Modeling and Design of Electrical Machines and Devices in High Temperature

Dear colleagues,

This Special Issue is geared toward the design and modeling of machine windings for high temperature and/or high-power density applications. The issues of electrical insulation and heat transfer are the obstacles on which we propose to focus. Indeed, the increase in operating temperatures or dissipated thermal powers requires an improvement in temperature management. Two axes in response can generally be proposed, either to improve the dissipation and the cooling of the coils or to find new insulators which can withstand these temperature increases. This second route seems more complicated to develop, but is of very clear interest, particularly when machines are on-board and there is therefore limited weight and space. In this evolution, we can observe the improvement of pure or nano-charged polymers, but also the existence of new technologies such as sol–gel or even ceramics in certain applications at very high temperatures. The objective of this Special Issue is to highlight the work on these two axes with the aim of subsequently promoting strategies for integrating the two techniques simultaneously to allow high-performance design of high-power motors. This work will make it possible to remove a complex scientific barrier in the design of on-board engines.

Prof. Dr. Gabriel Vélu
Guest Editor

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