Improving the thermal performance of rotary and linear air-cored permanent magnet machines for direct drive wind and wave energy applications

Mueller, Markus A. and Burchel, Joseph and Chong, Yew Chuan and Keysan, Ozan and McDonald, Alasdair and Galbraith, Mike and Echenique Subiabre, Estanislao Juan Pablo (2018) Improving the thermal performance of rotary and linear air-cored permanent magnet machines for direct drive wind and wave energy applications. IEEE Transactions on Energy Conversion. ISSN 0885-8969 (https://doi.org/10.1109/TEC.2018.2881340)

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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.

ORCID iDs

Mueller, Markus A., Burchel, Joseph, Chong, Yew Chuan, Keysan, Ozan, McDonald, Alasdair ORCID logoORCID: https://orcid.org/0000-0002-2238-3589, Galbraith, Mike and Echenique Subiabre, Estanislao Juan Pablo;