Improving the Thermal Performance of Rotary and Linear Air-Cored Permanent Magnet Machines for Direct Drive Wind and Wave Energy Applications

Markus Mueller, Joe Burchell, Yew Chuan Chong, Ozan Keysan, Alasdair McDonald, Mike Galbraith, Juan Pablo Echenique Subiabre

Research output: Contribution to journalArticlepeer-review

Abstract

Air-cored machines offer benefits in terms the elimination of magnetic attraction forces between stator and rotor. With no iron in the stator there is not a good thermal conduction path for heat generated by Joule losses in the stator winding. Results from both models and experimental tests are provided in this paper to investigate different methods of cooling air-cored windings, including natural air-cooling, direct liquid cooling and the use of heat pipes.
Original languageEnglish
Pages (from-to)773-781
Number of pages9
JournalIEEE Transactions on Energy Conversion
Volume34
Issue number2
Early online date14 Nov 2018
DOIs
Publication statusPublished - 2 Jun 2019

Keywords

  • PM machines
  • direct drive
  • wind energy
  • wave energy
  • tidal energy
  • thermal performance

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