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International Journal of Energy for a Clean Environment
SJR: 0.195 SNIP: 0.659 CiteScore™: 1.2

ISSN Imprimir: 2150-3621
ISSN En Línea: 2150-363X

International Journal of Energy for a Clean Environment

Formerly Known as Clean Air: International Journal on Energy for a Clean Environment

DOI: 10.1615/InterJEnerCleanEnv.2015015322
pages 73-88

QUALITATIVE AND QUANTITATIVE ANALYSES OF SHADOWING EFFECTS ON THE PHOTOVOLTAIC MODULE CHARACTERISTICS

Sunil Sachdev
Alternative Energy Department, Indian Oil Corporation Limited, R & D Centre, Sector-13, Faridabad, 121007, India
Umish Srivastva
Alternative Energy Department, Indian Oil Corporation Limited, R & D Centre, Sector-13, Faridabad, 121007, India
Alok Sharma
Alternative Energy Department, Indian Oil Corporation Limited, R & D Centre, Sector-13, Faridabad, 121007, India
G. K. Acharya
Alternative Energy Department, Indian Oil Corporation Limited, R & D Centre, Sector-13, Faridabad, 121007, India

SINOPSIS

This paper aims at analyzing the shadowing effects on the photovoltaic module characteristics through numerical modeling and simulations using the SPICE simulation soft ware and experimentation on a class AAA solar simulator. In this paper, a basic level of understanding of shadowing loss along with its effects on different electrical parameters of a solar module is presented. Qualitative and quantitative models for different cases involving shadowing on single and multiple cells in a single module have been formulated. Quantification of power loss in a solar module for different shadow rates over a single solar cell is done and results have been verified through actual measurements carried out on a solar simulator. Variation of power loss due to shadowing with respect to the number of bypass diodes in a module is also studied.


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