Harmonic Distortion Performance of Multi Three-Phase SCR-Fed Drive Systems with Controlled DC-Link Current under Unbalanced Grid

Hamid Soltani, Pooya Davari, Frede Blaabjerg, Firuz Zare

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

4 Citations (Scopus)
4 Downloads (Pure)

Abstract

Grid voltage unbalance, which is considered as most common disturbance in distribution networks, may significantly affect the normal operation of the grid-connected power electronics devices including Adjustable Speed Drives (ASD), and may result in a remarkable performance degradation. In this paper, the main aim is to analyze the effects of the grid unbalanced voltage on the multi-unit three-phase ASDs with the Silicon-Controlled Rectifier (SCR)-fed front-end rectifiers, where the DC-link current is controlled utilizing an Electronic Inductor (EI) technique. In this respect, the main effective factors on the drives harmonic performance are discussed. Moreover, the analysis is performed by considering an Equally-Pulse-Space (EPS) firing approach on the SCRs. Obtained simulation and experimental results verify the proposed theoretical analysis and mathematical modeling.
Original languageEnglish
Title of host publicationProceedings of 43rd Annual Conference of the IEEE Industrial Electronics Society, IECON 2017
Number of pages5
PublisherIEEE Press
Publication dateOct 2017
Pages1210-1214
ISBN (Electronic)978-1-5386-1127-2
DOIs
Publication statusPublished - Oct 2017
Event43rd Annual Conference of the IEEE Industrial Electronics Society, IECON 2017 - Beijing, China
Duration: 29 Oct 20171 Nov 2017

Conference

Conference43rd Annual Conference of the IEEE Industrial Electronics Society, IECON 2017
Country/TerritoryChina
CityBeijing
Period29/10/201701/11/2017
SponsorChinese Association of Automation (CAA), Chinese Power Supply Society, et al., IEEE Industrial Electronics Society (IES), Systems Engineering Society of China, The Institute of Electrical and Electronics Engineers (IEEE)
SeriesProceedings of the Annual Conference of the IEEE Industrial Electronics Society
Volume43
ISSN1553-572X

Keywords

  • Multi drives
  • Unbalance grid
  • Harmonics
  • Controlled DC-link Current

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