摘要
故障的快速隔离与恢复是保障直流配电网供电可靠性的关键问题,利用具有故障自清除能力的换流器和隔离开关配合实现故障电流的阻断与隔离是直流配电网的重要发展方向之一。文中从继电保护与故障定位、故障隔离及故障恢复3个方面,针对采用阻断型换流器的直流配电网故障处理技术的研究现状进行了归纳和总结,梳理了采用阻断型换流器的直流配电网故障处理技术存在的问题和难点,并对该研究方向的关键技术发展趋势进行了展望。
The isolation and recovery of faults are the key issues to guarantee the supply reliability in the DC distribution network.Using converters with fault clearance capability and isolating switches to achieve fault current blocking and isolation has become an important development direction of DC distribution network. From the three aspects of protection technology and fault location,fault isolation and fault recovery, this paper summarizes the research status of fault processing technology based on blocking converters in DC distribution network. Finally, the difficulties of fault processing technology and the development trend of key technologies based on blocking converters in the DC distribution network are sorted out.
作者
李博通
杨昕陆
李斌
吕慧婕
LI Botong;YANG Xinlu;LI Bin;LYU Huijie(Key Laboratory of the Ministry of Education on Smart Power Grids(Tianjin University),Tianjin 300072,China)
出处
《电力系统自动化》
EI
CSCD
北大核心
2020年第5期101-113,共13页
Automation of Electric Power Systems
基金
国家重点研发计划资助项目(2018YFB0904600)
国家自然科学基金资助项目(51677125)。
关键词
阻断型换流器
继电保护
故障定位
故障隔离
故障恢复
blocking converter
relay protection
fault location
fault isolation
fault recovery
