Abstract: The invention relates to a wind turbine having at least one measuring device for measuring deformations of an elongated component of the wind turbine, such as a tower or a rotor blade. The measuring device is part of a transmitting/receiving device with a remotely arranged reflector device, is mounted in a bracket, and has adjusting devices for precise adjustment and alignment of the measuring device relative to the bracket. The adjusting device has a cam rotation device at the bearing point of the adjusting device. The cam rotation device has, at every bearing point, a cam disc with an adjusting wheel, at least one ball disc with an associated ball socket and a clamping screw. The invention also relates to a method for adjusting and aligning a measuring device of the wind turbine, wherein the measuring device is aligned in the horizontal and vertical direction by rotating the cam rotation device.

Abstract: The invention relates to a wind turbine comprising a rotor hub (7) rotating about a rotor axis (8), rotor blades (9, 10, 11) extending radially with respect to the rotor axis (8) at the same angular spacing relative to one another, and a remote wind gauge (19) that is fastened externally on the surface of the hub (7) in a mounting (20) and oriented such that wind characteristics at a distance in front of the hub (7) can be ascertained or measured, wherein the remote wind gauge (19) is arranged between two neighbouring rotor blades (9, 10) and in the radial direction of the rotor axis (8) and the mounting (20) is fastened to a respective blade bearing flange (21, 22) in the region of the connection of the rotor hub (7) to the rotor blades (9, 10), such that the remote wind gauge (19) can be retrofitted to the wind turbine (1).

Abstract: A sensor device for measuring aerodynamic loads of a rotor blade for a wind power installation. The sensor device includes a reflector arranged in a cavity of the rotor blade which signals a signal evaluation device arranged at a distance from the reflector. The signal evaluation device detects and quantifies physical changes of the rotor blade from the reflected signal. A cleaning device for the reflector is arranged on the reflector for activation by a centrifugal force generated during the rotation of the rotor to clean the reflector.

Abstract: The invention relates to a rotor of a wind turbine, comprising a rotor hub (8), which has at least one rotor blade (9, 10) protruding perpendicularly to the rotor axis (7), which at least one rotor blade can be adjusted in an angular range about the blade axis (11, 12) of the rotor blade with respect to the the blade bearing point (32) of the blade in the hub (8), and at least one sensor (18), which is connected to at least one evaluating unit (19) arranged in the hub (8) by means of a rotatable cable connection (20) suitable for energy transmission and/or communication. The cable connection (20) has at least one or more guiding elements (23). The guiding element (23) has one fastening point (24, 25) each in the rotor hub and in the rotor blade and comprises at least one element (26, 29) that is elastic in tension.

Abstract: The invention relates to a wind turbine having at least one measuring device (28) for measuring deformations of an elongated component of the wind turbine (1), such as a tower or a rotor blade. The measuring device (28) is part of a transmitting/receiving device with a remotely arranged reflector device (25), is mounted in a bracket (35), and has adjusting devices (41, 38) for precise adjustment and alignment of the measuring device (28) relative to the bracket (35). The adjusting device (41, 38) has a cam rotation device (41) at the bearing point of the adjusting device. The cam rotation device (41) has, at every bearing point, a cam disc (46) with an adjusting wheel, at least one ball disc (44) with an associated ball socket (45) and a clamping screw (43). The invention also relates to a method for adjusting and aligning a measuring device of the wind turbine (1), wherein the measuring device (28) is aligned in the horizontal and vertical direction by rotating the cam rotation device (41).

Abstract: The invention relates to a wind turbine comprising a rotor hub (7) rotating about a rotor axis (8), rotor blades (9, 10, 11) extending radially with respect to the rotor axis (8) at the same angular spacing relative to one another, and a remote wind gauge (19) that is fastened externally on the surface of the hub (7) in a mounting (20) and oriented such that wind characteristics at a distance in front of the hub (7) can be ascertained or measured, wherein the remote wind gauge (19) is arranged between two neighbouring rotor blades (9, 10) and in the radial direction of the rotor axis (8) and the mounting (20) is fastened to a respective blade bearing flange (21, 22) in the region of the connection of the rotor hub (7) to the rotor blades (9, 10), such that the remote wind gauge (19) can be retrofitted to the wind turbine (1).

Abstract: A sensor device for measuring aerodynamic loads of a rotor blade for a wind power installation . The sensor device includes a reflector arranged in a cavity of the rotor blade which signals a signal evaluation device arranged at a distance from the reflector. The signal evaluation device detects and quantifies physical changes of the rotor blade from the reflected signal. A cleaning device for the reflector is arranged on the reflector for activation by a centrifugal force generated during the rotation of the rotor to clean the reflector.

Abstract: The disclosure describes an electric drive assembly having an electric motor which is arranged in a motor housing and a fan which is arranged on an end face of the motor housing. The fan generates a cooling air flow that removes heat from the electric motor. An electronic controller with electronic components controls or regulates the electric motor. A box-shaped motor panel sits on the motor housing and houses the electronic components. The heat generated during operating of the electronic components can be discharged by means of the motor panel to a heat sink which is in thermally conductive contact with the motor panel.