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Automated Design of a Linear Generator for Wave Energy Converters - A Simplified Model
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Division for Electricity and Lightning Research.
2006 (English)In: IEEE transactions on magnetics, ISSN 0018-9464, E-ISSN 1941-0069, Vol. 42, no 7, 1812-1819 p.Article in journal (Refereed) Published
Abstract [en]

An encouraging way to convert ocean wave energy into electricity through direct drive is by using a linear, synchronous, longitudinal-flux permanent-magnet machine (LFM), where the piston is driven by a buoy. In this paper, the speed of the piston is assumed to be constant or sinusoidal. The paper presents an automated method for optimizing the design variables of an LFM with a rectifier, using time-stepping finite-element analysis. The method yields feasible LFM designs tailored to a given ocean wave climate, assuming constant or sinusoidal piston speed. The method will help to avoid a large amount of field calculations to obtain an optimal LFM driven by a buoy. The systematic approach results in a transparent investigation, giving the engineer an easy way to determine the best design. The paper presents LFM designs for a calm site in the Baltic Sea as examples.

Place, publisher, year, edition, pages
2006. Vol. 42, no 7, 1812-1819 p.
National Category
Engineering and Technology
URN: urn:nbn:se:uu:diva-22450DOI: 10.1109/TMAG.2006.874593ISI: 000238710800007OAI: oai:DiVA.org:uu-22450DiVA: diva2:50223
Available from: 2007-01-23 Created: 2007-01-23 Last updated: 2016-10-13Bibliographically approved

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Wolfbrandt, Anna
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