名词
中文翻译：欠压继电器
同义词：
['undervoltage relay', 'undervoltage switch']
例句：
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1.The under-voltage relay is designed to protect the electrical equipment from overheating during low voltage conditions.
欠压继电器的设计是为了在低电压条件下保护电气设备免受过热。
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2.In this circuit, the under-voltage relay senses the voltage drop and activates the backup power supply.
在这个电路中，欠压继电器检测到电压下降并激活备用电源。
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3.The under-voltage relay is crucial for maintaining the stability of the power grid during fault conditions.
欠压继电器对于维持电网在故障条件下的稳定性至关重要。