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JSME International Journal Series B Fluids and Thermal Engineering
Vol. 49 (2006) No. 2 Special Issue on International Conferences on Power and Energy P 450-457




This paper proposes the superior wind turbine generator, which is composed of the tandem wind rotors and the double rotational armature type generator without the conventional stator. The large-sized front wind rotor and the small-sized rear wind rotor drive respectively the inner and the outer armatures of the generator, in keeping the rotational torque counter-balanced. Such operating conditions enable to make the output higher than the conventional wind turbine and to keep the output constant in the rated operating mode without using the brake and/or the pitch control mechanisms. Such wonderful advantages in the generating mode are discussed and verified experimentally with the model turbine generator.

Copyright © 2006 by The Japan Society of Mechanical Engineers

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