TN系统低压电动机的几种配电方案对比及选择  

Comparison and selection of several power distribution schemes of low voltage motors in TN system

作　　者：张锦松 龚晓璐 王睿[2] ZHANG Jinsong;GONG Xiaolu;WANG Rui(Hubei Yuanda Chemical Engineering Co.,Ltd.,Wuhan 430000,China;China Mobile Heilongjiang Co.,Ltd.,Harbin Branch,Harbin 150001,China)

机构地区：[1]湖北省缘达化工工程有限公司,湖北武汉430000 [2]中国移动通信集团黑龙江有限公司哈尔滨分公司,黑龙江哈尔滨150001

出　　处：《电气应用》2021年第11期56-60,共5页Electrotechnical Application

摘　　要：针对TN系统低压电动机配电设计中保护电器与电缆选择不当造成保护拒动作的问题,从保护灵敏度等方面进行阐述,探讨在面对不同配电距离时的合理配电方案。This paper focuses on the problem of protection rejection caused by improper selection of protective appliances and cables in the power distribution design of TN system low-voltage motors,and discusses the protection sensitivity and other aspects,and discusses the reasonable power distribution plan in the face of different power distribution distances.

关 键 词：TN系统 配电距离 保护电器 短路保护 单相接地保护 保护灵敏度 

分 类 号：TM32[电气工程—电机]