期刊
ENERGIES
卷 14, 期 14, 页码 -出版社
MDPI
DOI: 10.3390/en14144278
关键词
PV module; degradation; test methods; life expectancy
资金
- Korea Electric Power Corporation [R21XO01-22]
- New and Renewable Energy Technology Development Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) - Korean Ministry of Trade, Industry, and Energy (MOTIE) [20203030010060]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20203030010060] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
This paper discusses the degradation types of PV modules and different accelerated stress types used to evaluate their reliability and durability before determining their life expectancy, as well as proposing prevention and correction measures to minimize economic losses.
Photovoltaic (PV) modules are generally considered to be the most reliable components of PV systems. The PV module has a high probability of being able to perform adequately for 30 years under typical operating conditions. In order to evaluate the long-term performance of a PV module under diversified terrestrial conditions, outdoor-performance data should be used. However, this requires a wait of 25 years to determine the module reliability, which is highly undesirable. Thus, accelerated-stress tests performed in the laboratory by mimicking different field conditions are important for understanding the performance of a PV module. In this paper, we discuss PV-module degradation types and different accelerated-stress types that are used to evaluate the PV-module reliability and durability for life expectancy before using them in the real field. Finally, prevention and correction measures are described to minimize economic losses.
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