35kV真空断路器开断并联电容器过电压分析  

Analysis of Overvoltage of 35kV Vacuum Circuit Breaker Breaking Parallel Capacitors

作　　者：刘天宇 车传强 赵磊 赵俊 冯汝明 LIU Tianyu;CHE Chuanqiang;ZHAO Lei;ZHAO Jun;FENG Ruming(Inner Mongolia Electric Power Research Institute Branch of Inner Mongolia Power(Group)Co.,Ltd.,Hohhot,Inner Mongolia 010020,China;High Voltage and Insulation Technology Enterprise Key Laboratory of Inner Mongolia Autonomous Region,Hohhot,Inner Mongolia 010020,China)

机构地区：[1]内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司,内蒙古呼和浩特010020 [2]内蒙古自治区高电压与绝缘技术企业重点实验室,内蒙古呼和浩特010020

出　　处：《东北电力技术》2024年第5期34-36,40,共4页Northeast Electric Power Technology

摘　　要：针对一起35 kV真空断路器开断并联电容器故障实例,利用EMTP-ATP软件搭建仿真模型,模拟真空断路器开断并联电容器出现过电压的情况,分析比较避雷器与阻容过电压保护器对重燃过电压的抑制效果,同时根据网内并联电容器实际运行情况提出相应的技术建议,为真空断路器开断并联电容器过电压相关问题提供一定参考。According to a fault example of 35 kV vacuum circuit breaker breaking parallel capacitor,a simulation model is built by using EMTP-ATP software to simulate the overvoltage situation of vacuum circuit breaker breaking parallel capacitor.It analyzes and compares the restraining effect of lightning arrester and resistance capacitance overvoltage protector on reignition over voltage,and puts forward corresponding technical suggestions according to the actual operation of parallel capacitor in the network.It provides some reference for vacuum circuit breaker to break parallel capacitor overvoltage related problems.

关 键 词：真空断路器 并联电容器 过电压 EMTP-ATP 

分 类 号：TM561.2[电气工程—电器]