| 基于g-h坐标系SVPWM算法三电平PWM整流器的研究 |
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| 引用本文： | 符晓,伍小杰,于月森,姜小艳,葛娟.基于g-h坐标系SVPWM算法三电平PWM整流器的研究[J].电气传动,2009,39(6). |
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| 作者姓名： | 符晓 伍小杰 于月森 姜小艳 葛娟 |
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| 作者单位： | 中国矿业大学文昌校区信电学院,江苏,徐州,221008 |
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| 基金项目： | 中国矿业大学校青年科研基金 |
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| 摘 要： | 介绍了三相三电平二极管中点钳位型PWM整流器电路拓扑.详细分析了空间矢量脉宽调制(SVPWM)的基本原理,针对传统的复杂SVPWM算法,分析了一种基于g-h坐标系的简化SVPWM算法.这种方法在矢量选取和作用时间计算方面进行了简化,避免了大量三角函数的运算,可以应用到三电平及多电平SVPWM算法中.最后在Matlab仿真环境中建立了三相三电平PWM整流器的电压定向控制系统(VOC)的仿真模型,对三电平g-h坐标系SVPWM算法进行了仿真研究,仿真结果验证了该算法的有效性.
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| 关 键 词： | 三电平 脉宽调制整流器 空间矢量脉宽调制 g-h坐标系 |
Research on SVPWM Algorithm for Three-level PWM Rectifier Based on g-h Coordinate |
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| FU Xiao,WU Xiao-jie,Yu Yue-sen,JIANG Xiao-yan,GE Juan.Research on SVPWM Algorithm for Three-level PWM Rectifier Based on g-h Coordinate[J].Electric Drive,2009,39(6). |
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| Authors: | FU Xiao WU Xiao-jie Yu Yue-sen JIANG Xiao-yan GE Juan |
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| Affiliation: | School of Information and Electrical Engineering;China University of Mining and TechnologyWenchang Campus;Xuzhou 221008;Jiangsu;China |
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| Abstract: | The topology of three-phase three-level neutral-point-clamped PWM rectifier was presented.The basic principle of space voltage pulse width modulation was analyzed,and the algorithm based on g-h coordinates was proposed.The algorithm simplified vectors selecting and function time calculating.No trigonometric function computing is needed compared to the traditional SVPWM algorithm.It can be applied in three-level and multi-level SVPWM algorithm.Finally,the simulation of voltage oriented control(VOC) system fo... |
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| Keywords: | three-level pulse width modulation rectifier space voltage pulse width modulation g-h coordinates system |
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