IEEJ Transactions on Power and Energy
Online ISSN : 1348-8147
Print ISSN : 0385-4213
ISSN-L : 0385-4213
Paper
Reduction of Output Lower by the Dirt Spots in a Small Photovoltaic Module
Shin-ichi KobayashiTomonori IinoHironori KobayashiKazumasa YamadaToshiaki Yachi
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2006 Volume 126 Issue 11 Pages 1135-1141

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Abstract

This paper reports an output lower property when spot dirt adheres to a small photovoltaic module. It was used the small photovoltaic module of 13W applied to various electric systems. The module consists of 34-cells, cut to 1/4 the silicon single crystal photovoltaic cell of the square whose one side is 103mm. It was found that the photovoltaic output power is reduced by 50% due to a 3% dirt area on the small module. We also showed clearly that the decrease of output power able to improve about 20% by changing photovoltaic cell shape to rectangle.

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© 2006 by the Institute of Electrical Engineers of Japan
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