Low voltage ride through for wind turbine generators

Details Low voltage ride through for wind turbine generators Low voltage ride through for wind turbine generators

2005-07-26

2005-07-26

Schuberg, Darren (Department: 2834)

Prime-mover dynamo plants

Electric control

Fluid-current motors

C290S052000, C290S055000

Reexamination Certificate

active

06921985

ABSTRACT:
A wind turbine. The wind turbine includes a blade pitch control system to vary a pitch of one or more blades and a turbine controller coupled with the blade pitch control system. A first power source is coupled with the turbine controller and with the blade pitch control system to provide power during a first mode of operation. Uninterruptible power supplies coupled to the turbine controller and with the blade pitch control system to provide power during a second mode of operation. The turbine controller detects a transition from the first mode of operation to the second mode of operation and causes the blade pitch control system to vary the pitch of the one or more blades in response to the transition.

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patent: PCT/US2004/001774 (2004-06-01), None

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