A wind turbine is provided including a generator, an electrolytic unit, a system inlet and a system outlet, wherein the electrolytic unit is electrically powered by the generator to produce hydrogen from an input fluid, in particular water, wherein the hydrogen produced can be taken out of the wind turbine by the system outlet, wherein the wind turbine further includes a safety system controlled by a control unit configured to evacuate the hydrogen out of the wind turbine) by a plurality of gas outlets distributed on a platform of the wind turbine and configured to release the hydrogen to the atmosphere.

A door arrangement for a wind turbine includes a door with an outer side and an inner side and a door locking device for locking and unlocking the closed door by coupling and decoupling the closed door with a stationary component of the door arrangement of the wind turbine, wherein the door locking device includes a central component, an attachment and a connector, wherein the central component is attached to the stationary component by the attachment and connectable and disconnectable with the door by the connector for locking and unlocking the door by a person being at the outer side, wherein the attachment is manually releasable by a person being at the inner side for disconnecting the central component from the stationary component to unlock the door without tools.

A door arrangement for a wind turbine includes a door with an outer side and an inner side and a door locking device for locking and unlocking the closed door by coupling and decoupling the closed door with a stationary component of the door arrangement of the wind turbine, wherein the door locking device includes a central component, an attachment and a connector, wherein the central component is attached to the stationary component by the attachment and connectable and disconnectable with the door by the connector for locking and unlocking the door by a person being at the outer side, wherein the attachment is manually releasable by a person being at the inner side for disconnecting the central component from the stationary component to unlock the door without tools.

A cabin cover and a wind turbine generator set are provided. The cabin cover includes: a cover, the cover including first plates, second plates, and at least one support beam, the first plate and the second plate being alternately arranged, at least one group of adjacent first plate and second plate being spaced apart from each other and being fitted to the support beam, and the first plates, the second plates, and the support beams jointly enclosing an accommodating chamber; and fasteners, two or more of fasteners being provided and disposed in the accommodating chamber, at least one fastener detachably connecting the first plate to the support beam, and at least one fastener detachably connecting the second plate to the support beam.

A cabin cover and a wind turbine generator set are provided. The cabin cover includes: a cover, the cover including first plates, second plates, and at least one support beam, the first plate and the second plate being alternately arranged, at least one group of adjacent first plate and second plate being spaced apart from each other and being fitted to the support beam, and the first plates, the second plates, and the support beams jointly enclosing an accommodating chamber; and fasteners, two or more of fasteners being provided and disposed in the accommodating chamber, at least one fastener detachably connecting the first plate to the support beam, and at least one fastener detachably connecting the second plate to the support beam.

An automated system for mitigating risk from a wind turbine includes a plurality of optical imaging sensors. A controller receives and analyzes images from the optical imaging sensors to automatically send a signal to curtail operation of the wind turbine to a predetermined risk mitigating level when the controller determines from images received from the optical imaging sensors that an airborne animal is at risk from the wind turbine.

An automated system for mitigating risk from a wind turbine includes a plurality of optical imaging sensors. A controller receives and analyzes images from the optical imaging sensors to automatically send a signal to curtail operation of the wind turbine to a predetermined risk mitigating level when the controller determines from images received from the optical imaging sensors that an airborne animal is at risk from the wind turbine.

A damper position-limiting device is provided, which is mounted in a tower to limit the swing amplitude of a damper installed in the tower. The damper position-limiting device includes at least one web and a position-limiting ring. The web is provided with a mounting hole and at least one stress relief hole. A first side wall of the web has a first specified length along a circumferential direction of the inner wall of the tower, and is connected to the inner wall of the tower. The position-limiting ring is positioned within the mounting hole and connected to the mounting hole and is configured to accommodate an impacting plate of the damper.

A damper position-limiting device is provided, which is mounted in a tower to limit the swing amplitude of a damper installed in the tower. The damper position-limiting device includes at least one web and a position-limiting ring. The web is provided with a mounting hole and at least one stress relief hole. A first side wall of the web has a first specified length along a circumferential direction of the inner wall of the tower, and is connected to the inner wall of the tower. The position-limiting ring is positioned within the mounting hole and connected to the mounting hole and is configured to accommodate an impacting plate of the damper.

A self-inspection method for a hydraulic control turning system of a generator rotor includes: establishing a length dimension relationship table among a plurality of hydraulic cylinders of the hydraulic control turning system; selecting a reference hydraulic cylinder, and acquiring a reference length dimension when the reference hydraulic cylinder is located at a target working position, the target working position is a position at which a turning pin corresponding to the reference hydraulic cylinder is inserted into an adapted hole; and performing a function inspection of a motion execution module in sequence by the plurality of the hydraulic cylinders, based on the reference length dimension and the length dimension relationship table.