摘要
传统空间电压矢量脉冲宽度调制(SVPWM)算法存在算法结构复杂以及运算量大等问题,提出了一种基于120°坐标系下的新型SVPWM算法。该算法通过坐标变换得到空间电压矢量在120°坐标系下的坐标,经过简单的四则运算和逻辑判断,就能够快速准确地得到电压空间矢量所在的扇区和基本矢量的作用时间。仿真及实验结果表明,该算法具有结构简单、程序执行周期短和占用内存小等特点,从而能有效减小SVPWM算法对控制器运算性能的要求。
In order to avoid the problems of structure complexity and complicated computation of traditional algorithm,a new space vector pulse width modulation(SVPWM)algorithm based on 120°coordinates is put forward.The coordinates of voltage space vector in 120°is obtained with this algorithm through coordinate transformation.By simple four arithmetic operations and logical judgments,the section of voltage space vector and the operating time of the basic vectors can be obtained quickly and accurately.The results of simulation and experiment indicate that the new SVPWM algorithm has the advantages of simple structure,short operational cycle and small memory occupation,which can effectively reduce the requirements of computational performance of the controller when using SVPWM algorithm.
作者
王旭东
赵奋祥
陈磊
柳忠
刘瑶勋
WANG Xudong;ZHAO Fenxiang;CHEN Lei;LIU Zhong;LIU Yaoxun(College of Electrical and Electronic Engineering,Harbin University of Science and Technology,Herbin 150080,China)
出处
《电气应用》
2019年第8期26-33,42,共9页
Electrotechnical Application
基金
电动汽车交直流一体智能充电桩及其高性能线缆的研发和应用(2016B010135001)
