NDLI: Study of the operation characteristics of a point absorbing direct driven permanent magnet linear generator deployed in the Baltic Sea

Content Provider	IET Digital Library
Author	Lejerskog, Erik Strömstedt, Erland Savin, Andrej Boström, Cecilia Leijon, Mats
Abstract	To experimentally study how a wave energy converter (WEC) behaves when parameters such as weight on the translator and buoy volume are changing is of significant importance when trying to optimise the WEC system. This study presents results from a WEC deployed at the Baltic Sea near the island of Åland. Compared with earlier experiments, the weight on the translator has been significantly increased to suit the buoy volume. Experimental results show that the power output between the upward and the downward motions are comparable up to the maximum speed for the downward motion of the translator. To study the speed of the translator in downward direction a model has been derived. The model has also been used to study the impact of having a changing active area. Moreover, finite element (FE) simulations done on the generator have been compared with experimental data and show a good agreement, but at high speeds of the translator the FE simulations start to deviate from the experiments.
Starting Page	1204
Ending Page	1210
Page Count	7
ISSN	17521416
Volume Number	10
e-ISSN	17521424
Issue Number	Issue 8, Sep (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rpg/10/8
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2015.0413
Journal	IET Renewable Power Generation
Publisher	The Institution of Engineering and Technology
Publisher Date	2016-05-05
Access Restriction	Open
Rights License	Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/)
Subject Keyword	A.C. Machine Aland Baltic Sea Buoy Volume D.C. Machines FE Simulation Finite Element Analysis Linear Machine Permanent Magnet Generator Point Absorbing Direct Driven Permanent Magnet Linear Generator Translator Downward Motion Wave Energy Converter Wave Power Wave Power Plant WEC System
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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