变电站直流系统的运行和维护

Operation and Maintenance of DC System in Substation

直流系统是为变电站断路器中多个设备提供电源的重要部分,主要为分合闸、回路仪表以及继电保护和事故照明系统等提供直流电,被称为变电站二次系统心脏的直流系统,其对于变电站安全运行极为重要。文章总结了直流系统安装调试及维护等售后服后工作,论述了直流系统安全运行和维护。

DC system is an important part of power supply for many devices in substation circuit breaker.It mainly provides DC power for switch-on,circuit instrument,relay protection and accident lighting system.It is called the heart of DC system of substation secondary system.It is very important for the security of substation.This article was a summary of more than ten years of afterservice work,such as installation,commissioning and maintenance of DC system,and discussed the security and maintenance of DC system.