地铁主所35 kV避雷器故障分析
王明飞(中铁二院工程集团有限责任公司,成都市 610031)
Fault Analysis of 35 kV Lightning Arrester in Metro Main Substation
WANG Mingfei(China Railway Eryuan Engineering Group Co.,Ltd.,Chengdu 610031,China)
Abstract:In combination with the fault conditions occurring to the bus 35 kV lightning arrester in the metro main substation,this paper analyzes and summarizes the fault process and cause,etc.,and recommends carrying out the production and installation in strict accordance with relevant rules and regulations during the equipment fabrication and site construction and installation process,so as to reduce the equipment fault.
Key words:metro main substation;35 kV lightning arrester;busbar circuit breaker;over‑voltage;zero sequence current;setting value;fault record;fault analysis
摘 要:主要结合地铁主所母线35 kV避雷器发生的故障情况,对故障经过、原因等进行分析和总结,并建议在设备制造和现场施工安装中,严格按照相关规章规范进行生产、安装,以降低设备故障。
关键词:地铁主所;35 kV避雷器;母联断路器;过电压;零序电流;整定值;故障录波;故障分析
中图分类号:TU895 文献标识码:A
doi:10.3969 / j. issn.1003 - 8493.2022.02.011