A method of mitigating a vibration of a wind turbine not receiving power from to a utility grid includes: receiving power from an energy storage system of the wind turbine; utilizing the power received from the energy storage system: to detect a wind direction and to adjust an orientation of the rotor axis of a rotor shaft, if a criterion is satisfied taking into account at least the relative orientation of the rotor axis and the detected wind direction and/or taking into account a level of the vibration.

A system for servicing watercraft includes one or more waterborne platforms. Each waterborne platform includes an electric power supply, a driving system for moving the waterborne platform in a body of water, a watercraft interfacing system configured to at least supply electric power to an electrically-powered watercraft, and a control interface configured to exchange data with a controller. The controller is configured to: receive input data, determine respective destination locations for the waterborne platforms to supply electric power to the electrically-powered watercraft, and send control data that includes data indicating the destination locations to the waterborne platforms.

The vertical wind turbine and system generally comprises a rotor assembly having a plurality of blades, a fixed central spindle having a central axis for supporting rotation of the rotor assembly, a blade adjustment mechanism assembly for adjusting the blade angle of attack throughout rotation of the rotor assembly, and a support framework for supporting the rotor assembly at an elevated position in order to gain access to a sustained source of wind. The wind turbine may be operably coupled with a power electric generator or other device which transfers mechanical energy into electrical energy as a combined system.

Provided is a method of controlling a wind turbine during damping a mechanical oscillation of the wind turbine having a generator system coupled to a rotor at which plural rotor blades are mounted, the method including: generating a damping control signal in dependence of an indication of the oscillation; performing damping control of the generator system based on the damping control signal causing damping related power output variation at an output terminal of the generator system; and controlling an energy storage device connected to the output terminal of the generator system and connected to an output terminal of the wind turbine based on the damping control signal.

Provided is a method of controlling a wind turbine during damping a mechanical oscillation of the wind turbine having a generator system coupled to a rotor at which plural rotor blades are mounted, the method including: generating a damping control signal in dependence of an indication of the oscillation; performing damping control of the generator system based on the damping control signal causing damping related power output variation at an output terminal of the generator system; and controlling an energy storage device connected to the output terminal of the generator system and connected to an output terminal of the wind turbine based on the damping control signal.

A Mobile Autonomous Solar-Wind Electrical Station (MASWES) comprises an offshore container (2), which equipped with a reinforced case (18); a reinforced grillage (19) provided by at least two beams laid along, and plurality beams laid across the container (2); at least two reinforced internal columns (42) arranged in opposite comers of the container (2) and between the grillage (19) and the middle part of the reinforced case (18); a plurality of light reflecting mats (21); a plurality of movable screw-piles (22), which in the transport position are stored in the plurality of cylindrical channels (38); at least two monolithic towers or telescopic masts (52) of powerful horizontal-axis wind turbines (23) providing at least 10 kW power each with blades and wind vanes taken off in the transport position. The reinforced internal columns (42) are the bases for the monolithic towers or the telescopic masts (52) and equipped with a hydraulic mechanism or an electric actuator (54) and an erection tool for installation of mentioned monolithic towers or telescopic masts (52). The container (2) comprises gondolas, which in the transport position are arranged horizontally in opposite ends of the container (2); a plurality of photovoltaic double-sided panels (24); a plurality of multifold frameworks for photovoltaic panel arrays (25) with at least 30 kW power total and at least one charging point (28) stored inside the container and at least one rechargeable battery (31).

The present invention relates to a wind powered, electrical power generating system for vehicles. The system uses inexhaustible and clean wind energy to produce electrical power for an electric vehicle. The system includes at least one wind turbine positioned to capture wind and coupled to an electromechanical generator for converting the wind into electrical power. The electrical power produced by the generator is stored in a battery pack, for providing electrical power to the DC motor of the vehicle. The battery pack includes three batteries, which either provide power to the DC motor, or are recharged by the generator, depending on their respective power levels. An auto change component swaps the first battery for the second battery, when the power level of the first battery falls below a predefined threshold value.

The present invention relates to a wind powered, electrical power generating system for vehicles. The system uses inexhaustible and clean wind energy to produce electrical power for an electric vehicle. The system includes at least one wind turbine positioned to capture wind and coupled to an electromechanical generator for converting the wind into electrical power. The electrical power produced by the generator is stored in a battery pack, for providing electrical power to the DC motor of the vehicle. The battery pack includes three batteries, which either provide power to the DC motor, or are recharged by the generator, depending on their respective power levels. An auto change component swaps the first battery for the second battery, when the power level of the first battery falls below a predefined threshold value.

A method for controlling a wind power installation or a wind farm is provided. The method includes establishing that there is a grid fault within an electrical power supply grid operated by a grid operator and to which the wind power installation or the wind farm is electrically connected via a point of common coupling; switching electrical switches of the wind power installation or the wind farm using a control unit of the wind power installation or the wind farm which is operated by a low-voltage power supply, so that the wind power installation or the wind farm is voltage-free; testing an electrical store for ensuring the low-voltage power supply once the grid fault has been established; and switching further electrical switches of the wind power installation or the wind farm to a predefined switching state in which start-up of the wind power installation or the wind farm is possible.

A method for controlling a wind power installation or a wind farm is provided. The method includes establishing that there is a grid fault within an electrical power supply grid operated by a grid operator and to which the wind power installation or the wind farm is electrically connected via a point of common coupling; switching electrical switches of the wind power installation or the wind farm using a control unit of the wind power installation or the wind farm which is operated by a low-voltage power supply, so that the wind power installation or the wind farm is voltage-free; testing an electrical store for ensuring the low-voltage power supply once the grid fault has been established; and switching further electrical switches of the wind power installation or the wind farm to a predefined switching state in which start-up of the wind power installation or the wind farm is possible.