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Axial-flux permanent-magnet air-cored generator for small-scale windturbines (2005)
Journal Article
Bumby, J., & Martin, R. (2005). Axial-flux permanent-magnet air-cored generator for small-scale windturbines. IEE proceedings. Electric power applications, 152(5), 1065-1075. https://doi.org/10.1049/ip-epa%3A20050094

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

Lightweight ironless-stator PM generators for direct-drive wind turbines (2005)
Journal Article
Spooner, E., Gordon, P., Bumby, J., & French, C. (2005). Lightweight ironless-stator PM generators for direct-drive wind turbines. IEE proceedings. Electric power applications, 152(1), 17-26. https://doi.org/10.1049/ip-epa%3A20041084

A permanent-magnet electrical machine that employs lightweight spoked structures for both rotor and stator is described. The stator is ironless so that there is no direct magnetic attraction between rotor and stator. The lightweight structures are su... Read More about Lightweight ironless-stator PM generators for direct-drive wind turbines.