DC arc-fault hazards analysis and protection in photovoltaic system

被引：0
|
作者：
Wu, Chunhua [1 ]
Xu, Wenxin [1 ]
Li, Zhihua [1 ]
Wang, Fei [1 ]
机构：
[1] Shanghai Key Laboratory of Power Station Automation Technology, School of Mechatronics Engineering and Automation, Shanghai University, Shanghai,200072, China
来源：
Taiyangneng Xuebao/Acta Energiae Solaris Sinica | 2020年 / 41卷 / 09期
关键词：
To carry out practical hazards assessment of DC arc-fault in photovoltaic system; an arc combustion critical condition analysis method is put forward in this study. According to the arc-fault waveforms in the DC side of photovoltaic system measured on the experimental platform; the DC characteristics were analyzed firstly. Referring the hazards evaluation analysis of other DC source arc-fault in existing standards; the critical conditions of DC arc combustion in photovoltaic system are derived; which is proved to be effective by the results of simulation and experiment. Considering the high risk of parallel arc-fault in photovoltaic system; a feasible scheme to extinguish parallel arc in photovoltaic power station is finally proposed based on the previous method. © 2020; Solar Energy Periodical Office Co; Ltd. All right reserved;
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页码：198 / 206
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