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Open AccessArticle

Torque Ripple Mitigation of T-3L Inverter Fed Open-End Doubly-Salient Permanent-Magnet Motor Drives Using Current Hysteresis Control

1
School of Mechanical Engineering, Yangtze University, Jingzhou 434023, China
2
College of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Qingdao 266590, China
3
School of Electrical Engineering, Southeast University, Nanjing 210096, China
*
Author to whom correspondence should be addressed.
Energies 2019, 12(16), 3109; https://doi.org/10.3390/en12163109
Received: 24 July 2019 / Revised: 10 August 2019 / Accepted: 11 August 2019 / Published: 13 August 2019
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Abstract

A torque ripple mitigation and current hysteresis control for T-type three level (T-3L) inverter fed open-end doubly-salient permanent-magnet motor (DSPM) drives is proposed in this paper. The structure, principle, and characteristics of the DSPM are studied and analyzed and a T-3L inverter fed open-end three-phase DSPM drive configuration is proposed in this paper. Then, this paper introduces a novel commutation strategy to reduce the torque ripple during phase commutation. Furthermore, the multi-loop hysteresis current controller and DC-link voltage balancing algorithm are presented. The effectiveness of the proposed control schemes is verified by both simulation and experimental results. View Full-Text
Keywords: open-end; T-type three level inverter; doubly-salient permanent-magnet motor; hysteresis current control; neutral voltage balance open-end; T-type three level inverter; doubly-salient permanent-magnet motor; hysteresis current control; neutral voltage balance
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Liu, H.; Pu, S.; Cao, J.; Yang, X.; Wang, Z. Torque Ripple Mitigation of T-3L Inverter Fed Open-End Doubly-Salient Permanent-Magnet Motor Drives Using Current Hysteresis Control. Energies 2019, 12, 3109.

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