Wind turbine with self-contained power system

Details Wind turbine with self-contained power system Wind turbine with self-contained power system

2007-08-14

2008-11-11

Waks, Joseph (Department: 2834)

Prime-mover dynamo plants

Electric control

Fluid-current motors

Reexamination Certificate

active

07449794

ABSTRACT:
A wind turbine with a self-contained power system is disclosed. The self-contained power system comprises an auxiliary generator with a winding disposed on the rotor side while the magnetic poles of the auxiliary generator are disposed at components moving relatively to the rotation of the rotor. Thereby, a back electromotive force (emf) is generated in the winding due to the relative motion of the winding with respect to the magnetic poles as the rotor is rotating, and consequently the self-contained power system generates electricity to provide the power for driving the rotor to rotate. Therefore, the ability of the wind turbine to operate independently is enhanced since the amount of back-up power supply required is reduced and the structure of the wind turbine is simplified. Therefore the cost of the wind turbine is reduced, and the system reliability is increased.

REFERENCES:
patent: 6951443 (2005-10-01), Blakemore
patent: 7071578 (2006-07-01), Shibata et al.
patent: 7218012 (2007-05-01), Edenfeld
patent: 7323792 (2008-01-01), Sohn
patent: 7331761 (2008-02-01), Hansen et al.
patent: 2004/0151584 (2004-08-01), Blakemore
patent: 2005/0207890 (2005-09-01), Shibata et al.
patent: 2007/0081896 (2007-04-01), Mollhagen
patent: 2007/0104577 (2007-05-01), Hansen et al.

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