Prime-mover dynamo plants – Electric control – Fluid-current motors
Reexamination Certificate
2007-08-21
2007-08-21
Schuberg, Darren (Department: 2834)
Prime-mover dynamo plants
Electric control
Fluid-current motors
C290S055000
Reexamination Certificate
active
10994861
ABSTRACT:
Control procedure for a flow machine, wherein the flow machine comprises a turbine, which picks up power from a wind or water current, and a driveline, which transfers power from the turbine to an electric generator connected to an electricity grid of constant grid frequency. A power distribution transmission arranged on the input side of the driveline splits power to first and second power branches. A hydrodynamic convefler connects the first and second power branches on the output side of the driveline and the first power branch drives the electric generator with constant speed. The reaction member of the hydrodynamic converter is set to a constant position for a turbine speed below a chosen threshold and above the threshold the reaction member is controlled to maintain a medium speed of the turbine being a function of the momentum picked up by the turbine.
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Baker & Daniels LLP
Cuevas Pedro J.
Schuberg Darren
Voith Turbo GmbH & Co. KG
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