基于CD4046的新型频率跟踪移相PWM控制电路研究  

Study on New Frequency-Tracking Phase-Shifting PWM Control Circuit Based on CD4046

作　　者：王跃球[1] 唐杰[1] 

机构地区：[1]邵阳学院信息与电气系,邵阳422000

出　　处：《船电技术》2006年第6期25-28,共4页Marine Electric & Electronic Engineering

基　　金：湖南省教育厅资助科研项目(06C603)

摘　　要：结合几种频率跟踪移相PWM控制技术的优点,提出了一种基于CD4046的新型频率跟踪移相PWM控制电路,并对电路的工作原理进行了详细的分析,给出了电路参数的计算方法;该电路能满足电源输出功率调节的要求。与其它频率跟踪移相PWM控制电路相比,该电路具有电路简单、工作稳定可靠等优点。Combing the merits of several frequency-tracking phase-shifting P WM control circuits. A new circuit based on CD4046 is proposed. The operation principle of the circuit is analyzed in detail, and the calculation method for the parameter of the circuit is presented. Compared with other frequency-tracking phase-shifting P WM control circuits, the circuit features simple layout, stable and reliable operation, and can meet the requirements of the output power regulating of the power source..

关 键 词：CD4046 频率跟踪 PWM控制 

分 类 号：TP23[自动化与计算机技术—检测技术与自动化装置]