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Design, build and testing of an integrated compressor-generator

Lookup NU author(s): Dr Nick BakerORCiD


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An alternative source of on-board electricity generation in hybrid propulsion systems is a free piston engine. If the electrical machine can be fully integrated with the combustion engine, it may be able to offer a denser source of power conversion than conventional engines, fuel cells and batteries. This paper presents the modelling, development and testing of the linear engine generator concept, where a linear electrical machine is physically integrated within the compressor of a free piston engine. The challenges of mechanical integration of these two usually separate components to form a generator-compressor unit is discussed and demonstrated. The concept is shown to be capable of generating electricity whilst simultaneously compressing a working fluid such as air for use in the expander cylinder.

Publication metadata

Author(s): Korbekandi RM, Baker NJ

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 11th International Conference on Power Electronics, Machines and Drives (PEMD 2022)

Year of Conference: 2022

Pages: 499-504

Online publication date: 29/08/2022

Acceptance date: 23/06/2022

Publisher: IET


DOI: 10.1049/icp.2022.1060

Library holdings: Search Newcastle University Library for this item

ISBN: 9781839537189