地铁直流牵引供电系统的英文

d.c.traction power supply system for subway

• 地铁:    metro; the subway; ...
• 直流:    direct-current; co ...
• 牵引:    tow; drag; draw; h ...
• 供电系统:    power-supply syste ...

例句与用法

1. After analyzing several kinds of protection for feeder line in subway dc traction power supply system , it is pointed out in the paper that the phenomena of refusing action and error action can not be avoided with existing protection which can not protect the whole feeder line
   摘要分析了地铁直流牵引供电系统中几种常用的馈线保护类型，发现现有的保护方法很难避免跳闸保护拒动或误动现象的发生，并且不能保护馈线的全长。