介绍一种高精度数学晶闸管触发器，它基于锁相环同步，适用于双反星形整流电路，并已成功地应用于晶闸管弧焊电流微机控制系统。
Digital thyristor Trigger of High Accuracy is introduced, which is based on phase locked loop synchronization and suitable for dual antistar rectification circuit.
锁相环路是完成两个电信号相位同步的反馈控制系统，适宜于变流装置的同步触发电路之中。
The phase lock loop is a feedback control system that makes two telecommunication signals' phase synchronization, suitable to the synchronous trigger circuit of the convertor device.
由于采用了锁相环同步电源，使触发精度和对称度达到0.7~0，且工作可靠。
The trigger, the accuracy and symmetry of which can reach0.70, operates reliably.
由于采用了锁相环同步电源，使触发精度和对称度达到0.7~0，且工作可靠。
The trigger, the accuracy and symmetry of which can reach0.70, operates reliably.
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