基于SVPWM的变频系统分析设计  

Research on frequency converter system based on SVPWM

作　　者：张珍敏[1] 赵军红[1] 吕永庆[1] 

机构地区：[1]第二炮兵工程学院,陕西西安710025

出　　处：《电气传动自动化》2009年第6期23-26,共4页Electric Drive Automation

摘　　要：介绍了空间电压矢量脉宽调制(SVPWM)变频的基本原理及其实现方法。详细分析了电压矢量与磁链矢量之间的内在联系。利用Matlab/Simulink实现了对该系统的仿真。结果表明,该系统具有直流电压利用率高、开关损耗小、转矩脉动小的优点。最后介绍了以TMS320LF2407为控制核心的硬件实现方法。The basic theory and the realization method of space vector PWM are introduced.The relationship between space voltage vector and flux vector is analyzed in details.The simulation testing is carried out through Matlab/Simulink.The experimental results show that the system has advantages of higher capability of DC voltage,low switching loss and pulsatile torsion.Based on DSP controller TMS320LF2407,the method of design hardware system is introduced at last.

关 键 词：SVPWM 变频 空间电压矢量 开关损耗 仿真 

分 类 号：TM921.51[电气工程—电力电子与电力传动]