摘要:
A rotor blade for a wind turbine is provided. The rotor blade includes an elongate blade base body with a number of connecting elements each having at least one axially extending connecting portion adapted to be connected with at least one corresponding connecting portion of a rotor hub of a wind turbine, wherein the respective connecting elements are connected to at least two circumferentially extending connecting members with the connecting members being adjacently disposed in circumferential direction so as to build a ring-like shape. Further, a wind turbine with such a rotor blade is provided.
摘要:
The invention relates to a method of operating a wind turbine (1) to guard against oscillations of the wind turbine blades (5) when they are at a standstill or idling at low speeds, and to a wind turbine blade anti-oscillation apparatus (10). The apparatus comprises a releasably attachable blade cover (10) that provides a non-aerodynamic surface for a region of the blade. This has been found to prevent air flow adhering to the blade and periodically detaching in a phenomenon known as vortex shedding, and therefore prevents oscillations of the blade becoming problematic. The blade cover can comprise a sleeve (10) of a net-like material, that can be positioned on the blade either before installation or in the field by service engineers using guide lines 16 and 17.
摘要:
The invention relates to a tower part for a wind turbine including at least one wall segment and at least one aperture segment including at least one aperture. The wall segment and the aperture segment are connected and the aperture segment is of a substantially uniform thickness and is thicker than the thickness of the wall segment. The invention further related to an aperture cover system for covering at least one aperture in a tower part for a wind turbine including cover plates and attachments for attaching the system to the tower part, wherein the attachments do not affect the fatigue limit of the tower part. Finally, the invention relates to a method for manufacturing a wind turbine tower part and uses thereof.
摘要:
The invention relates to a method for handling at least one wind turbine generator component 104, 106, 108. The method comprises the steps of loading said at least one wind turbine generator component 104, 106, 108 to an airship 100 at a site of loading, transporting the airship 100 with the at least one wind turbine generator component from the site of loading of the at least one wind turbine generator component to the site of installation of the at least one wind turbine component, and unloading said at least one wind turbine generator component from the airship at the site of unloading by means one or more guide elements 150 extending between the at least one wind turbine generator component and another wind turbine generator component or the ground, the sea, a vehicle at the ground, or at a vessel at the sea. The invention also relates to use of an airship for installing wind turbine generator components.
摘要:
The invention relates to a method for positioning an airship 100 at a wind turbine generator. The method comprises the step of docking the airship 100 at the wind turbine generator with a forwards docking section, a rearwards docking section, a sideways docking section, or an upwards docking section of the airship being connected to the wind turbine generator. After the airship 100 has docked, at least one wind turbine generator component or at least one person is unloaded from the airship or loaded from the wind turbine generator to the airship. Docking of the airship 100 may be performed at one of the following components of the wind turbine generator: the nacelle 116, the hub 118, the tower, one or more of the blades 120, the foundation, or a substation of the wind turbine generator. The invention also relates to use of an airship 100 for being connected to a wind turbine generator and for loading or unloading wind turbine generator components or personnel to or from the wind turbine generator.
摘要:
Methods of moving a rotating device of a wind turbine during transportation or standstill are provided. The methods include securing at least one auxiliary device to a position and connecting the device to one or more shafts of the rotating device at transportation or standstill. The auxiliary device is able to store, generate and/or convert energy during transportation, transferring energy continuously from at least one auxiliary device to one or more shafts of the rotating device during transportation or standstill, and moving one or more shafts of the rotating device continuously or discontinuously from a position to another. Also provided is a nacelle for a wind turbine, an auxiliary device, a control system for controlling moving of a rotating device of a wind turbine nacelle during transportation of the nacelle and use thereof.
摘要:
A steel tower for a wind turbine with a plurality of segments arranged above each other is provided. The segments include steel having different qualities. The quality of the steel is determined by a yield limit of the steel.
摘要:
The invention relates to a device for mounting and/or dismantling a component (10), in particular a rotor blade of a wind turbine (20) comprising a tower head (21). Said device comprises at least one guide element (30) that stretches between the tower head (21) and the ground (40) and has at least one supporting device (60) that is essentially fixed in the air, supporting at least a partial load of the weight of the component (10) during the transport of the latter (10) between the ground (40) and the wind turbine (20). At least one guy (70) leads from the supporting device (60) to the component (10), whereby the length of said guy between the supporting device (60) and the component (10) can be modified.
摘要:
The improvement in a wind turbine comprises providing a tower with a freely liftable mount and adapting a nacelle which is fitted with a propeller windwheel consisting of a plurality of rotor blades and provided therein with means for conversion of wind energy to be shifted onto said mount attached to the tower. In case of a violent wind storm, the nacelle can be lowered down to the ground to protect the rotor blades from breakage due to the force of the wind. Required maintenance and inspection of the nacelle and replacement of rotor blades can be safely carried out on the ground.