低压光伏系统断线产生电弧放电的实验研究

2019 5th International Conference on Electric Power Equipment - Switching Technology (ICEPE-ST) Pub Date : 2019-10-01 DOI:10.1109/ICEPE-ST.2019.8928818

Akihiro Tsusaka, Toshiya Yokoi, T. Matsumura, K. Yukita, Y. Goto, Atsushi Miyamoto, Hiroyuki Ito

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引用次数: 0

摘要

近年来，由于可再生能源的推广使用，光伏发电系统(PV-system)的安装量不断增加。然而，由于光伏系统的断开或短路引起的电弧放电已经发生了火灾事故。因此，为了防止火灾事故的发生，有必要及时扑灭电弧放电。本文首先研究了光伏系统中由断开引起的直流电弧，并对其产生和消失的过程进行了实验研究。结果证实了太阳能电源产生电弧的时间比直流恒压电源产生电弧的时间要长。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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An Experimental Study on Arc Discharge Occured by Breaking of Line in Low-Voltage PV Systems

In recent years, the installation of photovoltaic power generation systems (PV-system) has been increasing because of the promotion of the use of renewable energy. However, a fire accident has occurred by an arc discharge due to a disconnection or short circuit of the photovoltaic systems. Therefore, in order to prevent the fire accident, it is necessary to promptly extinguish the arc discharge. In this paper, as a first step, we focused on DC arc caused by disconnection in PV systems and experimentally investigated the process of its occurrence and disappearance. As a result, it was confirmed that the arcing time occurred by the solar power supply is longer than that generated by the DC constant-voltage supply.

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2019 5th International Conference on Electric Power Equipment - Switching Technology (ICEPE-ST)

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