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Hart, K. (author), McDonald, A. (author), Polinder, H. (author), Corr, E. (author), Carroll, J. (author)This paper investigates geared and direct-drive permanent magnet generators for a typical offshore wind turbine, providing a detailed comparison of various wind turbine drivetrain configurations in order to minimise the Cost of Energy. The permanent magnet generator topologies considered include a direct-drive machine and single stage, two-stage...conference paper 2014