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Volume 15
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Article

A Novel Rotor Harmonic Winding Configuration for the Brushless Wound Rotor Synchronous Machine

by
Farhan Arif
1,†,
Arsalan Arif
2,*,†,
Qasim Ali
3,
Asif Hussain
4,
Abid Imran
2,
Mukhtar Ullah
1 and
Asif Khan
5,*
1
Department of Electrical Engineering, FAST National University of Computer and Emerging Sciences, Islamabad 44000, Pakistan
2
Faculty of Mechanical Engineering, Ghulam Ishaq Khan Institute of Engineering Sciences and Technology, Islamabad 23460, Pakistan
3
Department of Electrical Engineering, Sukkur IBA University, Sukkur 65200, Pakistan
4
Department of Electrical Engineering, University of Management and Technology, Lahore 54782, Pakistan
5
Mechanical Engineering Program, Physical Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
*
Authors to whom correspondence should be addressed.
†
These authors contributed equally to this work.
World Electr. Veh. J. 2024, 15(6), 226; https://doi.org/10.3390/wevj15060226
Submission received: 2 April 2024 / Revised: 10 May 2024 / Accepted: 14 May 2024 / Published: 23 May 2024
(This article belongs to the Special Issue Design, Analysis and Optimization of Electrical Machines and Drives for Electric Vehicles, 2nd Edition)
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Abstract

In the last decade, permanent magnet (PM)-free or hybrid PM machines have been extensively researched to find an alternative for high cost rare-earth PM machines. Brushless wound rotor synchronous machines (BL-WRSMs) are one of the alternatives to these PM machines. BL-WRSMs have a lower torque density compared to PM machines. In this paper, a new topology is introduced to improve the torque producing capability of the existing BL-WRSM by utilizing the vacant spaces in the rotor slots. The new topology has two harmonic windings placed on the rotor which induce separate currents. A capacitor is used between the two harmonic windings to bring the currents in phase with each other. The harmonic winding currents are fed to the rectifier which is also placed on the rotor. Due to additional harmonic winding, the overall field current fed to the rotor field winding has been increased and hence the average torque has also increased. Finite element analysis (FEA)-based simulations are performed using ANSYS Maxwell to validate the proposed topology. The results show that the average torque of the machine has been significantly increased compared to the reference model. The detailed comparison results are provided in this paper.
Keywords: synchronous machine; wound rotor; brushless excitation; harmonic excitation synchronous machine; wound rotor; brushless excitation; harmonic excitation

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MDPI and ACS Style

Arif, F.; Arif, A.; Ali, Q.; Hussain, A.; Imran, A.; Ullah, M.; Khan, A. A Novel Rotor Harmonic Winding Configuration for the Brushless Wound Rotor Synchronous Machine. World Electr. Veh. J. 2024, 15, 226. https://doi.org/10.3390/wevj15060226

AMA Style

Arif F, Arif A, Ali Q, Hussain A, Imran A, Ullah M, Khan A. A Novel Rotor Harmonic Winding Configuration for the Brushless Wound Rotor Synchronous Machine. World Electric Vehicle Journal. 2024; 15(6):226. https://doi.org/10.3390/wevj15060226

Chicago/Turabian Style

Arif, Farhan, Arsalan Arif, Qasim Ali, Asif Hussain, Abid Imran, Mukhtar Ullah, and Asif Khan. 2024. "A Novel Rotor Harmonic Winding Configuration for the Brushless Wound Rotor Synchronous Machine" World Electric Vehicle Journal 15, no. 6: 226. https://doi.org/10.3390/wevj15060226

APA Style

Arif, F., Arif, A., Ali, Q., Hussain, A., Imran, A., Ullah, M., & Khan, A. (2024). A Novel Rotor Harmonic Winding Configuration for the Brushless Wound Rotor Synchronous Machine. World Electric Vehicle Journal, 15(6), 226. https://doi.org/10.3390/wevj15060226

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