The present disclosure relates to a heat dissipation system, a wind generating set, and a heat dissipation supporting platform. The heat dissipation system includes: a supporting platform, the supporting platform including a body portion, the body portion including an inlet, an outlet, a flow channel communicating the inlet with the outlet, and a mounting position for mounting a functional device, the inlet, the outlet and the flow channel together form a medium circulation passage; and a heat exchange apparatus which communicates with the medium circulation passage and delivers the cooling medium into the medium circulation passage, the cooling medium flowing through the inlet and the flow channel and flowing out from the outlet to exchange heat with the functional device.

A fluid apparatus includes a hydraulic machine, a rotary electric machine connected to the hydraulic machine, and a power conversion controller that converts power from the rotary electric machine. A non-normal operation is performed in a warning state that differs from a normal state in which a normal operation is continued and an anomalous state in which operation is stopped to continue a stopped condition.

A wind turbine has a nacelle which houses operative components such as a transformer or converter which in use generate unwanted heat, the nacelle including an external nacelle cover (20) to form the outer nacelle enclosure, and provided with a panel (24) which overlies a bottom cover (22) region forming therewith a conduit for directing external air to one or more of the heat generating operative components for cooling purposes.

A wave energy converter (WEC) system includes a float, a drivetrain, a reaction structure coupled to the drivetrain by at least one tendon, and a power dissipation system coupled to the drivetrain. The power dissipation system is configured to manage peak loads in the WEC system by dissipating peak energy spikes caused by relative movement of the reaction structure and the float.

A canopy for a direct drive wind turbine is provided. The canopy includes an interface section configured for mechanically coupling the canopy to a generator, wherein the interface section includes at least one outlet configured to receive cooling fluid exhausted by the generator and eject the received cooling fluid. A wind turbine including such a canopy is also provided.

The present disclosure relates to electrical machines, cooling systems and methods for cooling active elements of electrical machines. More in particular, the present disclosure relates to cooling systems and methods for cooling active rotor and/or stator elements of a generator of a wind turbine, e.g. of a direct drive wind turbine. A cooling method comprises supplying a cooling fluid to an air gap through one or more primary inlets of an electrical machine for cooling a plurality of active elements of a rotor of the electrical machine and/or a plurality of active elements of a stator of the electrical machine separated by the air gap. The method further comprises reversing a direction of flow of the cooling fluid such that the cooling fluid is extracted from the electrical machine through one or more primary inlets.

The present application relates to a slot wedge element, a stator device, a motor, and a wind turbine. The slot wedge element extends in a first direction and has opposite first and second edges has a first surface and a second surface in the thickness direction thereof, and is attached to a winding of the stator device via the first surface. The second surface includes a first portion, a second portion, and a third portion sequentially distributed in the first direction. A second thickness between the second portion and the first surface is greater than a first thickness between the first portion and the first surface, and the second thickness is greater than or equal to a third thickness between the third portion and the first surface. The first thickness is decreasingly distributed in a direction from the second portion to the first edge.

A wind turbine blade comprising an electro-thermal heating element with a tapering width. The electro-thermal heating element comprises: electrically resistive sheet material; a first electrode which is in electrical contact with the sheet material and positioned at a first end of the element; and a second electrode which is in electrical contact with the sheet material and positioned at a second end of the sheet material. An electrically conductive strip extends across a width of the element. The sheet material has a first part on a first side of the strip and a second part on a second side of the strip. The strip is in electrical contact with the first and second parts of the sheet material. The first part of the sheet material has a first width, and the second part of the sheet material has a second width which is different to the first width.

A nacelle housing of a nacelle of a wind turbine is provided. The nacelle housing includes a ventilation opening of a cooling system of the wind turbine, a cover closing the ventilation opening, the cover being configured to allow an airflow through the cover and the ventilation opening, and a service hatch for hoisting a load into or out of the nacelle housing. The service hatch is provided by the ventilation opening and the cover, wherein the cover is configured as a service door of the service hatch that is opened to allow the hoisting of a load through the ventilation opening into or out of the nacelle housing. Furthermore, a method of hoisting a load into or out of a nacelle housing of a wind turbine is provided.

A wind turbine rotor blade is provided comprising a rotor blade root region, a rotor blade tip region, a pressure side, a suction side, a front edge, a rear edge and at least one web along a longitudinal direction of the rotor blade. Furthermore, a deflecting unit is provided comprising at least two deflecting bends between one end of the at least one web and the rotor blade tip region.