Voltage Profile and Power Quality Improvement Using Multicell Dynamic Voltage Restorer

Tahar Karim Benamar, Ahmed Allali, Houari Merabet Boulouiha, Mouloud Denai

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Abstract

Multi-level converter topologies are increasingly being used in various applications due to their high power, high voltage, and low harmonic levels in the output waveforms. These converter topologies produce different output voltage levels and have a highly modular structure. This paper proposes the design of a dynamic voltage restorer (DVR) based on multilevel topology to enhance the voltage profile and improve the power quality in the network. The DVR is an effective, fast-acting device which detects voltage sags and swells in a transmission line and inject a compensating voltage through a boost transformer. A simulation study is carried out under MATLAB/Simulate to demonstrate the performance of the proposed DVR circuit. The simulation results show improved transient response and enhanced power quality in the transmission network.
Original languageEnglish
Pages (from-to)2216-2225
Number of pages10
JournalInternational Journal of Power Electronics and Drive Systems
Volume13
Issue number4
DOIs
Publication statusPublished - 1 Dec 2022

Keywords

  • Dynamic voltage restorer
  • Fuzzy logic
  • Multi-cell converter
  • Power quality
  • Three-level inverter
  • Total harmonic distortion

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