一种基于直流线路转换的高压直流功率反转控制方法  

An HVDC Power Reversal Control Method Based on DC Lines Conversion

作　　者：陈乐[1] 刘凯[1] 邹强 徐斌[1] 崔恒丰 CHEN Le;LIU Kai;ZOU Qiang;XU Bin;CUI Hengfeng(NR Electric Co.,Ltd.,Nanjing 211102,China;NARI Group Corporation(State Grid Electric Power Research Institute),Nanjing 211106,China)

机构地区：[1]南京南瑞继保电气有限公司,江苏南京211102 [2]南瑞集团有限公司(国网电力科学研究院有限公司),江苏南京211106

出　　处：《电工技术》2021年第23期49-51,54,共4页Electric Engineering

基　　金：国家自然科学基金青年科学基金资助项目(编号51607042)。

摘　　要：分析了现有的直流输电系统潮流反转方法的优缺点及实现原理,提出一种通过外部开关、刀闸实现线路极性转换的直流潮流反转控制方法,并对3种潮流反转方法进行了试验对比,验证了基于线路转换的潮流反转方法的高可靠性与安全性,且该方法大大缩短了直流闭锁时间,提高了系统执行效率。The advantages,disadvantages and implementation principle of the existing power flow reversal methods for DC transmission system are analyzed.A DC power flow reversal control method based on line polarity conversion through external switch and knife switch is proposed.Three power flow reversal methods are tested and compared to verify the high reliability and security of the power flow reversal method based on line conversion.This method greatly shortens the DC locking time and improves the execution efficiency of the system.

关 键 词：高压直流输电 潮流反转控制 线路转换 

分 类 号：TM762[电气工程—电力系统及自动化]