基于PAD图的牵引供电系统保护图形化平台研究 关键词：PAD； 图形化； 牵引供电系统；微机保护 [gap=848]Key words： PAD； visual； traction supply system ； microcomputer·based protection
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ac traction supply system 牵引供电系统
dc traction supply system 直流牵引供电系统
DC traction power supply system 直流牵引供电系统 ; 直流牵引系统
Traction Power Supply Automatic System 牵引供电自动化系统
The principle of the relay protection of multi-car's DC traction supply system and the several DC feeder protection methods were presented.
介绍了地铁直流牵引供电系统保护的原理，和所采用的几种直流馈线保护方法。
The protection of feeder line in DC traction supply system is based on microcomputer, which is used to control and protect the high-speed circuit breakers.
直流牵引供电系统的馈线保护以微处理器为基础，用来完成对直流快速断路器的控制和保护。
The security is the most important thing of the whole public traffic system. Hence, the relay protection study of multi-car's DC traction supply system is significant.
公共交通的安全性是衡量整个系统的首要因素，因此，研究多车直流牵引供电系统继电保护具有重要意义。
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