一种基于PWM控制的高性能单相变频器设计  

Design of High-performance Single-Phase Frequency Converter based on PWM Controlling

作　　者：王洪诚[1] 仇芝[1] 李红伟[1] 罗敏[1] 

机构地区：[1]西南石油大学,四川成都610500

出　　处：《电力电子技术》2006年第5期87-89,共3页Power Electronics

基　　金：四川省高校重点实验室"测控技术与自动化"基金资助项目(Sc053238)~~

摘　　要：通过对某国家重点实验室进口设备所配套的单相电容电动机电源的改造,介绍了一种基于PWM控制的高性能单相变频器。该变频器采用特定的谐波消除方法,生成PWM开关控制信号,使单相交流电源电压基波含量高f、/u变化范围宽,基本消除了低次谐波。详细介绍了各单元电路的设计方法,通过实验和试用证明,变频器输出电压稳定,满足了对实验设备的性能要求。In order to reform an electronic power of single-phase condenser motor for one imported instrument in certain state key laboratory,this article introduces a design of high-performance single-phase frequency converter based on Pulse Width Modulation （PWM）.This frequency converter uses a specific method to eliminate harmonic wave,and produces one PWM switching control signal.The control of PWM switching command signal makes the high content fundamental wave of single-phase AC power supply ,wide variation range of flu, and basically eliminates the low order harmonic wave.This paper describes each design method of element circuit in detail.The experimentation and probation indicated that this frequency converter got steady output voltage and satisfied the needs of laboratory instrument.

关 键 词：变频器/脉宽调制 单相电机 

分 类 号：TM464[电气工程—电器] TN773[电子电信—电路与系统]