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Article: Design and analysis of a new parallel-hybrid-excited linear vernier machine for oceanic wave power generation

TitleDesign and analysis of a new parallel-hybrid-excited linear vernier machine for oceanic wave power generation
Authors
KeywordsDirect drive
Homopolar machine
linear machine
Parallel hybrid excitation
Wave power generation
Vernier machine
Issue Date2017
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/apenergy
Citation
Applied Energy, 2017, v. 208, p. 878-888 How to Cite?
AbstractThis paper presents a parallel-hybrid-excited linear vernier machine (PHE-LVM) for direct-drive oceanic wave power generation. By equipping a set of field winding in the mover yoke, hybrid excitation for the proposed PHE-LVM is realized: the air-gap flux can be flexibly controlled via adjusting the magnitude and polarity of the DC current in the field winding. With this merit, the operating performances in the wave power generation, such as the output voltage, load capacity and power factor can be improved. Firstly, the proposed PHE-LVM topology based on homopolar machine configuration is presented, with the consequent-pole PM poles mounted on the surface of the stator, while the DC field winding is wound around the mover yoke. Secondly, the operating principle of the proposed PHE-LVM is described with corresponding theoretical analysis. Thirdly, by using the 3-D finite element method, the power generation performances of the proposed PHE-LVM are evaluated. Finally, a prototype machine is also implemented and tested. Experimental results well agree with the analytical data.
Persistent Identifierhttp://hdl.handle.net/10722/259291
ISSN
2015 Impact Factor: 5.746
2015 SCImago Journal Rankings: 2.998

 

DC FieldValueLanguage
dc.contributor.authorLi, WL-
dc.contributor.authorChing, TW-
dc.contributor.authorChau, KT-
dc.date.accessioned2018-09-03T04:04:36Z-
dc.date.available2018-09-03T04:04:36Z-
dc.date.issued2017-
dc.identifier.citationApplied Energy, 2017, v. 208, p. 878-888-
dc.identifier.issn0306-2619-
dc.identifier.urihttp://hdl.handle.net/10722/259291-
dc.description.abstractThis paper presents a parallel-hybrid-excited linear vernier machine (PHE-LVM) for direct-drive oceanic wave power generation. By equipping a set of field winding in the mover yoke, hybrid excitation for the proposed PHE-LVM is realized: the air-gap flux can be flexibly controlled via adjusting the magnitude and polarity of the DC current in the field winding. With this merit, the operating performances in the wave power generation, such as the output voltage, load capacity and power factor can be improved. Firstly, the proposed PHE-LVM topology based on homopolar machine configuration is presented, with the consequent-pole PM poles mounted on the surface of the stator, while the DC field winding is wound around the mover yoke. Secondly, the operating principle of the proposed PHE-LVM is described with corresponding theoretical analysis. Thirdly, by using the 3-D finite element method, the power generation performances of the proposed PHE-LVM are evaluated. Finally, a prototype machine is also implemented and tested. Experimental results well agree with the analytical data.-
dc.languageeng-
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/apenergy-
dc.relation.ispartofApplied Energy-
dc.subjectDirect drive-
dc.subjectHomopolar machine-
dc.subjectlinear machine-
dc.subjectParallel hybrid excitation-
dc.subjectWave power generation-
dc.subjectVernier machine-
dc.titleDesign and analysis of a new parallel-hybrid-excited linear vernier machine for oceanic wave power generation-
dc.typeArticle-
dc.identifier.emailChau, KT: ktchau@eee.hku.hk-
dc.identifier.authorityChau, KT=rp00096-
dc.identifier.doi10.1016/j.apenergy.2017.09.061-
dc.identifier.hkuros289127-
dc.identifier.volume208-
dc.identifier.spage878-
dc.identifier.epage888-
dc.publisher.placeUnited Kingdom-

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