席 伟（昆明市建筑设计研究院股份有限公司，昆明市 650238）

陈郭骅（施耐德万高（天津）电气设备有限公司，天津市 300384）

低压配电系统电弧故障火灾防范（席伟  陈郭骅）

Prevention of Fire Caused by Arc Fault of Low‑voltage Distribution System

XI Wei(Kunming Architectural Design & Research Institute Co.,Ltd.,Kunming 650238，China)

CHEN Guohua(Schneider Wingoal(Tianjin)Electric Equipment Co.,Ltd.,Tianjin 300384，China)

    Abstract：Classification and electrical characteristics of arc fault are introduced,and protection methods for arc fault is described in principle;the application scenarios of arc fault protection are analyzed in combination with national standards.

    Key words：electrical fire;arc fault;AFDD;low voltage distribution system;series arc;parallel arc;electrical characteristics;application scenarios

  摘　要：介绍电弧故障分类与电气特性，从原理上阐述电弧故障的保护方法；并结合国家标准，分析电弧故障保护的应用场景。

  关键词：电气火灾； 电弧故障；AFDD；低压配电系统；串联电弧；并联电弧；电气特性；应用场景

  中图分类号：TM501 +.2　　　     文献标识码：A

    doi：10.3969 / j. issn.1003 － 8493.2020.010.009