地铁直流牵引供电系统保护配合的探讨

分析了地铁直流牵引供电系统保护的配置要求、原则 ,以及系统保护之间的配合关系。

Analyzes the adaptation requirement and principle of the protection devices for DC traction power supply system in subway,and the relation between the devices,and provides the factors for the design of DC protection system and the calcuation method of settings.