Zero Torque Ripple Operation of Seven-phase Concentrated-full-pitch Winding Induction Motor Under Open Circuit faults

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

Abstract

In order to achieve zero torque ripple operation of seven phase concentrated-full-pitch winding induction motor under single phase open, the fundamental stator current space vector of the conventional strategy is controlled to move along the circular anticlockwise trajectories. However, according to the steady state model in terms of symmetrical components, there are still other possible fundamental current commands to achieve the zero torque ripple. In this digest, all possible fundamental current commands are deduced and their performance in terms of average torque, total loss (stator loss and rotor loss) and efficiency are compared. Furthermore, zero torque ripple operation can be also achieved with two phase open and this is not reported in the previous literatures. In addition, the possibility of zero torque ripple operation in terms of two more phase open conditions and harmonic current injection is discussed. Finally, the optimum control strategies are selected and their effectiveness is verified through the simulation analysis.
Original languageEnglish
Title of host publicationProceedings of the 2020 IEEE 29th International Symposium on Industrial Electronics (ISIE)
Number of pages6
Place of PublicationNetherlands
PublisherIEEE Press
Publication dateJun 2020
Pages380-385
Article number9152556
ISBN (Print)978-1-7281-5636-1
ISBN (Electronic) 978-1-7281-5635-4
DOIs
Publication statusPublished - Jun 2020
Event29th IEEE International Symposium on Industrial Electronics, ISIE 2020 - Delft, Netherlands
Duration: 17 Jun 202019 Jun 2020

Conference

Conference29th IEEE International Symposium on Industrial Electronics, ISIE 2020
CountryNetherlands
CityDelft
Period17/06/202019/06/2020
SponsorIEEE, IEEE Industrial Electronics Society (IES)
SeriesIEEE International Symposium on Industrial Electronics (ISIE)
ISSN2163-5145

Keywords

  • Seven-phase induction motor
  • concentrated-full-pitch winding
  • fault tolerant operation
  • zero torque ripple

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