Cooling of automotive traction motors: Schemes, examples, and computation methods

Y Gai, M Kimiabeigi, YC Chong… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
This paper presents a comprehensive over-view of the latest studies and analyses of the
cooling technologies and computation methods for the automotive traction motors. Various …

[HTML][HTML] A technology overview of thermal management of integrated motor drives–Electrical Machines

R Wrobel - Thermal Science and Engineering Progress, 2022 - Elsevier
This paper provides a technology overview of integrated motor drives (IMDs), with a focus on
thermal management of high-specific-output and high-efficiency electrical machines. The …

Toward more electric powertrains in aircraft: Technical challenges and advancements

J Benzaquen, JB He, B Mirafzal - CES Transactions on …, 2021 - ieeexplore.ieee.org
The main purpose of this article is to provide an instructive review of the technological
challenges hindering the road toward more electric powertrains in aircraft. Hybrid, all …

Improved thermal management and analysis for stator end-windings of electrical machines

V Madonna, A Walker, P Giangrande… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
In an electrical machine design, thermal management plays a key role in improving the
performance and reducing size. End-windings are commonly identified as the machine hot …

High specific power electrical machines: A system perspective

A El-Refaie, M Osama - CES Transactions on Electrical …, 2019 - ieeexplore.ieee.org
There has been a growing need for high specific power electrical machines for a wide range
of applications. These include hybrid/electric traction applications, and aerospace …

Direct liquid cooling method verified with an axial-flux permanent-magnet traction machine prototype

P Lindh, I Petrov, A Jaatinen-Värri… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
Efficient cooling is needed, for example, in traction motors which face regularly high torque
peaks and generate high stator Joule losses. This paper studies the feasibility of the direct …

A thermal modeling approach and experimental validation for an oil spray-cooled hairpin winding machine

F Zhang, D Gerada, Z Xu, C Liu… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
While the electromagnetic aspects of hairpin windings are actively being investigated and
discussed in recent literature, including the design rules together with the loss calculation …

Design and verification of in-slot oil-cooled tooth coil winding PM machine for traction application

A Acquaviva, S Skoog… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Tooth coil windings, in particular when using a double layer structure, present opportunities
for in-slot liquid cooling. Since the windings are not overlapping, access to the slot from the …

Cooling of windings in electric machines via 3-D printed heat exchanger

W Sixel, M Liu, G Nellis… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article presents a novel use of three-dimensional printed direct winding heat
exchangers (3-D-DWHX) to improve the thermal management of the stator in high power …

Design and direct liquid cooling of tooth-coil windings

C Wohlers, P Juris, S Kabelac, B Ponick - Electrical Engineering, 2018 - Springer
This paper presents the design and analysis of fractional-slot concentrated-windings for use
with direct liquid cooling. To achieve considerably higher torque density than state of the art …