广州换流站液压断路器漏氮检测系统分析与运维措施

Analysis and Operation and Maintenance Measures of Nitrogen Leakage Detection System of Hydraulic Circuit Breaker in Guangzhou Converter Station

广州换流站断路器是西门子3A系列的液压断路器。介绍了氮气对液压断路器储能起到的作用,分析了漏氮对断路器的不良影响,探究了漏氮检测系统的原理,并针对该系列断路器漏氮检测的不足提出相应的运维措施。

The circuit breaker of Guangzhou converter station is a Siemens 3A series hydraulic circuit breaker.The effect of nitrogen on the energy storage of hydraulic circuit breaker is introduced.The adverse effect of nitrogen leakage on the circuit breaker is analyzed,and the principle of nitrogen leakage detection system is exploered.In view of the shortage of nitrogen leakage detection of this series of circuit breakers,corresponding operation and maintenance measures are put forward.