Thermal Mapping of a High-Speed Electric Motor Used for Traction Applications and Analysis of Various Cooling Methods—A Review

Edison Gundabattini, Arkadiusz Mystkowski, Adam Idzkowski, Raja Singh R. and Darius Gnanaraj Solomon
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Edison Gundabattini: Department of Thermal and Energy Engineering, Vellore Institute of Technology (VIT), School of Mechanical Engineering, Vellore 632 014, Tamilnadu, India
Arkadiusz Mystkowski: Faculty of Electrical Engineering, Bialystok University of Technology, Wiejska 45D, 15 351 Bialystok, Poland
Adam Idzkowski: Faculty of Electrical Engineering, Bialystok University of Technology, Wiejska 45D, 15 351 Bialystok, Poland
Raja Singh R.: Department of Energy and Power Electronics, Vellore Institute of Technology (VIT), School of Electrical Engineering, Vellore 632 014, Tamilnadu, India
Darius Gnanaraj Solomon: Department of Design and Automation, Vellore Institute of Technology (VIT), School of Mechanical Engineering, Vellore 632 014, Tamilnadu, India

Energies, 2021, vol. 14, issue 5, 1-32

Abstract: This paper gives a comprehensive review of advanced cooling schemes and their applications to the permanent magnet synchronous motors (PMSMs), as well as investigating the electrical motor’s topologies its thermal design issues, materials and performances. Particularly, the electromagnetic and electric performances, machine sizing, together with the structural design, are given. In addition, the work addresses the motor’s material design and properties along with its insulation performance, which is the main goal of optimization. Mainly, thermal mapping with analysis is provided according to the different cooling methods, including air-cooling, water-cooling, oil-cooling, heat-pipe-cooling, potting silicon gelatin cooling, and as well as cooling strategies for tubes and microchannels. The most common special features and demands of the PMSMs are described in the appearance of the motor’s failures caused by uncontrolled temperature rise. In addition, heat sources and energy losses, including copper loss, core loss versus motor speed, and output power, are analyzed. The review of the proposed cooling methods that will achieve the required heat transfer of the PMSM is presented with numerical simulations and measurements data. A review of numerical methods and results, including the finite element methods (FEM), such as the Ansys CFD software, to obtain a high-accuracy thermal mapping model of the PMSM system is given. The revived methods and design requirements due to PMSM temperature profile and cooling flow at different rotor speeds and torque loads are investigated. Finally, the motor design recommendations, including the newly developed cooling solutions, which enable it to effectively redistribute the temperature and heat transfer, increasing the efficiency of the PMSM machine, are laid out.

Keywords: thermal mapping; traction motor; PMSM; thermal management; temperature analysis; thermal design; thermally conductive materials; cooling scheme; temperature sensors (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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