Abstract: Provided is a wind turbine including a tower, a tower adapter attached to the tower and a nacelle attached to the tower adapter, whereby the tower adapter houses at least one electrical device of the wind turbine for conditioning or switching power provided by a generator of the wind turbine.

Abstract: A method for connecting a component of a power conversion circuit of a wind turbine to one or more connection device(s) is/are provided, wherein the component is arranged on a supporting structure in the interior of the wind turbine, wherein the connection devices(s) includes/include at least one connector and the component includes at least one counterpart to the connector, comprising: providing the connection device(s) and lifting the component from the supporting structure, arranging the connection device(s) on the supporting structure and aligning the connector of the connection device(s) with respect to the counterpart at the lifted component, and lowering the component onto the supporting structure and thereby establishing a connection between the connector and the counterpart for connecting the component to the connection device(s).

Abstract: An offshore wind turbine erected in a body of water includes a generator, a foundation, a nacelle, a tower having a first end mounted to the foundation and a second end supporting the nacelle, an electrolytic unit arranged above a water level and electrically powered by the generator to produce hydrogen from an input fluid, in particular water, and a fluid supply assembly for supplying the input fluid from a fluid inlet arranged below the water level to the electrolytic unit by means of a fluid connection, wherein the fluid supply assembly includes a cleaning unit configured to clean a build-up formed along an area extending through the inner part of at least a part of the fluid connection or formed at the fluid inlet.

Abstract: A system for transporting fluid generated by a wind turbine includes at least one wind turbine for generating electrical power, wherein the wind turbine includes a fluid producing unit configured for generating a fluid by using the generated electrical power, a fluid pipeline system coupled to the wind turbine for transporting the generated fluid, and a pressure control system coupled to the fluid pipeline system for controlling the fluid flow of the fluid in the pipeline system. The pipeline system includes a transporting pipeline and a connection pipeline, wherein the connection pipeline is coupled to the wind turbine and the connection pipeline such that the fluid is transportable from the wind turbine to the transporting pipeline via the connection pipeline.

Abstract: A method for installing an offshore installation is provided, the method including: a) providing a pipe for connecting the offshore installation with another offshore installation or an onshore installation; b) arranging an electrical cable inside the pipe; c) determining a level at or above the seabed, wherein the pipe includes a first portion arranged below the determined level and a second portion arranged above the determined level, and wherein the electrical cable is arranged inside the pipe so as to form a gap with an inner wall of the pipe along the first and second portion; d) determining an amount of cooling liquid such that, when the cooling liquid has a first temperature, the cooling liquid fills the gap along the first portion of the pipe, wherein the second portion of the pipe is free of the cooling liquid, and when the cooling liquid cools the electrical cable.

Abstract: 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.

Abstract: A wind farm is provided including a plurality of wind turbines, each wind turbine including a generator, a nacelle, and a tower supporting the nacelle. Each of at least two of the wind turbines further includes an electrolytic unit electrically coupled to the generator of the wind turbine for producing hydrogen and a hydrogen output for transporting the produced hydrogen out of the wind turbine. Each hydrogen output is connected to a manifold by a manifold input, wherein the manifold is arranged above sea level and includes a first manifold output configured to be connected to a first hydrogen pipeline for transporting the hydrogen produced by the wind farm out of the wind farm.

Abstract: A wind turbine includes a generator, a base, a nacelle, a tower having a first end mounted to the base and a second end supporting the nacelle, and an electrolytic unit electrically powered by the generator to produce hydrogen from an input fluid, in particular water, wherein the electrolytic unit is electrically coupled to the generator by an electric connection, wherein the electrolytic unit is housed in a housing, wherein the housing includes a pressure-relief section configured to detach from the housing in the event of an explosion inside the housing or when the pressure inside the housing exceeds a predetermined pressure.

Abstract: A cage for a monopile of an offshore wind turbine is provided, configured to extend, in an installed state, in a height direction of the monopile, wherein the cage includes one or more supports for holding one or more pipes and/or tubes, and a first inner diameter at a lower portion thereof and a second inner diameter at an upper portion thereof, the second inner diameter) being smaller than the first inner diameter, and wherein the cage is configured to be arranged on the monopile having a conically shaped outer surface tapered in the height direction such that the upper portion of the cage rests at the conically shaped outer surface of the monopile. The cage can be attached by resting it on the conically shaped outer surface of the monopile.

Abstract: Provided is a wind turbine, with at least one hollow construction including at least two longitudinal hollow elements each having a connection interface for connecting the elements either by a slip joint connection or by a flange connection especially a tower including at least two hollow tower elements, wherein at least one connector is guided through the slip joint or flange connection from an inner space to the outer of the wind turbine.

Abstract: A method is provided for connecting two tubular or conical sections of a structure, especially of a wind turbine, by joining respective circular ends of the outer walls of these sections by welding, including the steps: positioning the two sections in such a way, that the circular ends are adjacent to each other, positioning a first part of a connection tool adjacent to the circular ends of the two sections, positioning a second part of the connection tool in such a way that the first and second part of the connection tool form a ring-shaped housing, blocking access to the circular ends from the outside of the sections, and using a welding head of the connection tool arranged within the ring-shaped housing to join the outer walls.

Abstract: Provided is an interface for connecting a cable arranged in a shell to a receiving structure, the interface including: a connector including a connection area for fixing the connector to a cable support of the receiving structure and a transmission area for receiving the cable and the shell, a lower seal, an upper seal, a chamber element configured to coat the cable between the lower seal and the upper seal. Also provided is a hang-off system and a method for connecting a cable arranged in a shell to a receiving structure.

Abstract: 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.

Abstract: An offshore wind turbine erected in a body of water includes a generator, a foundation, a nacelle, a tower having a first end mounted to the foundation and a second end supporting the nacelle, an electrolytic unit arranged above a water level and electrically powered by the generator to produce hydrogen from an input fluid, in particular water, and a fluid supply assembly for supplying the input fluid from a fluid inlet arranged below the water level to the electrolytic unit by means of a fluid connection, wherein the fluid supply assembly includes a cleaning unit configured to clean a build-up formed along an area extending through the inner part of at least a part of the fluid connection or formed at the fluid inlet.

Abstract: A transport apparatus for use in the transport of a heavy structure includes a shape-adjustable adapter realized to adjust between an initial shape and a mating shape; and an actuator configured to effect a change in shape of the shape-adjustable adapter into its initial shape to facilitate positioning of the adapter relative to the structure; and to effect a change in shape of the shape-adjustable adapter into its mating shape to engage the shape-adjustable adapter with a surface of the structure. A method of securing a frustoconical structure during transport is further provided.

Abstract: A method of offshore mounting a wind turbine, the wind turbine including a foundation, a tower, a nacelle and a plurality of blade is provided. The method includes the steps of: a) mounting the foundation on a sea ground; b) mounting the tower to the foundation; c) mounting the nacelle to the tower; and d) mounting the plurality of blades to the nacelle. At least one of the steps a) through c) is performed by use of at least one floating vessel which is exclusively supported by buoyancy when performing the at least one of the steps a) through c).

Abstract: A method of offshore mounting a wind turbine is provided. The wind turbine includes a foundation, a tower, a nacelle and a plurality of blades. The method includes the steps of: a) mounting the foundation on or above a sea ground; b) mounting the tower directly to the foundation, wherein the tower comprises a docking device for docking a service platform, which is configured to be accessed by maintenance personnel; c) mounting the nacelle to the tower; and d) mounting the plurality of blades to the nacelle.

Abstract: Provided is a wind turbine including a tower, a tower adapter attached to the tower and a nacelle attached to the tower adapter, whereby the tower adapter houses at least one electrical device of the wind turbine for conditioning or switching power provided by a generator of the wind turbine.

Abstract: Provided is an offshore structure, especially offshore wind turbine, including a platform that is connected to the seabed, especially via a foundation that carries the platform, and an appliance, wherein it comprises guiding means for guiding at least one tube or cable along a guidance path from a respective entry point at which the tube or cable enters the platform to a respective connection point at which the tube or cable is connected or connectable to the appliance.

Abstract: Provided is a method of installing a transmission cable arrangement of an offshore wind turbine, including step of providing a cable protection assembly, wherein provision of the cable protection assembly includes the steps of installing an outer protective pipe at a marine foundation, which outer protective pipe is realized to extend from a cable hang-off to the seabed; and laying an inner protective pipe through the outer protective pipe to extend from the cable hang-off to a further destination; and wherein the method of installing a transmission cable arrangement further includes a step of loading the transmission cable arrangement into the inner protective pipe towards the further destination. A cable protection assembly and a wind turbine assembly are also provided.