Traction motor cooling systems: A literature review and comparative study

PO Gronwald, TA Kern - IEEE transactions on transportation …, 2021 - ieeexplore.ieee.org
More efficient cooling systems are an enabler for the increase in power density in an electric
traction motor. Contemplating to existing reviews, this article presents a comprehensive …

Recent Developments in Cooling Systems and Cooling Management for Electric Motors

D Konovalov, I Tolstorebrov, TM Eikevik, H Kobalava… - Energies, 2023 - mdpi.com
This study provides an overview of new trends in the development of cooling systems for
electric motors. It includes a summary of academic research and patents for cooling systems …

The oil spray cooling system of automotive traction motors: the state of the art

PS Ghahfarokhi, A Podgornovs… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
With growing interest in green technologies and sustainable transport, hybrid and pure
electric powertrains are attracting a lot of attention. According to demanded metrics, such as …

Perspective of thermal analysis and management for permanent magnet machines, with particular reference to hotspot temperatures

ZQ Zhu, D Liang - Energies, 2022 - mdpi.com
Permanent magnet (PM) machines have been extensively used for various applications.
Nevertheless, thermal effect, particularly hotspot temperature, not only severely restricts …

Design and analysis of a self-circulated oil cooling system enclosed in hollow shafts for axial-flux PMSMs

G Zhu, L Li, Y Mei, T Liu, M Xue - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
With the every-increasing demands for miniaturization, the efficient cooling techniques for
axial-flux permanent magnet synchronous machines (AF-PMSMs) have attracted great …

Thermal management characteristics of electric vehicle driving motor with oil spray cooling based on spray locations and oil types

KS Garud, MY Lee - Applied Thermal Engineering, 2024 - Elsevier
The thermal management of electric motors as an integral core part of electric vehicles
needs to be addressed with the next generation cooling strategy to achieve the high-power …

Research on the propulsion motor cooling by the coupled flow field of unmanned underwater vehicles

B Cheng, D Qin, Z Hu - Applied Thermal Engineering, 2024 - Elsevier
The unmanned underwater vehicle (UUV) plays a crucial role in ocean exploration and
development. Enhancing the hydrodynamic performance of UUVs relies heavily on high …

Determination of hotspot temperature margin for rectangular wire windings considering insulation thermal degradation and partial discharge

Y Ji, P Giangrande, W Zhao, V Madonna… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Increasing current density is a common way to improve the power density of electrical
machines (EMs) which also boosts the winding temperature. Higher winding temperature …

Additive manufacturing of a conformal hybrid-strand concentrated winding topology for minimal AC loss in electrical machines

N Simpson, J Jung, A Helm… - 2021 IEEE Energy …, 2021 - ieeexplore.ieee.org
The power-density and reliability of electrical machines is ultimately limited by their ability to
dissipate internally generated losses within the constraints of the temperature rating of the …

Cooling analysis of high-speed stator-permanent magnet flux-switching machines for fuel-cell electric vehicle compressor

W Yu, W Hua, Z Zhang - IEEE Transactions on Vehicular …, 2021 - ieeexplore.ieee.org
Thermal management of electrical machines is an important issue to improve
electromagnetic performance, reduce system size and prolong lifetime. Based on the …