电子式电流互感器二次回路故障在线诊断研究

Research on Online Diagnosis of Secondary Circuit Faults in Electronic Current Transformers

电子式电流互感器是电力系统中电能计量装置的重要组成部分,它负责测量和监控电流,确保电力系统运行过程的安全性和稳定性。二次回路的故障可能引发严重的安全问题,导致整个区域运行的电力系统瘫痪中断,造成不可估量的经济损失。因此,开发有效在线故障诊断技术对于预防故障、缩短停电时间和保障电力系统安全运行具有重要意义。综合考察当前电子式电流互感器二次回路故障诊断的方法,并分析其在电力系统实际应用中的优势和局限性。

Electronic current transformers are an important component of energy metering devices in the power system.They are responsible for measuring and monitoring current,ensuring the safety and stability of the power system operation process.The failure of the secondary circuit may cause serious safety issues,leading to the paralysis and interruption of the entire regional power system,causing incalculable economic losses.Therefore,developing effective online fault diagnosis techniques is of great significance for preventing faults,shortening power outage time,and ensuring the safe operation of power systems.This paper comprehensively examines the current methods for diagnosing secondary circuit faults in electronic current transformers,and analyzes their advantages and limitations in practical applications in power systems.