Application and Simulation of SVPWM in three phase inverter

J. Yingying, W. Xudong, Mao LiangLiang, Yan ShuCai, Zhang Haixing
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引用次数: 11

Abstract

Comparing with commonly used sine-wave pulse-width modulation(SPWM) method, Space Vector Pulse Width Modulation (SVPWM) method has higher utilization rate of DC voltage and smaller output waveform distortion. This article introduced SVPWM control technology into three-phase grid-connected inverter, created a main circuit mathematical model of three-phase grid-connected inverter and detailed the implementation of SVPWM modulation method with Matlab software. Through the establishment of a complete closed-loop system to simulate and research, giving the simulation waveforms and output grid-connected current waveform. The simulation results showed the advantages of SVPWM technique are more suitable for high-power applications.
SVPWM在三相逆变器中的应用与仿真
与常用的正弦波脉宽调制(SPWM)方法相比,空间矢量脉宽调制(SVPWM)方法具有更高的直流电压利用率和更小的输出波形畸变。本文将SVPWM控制技术引入到三相并网逆变器中,建立了三相并网逆变器主电路数学模型,并用Matlab软件详细实现了SVPWM调制方法。通过建立完整的闭环系统进行仿真研究,给出仿真波形并输出并网电流波形。仿真结果表明,SVPWM技术更适合大功率应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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