Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference (한국전기전자재료학회:학술대회논문집)
- 2005.07a
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- Pages.26-28
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- 2005
The Effect of Electrical Properties with Degradation of EVA sheet and Electrode in Photovoltaic Module
태양전지모듈의 EVA sheet 열화와 전극부식이 전기적 특성에 미치는 영향
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Kang, Gi-Hwan
(Korea Institute of Energy Research, Konkuk University)
;
- Park, Chi-Hong (Korea Institute of Energy Research, Konkuk University) ;
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Yu, Gwon-Jong
(Korea Institute of Energy Research, Konkuk University)
;
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Ahn, Hyung-Keun
(Korea Institute of Energy Research, Konkuk University)
;
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Han, Deuk-Young
(Korea Institute of Energy Research, Konkuk University)
- Published : 2005.07.07
Abstract
In this paper, degradation in field-aged PV modules including degradation of interconnect, discoloration of encapsulant and hot spot have been observed and analyzed. From the results, photovoltaic module installed for 15 years shows around 13~20% drop of electrical properties due to the interconnect degradation and PV module passed 19 years has been found to drop of around 20% mainly by the encapsulant discoloration. Fill factor of the electrode oxidized photovoltaic module has been dropped by the amount of 6~10% due to the change of irradiance. It is because maximum voltage(Vmp) decreases according to the increase of irradiance.