可控硅控制的一半施加到其的交流电流的正周期。
The SCR controls half of the positive cycle of alternating current applied to it.
并以双向可控硅控制的三相异步电机为例，进行了具体计算。
As an example, calculations are made for the three phase induction motor controlled by the bidirectional triode thyristor.
介绍了由单片机控制的可控硅电路，该电路运用外部中断获得同步信号，用定时器做导通角控制，并给出实用程。
The controllable silicon circuit controlled by monolithic microcomputer is introduced, which adopts external interrupt to obtain sync signals and controls conducting angel with a timer.
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