AC voltage sag-swell compensator based on unified non-inverting and inverting output voltage AC chopper

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Abstract

This paper proposes a unified AC chopper topology that can generate both non-inverting and inverting AC voltages. It is therefore suitable for compensating utility voltage sag-swell in domestic consumer and industry infeeds. The proposed converter is able to save on the passive device footprint and improve dynamic performance compared to other similar candidates. The topology derivation, operating principle and performance evaluation are analysed in this paper. Simulation results are presented to assess the proposed scheme with in-phase and out-phase AC voltages generated from a fixed grid input to compensate the voltage sag-swell disturbances in the utility.
Original languageEnglish
Title of host publication8th IET International Conference on Power Electronics, Machines and Drives (PEMD 2016)
Pages1-5
Number of pages5
DOIs
Publication statusPublished - 19 Apr 2016
Event8th IET International Conference on Power Electronics, Machines and Drives - The Hilton Hotel, Glasgow, United Kingdom
Duration: 19 Apr 201621 Apr 2016

Conference

Conference8th IET International Conference on Power Electronics, Machines and Drives
Abbreviated titlePEMD 2016
CountryUnited Kingdom
CityGlasgow
Period19/04/1621/04/16

Keywords

  • voltage sag-swell
  • utility voltage regulation
  • non-inverting and inverting AC chopper
  • DVR
  • chopper topology
  • simulation
  • choppers
  • power supply quality
  • invertors

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