摘要
根据国家相关规范要求,探讨了断路器、隔离开关的功能和应用等问题,阐述了断路器在低压配电系统中的上下级配合,并进行了分析,以期为电气设计人员提供参考。
According to the requirements of relevant national standards, the functions and applications of circuit-breaker and switch-disconnector are discussed.The cooperation between upper and lower levels of circuit-breaker in low voltage distribution system is expounded and analyzed.It can provide references for electrical designers.
作者
李长启
张念
LI Changqi;ZHANG Nian(Hubei Research and Design Institute of Chemical Industry,Wuhan 430073,China)
出处
《现代建筑电气》
2022年第1期6-9,共4页
Modern Architecture Electric
关键词
低压配电系统
断路器
隔离开关
全选择性
局部选择性
low voltage distribution system
circuit-breaker
switch-disconnector
total selectivity
partial selectivity
