Reliability of photovoltaic modules I. Theoretical considerations

The effect of interconnection and bypass diodes on the reliability of photovoltaic modules and arrays have been evaluated. Analysis of different cell or panel interconnections for the determination of the optimum item configuration and circuit design strategies to achieve reliable modules and arrays...

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Bibliographic Details
Published in:Solar energy materials and solar cells 1994, Vol.31 (4), p.455-468
Main Authors: Al-Rawi, Nabeel A., Al-Kaisi, Maan M., Asfer, Dhia
Format: Article
Language:English
Subjects:
Applied sciences
Energy
Equipments, installations and applications
Exact sciences and technology
Natural energy
Photovoltaic conversion
Solar energy
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Summary:The effect of interconnection and bypass diodes on the reliability of photovoltaic modules and arrays have been evaluated. Analysis of different cell or panel interconnections for the determination of the optimum item configuration and circuit design strategies to achieve reliable modules and arrays has been carried out. A computer program for finding the optimum configuration which produce maximum module and array reliability is presented. The roll of bypass diodes for module and array reliability improvements have been studied theoretically and experimentally. It is found that module and array reliability depends on the item's (cells or panels) probability of failure, arrangement of the items, and failure mode. Discussion and suggestions for optimum design are presented.
ISSN:0927-0248
1879-3398
DOI:10.1016/0927-0248(94)90188-0