Review of Research Progress on Characteristics, Detection and Localization Approaches of Fault Arc in Low Voltage DC System

被引：0

作者：

Xiong Q. ^{[1
]}

Chen W. ^{[2
]}

Ji S. ^{[1
]}

Zhu L. ^{[1
]}

机构：

[1] State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an

[2] State Grid Corporation of China, Xicheng District, Beijing

来源：

Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2020年 / 40卷 / 18期

基金：

中国博士后科学基金;

关键词：

Fault detection; Fault localization; Low voltage DC system; Photovoltaic system; Series arc;

D O I：

10.13334/j.0258-8013.pcsee.200330

中图分类号：

学科分类号：

摘要：

Since the application range of the low voltage DC system increases gradually, the DC arc fault becomes a serious problem which impacts the safe operation of the DC system. The DC arc does not have zero crossing current, and the series arc introduces non-linear resistor into the original circuit, which causes the current drop. Therefore, the series arc fault is more difficult to be detected than the parallel arc fault. This paper concluded the research status about the DC fault arc at home and abroad. The characteristics of the DC fault arc were introduced according to the volt-ampere characteristics and high frequency characteristics. The deficiency of the research on the DC arc characteristics was pointed out. Then the DC arc fault detection and localization approaches were divided into radiation characteristics based, time and frequency domain threshold of voltage and current based, and pattern recognition approaches. The advantages and disadvantages of these detection and localization approaches and their application conditions are discussed. The difficulty of were fault detection and localization were pointed out, and the future research direction was prospected. © 2020 Chin. Soc. for Elec. Eng.

引用

页码：6015 / 6026

页数：11

共 81 条

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