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基于DSP和FPGA的三电平逆变器快速控制方法

作者:贾辰东,Boris L.Corral Martinez,胡长生,徐德鸿 日期:2008-11-03/span> 浏览:3272 查看PDF文档

基于DSP和FPGA的三电平逆变器快速控制方法

贾辰东,Boris L.Corral Martinez,胡长生,徐德鸿
(浙江大学 电力电子与电力传动研究所,浙江 杭州 310027)

摘要:在传统的三电平电压型逆变器空间矢量脉宽调制(SVPWM)控制算法基础上,结合“DSP+FPGA”,实现了一种快速的空间矢量调制算法,详细阐述了基于FPGA和DSP的硬件平台实现方法,实现了资源的最大化利用,提高了逆变器控制的快速性,为并网实验控制提供了更多资源。最后,通过仿真和实验结果对比验证了这一调制算法的可行性。
关键词:逆变器;三电平;空间矢量脉宽调制;数字信号处理器;现场可编程门阵列
中图分类号:TM464文献标识码:A文章编号:1001-4551(2008)10-0018-03

Fast control method in three-level inverter based on DSP and FPGA
JIA Chen-dong, Boris L. Corral Martinez, HU Chang-sheng, XV De-hong
 (Institute of Power Electronics and Electric Drive, Zhejiang University, Hangzhou 310027, China)
Abstract: Based on the traditional space-vector pulse width modulation(SVPWM) algorithm for three-level inverter, a fast SVPWM algorithm was realized by using a “DSP+FPGA” combination. With the control method, the new method was carried out based on FPGA and DSP. The maximum utilization of the resources was realized, the rapiditay of the inverter control was improved, the more resources were provided for the grid connected experiment. Finally, simulation and experimental results were compared. It shows high degree of concordance.
Key words: inverter; three-level; space-vector pulse width modulation(SVPWM); digital signal processing(DSP); field-programmable gate array(FPGA)
参考文献(References):
[1]李永东,肖曦,高跃.大容量多电平变换器[M].北京:科学出版社,2005.
[2]吴洪洋,何湘宁.多电平载波PWM法与SVPWM法之间的本质联系及其应用[J].中国电机工程学报,2004,24(8):51-55.
[3]CELANOVIC N, BOROYEVICH D. A comprehensive study of neutral-point voltage balancing problems in three-levels neutral point clamped voltage source PWM inverters[J]. IEEE Transactions on Power Electronics,2000,15(2):242-249.
[4]CELANOVIC N, BOROYEVICH D. A fast space-vector modulation algorithm for multilevel three-phase converters[J]. IEEE Trans. Ind. Applicat., 2001,37(2):637-641.
[5]POU J, PINDADO R, BOROYEVICH D, et al. Limits of the neutral-point balance in back-to-back connected three-level converters[J]. IEEE Transactions on Power Electronics,2004,19(3):722-731.
[6]薛法洪,陈其工,江明.基于DSP的双闭环SPWM逆变器研究[J].机电工程,2007,24(12):63-65.



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