继电保护的二次回路故障状态实时监测分析

Analysis of Real-time Monitoring of Secondary Circuit Fault State of Relay Protection

阐述一种电力系统继电保护二次回路故障状态实时监测方法,利用电流极限圆和电压极限特征检测方法进行故障特征提取,通过实时频谱检测对故障状态参数进行定位识别,构建定位监测模型。

This paper expounds a real-time monitoring method for the fault state of the secondary circuit of power system relay protection, extracts the fault features by using the current limit circle and voltage limit feature detection method, identifies the fault state parameters through real-time spectrum detection, and constructs the location monitoring model.