Toggle Main Menu Toggle Search

Open Access padlockePrints

A systematic experimental approach in deriving stator-winding heat transfer

Lookup NU author(s): Dr Rafal Wrobel


Full text for this publication is not currently held within this repository. Alternative links are provided below where available.


© 2017 IEEE. This work is devoted to providing a more systematic approach to thermal design and analysis of electrical machines with the research focused on heat transfer from the winding body to the stator core pack/machine periphery. The heat transfer from the winding body is notoriously difficult to predict theoretically due to the multi-material composite structure of the stator-winding assembly. Together with numerous manufacture and assembly factors, the heat transfer is usually informed empirically. Further to this, the stator-winding assembly frequently constitutes the main source of power loss within a machine assembly. Both the heat transfer and power loss effects have a significant impact on the machine's overall power output capability. A common approach when quantifying the heat transfer across the stator-winding is based on an equivalent thermal resistance. This method provides reliable information regarding the capability of the dissipative heat transfer. However, as the thermal resistance data is related to a particular machine and stator-winding assembly, the results are difficult to transfer and compare across different machine designs. Especially if no supplementary stator-winding construction data is available. Here, a method utilizing an equivalent thermal conductance has been proposed to enable data transfer for the alternative machine builds and topologies. This allows for a relatively simple comparison among alternative stator-winding assemblies. Both the experimental and theoretical findings are presented in the paper to illustrate the proposed approach.

Publication metadata

Author(s): Wrobel R, Ayat S, Godbehere J

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 2017 IEEE International Electric Machines and Drives Conference, IEMDC 2017

Year of Conference: 2017

Online publication date: 08/08/2017

Acceptance date: 21/05/2017

Publisher: Institute of Electrical and Electronics Engineers Inc.


DOI: 10.1109/IEMDC.2017.8001871

Library holdings: Search Newcastle University Library for this item

ISBN: 9781509042814