弧光保护技术在某项目配电系统中的设计应用

余春燕 李   研 岳   田（军事科学院国防工程研究院，北京市 100036）

Design and Application of Arc Protection Technology in Power Distribution System of a Project

YU Chunyan LI Yan YUE Tian(Military Engineering Research Institute of Academy of Military Sciences,Beijing 100036，China) 

Abstract： In view of the deficiency of mutual restriction between selectivity and speed of conventional relay protection device in arc fault,this paper emphasizes the necessity of setting arc protection,and illustrates the composition and equipment configuration of arc protection system,analyzes its logical principle,

and expounds the technical points needing attention in design.

Key words：arc fault;arc protection system;selectivity and speed;control unit;arc unit;logic selection;system wiring;applications key points

摘　要：针对常规继电保护装置在电弧光故障时存在保护选择性与速动性相互制约的不足，提出设置弧光保护的必要性，结合工程实例说明弧光保护系统的组成、设备配置，分析其逻辑原理，阐明设计中需注意的技术要点。

关键词：弧光故障；弧光保护系统；选择性与速动性；主控单元；弧光单元；逻辑选择；系统接线；应用要点

中图分类号：TU852      　　  　  文献标识码：A

doi：10.3969 / j. issn.1003 － 8493.2022.09.008