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8841787 Generator set adaptive droop control method  
A method of controlling a plurality of gensets during a failsafe condition is provided. The method may include operating one or more of the gensets according to a modified isochronous control...
8841582 Engine driven welding machine  
An engine driven welding machine that includes a frame with lower tubular portions that extend across the ends of the frame. The lower tubular portions make it easier to lift the engine driven...
8839515 Method, system and device for contributing to the assembly of a wind turbine  
A contribution is made to the assembly of a wind turbine intended to comprise, in a final assembly condition, a tower (2) surmounted by a nacelle (4) cooperating with a rotor (5) receiving a...
8841794 Wind turbine with compensated motor torque  
COMPENSATED MOTOR TORQUE WIND TURBINE, constituted by a single blade (12) rotor (1) attached to a low speed shaft (3) with spindle (2) sustained in a nacelle (9), on gear bearing (7), at the end of...
8841792 Wave energy conversion systems and methods  
A system for producing an output from wave energy for use on an offshore, nearshore or onshore facility includes a support structure having a columnar volume with a first opening and a second...
8841793 Hydroelectric device  
The hydroelectric device contains two base members, a hoist member, a paddle wheel member, and a power generation member. The base members are for the installation of the other members. The host...
8841785 Energy harvester  
An energy harvesting system and method includes a rotatable member with an electrically conductive coil mounted to the rotatable member and adapted to move with the rotatable member such that the...
8841788 Wave energy converter  
A Wave Energy Converter (WEC) (70) to be applied in water vehicles (100, 200) and floating bodies (300) is described. The WEC (70) involves a mass-spring-damper system comprising at least one...
8837116 Power switchgear cabinet of a device for producing electric energy  
The invention relates to a power switch cabinet of a device for producing electric energy. The technical object of obtaining optimum scalability and cooling of a power switch cabinet despite little...
8836152 Hydraulic wave energy converter with variable damping  
A wave energy converter has a shell, a pendulum pivotally positioned in the shell, a pump linked to the pendulum and operable by a movement of the pendulum so as to pump a hydraulic fluid outwardly...
8836155 Hydrodynamic array with mass transit tunnels  
A hydrodynamic array comprises multiple hydrodynamic elements, including a tidal modulator, for producing electricity by the motion of ocean tides or river currents and forces acting on the...
8836151 Starter generator arranged within the flywheel housing in an internal combustion engine  
An arrangement connectable to an internal combustion engine having a crankshaft, the arrangement including a flywheel, which is connectable to the crankshaft and coupled by a coupling device to...
8836154 Wind turbine control methods for improving the production of energy  
Method of operation of a variable speed wind turbine (11) having control means for its regulation tracking a power vs. generator speed curve (31) comprising a nominal zone (39) where the power is...
8836158 Horizontal axis wind turbine systems and methods  
A system for operating a horizontal axis wind turbine includes a turbine rotor and a rotor blade adapted to rotate about a horizontal axis, two vertical shafts, a plurality of gears adapted to...
8836179 Systems and methods of energy harvesting with positive displacement motor  
A system to harvest energy from shaft rotation includes a housing, a curved shaft disposed within the housing, and a magnetostrictive material embedded in the housing. A rotation of the curved...
8836159 Compound-type wind power generator  
A compound-type wind power generator capable of increasing the size of Magnus wind turbine by disposing a propeller wind turbine with the Magnus wind turbine and increasing the amount of electric...
8834115 Girder for supporting a tidal turbine fairing and tidal turbine comprising such a girder  
This girder (8) for supporting a tidal turbine fairing has a parallelogram-shaped cross-section (S), taken perpendicularly to a longitudinal axis (A8) of the girder (8). It includes at least one...
8836191 Power generation apparatus  
A power generation apparatus includes a housing that contains a driving unit of the expander within a space enclosed by a partition wall, and a magnetic coupling that is divided between the inside...
8836157 Power generation device  
A power generation device for a vehicle comprises a housing adapted to removably affix to a rear of a vehicle and a rotatable support member for rotatably supporting a first device, the rotatable...
8836156 Fluid flow energy converter  
A novel oscillator comprises a curved sheet structure. The curved sheet structure comprises a curved sheet and a tensioner. The curved sheet structure oscillates when the tensioner of the curved...
8836153 Wave-power aggregate to extract energy from wave motion in a fluid and the use of a wave-power aggregate  
The present invention relates to a wave-power aggregate and a method of extracting energy from wave motion in a liquid by means of a wave-power aggregate. The wave-power aggregate comprises a...
8829703 Wave power plant  
A wave power plant, including a floating body and a rotator capable of rotating in response to the body's floating motion, characterized in that two or more bodies are elastically moored at a...
8829695 Compact gasifier-genset architecture  
A compact biomass gasification-based power generation system that converts carbonaceous material into electrical power, including an enclosure that encases: a gasifier including a pyrolysis module...
8829696 Energy harvesting device  
An energy harvester is provided. The energy harvester includes a permanent magnet and a coil. At least one of the permanent magnet and coil rotate completely about an axis such that relative...
8829700 Wind turbine nacelle comprising a heat exchanger assembly  
A heat exchanger assembly for cooling a heat-generating component, such as a generator or power electronics module, within a wind turbine nacelle comprises a thermoelectric element, such as a...
8827561 Main bearing for a wind turbine  
A wind turbine includes a tower (8), a nacelle (3) being connected to the tower (8), and a rotor (2) having a rotor hub (6) and a number of rotor blades (7) extending radially outwards from the...
8829706 Adaptive control ducted compound wind turbine  
A high efficiency, adaptive control, compound ducted wind turbine capable of providing higher efficiency in energy extraction from a fluid. Performance of efficiency expressed as coefficient of...
8829705 Hydrodynamic stabilization of a floating structure  
A floating platform including a plurality of pontoons providing buoyancy to the platform, and a ballast section imparting a spatial orientation to the platform. The ballast section includes a high...
8829699 Rotational speed control of a wind turbine based on rotor acceleration  
It is described a method for controlling the rotational speed of a rotor of a wind turbine in particular at high wind speeds. The described method comprises (a) determining a rotor acceleration...
8829701 Resonant mode damping system and method  
A control system for increasing the damping of a resonant mode of a rotor drive train is provided. A control loop is introduced in parallel with the free turbine speed governing control loop. The...
8829704 Wind turbine generator and motor  
A PAVA (parallel and vertical axis) turbine includes a plurality of wing assemblies having vertical pivot shafts extending between two vertically spaced end assemblies that are joined to a central...
8829698 Power generation systems  
A power generation system is provided that includes an internal combustion engine configured to provide rotational mechanical energy. A generator is configured to receive the rotational mechanical...
8829702 Gas turbine engine with internal electromechanical device  
A gas turbine engine including high and low pressure shafts, an electromechanical device having a rotor and a stator coupled such that the rotor is rotatable with respect to the stator, the rotor...
8829697 Method and apparatus for storing energy  
An energy storage apparatus for storing energy transmitted by a power transmission line includes an elastically deformable component and an actuator-generator. The actuator-generator is coupled to...
8823199 Fluid driven turbine  
A fluid turbine comprises a rotor rotatable in use about an axis transverse to the direction of fluid flow. The rotor has a first part carrying a plurality of arcuate blades and a second part...
8823195 Hydro electric energy generation and storage structure  
A hydro electric energy generation structure is disclosed. The structure comprises: a gravity wall forming a closed outer perimeter extending above an upper water level of an existing hydraulic...
8823188 Portable mechatronical device for generating electric power  
The device includes, in a housing, an actuator electrically connected to a battery for charging a portable item such as a mobile terminal. For a rotating actuator comprising a first member...
8823192 Wind turbine control for a weak grid by reducing active power output  
A method is provided for controlling a wind turbine connected to a node connected to a utility grid. The node also has a plurality of other wind turbines connected to it. The method includes...
8823196 Apparatus of wave generators and a mooring system to generate electricity  
An apparatus of wave generators and a mooring system is used to generate electricity includes a floating hull and an anti-drift mooring system. The floating hull that functions as the floating...
8823201 Horizontal ducted wind turbine  
The horizontal ducted wind turbine includes a power generator assembly adapted to be rotatably mounted to an elongate pole. At least one wind funnel assembly extends from one side of the power...
8823193 Method and system for limitation of power output variation in variable generation renewable facilities  
A method and system for controlling the output power from a renewable energy installation (10) to a utility grid (56) having a predetermined bound for a variation in output power per unit of time...
8823332 Fault tolerant electric drive system  
A fault tolerant electric drive system includes an alternator, a motor controller and an electric motor, wherein the alternator and motor each have a plurality of corresponding independent phase...
8823200 Drive unit for windmill  
A cutaway portion is provided in a driving force transmission path and serves as a disconnection mechanism for disconnecting the driving force transmission path under the action of a torque of a...
8823190 Wind power converter structure and wind power generation system including the same  
A wind power converter structure and a wind power generation system including the converter structure are provided. The converter structure includes a plurality of generator-side converters...
8823189 Power recovery system using a rankine power cycle incorporating a two-phase liquid-vapor expander with electric generator  
A power recovery system using the Rankine power cycle incorporating a two-phase liquid-vapor expander with an electric generator which further consists of a heat sink, a heat source, a working...
8823198 Offshore wind park  
Wind farm comprising at least one buoyant structure having two corners provided with a wind turbine and a third corner comprising a mooring section, e.g., with a disconnectable mooring turret. The...
8823197 Diagonal solar chimney  
Heated air rises in a long, diagonal chimney up the side of a mountain. The airflow in the chimney turns wind turbines. Air entering the chimney's feeder tubes is heated in stages, where each stage...
8823191 Method and arrangement for controlling a wind turbine using oscillation detection  
A method for controlling a wind turbine is provided. The method includes monitoring an electrical quantity at an output terminal of the wind turbine. The electric quantity has an amplitude and...
8823194 Modular alternative energy unit  
A wind energy apparatus is made up of a plurality of modular wind energy devices or units. Each unit has a housing and at least two turbines mounted on the housing. Each of the turbines has a blade...
8816519 Blade angle adjustment drive for a wind power plant  
A blade angle adjustment drive for a wind power plant having an electrical converter, an electric motor electrically coupled to the converter, and a monitoring unit which monitors the operation of...