10kV变电站出线开关速断保护的整定原则  

Setting Principles for Quick Break Protection of Outgoing Line Switches in 10kV Substations

作　　者：周兰 陈学举 ZHOU Lan;CHEN Xueju(State Grid Chongqing Electric Power Company Shinan Power Supply Branch,Chongqing 400060,China)

机构地区：[1]国网重庆市电力公司市南供电分公司,重庆400060

出　　处：《集成电路应用》2023年第5期134-135,共2页Application of IC

摘　　要：阐述速断保护在进行整定计算时需要考虑的是否冲击主变,选择性与灵敏性、速动性的失配,励磁涌流引起可靠性不足等关键因素,探讨速断保护整定计算原则。This paper describes the key factors that need to be considered in the setting calculation of quick break protection,such as whether to impact the main transformer,the mismatch between selectivity and sensitivity,quick action,and insufficient reliability caused by excitation inrush current.It also explores the principles for setting calculation of quick break protection.

关 键 词：速断保护 整定计算 励磁涌流 整定原则 

分 类 号：TM727[电气工程—电力系统及自动化]