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Axial-flux permanent-magnet air-cored generator for small-scale windturbines.

Bumby, J. R. and Martin, R. (2005) 'Axial-flux permanent-magnet air-cored generator for small-scale windturbines.', IEE proceedings : electric power applications., 152 (5). pp. 1065-1075.

Abstract

The design and development of an axial-flux permanent-magnet air-cored generator for use as a direct drive generator with small-scale wind and water turbines is described. The generator is designed for simplicity and ease of manufacture and consists of two rotor discs each with permanent magnets located around its periphery. The stator is made of plastic and has a number of bobbin-wound armature coils located around its periphery. A three-phase prototype generator has been designed and built with 16 magnets per rotor disc, 12 armature coils (four per phase) and an overall diameter of 495 mm. The generator produces 1000 W at 300 rpm or 2000 W at 500 rpm with an electrical efficiency substantially greater than 90%. The generator performs as predicted by the design process.

Item Type:Article
Additional Information:This paper is a postprint of a paper submitted to and accepted for publication in [IEE proceedings : electric power applications.] and is subject to Institution of Electrical Engineers Copyright. The copy of record is available at IET Digital Library.
Keywords:Permanent-magnet air-cored generator, Small-scale wind turbine, Direct drive generator, Water turbine, Rotor disc, Plastic stator, Bobbin-wound armature coil, Three-phase prototype generator, Electrical efficiency.
Full text:Full text not available from this repository.
Publisher Web site:http://dx.doi.org/10.1049/ip-epa:20050094
Record Created:23 Apr 2008
Last Modified:08 Apr 2009 16:20

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