正弦波脉宽调制变压变频器的分析  

Analysis of sinusoidal pulse width modulation variable voltage variable frequency

作　　者：金明华[1] 

机构地区：[1]黑龙江科技学院,黑龙江鸡西158105

出　　处：《煤矿机械》2003年第5期64-65,共2页Coal Mine Machinery

摘　　要：在各种异步电机调速系统中 ,效率及性能最好的系统是变压变频调速系统。介绍了实现变压变频调速控制的方法 ,正弦波脉宽调制的基本原理。The best system of efficiency and function are becoming the pressure frequency conversion velocity modulation system in the various asynchronous electrical machinery velocity modulation system.This article was introduced realizes one of method that becomes pressure frequency conversion velocity modulation control,and the basic principle and merit of sine wave pulse duration modulation and his are controlled the method.

关 键 词：异步电机 调速系统 效率 性能 脉幅调制 正弦波脉宽调制 

分 类 号：TM343[电气工程—电机]