名词
中文翻译：过频继电器
同义词：
['over-relay', 'over-frequency relay']
例句：
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1.The overfrequency relay is used to protect the circuit from excessive current.
过频继电器用于保护电路免受过量电流的影响。
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2. In this case, the overfrequency relay was triggered by a sudden increase in power demand.
在这种情况下，过频继电器被触发是因为电力需求突然增加。
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3.The overfrequency relay helps to maintain stability in the electrical system during fault conditions.
过频继电器有助于在故障条件下维持电气系统的稳定。