一起500 kV油浸式电抗器误发油位异常信号分析与处理  

Analysis and Treatment of a Wrong Oil Level Abnormal Signal of 500 kV Oil-Immersed Reactor

作　　者：马凯 黄道均 廖军 吴胜 陈旭东 MA Kai;HUANG Daojun;LIAO Jun;WU Sheng;CHEN Xudong(State Grid Anhui Maintenrance Company, Hefei, Anhui 230009, Chin)

机构地区：[1]国网安徽省电力有限公司检修分公司,安徽合肥230009

出　　处：《东北电力技术》2018年第4期48-51,共4页Northeast Electric Power Technology

摘　　要：介绍一起500 kV油浸式电抗器误发油位异常信号的经过、原因分析和整改措施,查明在发生直流接地的情况下,由于油位计辅助开关结构与设计不符、油位计二次接线错误导致该电抗器误发油位异常信号,最后采取有效的整改措施,为处理电抗器(变压器)类似故障提供借鉴。This paper introduces the process,reason analysis and rectification measure of oil level abnormal signal of a 500 kV oil-immersed reactor. It is found out that under the condition of DC grounding,the mismatch between actual and design structure,the secondary wiring error of oil level indicator results in the wrong oil level abnormal signal of the oil-immersed reactor. An effective rectification measure is proposed providing a reference for solving the similar fault of reactor（ transformer）.

关 键 词：电抗器 直流接地 油位计 油位异常 

分 类 号：TM471[电气工程—电器]