The rapid protection circuit has many advantages in rapid response, simple structure and convenient adjustment.
这种快速保护电路具有响应快、结构简单、调试方便等众多优点。
So it should play a role in automatic adjustment, safety protection, conversion circuit.
故在电路中起着自动调节、安全保护、转换电路等作用。
It adopts SCR with large power to establish the voltage adjustment circuit, so the AC motor can be started with low voltage.
它采用大功率的SCR组成电压调节电路，这样交流电动机就可以低压起动。
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