发变线组接线方式下的继电保护配置分析  

Analysis of Relay Protection Configuration Under the Connection Mode of Generator-Transformer Line Group

作　　者：李振军[1] LI Zhenjun(Qinhuangdao Power Generation Co.,Ltd.,Qinhuangdao 066003)

机构地区：[1]秦皇岛发电有限责任公司,河北秦皇岛066003

出　　处：《电力安全技术》2023年第9期24-26,30,共4页Electric Safety Technology

摘　　要：针对一起采用发变线组(发电机-变压器-线路组)接线方式的机组在线路发生故障时保护未正确响应的事件,对处理过程、保护配置、励磁调节器设备等进行了深入分析,查找出设备隐患和保护逻辑设计的缺陷,提出了更换设备、保护配置优化等改进方案,取得较好的应用效果。A thorough analysis is conducted on the handling process,protection configuration,excitation regulator equipment,and so on to address the issue of incorrect protection response in case of a line fault in a unit using the generator-transformer line group(generator-transformer line group)wiring method.Hidden equipment hazards and defects in protection logic design were identified,and improvement plans such as equipment replacement and protection configuration optimization are proposed,with sound application effects achieved.

关 键 词：发变线组 线路故障 保护配置 励磁调节器 跳闸 

分 类 号：TM77[电气工程—电力系统及自动化]