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Article

Partitioned Stator Switched Flux Machine: Novel Winding Configurations

1
Electrical Engineering Department, College of Engineering, Najran University Saudi Arabia, Najran 61441, Saudi Arabia
2
Department of Electrical Engineering, City University of Science and Information Technology, Peshawar 25000, Khyber Pakhtunkhwa, Pakistan
3
Faculty of Electrical Engineering, Abbottabad Campus, COMSATS University Islamabad, Abbottabad 22060, Pakistan
4
Department of Automatic, Control and Robotics, AGH University of Science and Technology, 30-059 Krakow, Poland
*
Authors to whom correspondence should be addressed.
Entropy 2020, 22(9), 920; https://doi.org/10.3390/e22090920
Received: 24 June 2020 / Revised: 17 August 2020 / Accepted: 19 August 2020 / Published: 22 August 2020
(This article belongs to the Special Issue Reliability of Modern Electro-Mechanical Systems)
Torque density is one of the major limiting factors in machine design. In this paper, we propose the hybrid excited partitioned stator switched flux machine3 (HE-PSSFM3). In HE-PSSFM3, armature winding is positioned on the outer stator whereas the permanent magnet (PM) and field winding are placed at the inner stator, while the rotor is free from excitation sources and armature winding. Moreover, concentrated field winding is replaced by toroidal winding. The power splitting ratio between two stators/rotor pole combinations is analytically optimized and are validated through genetic algorithm (GA) in order to enhance average torque and flux regulation capability. The electromagnetic characteristics of the improved and initial design are evaluated and compared with existing designs, i.e., HE-PSSFM1 and HE-PSSFM2. The proposed HE-PSSFM3 has achieved high average torque, i.e., 2.0015 Nm, at same armature and field current densities of 5 A/mm2. The results show that the average torques of the proposed design are 35% and 15% greater than HE-PSSFM1 and HE-PSSFM2, respectively. Furthermore, the analysis of various parameters such as flux linkage, flux regulation, electromagnetic performances, cogging torque, back EMF, electromagnetic torque, and torque ripples are investigated using two dimensional (2D) finite element analysis (FEA). Moreover, the simulation results of the proposed design are validated through GA and analytical modeling. View Full-Text
Keywords: HE-PSSFM3; finite element analysis; partitioned stator; permanent magnet; dual stator HE-PSSFM3; finite element analysis; partitioned stator; permanent magnet; dual stator
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MDPI and ACS Style

Irfan, M.; Rehman, N.U.; Khan, F.; Muhammad, F.; Alwadie, A.S.; Glowacz, A. Partitioned Stator Switched Flux Machine: Novel Winding Configurations. Entropy 2020, 22, 920. https://doi.org/10.3390/e22090920

AMA Style

Irfan M, Rehman NU, Khan F, Muhammad F, Alwadie AS, Glowacz A. Partitioned Stator Switched Flux Machine: Novel Winding Configurations. Entropy. 2020; 22(9):920. https://doi.org/10.3390/e22090920

Chicago/Turabian Style

Irfan, Muhammad, Naveed U. Rehman, Faisal Khan, Fazal Muhammad, Abdullah S. Alwadie, and Adam Glowacz. 2020. "Partitioned Stator Switched Flux Machine: Novel Winding Configurations" Entropy 22, no. 9: 920. https://doi.org/10.3390/e22090920

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