Quantification of External Heat Load on HEV Integrated IPMs using the Air-Gap Shear-Stress

Christian Josef Paar, Annette Mütze

Research output: Contribution to journalArticlepeer-review

Abstract

State-of-the-art design methods for electric machines use published correlations of either power or torque with electromagnetic and current loading, available for different cooling approaches. However, the applicability of these correlations for electric machines used within hybrid electric vehicles, with their different degrees of integration into the overall system, is limited. Using an integrated starter generator and an electric rear axle drive as example case applications, we study the influences of the thermal environment within the hybrid electric vehicle application, i.e., heat sinks and sources external to the machine on the thermal design of the machines. We quantify these influences by scaling factors for the air-gap shear stress of the machine
Original languageEnglish
Pages (from-to)1909-1919
JournalIEEE Transactions on Industry Applications
Volume53
Issue number3
DOIs
Publication statusPublished - 2017

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