高压直流输电换流阀冷却系统氮气稳压方式电磁阀隐患治理方法  

Troubleshooting Method for Electromagnetic Valve in Nitrogen Pressure Stabilization of Converter Valve Cooling System in High Voltage Direct Current Transmission

作　　者：陈立新 江龙 王若愚 任信辉 李运昌 CHEN Lixin;JIANG Long;WANG Ruoyu;REN Xinhui;LI Yunchang(Henan Jingrui Cooling Technology Co.,Ltd.,Xuchang 461000,China)

机构地区：[1]河南晶锐冷却技术股份有限公司,河南许昌461000

出　　处：《电工技术》2024年第6期172-173,177,共3页Electric Engineering

摘　　要：某换流站阀冷系统膨胀罐排气电磁阀故障导致一系列报警。介绍了阀冷系统的主要结构,并结合此次故障案例进行分析,得出阀冷系统目前氮气稳压控制方式中电磁阀的隐患,并提出相应的隐患治理方法建议。This paper reports a valve cooling system malfunction occurred at an actual converter station which led to a series of alarms due to a fault in its expansion tank exhaust electromagnetic valve.The main structure of the valve cooling system is given and combined with the fault case.The potential risks of the electromagnetic valve in current applied nitrogen pressure control method of valve cooling system are specified,and the corresponding risk management suggestions are proposed.

关 键 词：换流阀 阀冷系统 膨胀罐 氮气稳压 电磁阀 

分 类 号：TM721.1[电气工程—电力系统及自动化]