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  • PMSM by Harmonic Injection paper

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Torque Enhancement of Dual Three-Phase PMSM by Harmonic Injection

Research output: Contribution to journalJournal articlepeer-review

Published
  • Yashan Hu
  • Keyuan Huang
  • Xuefei Li
  • Derong Luo
  • Shoudao Huang
  • Xiandong Ma
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<mark>Journal publication date</mark>26/08/2020
<mark>Journal</mark>IET Electric Power Applications
Issue number9
Volume14
Number of pages10
Pages (from-to)1735 - 1744
Publication StatusPublished
Early online date5/05/20
<mark>Original language</mark>English

Abstract

The torque enhancement of dual three-phase permanent magnet synchronous machine (DT-PMSM) drive system by full exploitation of flux-linkage and current harmonics are comparatively studied in this paper. The torque capability of DT-PMSM is previously evaluated with strategies of harmonics utilization, i.e. Strategy-1 of 3rd harmonic utilization and Strategy-2 of 5th and 7th harmonic utilization, which can extend the torque capability by 18.2% and 9.0% respectively. However, the full exploitation of harmonics including 3rd, 5th and 7th harmonics in the dual three-phase system are not addressed. In this paper, the Strategy-3 of 3rd, 5th and 7th harmonic utilization is also included. Its corresponding harmonic current control is proposed and the average torque and harmonic torque are analyzed in detail. Based on a test rig with existing prototype DT-PMSM, the torque with Strategy-3 is increased up to 26.5%, which is superior to the previous strategies.

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©2020 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.