DC system protection 直流系统保护
DC power supply protection system 直流供电保护
DC pole protection system 直流极保护系统
strategy of dc system protection 直流系统保护策略
DC control and protection system 直流控制保护系统
DC circuit breakers are the most important protection equipments for DC power system.
直流断路器是直流供电系统中极其重要的保护设备。
DC system had to achieve, under-voltage protection and voltage show a combination of device integration is very high.
实现直流系统过、欠压保护及电压显示的组合，装置的集成度非常高。
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。
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