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Comparison of permanent magnet generators for a very low speed renewable energy application

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3 Author(s)
David G. Dorrell ; University of Technology Sydney, NSW 2007, Australia ; Sze Song Ngu ; Calum Cossar

This paper describes the design of a very low speed direct-drive brushless permanent magnet generator for use in a Bristol cylinder device which is used for generation of electrical energy from sea waves. It studies both air-gap wound and slotted stator types of machine. It studies the design of a scaled down machine using air-gap windings then scales the machine up to obtain a full-scale generator. A comparison is made to a slotted alternative. The performance is studied in steady state terms.

Published in:

Electrical Machines (ICEM), 2012 XXth International Conference on

Date of Conference:

2-5 Sept. 2012