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K. Prameela
Z- Source Inverter based Dynamic Voltage Restorer for the Mitigation of Voltage Sag/Swell
Electrical & Electronics Engineering

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Z- Source Inverter Based Dynamic Voltage Restorer for the Mitigation of Voltage Sag/Swell K. Prameela; D. Vijay Kumar; B. Trinadha
International Journal of Applied Power Engineering (IJAPE) Vol 5, No 2: August 2016
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (801.921 KB) | DOI: 10.11591/ijape.v5.i2.pp87-94

Abstract

This paper uses super capacitor as the energy storage device for the DVR to compensate voltage sag, voltage swell and harmonics due to addition of nonlinear load in the distribution line. Based on this topology, DVR consist of super capacitor, z source inverter and injection transformer. Super capacitor produces the necessary dc voltage which is given as the input voltage to the z-source inverter; provide the necessary injecting voltage, which has to be restored. A new topology based on Z-source inverter is presented in order to enhance the voltage restoration property of dynamic voltage restorer. Z-source inverter would ensure a constant DC voltage across the DC-link during the process of voltage compensation. The modeling of Z-source based dynamic voltage restorer is carried out component wise and their performances are analyzed using MATLAB software
Co-Authors B. Trinadha D. Vijay Kumar