有风扇运转、警报、跳脱三种继电器。

Three relays: Fan Operation, Alarm, Skip.

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如果一台发电机组没有运转，并且没有逆功率继电器保护，运转的机组就会驱动这个机组，这台机组上的发电机则变成电动机运行。

If one set stops and reverse power protection is not provided, the set still running will drive the set that has stopped. The generator on the set that has stopped will act as a motor.

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这些继电器通过专利的脉冲变压器技术进行运转，提供了机电式继电器和固态光电耦合器的许多优点。

These relays operate through a patented pulse transformer technology that offers numerous advantages over electromechanical relays and solid-state optocouplers.

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