直流系统接地检测技术探讨

The technology discussion for earthing fault detector of direct current system

本文讲述了在直流系统上采用的接地检测新技术,用于对变电站及电厂的直流系统母线电压进行绝缘监视,对直流支路进行绝缘监视及对支路接地电阻进行测量,判断接地支路,准确查找接地点,以减少因直流系统异常而造成的电力系统故障。

This article describes the new earthing detecting technology of direct current system. It can supervise the direct current system bar voltage of the substation and power plant, measure the branch circuit's earthing resistance of the direct current bar, find the exact faulting place, reduce the current failure of the electric power system caused by the direct current system.