Z-Source Inverter based Dynamic Voltage Restorer

S. Torabzad, E. Babaei, M. Kalantari
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引用次数: 31

Abstract

In this paper, a new topology is proposed for Z-Source Inverter (ZSI) based Dynamic Voltage Restorer (DVR) which is fed through a source side shunt rectifier. In the proposed system, the size of energy storage element is decreased in compare with the conventional systems where the rating of located power electronics devices is less than the systems using ZSI or boost choppers. The proposed system is able to compensate long and significantly large voltage sags and can acceptably reduce the downstream fault current. The proposed system is simulated in PSCAD/EMTDC and the results show the correct operation of the system.
基于z源逆变器的动态电压恢复器
本文提出了一种基于z源逆变器(ZSI)的动态电压恢复器(DVR)的新拓扑结构,该拓扑结构通过源侧并联整流器馈电。在提出的系统中,与传统系统相比,储能元件的尺寸减小,其中定位电力电子设备的额定值小于使用ZSI或升压斩波器的系统。所提出的系统能够补偿长时间和显著的大电压跌落,并可以接受地降低下游故障电流。该系统在PSCAD/EMTDC中进行了仿真,结果表明系统运行正常。
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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