一种新型空间矢量PWM技术及其数字化实现  

A Novel Space Vecter PWM Technology and its Digital Realization

作　　者：严青[1] 万叔芸 张晓光[1] 王离九 

机构地区：[1]华中理工大学

出　　处：《电气传动》1995年第6期18-21,共4页Electric Drive

摘　　要：本文基于空间矢量脉宽调制的思想。提出了一种优化一次磁链轨迹的高频劈零矢量脉宽调制理论,并以80C196KC单片机为依托加以实现,形成了一种便于数字控制的实用劈零矢量脉宽调制方法。理论分析与实验结果表明:该实用方法有效地改善了电机电流波形,清除了频率噪音。由它构成的调速系统可获得宽广的调速范围,不失为有效而优越的数字式脉宽调制方法。A Novel high frequency splitting zero vector PWM method with flux locus optimization based on the principle of space vector PWM has been discussed in this paper. Then a practical schedule which is available for digital control of 80C196KC single chip microprocessor has been presented. Theortical analysis and experimental results show that proposed method can improve current waveform and eliminate frequency noise validly.

关 键 词：脉宽调制 变频调速 数字控制 电动机 

分 类 号：TM921.51[电气工程—电力电子与电力传动]