中高压直流断路器的研究与应用  

Research and Application of Medium Voltage and High Voltage DC Circuit Breaker

作　　者：范兴明[1] 李涛 张鑫[1] FAN Xingming;LI Tao;ZHANG Xin(School of Mechanical and Electrical Engineering,Guilin University of Electronic and Technology,Guilin 541004,China)

机构地区：[1]桂林电子科技大学机电工程学院,桂林541004

出　　处：《高电压技术》2024年第6期2537-2553,共17页High Voltage Engineering

基　　金：国家自然科学基金(61741126);广西自然科学基金(2022GXNSFAA035533)。

摘　　要：多端直流系统及直流电网是未来柔性直流输配电系统的发展方向,其安全可靠稳定运行需要有直流断路器作为保障。虽然国内外研究人员提出了各种直流断路器技术方案,但目前市场上能够满足实际工程应用的直流断路器产品仍十分缺乏。该文对直流断路器的研究工作进行了梳理。首先,分析了不同技术方案采取的换流方式及性能,并介绍了直流断路器中的核心组件及其驱动保护。其次,对各类型的直流断路器拓扑结构进行了总结,并归纳出改进优化的方向。最后,对直流断路器研制的关键技术与未来的发展趋势进行了讨论和总结,为中高压直流断路器研制与应用提供参考。Multi-terminal systems and DC networks are the future development direction of flexible DC transmission and distribution systems,and their safe,reliable and stable operation requires that DC circuit breakers act as a guarantee.Although researchers both at home and overseas have proposed various technical solutions for DC circuit breakers,DC circuit breaker products still lack in the market that can meet the actual engineering applications.The research on DC circuit breakers is systematically reviewed in the paper.Firstly,the commutation methods and performance of different technical solutions are analyzed,and the core components of DC circuit breakers and their driving protection are introduced.Secondly,the topology structures of various types of DC circuit breakers are summarized,and directions for improvement and optimization are outlined.Finally,the key technologies for the development of DC circuit breakers and future trends development are discussed and summarized,aiming to provide a reference for the development and application of medium and high-voltage DC circuit breakers.

关 键 词：直流电网 直流断路器 换流方式 核心组件 拓扑结构 

分 类 号：TM561[电气工程—电器] TM721.1