基于光纤通信的变电站继电保护二次回路故障监测技术

Fault Monitoring Technology for Secondary Circuit of Substation Relay Protection Based on Fiber Optic Communication

变电站继电保护二次回路故障频发,严重威胁电网安全。文章提出一种基于光纤通信的变电站继电保护二次回路故障监测技术。该技术利用光纤传感器的优异性能,结合多传感器信息融合算法,实现对二次回路故障的快速、准确识别。实验结果表明,与传统方法相比,该技术在故障检测率、误报率以及检测时延等关键指标上均有显著提升,为电力系统的安全稳定运行提供了可靠保障。

Substation relay protection secondary circuit failure frequently,a serious threat to the safety of power grid.In this paper,a fault monitoring technology of secondary circuit of substation relay protection based on optical fiber communication is proposed.This technology utilizes the excellent performance of optical fiber sensor and multi-sensor information fusion algorithm to realize fast and accurate identification of secondary loop faults.The experimental results show that compared with the traditional methods,the proposed technology has significantly improved the fault detection rate,false alarm rate and detection delay and other key indicators,which provides a reliable guarantee for the safe and stable operation of the power system.