发电厂220kV母差保护双重化改造方案讨论

Reformation of 220kV Duplex Bus Differential Protection in Power Plant

介绍了上海吴泾第二发电有限责任公司220kV母差保护双重化改造的基本方案,特别是对二次回路的改造作了简单介绍。阐述了改造中的一些基本原则,以及改造过程中出现的问题和解决方案。这为今后相似工程提供一些经验。

This paper introduces the reformation scheme for 220 kV duplex bus differential protection in Wujing No.2 Power Plant,and outlines the technology reformation scheme of the secondary circuit.Some basic principles of the technology reformation as well as the problems and their solutions are presented,which can be served as references for future projects.