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US 2022/0034296 A1Published application
Method for operating a wind power installation, wind power installation and wind farm
AssigneeWobben Properties GmbH
InventorsRalf MESSING, Hauke MAASS, Florian RUBNER, Christian MÖLLER
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Abstract
A method for operating a wind power installation for the purpose of generating electrical power from wind, wherein the wind power installation has an aerodynamic rotor having rotor blades that can be adjusted in their blade angle, and the rotor is operated at a settable rated rotor speed, wherein a turbulence class at a site of the wind power installation is determined, and the rated rotor speed is defined in dependence on the determined turbulence class.
Claims26
A method comprising:
- operating a wind power installation to generate electrical power from wind, wherein the wind power installation has an aerodynamic rotor having a plurality of rotor blades with adjustable blade angles, wherein the operating comprises:
- operating the rotor at a settable rated rotor speed, and
- determining a turbulence class at a site of the wind power installation,
- wherein the settable rated rotor speed is set in dependence on the determined turbulence class.
1 more element
A method comprising:
- operating a wind power installation to generate electrical power from wind, wherein the wind power installation has an aerodynamic rotor having a plurality of rotor blades with adjustable blade angles, the operating comprising:
- operating the rotor at a settable rated rotor speed, wherein a plurality of vortex generators are arranged on each of the plurality of rotor blades between a region of a rotor-blade root and region of a rotor-blade tip,
- determining a turbulence class at a site of the wind power installation, and
- determining quantities and positions of the plurality of vortex generators on the plurality of rotor blades in dependence on the determined turbulence class.
1 more element
A method for comprising:
- operating a wind power installation to generate electrical power from wind, wherein the wind power installation has an aerodynamic rotor having a plurality of rotor blades adjustable blade angles, wherein the operating comprises:
- operating the rotor at an settable rated rotor speed based on a blade angle characteristic, and
- determining a turbulence class at a site of the wind power installation,
- wherein the blade angle characteristic is defined in dependence on the determined turbulence class.
1 more element
A method for comprising:
- operating a wind power installation to generate electrical power from wind, wherein the wind power installation has an aerodynamic rotor having a plurality of rotor blades with adjustable blade angles, wherein the operating comprises:
- operating the rotor at a settable rated rotor speed,
- determining a turbulence class at a site of the wind power installation,
- wherein the wind power installation is operated, in dependence on the turbulence class, according to differing operating characteristics, wherein differing power curves are provided in dependence on the turbulence class.
1 more element
A method comprising:
- operating a wind power installation to generate electrical power from wind, wherein the wind power installation has an aerodynamic rotor having a plurality of rotor blades with adjustable blade angles, wherein the operating comprises:
- operating the rotor at a settable rated rotor speed, wherein a plurality of vortex generators are arranged on each of the plurality of rotor blades between a region of a rotor-blade root and a region of a rotor-blade tip,
- wherein quantities and positions of the vortex generators, in a radial arrangement starting from a region of a rotor-blade root to a region of a rotor-blade tip, is effected in dependence on a site-specific air density.
A method comprising:
- operating a wind power installation to generate electrical power from wind, wherein the wind power installation has an aerodynamic rotor having a plurality of rotor blades with adjustable blade angles, the operating comprising:
- operating the rotor at a settable rated rotor speed, wherein closed-loop control of the rotational speed of the wind power installation is effected in dependence on a site-specific air density.
A rotor blade comprising:
- a rotor-blade tip,
- a rotor-blade root,
- a suction side, and a pressure side, and
- a plurality of vortex generators are arranged between the rotor-blade root and the rotor-blade tip, wherein a quantity and an arrangement of the plurality of vortex generators from a region of the rotor-blade root to a region of the rotor-blade tip is determined in dependence on a determined turbulence class or a site-specific air density, or both.
1 more element
(canceled)
Dependencies are inferred from the claim text.