电动机起动对其配电断路器短路整定影响探讨  

Discussion on the Influence of Motor Starting on the Short Circuit Setting of Its Distribution Breaker

作　　者：刘月英 李良胜 Liu Yueying;Li Liangsheng(Shenzhen Municipal Design and Research Institute Co.,Ltd.,Shenzhen 518029,China)

机构地区：[1]深圳市市政设计研究院有限公司,深圳518029

出　　处：《智能建筑电气技术》2020年第3期28-30,共3页Electrical Technology of Intelligent Buildings

摘　　要：电动机配电断路器短延时和瞬时过电流脱扣器整定均与电动机起动特性密切相关.本文根据电动机不同起动方式进行整定探讨,并给出相应短路整定速查表.The setting of short delay and instantaneous overcurrent tripping device of motor distribution circuit breaker are closely related to the starting characteristics of the motor.This paper discusses different starting modes of the motor and gives the corresponding short circuit setting speed check table.

关 键 词：短路保护 断路器 起动电流 冲击电流 整定电流 起动方式 

分 类 号：TU997[建筑科学—市政工程]