摘要
由于同步信号受电网谐波的干扰，常使微机控制的中频感应加热电源不能正常运行。采用对相位和频率跟踪无相差的数字锁相环对同步信号进行处理可满意地解决上述问题。本文分析了无相差锁相环的原理和设计方法，并给出了实验结果。
A medium frequency induction heating power source controlled by the microprocessor can not be run normally,In case its synchronous signals are disturbed by the harmonic from common network.After the signals treated by a digital phase locked loop of zero phase-difference when phase and frequency following,this problem has satisfactorily been solved.In this paper the working princi-ple and desiging method of which phase locked loop are discussed the experimental resuIts are given also.
出处
《工业加热》
CAS
1995年第5期10-12,17,共4页
Industrial Heating
关键词
感应加热炉
中频电源
锁相环
应用
微机
induction heating furnace, medium frequncy power source,phase locked loop,syn-chronous signal
