恒频电流跟踪PWM AC/DC变流器基准正弦电路的设计  

Design of a reference sinusoidal circuit of the PWM AC/DC converter with fixed switching frequency

作　　者：屈莉莉[1] 杨兆华[1] 吴茂[1] 

机构地区：[1]佛山科学技术学院自动化系,广东佛山528000

出　　处：《电测与仪表》2003年第9期16-18,共3页Electrical Measurement & Instrumentation

摘　　要：基准正弦电路对恒频电流跟踪PWM AC/DC变流器的可靠工作起着极其重要的作用。本文研究了一种采用数字化技术,实现与电网电压同步的基准正弦电路的原理,给出了电路关键参数的设计原则。电路简单实用,在实际应用中取得了良好的使用效果。It is important that the reference sinusoidal circuit in ensuring reliable operation of PWM AC/DC converter with fixed switching frequency.A reference sinusoidal circuit based on digital technique and synchronous with the line voltage is investigated.The design principle of the key circuit parameters is given.The circuit is simple and practical,a good effect is obtained in practice.

关 键 词：AC/DC变流器 基准正弦电路 恒频电流跟踪 PWM 设计 

分 类 号：TM46[电气工程—电器]