Experimental & Modelling Study of Advanced Direct Coil Cooling Methods in a Switched Reluctance Motor

2020 IEEE Vehicle Power and Propulsion Conference (VPPC) Pub Date : 2020-11-01 DOI:10.1109/VPPC49601.2020.9330852

S. Schlimpert, Branimir Mrak, Ilja Siera, R. Sprangers, J. Nonneman, M. Paepe, Steven Vanhee

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引用次数: 2

Abstract

The development of the next generation electrical vehicles requires drive-trains to become more compact, high-performant, and robust at the lowest possible cost. These more compact drive-trains operate at the same power ratings as their bigger sized equivalent and do need to dissipate their heat in a smaller volume. Therefore, more advanced liquid cooling methods of the drive-train components are needed to enhance the heat removal and increase the compactness, i.e., power density. Till now, most advanced cooled switched reluctance motors (SRM) of such drive-trains use already liquid cooling, i.e., Water& Glycol (WG) in a jacket. However, this liquid cooling method has only an indirect contact with the coils of the motor, i.e., is limited in thermal performance. Therefore, this paper studies direct coil cooling methods and specifically the direct oil jet cooling approach in terms of power density increase experimentally. In addition, the challenge of validating properly the experimental data of several innovative direct coil cooling concepts by commercial software packages will be discussed in the paper.

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开关磁阻电机直接线圈冷却方法的实验与建模研究

下一代电动汽车的发展要求传动系统以尽可能低的成本变得更加紧凑、高性能和坚固。这些更紧凑的传动系统的额定功率与更大的传动系统相同，并且确实需要在更小的体积内散热。因此，需要采用更先进的液体冷却方法来提高传动系统部件的散热能力，并增加紧凑性，即功率密度。到目前为止，这种传动系统中最先进的冷却开关磁阻电动机(SRM)已经使用液体冷却，即夹套中的水和乙二醇(WG)。然而，这种液体冷却方法与电机线圈只有间接接触，即在热性能上受到限制。因此，本文对直接盘管冷却方法，特别是直接油射流冷却方法在功率密度增加方面进行了实验研究。此外，本文还将讨论如何通过商业软件包正确验证几个创新的直接盘管冷却概念的实验数据。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2020 IEEE Vehicle Power and Propulsion Conference (VPPC)

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