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Volume 4 Issue 11
eISSN: 2349-5162

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Z-Source Inverter Based DVR for Voltage Sag/Swell Mitigation

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Power quality is one of the major concerns in the era of power system. Failures due to disturbances like voltage sag, swell and interruption create high impact on production cost. Inorder to overcome this problem Dynamic Voltage Restorer is used, which eliminates voltage sag and swell in the distribution line. The DVR is a dynamic solution for protection of critical loads from voltage sags/swells. The DVR helps to restore constant load voltage and voltage wave form by injecting an appropriate voltage. 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 ensures 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.

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Z-Source Inverter, Dynamic Voltage Restorer, Pulse Width Modulation, Total Harmonic Distortion

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"Z-Source Inverter Based DVR for Voltage Sag/Swell Mitigation ", International Journal of Emerging Technologies and Innovative Research ( | UGC and issn Approved), ISSN:2349-5162, Vol.4, Issue 11, page no. pp290-296, November-2017, Available at : &

Publication Details

Published Paper ID: JETIR1711054
Registration ID: 170888
Published In: Volume 4 | Issue 11 | Year November-2017
DOI (Digital Object Identifier):
Page No: 290-296
ISSN Number: 2349-5162

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(Volume 5 | Issue 1 | January 2018 |Impact factor 5.87)

Call For Paper | Volume 5 | Issue 1 | Impact factor 5.87

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