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.
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。
The possibility that a circuit breaker may fail to perform its function, when instructed to do so, is higher than for protection and trip circuit.
这样做以后，断路器失灵的可能性高于保护和跳闸回路失灵的可能性。
This paper conducts a thorough research to the problem of short circuit override trip and inaccurate leakage protection action mainly existing in HV flameproof switchgear comprehensive protection.
针对煤矿高压防爆开关综合保护装置主要存在的短路故障越级跳闸和漏电保护动作不准确的问题进行了深入的研究。
This paper conducts a thorough research to the problem of short circuit override trip and inaccurate leakage protection action mainly existing in HV flameproof switchgear comprehensive protection.
针对煤矿高压防爆开关综合保护装置主要存在的短路故障越级跳闸和漏电保护动作不准确的问题进行了深入的研究。
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