Electromagnetic analysis, efficiency map and thermal analysis of an 80-kW IPM motor with distributed and concentrated winding for electric vehicle applications

• Autorzy: Młot Adrian , Korkosz Mariusz , Lechowicz Andrzej , Podhajecki Jerzy , Rawicki Stanisław

Identyfikatory

DOI

10.24425/aee.2022.142120

• Języki publikacji: EN

Abstrakty

EN

This paper presents a comparison of an AC radial flux interior permanent magnet (IPM) motor with the distributed winding (DW) and concentrated winding (CW). From time to time, manufacturers of electric vehicles change the design of electric motors, such changes may include changing the DW into CW and vice versa. A change to the winding in a radial permanent magnet synchronous motor may lead to a change in motor parameters during motor operation and /or change in the distribution of the magnetic field and thermal circuit of the electrical machine. The electromagnetic analysis, efficiency map, mechanical stress, and thermal analysis of the machine with the DW and CW are presented in this paper. This article describes the advantages and disadvantages of selected stator winding designs and helps understand manufacturers’ designers how the DW and CW play a key role in achieving the designed motor’s operational parameters such as continuous performance. Analyzing the performance of both machines will help identify their advantages and disadvantages with regard to thermal phenomena, magnetic field and operational parameters of the presented IPM prototypes. Both prototypes are based on commonly used topologies such as 12/8 (slot/pole) and 30/8 (slot/pole) IPM motors consisting of magnets arranged in a V-shape. The AC IPM motor was designed for an 80 kW propulsion system to achieve 170 N·m at a base speed of 4 500 rpm. Modern CAD tools are utilized throughout the numerical computations based on 2-D finite element methods. Selected test data are used to verify and validate the accuracy of finite element models.

Słowa kluczowe

EN

AC losses; concentrated winding; distributed winding; motor performance; radial flux permanent magnet motor; slot fill factor; thermal analysis

• Wydawca: Polish Academy of Sciences, Committee on Electrical Engineering
• Czasopismo: Archives of Electrical Engineering
• Rocznik: 2022
• Tom: Vol. 71, nr 4
• Strony: 981--1002
• Opis fizyczny: Bibliogr. 39 poz., rys., tab., wz.

Twórcy

autor

Młot Adrian

• Opole University of Technology, Poland

• https://orcid.org/0000-0002-4586-5556

autor

Korkosz Mariusz

• Rzeszow University of Technology, Poland

• https://orcid.org/0000-0002-9097-0988

autor

Lechowicz Andrzej

• Opole University of Technology, Poland

autor

Podhajecki Jerzy

• The Jacob of Paradies University, Poland

autor

Rawicki Stanisław

• The Jacob of Paradies University, Poland

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).