继电保护中的PT二次电压回路故障影响与对策分析  

Analysis of Influence and Countermeasure of PT Secondary Voltage Circuit Fault in Relay Protection

作　　者：刘光远 宋成洋 步祯祎 LIU Guangyuan;SONG Chengyang;BU Zhenyi(China Nuclear Power Operation Management Co.,Ltd.,Zhejiang 314300,China.)

机构地区：[1]中核核电运行管理有限公司,浙江314300

出　　处：《电子技术（上海）》2023年第1期222-223,共2页Electronic Technology

摘　　要：阐述导致PT二次电压回路故障的原因,二次电压回路故障对变电站继电保护的影响,加强设备维护及硬件改善措施,包括拒动和误动的继电保护。This paper describes the causes of PT secondary voltage circuit fault, the impact of secondary voltage circuit fault on substation relay protection, and measures to strengthen equipment maintenance and hardware improvement, including relay protection of non-operation and misoperation.

关 键 词：继电保护 二次电压回路 故障原因 拒动与误动 

分 类 号：TM77[电气工程—电力系统及自动化]