关于500 kV高压直流断路器充电电压告警故障的分析

Analysis of 500 kV High Voltage DC Breaker's Charging Voltage Failure

本文对直流开关充电电压故障的案例进行了总结归纳,简要介绍了直流开关的原理及作用,着重对直流开关充电装置的工作原理及其测控回路和逻辑进行了分析研究,归纳出了直流开关充电电压故障的原因。总结了一套适合现场快速判断故障原因的检测方法。

This paper summarizes the failure cases of the DC breaker charging voltage,briefly describes the principles and the role of the DC breaker,which analysis the principles of the charging device and the control loop and control logic,concluding the cause of the DC breaker's charging voltage failure.At last,the paper finds a fault detection method which is fit for determining the cause of the malfunction quickly.