The paper introduced the effect of neutral wire the harm of open circuit and a kind of simple credible open circuit protection method.
介绍了在三相四线制供电系统中，中线的作用，断线的危害，以及一种简单可靠的断线保护电路。
The chip has internal short circuit protection, open circuit protection, lightning strike protection and thermal shutdown protection circuits.
芯片内设的短路保护、开路保护、雷击保护、过温保护等电路可保证收发器在恶劣的应用环境下正常工作。
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。
Particularly designed constant current driver for open or short circuit protection.
通过特别设计的恒流驱动器为开路或短路保护。
Temperature control circuit, in the case of low water temperature, can cut off the drive power protection device, in the case of high water temperature, open the cooling fan cooling.
水温控制电路，能在水温低的情况下，能切断驱动电源保护装置，在水温高的情况下，开启散热风扇散热。
Based on the analysis of main fault types of LV (Low Voltage) flameproof motor, the negative sequence protection principle is proposed for its asymmetric short circuit fault and open phase fault.
通过分析低压隔爆电动机的主要故障类型，针对不对称性短路故障和断相故障提出了采用负序保护原理进行保护的方案。
Open lamp circuit protection: latch-off within 1 second.
输出开灯线路保护：1秒钟内自动保护；
To help enhance safety, products offer optional finger-safe, see-through covers, an Ingress Protection 20-rating that includes lockout/tag out capabilities and open circuit indication.
为了帮助提高安全性，产品提供可选的手指安全，可透视的盖子，以及包含锁定/标签能力和开路指示功能的20等级的防尘防水保护。
The phase-failure protection can be widely used in the electrical equipment without open-phase protection to make the control part free of the unnecessary damage of the open circuit failure.
此断相保护装置可广泛应用于无缺相保护的电气设备中，使设备控制部件免于遭受断路故障的不必要的损坏。
Current CNC machines are provided with a positive control limitation protection device, then it is likely to happen malfunction due to its open circuit.
现有数控机床的限位保护装置普遍采用的控制方式是正逻辑控制，这种控制方式可能因线路开路而产生限位失灵现象。
It has open circuit, short circuit protection, temperature compensation.
它有开路、短路、温度补偿保护。
It has open circuit, short circuit protection, temperature compensation.
它有开路、短路、温度补偿保护。
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