基于IP技术的变电站直流系统接地故障检测系统

Grounding Fault Detection System of Substation Direct Current System Based on IP Technology

文章提出一种基于网际互连协议(Internet Protocol,IP)技术的变电站直流系统接地故障检测系统。该系统利用IP网络构建故障检测平台,通过高精度传感器获取故障信号,结合小波分析与支持矢量机实现故障特征提取和智能判别,并设计友好的人机交互界面。仿真实验表明,该系统能有效检测和定位接地故障,为直流系统安全运行提供新思路。

This paper proposes a grounding fault detection system for direct current system of substation based on Internet Protocol(IP)technology.The system uses IP network to build a fault detection platform,obtains fault signals through high-precision sensors,combines wavelet analysis and support vector machine to realize fault feature extraction and intelligent discrimination,and designs a friendly human-computer interaction interface.The simulation results show that the system can effectively detect and locate the grounding fault,which provides a new idea for the safe operation of direct current system.