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3050results about "Wind energy with electric storage" patented technology
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Island network and method for operation of an island network
InactiveUS20050225090A1Improve efficiencyNeed lessWind motor controlWorking fluid for enginesElectromagnetic couplingPower inverter
The invention relates to an island network with at least one energy generator, using regenerative energy sources, whereby the energy generator is preferably a wind energy plant with a first synchronous generator, a DC link, at least one first power rectifier and a power inverter, a second synchronous generator and an internal combustion engine which may be coupled with the second synchronous generator. A fully controllable wind energy unit (10) and an electromagnetic coupling (34) between the second synchronous generator (32) and the internal combustion engine (30) are provided in order to establish an island network in which the internal combustion engine can be switched off completely, so long as the wind energy unit is generating enough power for all connected users with an efficiency which is as high as possible.
Owner:WOBBEN ALOYS
Mobile power system
A mobile power system for producing power at a desired location includes a first power generating device of a first type coupled to a transportable housing, and a second power generating device of a second type coupled to the transportable housing. The first type of power generating device is different than the second type of power generating device. According to an exemplary embodiment, the mobile power system may provide easy access to different types of power outputs. Further, the housing may have the approximate size of a standard freight container.
Owner:SKYBUILT POWER
Systems, methods, and devices including modular, fixed and transportable structures incorporating solar and wind generation technologies for production of electricity
Disclosed are systems, methods, and devices related to fixed and transportable structures and vehicles utilizing the integration of solar and wind technologies for generation of electricity. The system generates electricity using solar panels (and / or solar thermal units) and wind turbines, stores and converts electricity, and can be located in various locations either as fixed or portable embodiments including on land, on water, underwater, air and space and may also be housed in a structure to provide electricity for various facilities and uses.
Owner:SPECTRA SYST & TECH INC
Wind energy capturing device for moving vehicles
InactiveUS6838782B2Reduce resistanceEngine fuctionsWind motor supports/mountsElectric vehicleElectric generator
A wind energy capturing device for moving vehicles including a wind turbine powered electrical power generator for installation on the roof of a moving vehicle such as a truck cab or tractor. The invention takes advantage of the powerful wind force generated by the vehicle moving on the road at moderate to high speed impinging against the wind deflector mounted on the truck cab or tractor. This otherwise “wasted” wind energy is captured and directed to the face area of the rotor blade, rotating the turbine, which, in turn, drives the generator to generate electricity. The electrical energy may be stored in a battery system and used to drive the motors of an electric vehicle or hybrid-electric vehicle.
Owner:VU THOMAS H
Dispatchable renewable energy generation, control and storage facility
The present invention includes a system and method for generating, controlling and storing dispatchable renewable energy. The system may include one or more wind power generation facilities and one or more solar power generation facilities to generate power that can be stored by one or more storage facilities. The power can be supplied to a power grid at a level determined by actual or predicted weather conditions, based on variable power demands. The power generated by the renewable energy sources may be combined with power generated by conventional power generation facilities to provide power in a dispatchable manner.
Owner:INVENTUS HLDG
Methods and apparatus for advanced wind turbine design
ActiveUS20070024058A1Eliminate needReduced pressure levelWind motor controlEngine fuctionsHigh energyHydraulic pump
A wind turbine system includes a variable blade assembly including adjustable sails and wing shaped masts expanding the wind velocity capture envelope. The blade assembly turns a hydraulic pump, which pressurizes fluid and stores the pressurized fluid in a chamber in the support tower. Pressurized fluid is directed via an electronically controllable proportioning valve to a hydraulic motor which is coupled to an electric generator. A computer control module operates the proportioning valve regulating pressure to the hydraulic motor, maintaining generator rotational speed, and providing consistent output frequency to the power grid. Stored energy in the high pressure tank is used to continue generator operation after the winds cease, allowing early warning notification to the power management system of impending power loss. Residual pressure maintained in the high pressure tank allows restart operations via hydraulic pressure rather than power grid energy drain. On site high energy capacitors store additional energy.
Owner:MCCLINTIC FRANK
Mobile renewable energy generator
A method and apparatus for a portable renewable energy generator includes; a movable platform adapted for one of towing and transport to a remote area, a redundant renewable energy source generator including a wind energy extraction device configured for transport on the movable platform, and a battery system operably connected to the redundant renewable energy source generator. The battery system is configured to store electrical energy generated by the redundant renewable energy source generator.
Owner:GENERAL ELECTRIC CO
Portable power system
A remote and portable, hybrid power system comprising one or more of the following components: a solar system, batteries, a back-up generator, a wind energy system, and a communications system. The components are disposed on a platform that is portable and transportable to the remote location by a truck or other transportation vehicle.
Owner:SACRED POWER CORP
Method and apparatus for using wind turbines to generate and supply uninterrupted power to locations remote from the power grid
InactiveUS6927503B2Efficiently and continuouslyLittle orFrom solar energyWind energy with electric storagePower gridHigh pressure
The present invention relates to a wind energy generating and storing system comprising methods and apparatuses for providing energy dedicated for immediate use and energy storage, to provide electrical power on an uninterrupted and continous basis, to locations remote from an electrical power grid. In a large application, the invention contemplates having a predetermined number of windmills dedicated for immediate use, and a predetermined number of windmills dedicated for energy storage, as compressed air energy in one or more high pressure tanks. A hybrid windmill having the ability to simultaneously switch between energy for immediate use and energy storage can also be provided.
Owner:ENIS BEN M +1
Up-wind type windmill and operating method therefor
InactiveUS7436083B2Avoid it happening againReduce weightWind motor controlWind energy with electric storageNacelleElectric power
A structure of an upwind type wind turbine and the operating method thereof capable of preventing the occurrence of damage of the blades by evading excessive irregular loads from acting on the blades in the slanting direction in the event of power failure when strong wind blows, are provided.In the upwind type wind turbine having a nacelle supported for rotation on a support, the nacelle is rotated to a downwind position by rotating it by 180° from a normal upwind position and kept in stand-by condition at a downwind position when detected wind speed is higher than the predetermined cutout wind speed, which is the reference wind speed for shifting to an idle operation state. When the detected wind speed is higher than the DWSS wind speed determined based on the maximum permissible instantaneous wind speed, the nacelle is rotated from an upwind position to a downwind position and the yaw brake is released.
Owner:MITSUBISHI HEAVY IND LTD
Wind turbine energy storage and frequency control
Commands are generated for controlling a state of charge of an energy storage device coupled between an energy source and an auxiliary load. Commands are also generated for providing from the energy storage device to the auxiliary load and for using power from the energy storage device for controlling a DC link voltage, energy source torque, grid side power flow, or combinations thereof. Commands may also be generated to provide frequency compatible power to auxiliary loads of the energy source.
Owner:GENERAL ELECTRIC CO
Methods and apparatus for advanced wind turbine design
ActiveUS7183664B2Eliminate needReduce pressureWind motor controlEngine fuctionsHigh energyHydraulic pump
A wind turbine system includes a variable blade assembly including adjustable sails and wing shaped masts expanding the wind velocity capture envelope. The blade assembly turns a hydraulic pump, which pressurizes fluid and stores the pressurized fluid in a chamber in the support tower. Pressurized fluid is directed via an electronically controllable proportioning valve to a hydraulic motor which is coupled to an electric generator. A computer control module operates the proportioning valve regulating pressure to the hydraulic motor, maintaining generator rotational speed, and providing consistent output frequency to the power grid. Stored energy in the high pressure tank is used to continue generator operation after the winds cease, allowing early warning notification to the power management system of impending power loss. Residual pressure maintained in the high pressure tank allows restart operations via hydraulic pressure rather than power grid energy drain. On site high energy capacitors store additional energy.
Owner:MCCLINTIC FRANK
Vehical wind operated generator
InactiveUS6882059B1Continuous power supplyBig impactAuxillary drivesEngine controllersTurbineWind force
Wind operated electrical generating apparatus includes a housing designed to be attached to the front of a vehicle and formed to extend substantially the length of the front of the vehicle for intercepting air flow produced by movement of the vehicle. The housing is further formed with an opening designed to direct intercepted air flow into a channel. A turbine is rotatably mounted within the housing in the channel for rotation of the turbine with air flow in the channel and an electrical generator is attached to the turbine for rotation with the turbine. The housing can be attached to the front bumper of a vehicle or be attached in lieu of the front bumper.
Owner:DEPAOLI MICHAEL
Mobile renewable energy generator
InactiveUS20050218657A1Photovoltaic supportsSolar heating energyBattery systemRenewable power generation
A method and apparatus for a portable renewable energy generator includes; a movable platform adapted for one of towing and transport to a remote area, a redundant renewable energy source generator including a wind energy extraction device configured for transport on the movable platform, and a battery system operably connected to the redundant renewable energy source generator. The battery system is configured to store electrical energy generated by the redundant renewable energy source generator.
Owner:GENERAL ELECTRIC CO
Piezoelectric windmill apparatus
InactiveUS20100052324A1Additive manufacturing apparatusPiezoelectric/electrostriction/magnetostriction machinesElectricityEngineering
A piezoelectric windmill configured to handle small scale wind flow. One embodiment the piezoelectric windmill solves problems associated with harvesting energy and generating electric energy or power using piezoelectric materials having significant advantages over previously available materials.
Owner:BOARD OF REGENTS
Wind power generation system of a type provided with power storage system
ActiveUS20090295162A1Reduce lossesEasy dischargeBatteries circuit arrangementsWind motor controlWind power systemTurbine
A wind power generation system having a group of wind turbine generators includes a superior controller having a generation power recording memory to record a sum of a generation power of the group of wind turbine generators and a charge and discharge power of a power storage system, a charge and discharge power command computing device for computing a charge and discharge power command for the power storage system in a second period by making use of information of the output power in a first period computed in the output power computing unit and information of a detection value at the present of the generation power recording memory, and a charge and discharge power control device.
Owner:HITACHI ENG & SERVICES CO LTD
Wind power generation system, arrangement of permanent magnets, and electrical power-mechanical force converter
InactiveUS7417334B2Reduce weightSmooth rotationWind motor supports/mountsMachines/enginesImpellerRelative motion
A wind power generation system 10 comprising a frame, an impeller 12 rotatably supported by the frame, plural permanent magnets 31 aligned at equal intervals from the rotation center, and coils 32 aligned annularly on the frame. The relative motion of the permanent magnets 31 and the coils 32 in close vicinity generates electric powers by the inverse action of a linear motor. The coils 32 are mounted on the ring provided on the frame, and the permanent magnets 31 are provided on the lower end of the longitudinal blades 26 of the impeller.
Owner:SHIRO KINPARA
Tethered airborne wind-driven power generator
InactiveUS20110057453A1Reduce stressImprove power production efficiencyWind energy with electric storageMachines/enginesWind drivenInstability
A tethered airborne wind-driven power generation device providing, in various embodiments, a main tether and plurality of auxiliary tethers, feedback controls for continuously adjusting pitch, roll and yaw, and a Vee-shaped configuration for disposing rotors along the frame of the device. The auxiliary tethers avoid slack and resultant transient instability, and the Vee-shaped rotor disposition takes advantage of upwash or any other aerodynamic benefit from the rotors adjacent to it, to improve efficiency.
Owner:ROBERTS BRYAN WILLIAM
Mobile power system
A mobile power system for producing power at a desired location includes a first power generating device of a first type coupled to a transportable housing, and a second power generating device of a second type coupled to the transportable housing. The first type of power generating device is different than the second type of power generating device. According to an exemplary embodiment, the mobile power system may provide easy access to different types of power outputs. Further, the housing may have the approximate size of a standard freight container.
Owner:SKYBUILT POWER
Wind turbine device
InactiveUS7362004B2Reduce blade dragConvenient lengthWind energy with electric storageWind motor supports/mountsDevice formOperational capabilities
Owner:BECKER WILLIAM S
Mobile hybrid electrical power source
InactiveUS20100207452A1Easy to operateReadily apparentBatteries circuit arrangementsMachines/enginesPower gridTruck
The mobile hybrid electrical power source (100) is reconfigurably disposed in a street-legal size compact metallic container (105) positioned on a hydraulic trailer (107) that can be towed by a truck. An alignment pin (109) is provided on the container (105) for aligning and mating the container with a rotary bearing (111) on the trailer (107). The rotary bearing (111) allows the metallic container (105) to rotate about a vertical central axis + / −180° from an initial position of the container (105). The generator (100) combines a plurality of power sources to provide optimal operation in multiple applications and conditions. The power sources comprise wind, solar, and fossil fuel energy components. When a power grid is available, the mobile hybrid electrical power source (100) can be connected to the grid to sell energy back to the grid.
Owner:SAAB ANTOINE
Method of coordinating and stabilizing the delivery of wind generated energy
InactiveUS7308361B2Smoothing and stabilizing delivery of powerStable deliveryGeneration forecast in ac networkWind motor controlConstant powerPower grid
The invention relates to a method of coordinating and stabilizing the delivery of wind generated power, such as to a power grid, so as to avoid sudden surges and spikes, despite wind speed fluctuations and oscillations. The method preferably uses a plurality of windmill stations, including a number of immediate use stations, energy storage stations, and hybrid stations, wherein energy can be used directly by the power grid, and stored for later use when demand is high or wind availability is low. The method contemplates forming an energy delivery schedule, to coordinate the use of direct energy and energy from storage, based on daily wind speed forecasts, which help to predict the resulting wind power availability levels for the upcoming day. The schedule preferably sets a reduced number of constant power output periods during the day, during which time energy delivery levels remain substantially constant, despite fluctuations and oscillations in wind speed and wind power availability levels.
Owner:ENIS BEN M +1
Power generation system incorporating a vanadium redox battery and a direct current wind turbine generator
ActiveUS20050156432A1Batteries circuit arrangementsWind energy with electric storageVanadium redox batteryControl system
A power generation system includes a wind turbine generator and a vanadium redox battery to compensate for fluctuations in wind power. The wind turbine generator provides DC power that may be used to charge the vanadium redox battery. Generated DC power may also be used for power distribution and, if required, supplemented by DC power from the vanadium redox battery. The power generation system interfaces with a control system to optimize performance and efficiency.
Owner:VRB ENERGY INC
Wind turbine and method of manufacture
ActiveUS20070013194A1Easy to processImprove distributionWind motor controlWind energy with electric storageAlternatorTurbine
A variable voltage and frequency output wind turbine. Variations of the wind turbine include use of a slotless alternator to reduce alternator noise, a high power AC output to facilitate transmission of the output over extended distances, AC to DC converters and DC to AC converters, and sensors for systems and devices to receive the wind turbine output and to allow matching of the output to the receiving devices and system. Other features include a removable hatchcover for dissipating heat from components contained in the turbine or attached to the hatchcover, a swept blade design to reduce blade-produced noise, and power storage components for storing and intermittently using energy stored as a result of wind turbine power generation.
Owner:WIND RESOURCE LLC
Power control interface between a wind farm and a power transmission system
ActiveUS6858953B2Isolates power fluctuationInhibit injectionConversion with intermediate conversion to dcEngine fuctionsElectric power transmissionEngineering
Owner:HAWAIIAN ELECTRIC
Wind turbine operating apparatus and operating method
ActiveUS20080084068A1Reduce weightLow costWind motor controlWind energy with electric storageNacelleEngineering
An apparatus and a method for operating a wind turbine capable of preventing the occurrence of damage of the blades by evading excessive irregular loads from acting on the blades in the slanting direction in the event of power failure when strong wind blows, are provided. The operating method of a wind turbine having a support 106 standing erect on the ground or on a ship; a wind turbine 100A with a nacelle 102 supported for swivel movement in a horizontal plane, a rotor 105 having a plurality of blades 101 and being rotated by wind force acting on the blades 101, and a generator being contained in the nacelle and connected to the rotor 105; a rotation driving mechanism 4 for swiveling the wind turbine 100A; and a brake device for controlling the rotation of the wind turbine comprises the step of: rotating the wind turbine to naturally follow the direction of wind in a state that the rotor is positioned in a downwind position when one of signals of abnormality in the generator or abnormality of undue load of wind to the blades is detected.
Owner:MITSUBISHI HEAVY IND LTD
Wind power generation system, arrangement of permanent magnets, and electrical power-mechanical force converter
InactiveUS20070040385A1Improve power generation efficiencyGenerate efficientlyWind motor supports/mountsMachines/enginesImpellerEngineering
A wind power generation system 10 comprising a frame, an impeller 12 rotatably supported by the frame, plural permanent magnets 31 aligned at equal intervals from the rotation center, and coils 32 aligned annularly on the frame. The relative motion of the permanent magnets 31 and the coils 32 in close vicinity generates electric powers by the inverse action of a linear motor. The coils 32 are mounted on the ring provided on the frame, and the permanent magnets 31 are provided on the lower end of the longitudinal blades 26 of the impeller.
Owner:SHIRO KINPARA
Airborne wind turbine electricity generating system
InactiveUS7582981B1High operating requirementsLarge capacityWind motor controlWind energy with electric storageElectricityElectric generator
An airborne system for producing electricity from wind energy includes a shaft, at least two turbines rotatably mounted to the shaft and arranged to rotate independent of one another and in opposite directions when subjected to the same wind, and generators which convert rotation of the turbines into electricity. The magnitude of electricity generation by the generators is related to the magnitude of torque induced by the generators on the shaft, and the electricity generation by the generators may be controlled such that torques induced on the shaft by the generators is controlled such that a sum of torques induced on the shaft is substantially zero. A lifting structure generates a lifting force to lift the turbines to a desires altitude, and an anchoring system anchors the turbines relative to the ground. Generated electricity is conducted to users, to electricity storage, or to processing components.
Owner:MELLER MOSHE
Method for retrofitting wind turbine farms
ActiveUS7227275B2Wind energy with electric storageEnergy storageVanadium redox batteryControl system
A power generation system with a predetermined rating limit includes one or more wind turbine generators and a vanadium redox battery. The vanadium redox battery absorbs excess energy to ensure that the rating limit is not exceeded, provide system stability, and improve power generation availability. The power generation system may further include a control system to manage the vanadium redox battery's absorption and power generation to control system stability and system frequency.
Owner:VRB ENERGY INC
Vanadium redox battery energy storage and power generation system incorporating and optimizing diesel engine generators
ActiveUS20050156431A1Batteries circuit arrangementsLevel controlVanadium redox batteryElectrical battery
A power generation system includes a vanadium redox battery that interfaces with a control system to optimize performance and efficiency. The power generation system may include one or more wind turbine generators and one or more diesel fuel generators. The control system manages the vanadium redox battery's absorption and power generation to control system stability and system frequency. The control system further manages the operation of the wind turbine generators and diesel fuel generators to control system stability and voltage.
Owner:VRB ENERGY INC
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