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Effects of solar cell group granularity and modern system architectures on partial shading response of crystalline silicon modules and systems
Author(s) -
Sinapis Kostas,
Rooijakkers Tom T. H.,
Pacheco Bubi Rafael,
Sark Wilfried G. J. H. M.
Publication year - 2021
Publication title -
progress in photovoltaics: research and applications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.286
H-Index - 131
eISSN - 1099-159X
pISSN - 1062-7995
DOI - 10.1002/pip.3420
Subject(s) - granularity , shading , photovoltaic system , irradiance , software deployment , computer science , solar cell , string (physics) , engineering , electrical engineering , mathematics , physics , computer graphics (images) , optics , operating system , mathematical physics
Partial shading is widely considered to be a limiting factor in the performance of photovoltaic (PV) systems applied in urban environments. Modern system architectures combined with per module deployment of power electronics have been used to improve performance especially at heterogeneous irradiance conditions. In this work another approach is used to combine modern system architecture with alternate module designs. The granularity of cell groups in PV modules is investigated together with the so‐called Tessera concept, in which single cells are cut in 16 parts. Typical meteorological year yield calculations show that these alternate module designs in combination with modern system architectures can retrieve up to half the shading losses compared to standard modules and string inverters under identical shading conditions.

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