名词
中文翻译：残余继电器
同义词：
['residual circuit breaker', 'residual current limiter']
例句：
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1. The residual relay was designed to protect the system from faults.
残余继电器被设计来保护系统免受故障影响。
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2.In this scenario, the residual relay is activated when a fault occurs.
在这个场景中，当发生故障时，残余继电器会被激活。
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3.The residual relay is crucial for maintaining the stability of the power grid during emergencies.
残余继电器在紧急情况下对维持电网稳定性至关重要。