时间继电器是一种利用电磁原理或机械原理实现延时控制的控制电器。
Time relay is a use of electromagnetic principle or mechanical theory to realize delay control control electric appliance.
大多数商业使用多个抽头的变压器开关稳压器在不加控制的时间继电器水龙头，从而产生电压尖峰！
Most commercial voltage regulators using multiple-tapped transformers switch taps with relays at uncontrolled times, thereby creating voltage spikes!
介绍了风机、水泵类负载起动时间大于15秒以上时，采用热继电器保护的方法，及控制线路在风机上应用的效果。
The article introduces detailedly the methods which are used to protect the hot relays when the fans and pumps loaded starting time is over 15 seconds.
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