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 ZHANG Jinsong;GONG Xiaolu(Hubei Yuanda Chemical Engineering Co.,Ltd.,Wuhan 430000,China)

机构地区：[1]湖北省缘达化工工程有限公司,湖北武汉430000

出　　处：《现代建筑电气》2021年第3期35-39,44,共6页Modern Architecture Electric

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而造成保护拒动的问题,从保护灵敏度等方面探讨了不同配电距离时的合理配电方案,可为电气设计人员提供参考。In order to solve the problem of protection rejection caused by improper selection of protection apparatus and cable in distribution design of TN system low voltage motor,the reasonable power distribution plans at different power distribution distances are discussed in terms of the protection sensitivity.It can provide references for electrical designers.

关 键 词：TN系统 配电距离 短路保护 单相接地保护 保护灵敏度 

分 类 号：TU856[建筑科学]