换流站高压电容器故障监测技术的研究与应用

针对换流站交、直流滤波器电容器故障时壳体变形问题,分析了高压电容器故障形变特点,提出了利用基于物联网的无线形变温度传感器对换流站高压电容器进行故障监测的技术方案。应用结果表明:该方法提高了换流站高压电容器运行可靠性,减少了运维人员巡视工作量,降低了电容器维护成本,为换流站交、直流滤波器运行维护积累了经验。

Research and application of fault monitoring technology for HV capacitor in converter station

Aiming at the problem of deformation of capacitor of AC/DC filter caused by the fault,analyzes the deformation characteristic of HV capacitor,puts forward the technology scheme ofusing deformation and temperature wireless sensor based on internet of things monitoring HVcapacitor fault in converter station. The application result shows that the technology scheme canincrease operation reliability of HV capacitor in converter station,reduce patrol workload ofoperators,decrease maintenance cost of capacitor and accumulate experience for the operation andmaintenance of DC filter.