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 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.
断路器在输电电压下的快速开断对输电系统是明显有利的。
Faster interruption of circuit breakers in the transmission voltage offers significant advantage to the transmission system.
分析研究了国内外快速真空断路器的研究现状，提出现有设计方案中可能存在的操纵机构效率及可靠性较低等问题。
The research status of quick vacuum circuit breakers at home and abroad is analyzed, and the problems such as low efficiency and reliability of existing control mechanism are put forward.
这种要求已促使研制出具有不仅能快速分闸而且也能快速重合闸的断路器操动机构。
This requirement has brought about the development of breaker operating mechanisms that are not only high-speed opening, but are also high-speed reclosing.
试验研究证实：氧化锌限流元件串联放电间隙能够在断路器动作之前，快速截断工频续流。
The test results in this paper show that ZnO arrestor unit with a series gap for transmission lines is able to cut off power frequency current quickly before the circuit breaker operate.
摘要：介绍了失灵保护切除断路器内部故障的危害，提出了系统需要快速的断路器内部故障保护的论断。
ABSTRACT: This paper introduces the disadvantages of using failure protection to clear beaker's inter fault, proposes that the system need a faster breaker's inter relay.
摘要：介绍了失灵保护切除断路器内部故障的危害，提出了系统需要快速的断路器内部故障保护的论断。
ABSTRACT: This paper introduces the disadvantages of using failure protection to clear beaker's inter fault, proposes that the system need a faster breaker's inter relay.
应用推荐