Comparison of Permanent Magnet Generators for a Very Low Speed Renewable Energy Application

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Conference Proceeding
Proceedings of the 2012 XXth International Conference on Electrical Machines, 2012, pp. 113 - 119
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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 studied1in steady state terms.
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