母线保护技改中双失灵启动回路的应用

Analysis of the application of duplex breaker fail protection circuit in bus differential protection innovation

文章分析了220kV母线保护双重化技改中的关键问题——双失灵启动回路,介绍了实施应用情况。

This paper presents an analysis of the application of bus differential protection in 220kV duplex breaker fail protection circuit, which is a key problem in duplex bus differential protection innovation, thus to provide some references for the same kind of work in the industry.