广义不连续空间矢量算法的研究与谐波分析  

Study on Generalized Discontinuous PWM Algorithm and Harmonic

作　　者：周熙炜[1] 刘卫国[1] 郎宝华[1] 宋科[1] 

机构地区：[1]西北工业大学,陕西西安710072

出　　处：《微特电机》2007年第11期5-7,共3页Small & Special Electrical Machines

摘　　要：在分析了SVPWM原理的基础上,详细介绍了广义的不连续空间矢量DPWM算法及其在S imu link环境下实现的方法,并且对SVPWM、四种DPWM算法的相电压调制波和逆变器输出线电压的谐波特征进行了比较分析,最后将DPWM应用于异步电动机调速系统,仿真结果验证了方法的可行性。Based on the analyses of the SVPWM principles, the generalized discontinuous space vector modulation （DPWM） algorithm and its realization methods were introduced in detail. The harmonic of phase voltage modulation wave of SVPWM and four sorts of DPWM were analyzed. Furthermore, the harmonic characteristics of inverter output llne voltage controlled by two DPWM strategies are compared. In the end,the simulation results of asynchronism machine speed control system using DPWM technology were shown.

关 键 词：SVPWM DPWM 异步电动机 谐波 SIMULINK 

分 类 号：TM343[电气工程—电机]