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Analytical Model for the Design of Axial Flux Induction Motors with Maximum Torque Density

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Department of Robotics and Industrial Systems Automation, Saint Petersburg Electrotechnical University “LETI”, Professora Popova 5, 197376 Saint Petersburg, Russia
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Department of Computer-Aided Design, Saint Petersburg Electrotechnical University “LETI”, Professora Popova 5, 197376 Saint Petersburg, Russia
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Youth Research Institute, Saint Petersburg Electrotechnical University “LETI”, Professora Popova 5, 197376 Saint Petersburg, Russia
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Department of Automation and Control Processes, Saint Petersburg Electrotechnical University “LETI”, Professora Popova 5, 197376 Saint Petersburg, Russia
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Author to whom correspondence should be addressed.
World Electr. Veh. J. 2021, 12(1), 24; https://0-doi-org.brum.beds.ac.uk/10.3390/wevj12010024
Received: 3 January 2021 / Revised: 28 January 2021 / Accepted: 6 February 2021 / Published: 11 February 2021
This article proposes a mathematical model of an axial flux induction motor (AFIM) with one stator and one rotor. The model is based on the expression for the electromagnetic torque, which presents a function of two independent variables: the axial length of the stator core and the flux density in the air gap. This allows calculating the main dimensions of the motor with the highest possible torque density. Thus, developed model is suitable for designing the motor of specified volume with maximum torque, and solving the inverse problem of minimizing the machine volume with the specified torque. The detailed output of the model and the results of the calculations for the low-power engine powered by voltage of 7.35 V (RMS) are given. The results are validated using FEM in ANSYS software: with the outer motor diameter of 0.11 m, the flux density in it reaches 1.2 T. View Full-Text
Keywords: expression of electromagnetic torque; design optimization; axial flux induction motor (AFIM); electromagnetic torque density; analytical design; electric vehicles; rotating electrical machines expression of electromagnetic torque; design optimization; axial flux induction motor (AFIM); electromagnetic torque density; analytical design; electric vehicles; rotating electrical machines
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MDPI and ACS Style

Baranov, G.; Zolotarev, A.; Ostrovskii, V.; Karimov, T.; Voznesensky, A. Analytical Model for the Design of Axial Flux Induction Motors with Maximum Torque Density. World Electr. Veh. J. 2021, 12, 24. https://0-doi-org.brum.beds.ac.uk/10.3390/wevj12010024

AMA Style

Baranov G, Zolotarev A, Ostrovskii V, Karimov T, Voznesensky A. Analytical Model for the Design of Axial Flux Induction Motors with Maximum Torque Density. World Electric Vehicle Journal. 2021; 12(1):24. https://0-doi-org.brum.beds.ac.uk/10.3390/wevj12010024

Chicago/Turabian Style

Baranov, Georgii, Alexander Zolotarev, Valerii Ostrovskii, Timur Karimov, and Alexander Voznesensky. 2021. "Analytical Model for the Design of Axial Flux Induction Motors with Maximum Torque Density" World Electric Vehicle Journal 12, no. 1: 24. https://0-doi-org.brum.beds.ac.uk/10.3390/wevj12010024

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