The Need for a New Parameter on PV Modules Datasheet: Shading Tolerability

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Abstract

This paper suggests a measurable parameter, the so-called Shading Tolerability (ST), to be added on PV modules datasheet. Using this parameter, PV modules can be compared and classified regarding the ability to oppose shading effects. The parameter is extracted based on mathematical and probability analysis, then measured using a Large Area Steady State Solar (LASSS) simulator. Outdoor measurements proved a correlation between ST and Performance Ratio (PR) of PV modules. ST was also found to be independent of the ambient temperature, which indicates that it is a characteristic parameter of a PV module. Finally, a selection map for PV module installation at different climate conditions based on ST and temperature coefficient for maximum power (\gamma)is presented.

Original languageEnglish
Title of host publication2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC
EditorsAlex Freundlich, Marko Topic, Akira Yamada
Place of PublicationPiscataway, NJ, USA
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages664-667
Number of pages4
ISBN (Electronic)978-1-5386-8529-7
ISBN (Print)978-1-5386-8530-3
DOIs
Publication statusPublished - 2018
Event7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - Waikoloa Village, United States
Duration: 10 Jun 201815 Jun 2018

Conference

Conference7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018
CountryUnited States
CityWaikoloa Village
Period10/06/1815/06/18
Other (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC)

Keywords

  • partial shading
  • Photovoltaic (PV) module
  • selection map
  • shading tolerability (ST)
  • temperature coefficient

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