电动机起动对其配电断路器短路整定影响探讨

作者：刘月英李良胜

单位：深圳市市政设计研究院有限公司

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。

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

作者简介：刘月英,本科,广东省勘设协电气及自动化专委会秘书长,高级工程师,Email:41117253@qq.com。;

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参考文献[1]中国航空规划设计研究总院有限公司组编．工业与民用配电设计手册(第三版)[M]．北京:中国电力出版社．2005．

[2]中国航空规划设计研究总院有限公司组编．工业与民用配电设计手册(第四版)[M]．北京:中国电力出版社．2016．

[3]GB 50055-2011通用用电设备配电设计规范[S]．北京:中国计划出版社．2012.

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

Liu Yueying Li Liangsheng

(Shenzhen Municipal Design and Research Institute Co.,Ltd.)

Abstract: 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.

Keywords: short circuit protection; circuit breaker; starting current; impulse current; setting current; starting mode;

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