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500kV断路器因空气压力低告警导致断路器控制保护回路断线分析
引用本文:樊道庆,杨跃辉.500kV断路器因空气压力低告警导致断路器控制保护回路断线分析[J].自动化应用,2014(12):70-72.
作者姓名:樊道庆  杨跃辉
作者单位:广东电网公司汕头供电局变电管理所柔直集控中心,广东汕头515041
摘    要:针对天生桥换流站500kV三菱断路器因空气压力低告警导致断路器控制保护回路断线这一情况,根据工作站中出现的信号,结合断路器的控制、保护二次回路,对信号及其出现的缘由进行分析,评估断路器控制保护回路断线时,可能出现的安全生产风险,发现目前存在的问题,并对这些问题提出解决方案。

关 键 词:断路器  空气压力低  控制回路断线

Analysis of Break of 500kV Breaker Control and Protection Circuit Caused by Low Air Pressure
FAN Dao-qing,YANG Yue-hui.Analysis of Break of 500kV Breaker Control and Protection Circuit Caused by Low Air Pressure[J].Automation Application,2014(12):70-72.
Authors:FAN Dao-qing  YANG Yue-hui
Institution:(Rouzhi Centralized Control Center of Substation Management of Shantou Power Supply Bureau, Guangdong Power Grid, Shantou 515041, China)
Abstract:Aiming at break of 500 kV Mitsubishi breaker control and protection circuit caused by low air pressure in Tianqiao Converter Station, according to the signal of the station, the reasons are analyzed combined with control circuit and secondary protect circuit of the breaker. The possible safety risks are evaluated when the control circuit breaks. The current problems are found and solutions are proposed.
Keywords:circuit breaker  low air pressure  break of control and protection circuit
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