TRANSMISSION DEVICE FOR A MACHINE FOR PRODUCING ELECTRICITY FROM A VARIABLE SPEED MOTIVE POWER SOURCE, UNIT FOR PRODUCING ELECTRICITY AND WIND TURBINE BOTH SO EQUIPPED, AND METHOD OF SETTING A TRANSMISSION RATIO
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United States of America Patent
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app pub date -
Feb 11, 2009
filing date -
Feb 11, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
of the wind generator by a speed step-up device, and the output shaft connected to a synchronous generator. The two planet gears are secured to the output shaft. The two planet carriers are secured to the input shaft. The two annulus gears therefore rotate at the same speed. They are connected by slightly differing transmission ratios, of which one is also reversing with respect to the other, to the two input elements of a comparator differential. The cage of this differential rotates at a speed equal to half the difference between the absolute values of the rotational speeds of the elements. After multiplication by gearing, this low speed is applied to the rotor of a regulating apparatus such as an electric generator. The transmission ratio is adjusted or regulated by altering the torque applied by the regulating generator. Use for perfectly stabilizing the rotational speed of the synchronous generator and allowing it to be constantly connected to the network with the regulating apparatus consuming only a small amount of energy.
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