直流断路器在特高压直流输电中的应用

Application of DC Circuit Breaker in UHVDC Transmission Project

介绍了直流断路器开断的技术难点以及高压直流工程中使用的直流断路器的工作原理、组成结构。针对特高压直流输电工程中双极换流站直流断路器的配置原则与运行方式的转换进行综述,展望了特高压直流断路器在工程中的应用。

This paper introduces the working principle, composition structure of DC circuit breaker used in HVDC engineering as well as its technical difficulties in inten＇upting course, makes a review on the allocation principle as well as operation mode of the DC circuit breaker in bipolar converter station for UHVDC transmission project, and gives a prospect that the DC circuit breaker may be used in the UHVDC project.