变电站保护装置压板分析与投退注意事项  

Analysis on Platens of Substation Protective Devices and Precautions of Switching

作　　者：郁景礼 郭修杰 张峰 张莉珠 何健明 YU Jingli;GUO Xiujie;ZHANG Feng;ZHANG Lizhu;HE Jianming(Foshan Power Supply Bureau of Guangdong Power Grid Co.,Ltd.,Foshan 528000,China)

机构地区：[1]广东电网有限责任公司佛山供电局,广东佛山528000

出　　处：《电工技术》2024年第10期184-186,190,共4页Electric Engineering

摘　　要：以某220 kV变电站运行人员因万用表档位选择不当导致的电气二次误操作事件为例,阐述变电站保护装置压板分类和主要功能投退方式,并对功能硬压板开入回路和出口硬压板开出回路的回路特点和电位开展具体分析,结合现场实际提出保护装置压板投退防误动预控措施。Taking the electrical secondary misoperation event caused by operator′s improper selection of multimeter gear encountered in a certain 220 kV substation as an example,this paper elaborates on classification and main function switching methods of platens of substation protective devices,analyzes circuit characteristics and potential of functional hard platen input circuit and outlet hard platen output circuit,and proposes precontrol measures for preventing misoperation of protective device platens according to on-site practice.

关 键 词：电气二次误操作 压板分类 主要功能投退方式 回路分析 防误动预控措施 

分 类 号：TM63[电气工程—电力系统及自动化]