Simplified Sinusoidal Pulse Width Modulation of Cross-switched Multilevel Inverter

Sheikh Tanzim Meraj, Law Kah Haw, A. Masaoud
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引用次数: 11

Abstract

Multilevel inverters (MLIs) are playing a major role in every sector of power industries, which is growing significantly over the years. Although multilevel inverters are highly applicable, they have some stern disadvantages that need to be dealt with. Some of the most common issues of MLIs include high usage of electric components, highly complex modulation techniques, presence of harmonics and so on. By keeping all these issues into mind, this paper investigates a single phase cross-switched MLI using abridged electric components. Furthermore, it has described a novel and simplified method of implementing sinusoidal pulse width modulation (SPWM) technique. The investigated MLI and the proposed modulation technique is validated by following both simulation and hardware approach. The simulation is performed using MATLAB Simulink software while the hardware prototype of the whole topology is built using TMS320F28335 digital signal processor (DSP) board.
交叉开关多电平逆变器的简化正弦脉宽调制
近年来,多电平逆变器(mli)在电力工业的各个领域发挥着重要作用。虽然多电平逆变器非常适用,但它们有一些严重的缺点需要处理。mli的一些最常见的问题包括电子元件的高使用率,高度复杂的调制技术,谐波的存在等等。考虑到这些问题,本文研究了一种采用桥接电气元件的单相交叉开关MLI。此外,它还描述了一种新的和简化的方法来实现正弦脉宽调制(SPWM)技术。通过仿真和硬件验证了所研究的MLI和所提出的调制技术。利用MATLAB Simulink软件进行仿真,并利用TMS320F28335数字信号处理器(DSP)板构建整个拓扑的硬件样机。
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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