A wind turbine is provided including: a power production component including at least a generator; an electric assembly and at least one first further wind turbine to an electric export cable, which is connectable or connected to a power grid, such that the electric assembly configures the wind turbine as a booster turbine, wherein the electric assembly comprises: a switchgear operated on a first lower voltage level; a transformer for transforming, from a primary side of the transformer, and a second higher voltage level input and/or output interface, located at the secondary side of the transformer and operating on the second higher voltage level, for providing an interconnection link to a second further wind turbine that is configured as a booster turbine and is arranged to receive and/or provide power via the interconnection link on the second higher voltage level.

A pitch energy module comprising one or more ultracapacitors storing electrical energy for a wind turbine emergency pitch energy event. The pitch energy module replaces at least one battery within a battery housing of a wind turbine and interfaces with the existing battery wiring harness to communicate with a control system of the wind turbine. The pitch energy module is installed without further modification to the battery housing or the battery wiring harness.

The present disclosure relates to towers for wind turbines comprising a top section supporting a nacelle about a yaw axis, wherein the nacelle comprises an electric power component and a power cable for electrically connecting the electric power component to an electrical connection point in a lower section of the tower. The power cable extends downwards from the nacelle to a first height along a substantially central area of the tower, and at a first height the power cable comprises a power cable loop. The power cable loop includes an upwards curve, and a downwards curve. The power cable loop comprises a movable cable part, and a fixed cable part, and the fixed cable part comprises at least a portion of the downwards curve. The present disclosure further relates to wind turbines and to methods for arranging cables in wind turbine towers.

A pitch energy module comprising one or more ultracapacitors storing electrical energy for a wind turbine emergency pitch energy event. The pitch energy module replaces at least one battery within a battery housing of a wind turbine and interfaces with the existing battery wiring harness to communicate with a control system of the wind turbine. The pitch energy module is installed without further modification to the battery housing or the battery wiring harness.

A wind turbine blade having at least two blade modules extending in the spanwise direction of the blade and being configured for connection end-to-end at a connection joint An electromagnetic shield is positioned in electrically conductive contact with the blade modules and extending across the connection joint in the spanwise direction.

The invention discloses a convenient human and animal power drive permanent magnet power generation and storage system, comprising a grip power drive power generation system; the grip power drive power generation system is a dumbbell-shaped grip power generation device, comprising a grip handle and power generation devices provided at both ends of the grip handle; the power generation device is composed of a permanent magnet generator, a tensioning wheel, a spring sheet, a winder ratchet device, and a battery; folding buckles are provided between the power generation devices at both ends and the grip handle so as to be folded inward. The invention solves the problem of continuous power guarantee of wearable intelligent device; in the invention, the grip-type slow gear is designed as a spring tensioning device similar to a mechanical watch; the stress generated during the grip tightens the spring.

A wind turbine blade having at least two blade modules extending in the spanwise direction of the blade and being configured for connection end-to-end at a connection joint An electromagnetic shield is positioned in electrically conductive contact with the blade modules and extending across the connection joint in the spanwise direction.

An energy recovery system for machines each having a mechanical power transmission system that generate energy in a first portion of a mechanical power transmission system cycle and draw energy from an energy source in a second portion of the cycle incudes a power distribution assembly configured to receive energy generated during the first portion of the cycle, a plurality of actuator controller devices configured to selectively output energy to a corresponding actuator of each of the plurality of machines, each of the plurality of actuator controller devices electrically coupled to the power distribution assembly and configured to reuse energy received by the power distribution assembly, and, a controller for each of the plurality of actuator controller devices programmed to adjust the output energy of the corresponding actuator controller device to substantially maintain a voltage level of the power distribution assembly relative to a voltage level setpoint.

An offshore wind turbine with anti-accumulation of aquatic organisms, comprising: a base with an interior space, the base being made of conductive material; a tower incorporated above the base; a nacelle, connected to the tower; a plurality of blades, each interconnected with the nacelle; and a power supply system electrically connected to the base and disposed within the interior space, the power supply system being used to provide electrical energy to the base to energize the surface of the base to form an electric field.

A connection system for connecting at least two cables to or from a floating energy converter device is provided, comprising at least two cables, a lower connection structure, and an upper connection structure, at least one longitudinal element joining the lower connection structure and the upper connection structure. The at least two cables run through the lower connection structure and each of the cables are connected to the upper connection structure and each comprises a connectable end at the upper connection structure, wherein the system is non-buoyant, and the at least one longitudinal element is a flexible longitudinal element.