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variables_style_rules.rst
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variables_style_rules.rst
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.. _variables_style_rules:
Variables and Symbols
=====================
There is a convention on consistent variable names throughout the library:
.. csv-table:: List of used Variables and Parameters
:file: ../../../pvlib/data/variables_style_rules.csv
:delim: ;
:header-rows: 1
:widths: 5, 5
:stub-columns: 1
For a definition and further explanation on the variables, common symbols and units refer to the following sources:
* `Reference Variable List by PVPMC <https://pvpmc.sandia.gov/resources/variable-list/>`_
* `IEC 61724:1998 -- Photovoltaic system performance monitoring - Guidelines for measurement, data exchange and analysis <https://webstore.iec.ch/publication/5733>`_ ; the Indian Standard referencing the global IEC standard is available online: `IS/IEC 61724 (1998) <https://law.resource.org/pub/in/bis/S05/is.iec.61724.1998.pdf>`_
* Explanation of Solar irradiation and solar geometry by `SoDa Service <http://www.soda-pro.com/home>`_
* `Acronyms, Terminology and Units <http://www.soda-pro.com/help/general/acronyms-terminology-and-units>`_
* `Plane orientations and radiation components <http://www.soda-pro.com/help/general/plane-orientations-and-radiation-components>`_
* `Time references <http://www.soda-pro.com/help/general/time-references>`_
* `Units and conversion tool <http://www.soda-is.com/eng/education/units.html>`_
* `Terminology: definitions of the main quantities. <http://www.soda-is.com/eng/education/terminology.html>`_
* `Acronyms in solar radiation <http://www.soda-is.com/eng/education/acronymes.html>`_ (more extensive list)
.. note:: These further references might not use the same terminology as *pvlib*. But the physical process referred to is the same.