继电器是保护系统的逻辑元件，它感知故障，并使断路器解扣电路带电和断路器打开触点。
Relays are the logic elements of a protection system which sense the fault and cause the circuit-breaker trip circuits to be energized and the breakers to open their contacts.
介绍在仿真变电站断路器控制回路仿真设计中，如何利用双位置继电器解决断路器机构触点仿真设计的问题。
It is described in this paper that how to use two-position relay to solve simulation design of contact of CB in control circuit of simulation substation.
电触点及其制造方法，用于真空断续器的电极，以及真空断路器。
Electrical contact, method of manufacturing the same, electrode for vacuum interrupter, and vacuum circuit breaker.
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