6kV厂用系统直流断路器改造分析  

Analysis on Transformation of DC Circuit Breaker in 6kV Auxiliary System

作　　者：周庆广 李强 赵成功 ZHOU Qingguang;LI Qiang;ZHAO Chenggong(Guoneng Power Technology Engineering Co.,Ltd.,Jinan 250001;Shandong Mechanical Design&Research Institute,Jinan 250031)

机构地区：[1]国能电力技术工程有限公司,济南250001 [2]山东省机械设计研究院,济南250031

出　　处：《现代制造技术与装备》2022年第5期122-124,共3页Modern Manufacturing Technology and Equipment

摘　　要：通过对6 kV厂用系统直流回路短路电流的计算,结合直流断路器的级差配合试验,分析直流断路器的选择性配合电流比,从而为存在同类问题的电厂提供借鉴。Based on the calculation of short-circuit current of DC circuit in 6 kV auxiliary system,combined with the differential coordination test of DC circuit breaker,this paper analyzes the selective coordination current ratio of DC circuit breaker,which provides reference for power plants with similar problems.

关 键 词：控制负荷 直流系统 级差配合 直流断路器 

分 类 号：TM561[电气工程—电器] TM721.1