中性点绝缘的供电系统快速保护综合技术装置

A High Speed Comprehensive Protection Device for Power Supply System with Isolated Neutral Point

本文介绍了一种带旁路接地的快速漏电保护综合装置。阐述了该装置的方框图、工作原理及其保护性能。该装置适用于中性点绝缘的高压电网中。它具有对故障线路选择性好和准确选出故障相的优点。

This paper describes a high speed current leakage protection device with grounding shunt, which is suitable to the high voltage network with isolated neutral point. It has advantages of accurate selection for fault phase and circuit. The block diagram, operating principle and protective characteristics of the device are demonstrated.