1202.595 -4.20E-002 1570.296 -4.93E-001 240.904 135.927 1579.978
EP_I.S.r EP_O.S.r EP_O.V.mag EP_O.V.phase EP_O.I.mag EP_O.I.phase Mass Loss_r Loss_j
Cable1 3262.278 3262.246 1202.595 -4.20E-002 1570.296 -4.93E-001 785.510 0.000 0.000
Generators
EP_O.S.r EP_O.V.mag EP_O.V.phase EP_O.I.mag EP_O.I.phase Mass Loss_r Loss_j
Gen1 3262.278 1200.000 0.000 1570.296 -4.93E-001 250.944 135.928 0.000
************************************************************************************************************************************
Date:03/11/19 Time:13:09:14 Model: converge = 1 CASE: 0
Version: NPSS_2.7.1 Gas Package: GasTbl iter/pass/Jacb/Broy= 18/ 36/ 3/14 Run by: jcsank
FLOW STATION DATA
W Pt Tt ht FAR Wc Ps Ts rhos Aphy MN gamt
St0-St1 Atm.Fl_O 201.49 14.696 518.67 123.95 0.0000 201.48 0.000 0.00 0.000000 0.0 0.0000 1.40052
St1-St2 Prop.Fl_O 201.49 19.382 563.16 134.62 0.0000 159.19 0.000 0.00 0.000000 0.0 0.0000 1.39966
St00-St10 TurbineAtm.Fl> 500.00 500.000 2200.00 574.10 0.0200 30.27 0.000 0.00 0.000000 0.0 0.0000 1.30774
St10-End0 Turb.Fl_O 500.00 484.175 2185.08 569.76 0.0200 31.15 0.000 0.00 0.000000 0.0 0.0000 1.30816
St2-End Noz.Fl_O 201.49 19.382 563.16 134.62 0.0000 159.19 14.000 513.14 0.073639 508.3 0.6978 1.39966
ELECTRICAL POWER SYSTEM
EP_I.S.r EP_I.V.mag EP_I.V.phase EP_I.I.mag EP_I.I.phase Mass Loss_r Loss_j
EM1 2291.127 1202.045 -2.95E-002 1103.348 -4.81E-001 240.904 67.107 1109.643
EP_I.S.r EP_O.S.r EP_O.V.mag EP_O.V.phase EP_O.I.mag EP_O.I.phase Mass Loss_r Loss_j
Cable1 2291.143 2291.127 1202.045 -2.95E-002 1103.348 -4.81E-001 785.510 0.000 0.000
Generators
EP_O.S.r EP_O.V.mag EP_O.V.phase EP_O.I.mag EP_O.I.phase Mass Loss_r Loss_j
Gen1 2291.143 1200.000 0.000 1103.348 -4.81E-001 250.944 0.000 0.000