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Addressing the Magnet Mounting Problem for Double-Sided TFM Machines with Flux-Concentrating Setup
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Machine Design (Div.).ORCID iD: 0000-0002-4016-0004
2019 (English)In: ISSN 2332-7707Article in journal (Refereed) Accepted
Abstract [en]

Variable reluctance machines such as transverse fluxmachines (TFM) have very suitable properties for slow speedrenewable energy conversion applications such as wave power.The double-sided TFM variant with flux-concentrating magnetsetup has generally better performance than other variants, butis considerably more challenging to build. One of the mostchallenging parts to build for such machines is the magnetstructure, especially for larger machines where the magnetstructure is wide. In this text, the magnet mounting problemof such a structure for a linear wave power generator hasbeen analysed. A mounting method has been proposed and themounting forces involved for that method have been calculated.A mounting tool has been designed and built, and it has beenused to successfully build 12 magnet stacks for two linear wavepower generators that form a test setup. Through this work, ithas been demonstrated that it is fully feasible to construct suchmagnet structures and thereby a reference to how this rathercomplex practical problem can be handled is provided for othersin the field.

Place, publisher, year, edition, pages
2019.
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-250033OAI: oai:DiVA.org:kth-250033DiVA, id: diva2:1307089
Note

QC 20190611

Available from: 2019-04-25 Created: 2019-04-25 Last updated: 2019-06-11Bibliographically approved

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Hagnestål, Anders

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