名词
中文翻译：相位过电压继电器
同义词：
['phase-over relay', 'phase-over protection relay']
例句：
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1. Thephase-under-voltage relay is used to protect the power grid from overloads.
相位过电压继电器用于保护电网免受过载。
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2. During a fault, the phase-under-voltage relay will trip to prevent damage to the equipment.
在故障时，相位过电压继电器会跳闸以防止对设备造成损害。
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3. The phase-under-voltage relay is an essential component in the electrical system for detecting and isolating faults.
相位过电压继电器是电力系统中检测和隔离故障的必备组件。