特高压直流输电保护出口联锁回路研究  

Research and Improvement on Outlet Interlocking Circuit of DC Protection in Yunguang UHVDC Project

作　　者：王彦宾 张绍军 杨广羽 肖红帅 

机构地区：[1]许继电气股份有限公司,河南许昌461000

出　　处：《云南电力技术》2014年第5期35-37,共3页Yunnan Electric Power

摘　　要：对换流站分系统"继电器半亮"的问题进行了深入的分析研究,测试了出口联锁回路中所使用的各种继电器的导通特性,详细分析了各种情况下,闭锁继电器能否正常闭锁出口回路及TDC的出口继电器是否会产生误动,并提出了改进方案。通过本研究有助于了解直流保护的出口联锁回路.This paper mainly studied the “relay semi-bright”, Firstly, the conduction characteristics of the various relays in the outlet interlocking circuit was tested.econdly,it was discussed whether the interlocking relays could normal block the tripping cir-cuit and whether the outlet relays could misoperation in various situations？ At last, the improvement scheme was putted forward？This study contributed to the thorough understanding the outlet interlocking circuit of DC Protection.

关 键 词：特高压直流输电 联锁 继电器半亮 

分 类 号：TM721.1[电气工程—电力系统及自动化]