特高压多端直流工程龙门换流站直流控制保护系统分析  

Analysis on DC Control and Protection System of Longmen Converter Station in UHV Multi-Terminal DC Project

作　　者：朱云峰[1] 陈越[1] 黄维[1] ZHU Yunfeng;CHEN Yue;HUANG Wei(Guangzhou Bureau of China Southern Power Grid Co.,Ltd.,EHV Transmission Company Guangzhou,Guangzhou 510405,China)

机构地区：[1]中国南方电网有限责任公司超高压输电公司广州局,广东广州510405

出　　处：《通信电源技术》2020年第21期69-71,76,共4页Telecom Power Technology

摘　　要：乌东德特高压三端混合直流工程是送端为8000 MW的常规直流,受端1(广东侧)为5000 MW的柔性直流,受端2(广西侧)为3000 MW柔性直流的特高压多端混合直流。鉴于此,主要针对其运行工况进行控制保护策略研究,介绍龙门换流站直流控制保护的配置和功能,并与南方电网其他直流工程进行对比分析,研究了龙门换流站直流控制保护的可靠性,为后续直流工程控制保护系统的设计以及运维策略的制订提供参考。The UHV three-terminal hybrid DC project in Wudongde is an UHV multi-terminal hybrid DC with a conventional DC feed end of 8000 MW,a flexible DC feed end of 5000 MW at the receiver end 1(the east side of Guangzhou)and a flexible DC feed end of 3000 MW at the receiver end 2(the west side of Guangzhou).The control and protection strategy is mainly studied according to its operating conditions.This article introduces the configuration and functions of the DC control and protection of the Longmen converter station,and compares and analyzes it with other DC projects of China Southern Power Grid.The reliability of the DC control and protection of the Longmen converter station is studied,and the design and Provide reference for the formulation of operation and maintenance strategy.

关 键 词：特高压 多端直流 控制保护 

分 类 号：TM7[电气工程—电力系统及自动化]