特高压换流站调相机转子接地保护跳闸分析与改进  

Analysis and Improvement of a Rotor Grounding Protection Trip of Synchronous Condenser in an UHV Converter Station

作　　者：郭杨 陈昊 刘学权 王小虎 李义峰 GUO Yang;CHEN Hao;LIU Xuequan;WANG Xiaohu;LI Yifeng(UHV Company of State Grid Jiangsu Electric Power Co.,Ltd.,Nanjing 211102;Nanjing Power Supply Company,Nanjing 210019;Jiangsu Frontier Electric Technology Co.,Ltd.,Nanjing 211102)

机构地区：[1]国网江苏省电力有限公司超高压分公司,江苏南京211102 [2]国网江苏省电力有限公司南京供电分公司,江苏南京210019 [3]江苏方天电力技术有限公司,江苏南京211102

出　　处：《电力安全技术》2023年第8期49-53,共5页Electric Safety Technology

摘　　要：针对一起特高压换流站调相机系统运行过程中转子绕组回路发生异常接地导致保护出口跳闸的案例,阐述了乒乓式和方波注入式转子接地保护的原理,分析并定位了故障点,并提出了针对性的改进措施。As for a trip of protection outlet due to abnormal grounding of the rotor winding circuit in the running of a synchronous condenser system in a UHV converter station,the principle of pingpong-type and square wave-type rotor grounding protection is described,and the potential fault points are analyzed,based on which the corresponding improvement measurements are put forward.

关 键 词：特高压换流站 调相机系统 转子接地保护 异常接地 

分 类 号：TM342[电气工程—电机]