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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …