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US 2010/0135791 A1Published application
Method and apparatus for powering a pitch control system
AssigneeGeneral Electric Company
InventorJeffrey Alan Melius
Life of this patent
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Abstract
A pitch control system for a wind turbine having a motor including an armature, a winding, and a plurality of switching components configured to control a first current through the armature independently of a second current through the winding.
Claims20
A pitch control system for a wind turbine, said pitch control system comprising:
- a motor comprising an armature and a winding;
- and,
- a plurality of switching components configured to control a first current through said armature independently of a second current through said winding.
A wind turbine, comprising:
- at least one blade;
- and,
- at least one pitch control system coupled to said at least one blade, said pitch control system comprising:
- a motor comprising an armature and a winding;
- and,
- a plurality of switching components configured to control a first current through said armature independently of a second current through said winding.
3 more elements
A method for powering a pitch control system, said method comprising:
- coupling a motor to the pitch control system, the motor including an armature and a winding;
- coupling a first power source and a second power source to the pitch control system;
- and,
- coupling a plurality of switching components to the motor, the plurality of switching components configured to control a first current through the armature independently of a second current through the winding.
1 more element
Dependencies are inferred from the claim text.