Prime-mover dynamo plants – Electric control – Fluid-current motors
Reexamination Certificate
2003-08-07
2010-11-16
Ponomarenko, Nicholas (Department: 2839)
Prime-mover dynamo plants
Electric control
Fluid-current motors
C290S007000, C322S037000
Reexamination Certificate
active
07834472
ABSTRACT:
The invention relates to a method of controlling a wind turbine connected to an electric utility grid during malfunction in said electric utility grid, said method comprising the steps of detecting a malfunction in said electric utility grid and monitoring at least one physical work property of at least one component of said wind turbine. Further, the method controls the pitch of one or more wind turbine blades of said wind turbine in order too keep said least one physical work property below at least one predefined limit in a time period of said malfunction. The invention also relates to a control system for a wind turbine connected and supplying electric power to a utility grid as well as a wind turbine and park hereof.
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Jensen Michael Houllind
Rebsdorf Anders Varming
Ponomarenko Nicholas
St. Onge Steward Johnston & Reens LLC
Vestas Wind Systems A/S
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