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A Linear Laminated Cylindrical Transverse Flux Machine for use with a Free Piston Engine

Lookup NU author(s): Dr Nick BakerORCiD



This is the authors' accepted manuscript of an article that has been published in its final definitive form by IEEE, 2018.

For re-use rights please refer to the publisher's terms and conditions.


IEEE This paper discusses the development of a new topology of cylindrical transverse flux linear machine for use with a free piston engine. Despite its three dimensional flux path, the stator of this topology can be made from regular laminated components and only the translator includes soft magnetic composites. The design development is discussed, including alternative winding and fabrication techniques. Finite element analysis, results of a laboratory prototype and numerical-reluctance analysis are all used to give insight into the machine characteristics. By using flux and flux linkage factors the trade-off between force requirement and power factor is explored. It is shown that the power factor of this topology will generally vary from 0.89-0.6, which compares well with other transverse flux machines.

Publication metadata

Author(s): Wang J, Baker NJ

Publication type: Article

Publication status: Published

Journal: IEEE Transactions on Energy Conversion

Year: 2018

Volume: 33

Issue: 4

Pages: 1988-1997

Print publication date: 01/12/2018

Online publication date: 25/10/2018

Acceptance date: 12/10/2018

Date deposited: 14/11/2018

ISSN (print): 0885-8969

ISSN (electronic): 1558-0059

Publisher: IEEE


DOI: 10.1109/TEC.2018.2877502


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