Method for eliminating the impact of backlashes in the...

Details Method for eliminating the impact of backlashes in the... Method for eliminating the impact of backlashes in the...

2008-01-30

2009-10-20

Waks, Joseph (Department: 2839)

Prime-mover dynamo plants

Electric control

Fluid-current motors

C290S055000

Reexamination Certificate

active

07605488

ABSTRACT:
Method for operating a wind turbine comprising a drive train driving one or more electrical generators that supply power to an electric grid, by which, in events that can create a load inversion in the gearbox, a drive train dump load is activated for ensuring that the drive train torque has a constant direction, avoiding the impact of backlashes in the gearbox, the dump load including of power absorbed by one or several systems specifically dedicated to the absorption of the dump load and present at the wind turbine for other purposes.

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patent: 2007/0246943 (2007-10-01), Chang et al.
patent: 2008/0084070 (2008-04-01), Teichmann et al.
patent: 2008/0191836 (2008-08-01), Wobben
patent: 2009/0075771 (2009-03-01), Tesar
patent: WO 2008131778 (2008-11-01), None

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