Patent ID: 6653744
Filing Date: 2003-11-25
Classification: F03B,F03D,F05B,Y02E

Abstract:
For use with an electric power-generating device that converts fluid flow of wind or water to electricity including a rotor having blades that rotate in response to fluid flow; a main power input shaft coupled to said rotor; a single-stage torque-dividing gearbox coupled to said main power input shaft; said torque-dividing gearbox having a plurality of output shafts located around a perimeter of said main power input shaft; and, a plurality of sub-powertrains, each one of said sub-powertrains including a generator coupled to a respective one of said output shafts, each said generator having a local generator voltage output, a controller method comprising:Connecting, for each generator, a transformer configured as a reactor, each transformer being connected to a respective local generator voltage output; and, Regulating torque experienced by each said generator to assure that torques are balanced between generators at any given system load by actively modulating said transformer.