500kV变电站的站用变保护装置与控制电源分析  

Analysis of Station Transformer Protection Device and Control Power Supply in 500kV Substation

作　　者：徐佳赟 杨岚沛 封永才 王鑫 达慧 马宇辉 侯可 陈怡霏 XU Jiayun;YANG Lanpei;FENG Yongcai;WANG Xin;DA Hui;MA Yuhui;HOU Ke;CHEN Yifei(State Grid Henan Electric Power Company Ultra High Voltage Company,Henan 450100,China)

机构地区：[1]国网河南省电力公司超高压公司,河南450100

出　　处：《集成电路应用》2023年第10期294-295,共2页Application of IC

摘　　要：阐述500kV变电站内35kV站用变保护装置与控制电源的配置,在任何一路直流电源失电的情况下,存在站用变保护装置都无法跳开断路器的隐患,提出两种相应的改进措施。This paper describes the configuration of the 35kV station transformer protection device and control power supply in a 500kV substation.In the event of any DC power loss,there is a hidden danger that the station transformer protection device cannot trip the circuit breaker.Two corresponding improvement measures are proposed.

关 键 词：直流电源 站用变保护 二次回路 可靠性 

分 类 号：TM63[电气工程—电力系统及自动化]