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首页> 外文会议>IEEE International Conference on Power Electronics, Drives and Energy Systems >Control of seven level cascaded H-Bridge inverter by hybrid SPWM technique
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Control of seven level cascaded H-Bridge inverter by hybrid SPWM technique

机译：混合SPWM技术控制七级串联H桥逆变器

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Multilevel inverter technology has emerged recently as a very important alternative in the area of high power energy control. Number of topologies have been introduced and widely used in drive applications. Among these topologies, the cascaded H-Bridge inverter is used in this paper because of its advantages over other topologies. Different control techniques are available to control these inverter such as selective harmonics elimination (SHE), space vector modulation (SVM), sinusoidal pulse width modulation (SPWM), etc. The SPWM control techniques is categorized as phase shifted SPWM technique and level shifted SPWM such as phase opposition disposition(POD), in phase disposition (IPD), alternate phase opposition disposition (APOD) techniques. This paper presents a control of seven level cascaded H-Bridge inverter by Hybrid SPWM (Combination of phase shifted and level shifted) technique. In this paper special attention is given to the THD at the output of the inverter using hybrid SPWM technique. Simulation results using PSIM software and its hardware implementation and results are presented and discussed together.
机译：最近，多电平逆变器技术已经成为大功率能量控制领域中非常重要的替代方案。已经引入了许多拓扑，并在驱动器应用中广泛使用了这些拓扑。在这些拓扑中，本文使用级联H桥逆变器是因为它具有优于其他拓扑的优点。可用不同的控制技术来控制这些逆变器，例如选择性谐波消除（SHE），空间矢量调制（SVM），正弦脉冲宽度调制（SPWM）等。SPWM控制技术分为相移SPWM技术和电平移位SPWM。例如相衬处理（POD），相衬处理（IPD），交替相衬处理（APOD）技术。本文提出了一种通过混合SPWM（相移和电平转换的组合）技术控制七级级联H桥逆变器的方法。在本文中，对使用混合SPWM技术的逆变器输出端的THD给予了特别关注。一起介绍和讨论了使用PSIM软件及其硬件实现和结果的仿真结果。

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