Abstract
The authors invented the superior wind turbine generator, which is composed of the tandem wind rotors and the double rotational armatures type generator without the conventional stator, and have discussed the wonderful advantages in the generating mode. 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 one of the conventional turbine and to keep the output constant in the rated operation mode without the brake and/or the pitch control mechanism. Continuously, this paper discusses the flow conditions around the rotors composed of the cambered blades.
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