同塔双回直流线路故障选线方法

Fault-line Selection Method for Double-circuit HVDC Line on the Same Tower

故障选线研究是同塔双回直流线路保护的重要组成部分,准确判断出故障线路有助于运维人员快速处理故障,有效保障直流系统安全稳定运行。本文提出的一种同塔双回直流线路故障选线方法,并对搭建的同塔双回直流输电系统进行数字仿真试验,验证了本文所提故障选线方法的有效性。

Fault-line selection research is an important part of the protection of double-circuit HVDC line on the same tower.Accurately determining the faulty line will help the operation and maintenance personnel to quickly deal with the fault and effectively ensure the safe and stable operation of the HVDC system.This paper proposes a fault-line selection method for double-circuit HVDC line on the same tower,and conduct digital simulation experiments on the built double-circuit HVDC transmission system on the same tower,which verifies the effectiveness of the fault line selection method proposed in this paper.