The hardware circuit is simple, and it has strong reliance and anti-interference ability, which is a kind of ideal SCR trigger.
硬件电路简单，可靠性高，抗干扰能力强，是一种比较理想的晶闸管触发装置。
In this background, with the application of CPLD in V-M System, a digital SCR trigger circuit with phase shifting is developed which is absolutely different from the former ones.
在此背景下，本次设计将CPLD引入到V-M系统中，开发出与以往脉冲产生方式相区别的数字式移相触发电路。
The principle is that the system adjustment signals are changed into shift-pulses via a timer so as to trigger SCR for three-phases full-controlrectification.
共原理为将系统调节信号经定时器转换为移相脉冲串去触发可控硅进行三相全控整流。
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