宜都换流站直流光电流互感器故障分析

Fault Analysis of DC Optical Current Transformer in Yidu Converter Station

伴随着直流输电工程的发展,光电流互感器由于其自身的良好特性,在直流系统中大量使用。作为新型的电流互感器,国内缺乏足够的运行维护经验。本文针对宜都换流站直流光电流互感器运行中出现的故障,深入分析了故障原因,并提出了相应的解决办法,为今后光电流互感器同类问题的处理提供了参考。

With the development of HVDC transmission,optical current transformer is widely used in DC system because of its excellent properties.As a new type of current transformer,the sufficient experience of operating and maintenance is lack.This article aims the faults of DC current transformer in Yidu Converter Station,analyzes the reason of faults,and proposes the corresponding solution,which provides a reference to deal with the similar issue of optical current transformer in the future.