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Design and Thermal Simulation of Induction Machines for Traction in Electric and Hybrid Electric Vehicles

  • An electric traction machine for an electric or a hybrid electric vehicle is usually designed for a specific operating point or cycle. For such an operating point or cycle, the masses and the cooling circuit of the electric machine determine the time dependent temperature distribution within the machine. For a specific load cycle, the thermal simulation of the machine can reveal possible mass and size reductions for a given insulation class of the machine. In addition, such simulations allow the comparison of various cooling concepts. In the machine design process, the first step is a conventional electromagnetic machine design. From the geometric data of this design and the material properties, the parameters of a thermal equivalent circuit can be derived. The differential and algebraic equations of the thermal equivalent circuit are solved by a simulation tool to predict the temperatures of the critical parts in the electric machine. A thermal equivalent circuit is accurate enough to predict the thermal behavior of the critical parts in the electric machine, and yet not too complex, to obtain simulation results with moderate numerical effort. This enables an iterative design process to optimize the drive.

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Metadaten
Author:Christian Kral, Anton Haumer, Hansjörg Kapeller, Franz Pirker
DOI:https://doi.org/10.3390/wevj1010190
ISSN:2032-6653
Parent Title (English):World Electric Vehicle Journal
Publisher:MDPI
Document Type:Article
Language:English
Year of first Publication:2007
Release Date:2024/07/03
Tag:Electric Drive; Induction Motor; Modeling; Simulation; Thermal Management
Volume:1
Issue:1
Pagenumber:7
First Page:190
Last Page:196
Institutes:Fakultät Elektro- und Informationstechnik
Fakultät Elektro- und Informationstechnik / Labor Elektrische Maschinen und Antriebstechnik
Begutachtungsstatus:peer-reviewed
Publication:Externe Publikationen
OpenAccess Publikationsweg:Gold Open Access- Erstveröffentlichung in einem/als Open-Access-Medium
research focus:Energie und Mobilität
Licence (German):Creative Commons - CC BY - Namensnennung 4.0 International