摘要
通过介绍光伏发电、轨道交通、舰船、直流配电及核电系统中的直流系统及其中应用的低压直流断路器,归纳总结了低压直流断路器在功能、环境适应性、可靠性方面的特殊要求,阐述了低压直流断路器操作机构、灭弧系统、脱扣器的主要设计方法和手段,展望了低压直流断路器随着物联网化趋势同步发展。
This paper introduced the DC system in photovoltaic power generation,rail transit,ship,DC power distribution and nuclear power systems and the low voltage DC circuit breakers used in it.The special requirements of low voltage DC circuit breaker in terms of function,environmental adaptability and reliability were summarized.The main design methods and means of operating mechanism,arc extinguishing apparatus and trip unit of low voltage DC circuit breaker were expounded.It was prospected that the low voltage DC circuit breakers are developed in tandem with the trend of Internet of Things.
作者
朱金保
ZHU Jinbao(Beijing People’s Electric Plant Co.,Ltd.,Beijing 102600,China)
出处
《电器与能效管理技术》
2019年第22期23-29,共7页
Electrical & Energy Management Technology
关键词
低压
直流断路器
操作机构
灭弧系统
脱扣器
low voltage
DC circuit breaker
operating mechanism
arc extinguishing apparatus
tripper unit
