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43results about How to "Maximize power generation efficiency" patented technology
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Solid oxide fuel cell and stack configuration
InactiveUS20070141424A1Use minimizedReduce manufacturing costFuel cells groupingFinal product manufactureFuel cellsBusbar
A fuel cell unit includes an array of solid oxide fuel cell tube sheets having porous metallic exterior surfaces, interior fuel cell layers, and interior surfaces, and at least one header in operable communication with the array of solid oxide fuel cell tube sheets for directing a first reactive gas into contact with the porous metallic exterior surfaces and for directing a second reactive gas into contact with the interior surfaces, the header further comprising at least one busbar selected from the group consisting of an exterior busbar disposed in electrical contact with the porous metallic exterior surfaces and an interior busbar disposed in electrical contact with the interior surfaces.
Owner:WORLDWIDE ENERGY INC OF DELAWARE
Wind power generation device
InactiveUS7354245B2Increase wind speedEliminating flow of windWind motor controlPump componentsImpellerNacelle
Owner:BABA TECHN LAB
Regional voltage layered and distributed cooperative control system of photovoltaic power distribution network
ActiveCN107086578AMaximize power generation efficiencyResolve limit violationsSingle network parallel feeding arrangementsAc network voltage adjustmentOvervoltageTransformer
The invention provides a regional voltage layered and distributed cooperative control system of a photovoltaic power distribution network. When voltage does not exceed the limit on a user layer, local reactive compensation will come into play so as to restrain generation of overvoltage. When feeder line voltage exceeds the limit, the passive compensation of distributed cooperative control comes into play in advance so as to reduce voltage regulation cost. When passive capacity is completely consumed and the voltage still exceeds the limit, an active shrinkage strategy of the distributed cooperative control acquires an optimized photovoltaic active shrinkage solution through little distribution communication and local calculation. When feeder line voltage recovers to normal, through the power recovery control, maximized photovoltaic power generation benefits can be ensured. Through transformer station layer voltage, voltage information and in-station information based on feeder line key nodes are controlled, and by use of a nine-area graph of a fuzzy passive boundary, a limit exceeding problem of the feeder line voltage is solved by adjusting voltage of the low-voltage side of a transformer.
Owner:NINGBO POWER SUPPLY COMPANY STATE GRID ZHEJIANG ELECTRIC POWER +1
Integrated scheduling system for small and medium radial flow type hydropower station group
ActiveCN103714426ABreak the boundaries of scheduling managementImprove management levelResourcesSystems intergating technologiesEngineeringDrainage basin
The invention discloses an integrated scheduling system for a small and medium radial flow type hydropower station group. Rain and water condition information acquired from a rain and water condition monitoring terminal, flow information acquired from a flow monitoring terminal, power station information, power station installing information and electrical network electricity demand acquired from a power station operation monitoring terminal are provided by a data collection platform for a scheduling plan compiling platform to generate a corresponding scheduling plan, related data is further acquired by an information issuing platform from the data collection platform to comprehensively display various types of information in a basin, through establishment of the integrated scheduling system for the small and medium radial flow type hydropower station group, integrated hydropower scheduling is carried out at county net factories, a traditional, single and rough hydropower station management mode is changed, electrical network scheduling management boundary is broken, management capacity of small and medium water power enterprises is improved integrally, and energy saving, emission reduction, water saving and power generation increase are realized.
Owner:STATE GRID CORP OF CHINA +2
Control apparatus for controlling vehicle drive apparatus, and vehicle drive system including the control apparatus
ActiveUS20050279546A1Maximize efficiencyMaximize generationHybrid vehiclesElectric propulsion mountingDrive wheelAutomatic transmission
A control apparatus for controlling a vehicle drive apparatus including: (i) a power transmitting member; (ii) a differential mechanism which has a first element connected to an engine, a second element connected to a first electric motor, and a third element connected to a second electric motor and the power transmitting member; (iii) an automatic transmission constituting at least a part of a power transmitting path between the power transmitting member and a drive wheel; and (iv) a differential-state switching device operable to selectively place the differential mechanism in its differential state in which the second and third elements are rotatable at respective different speeds, and in its non-differential state in which the second and third elements are not rotatable at respective different speeds. The control apparatus includes a switching device controller operable to cause the differential-state switching device to place the differential mechanism in the differential state, at least during generation of an electric energy by the first electric motor and / or second electric motor while the power transmitting path is being disconnected. Also disclosed is a vehicle drive system including the above-described control apparatus.
Owner:TOYOTA JIDOSHA KK
Brown's gas generator
InactiveUS20050006228A1Maximize power generation efficiencyOptimizationCellsEngineeringSignal generator
A Brown's gas generator includes a structure in which Brown's gas is independently generated in different portions within an electrolytic cell in which electrolysis of an electrolyte is performed, and water supply and water cooling are individually accomplished for the different portions, so that the temperature in the electrolytic cell is maintained in an optimal condition and the generation efficiency of Brown's gas is maximized.
Owner:E E
Fuel cell and electronic device equipped with the same
InactiveUS20060003196A1Maximize power generation efficiencyIncrease productionReactant parameters controlFuel cells groupingFuel cellsLiquid fuel
It is an object of the present invention to provide a fuel cell which can supply a liquid fuel, without changing its composition, to every corner of the membrane electrode assemblies arranged two- dimensionally over a wide area, to generate power at a high efficiency. The fuel cell 10A comprises the membrane electrode assembly modules 20 which consume the liquid fuel 40 to generate power, and the fuel chamber 30 which holds the liquid fuel 40 inside and has the principal plane on which the membrane electrode assembly modules 20 are arranged, wherein the fuel chamber 30 is provided with the fuel injection hole 33 inside, through which the liquid fuel 40 is supplied under pressure from the outside, and the fuel supply gear 42 inside, which is located to come close to the membrane electrode assembly modules 20, the fuel supply gear 42 being provided, on the surface, with the fine pores 43 through which the liquid fuel 40 can pass.
Owner:HITACHI LTD
Accumulated type thermoelectric generator for vehicle
InactiveUS20140182648A1Increase volumeEfficient configurationThermoelectric device with peltier/seeback effectExhaust apparatusEnvironmental engineeringThermoelectric element
An accumulated type thermoelectric generator that includes an assembly of a plurality of unit modules in which a first thermoelectric element and a second thermoelectric element are installed, is mounted between an exhaust gas inlet pipe and an exhaust gas outlet pipe. A coolant inlet is formed within an upper portion of an outermost unit module in a direction of the exhaust gas outlet pipe, and a coolant outlet is formed within a lower portion of an outermost unit module in a direction of the exhaust gas inlet pipe. A pair of exhaust gas flow paths through which exhaust gas flowing into the exhaust gas inlet pipe flows may be formed on left and right sides of the unit module, and a pair of coolant flow paths through which coolant flowing into the coolant inlet flows is formed within upper and lower sides of the unit module.
Owner:HYUNDAI MOTOR CO LTD
Control apparatus for controlling vehicle drive apparatus, and vehicle drive system including the control apparatus
ActiveUS7249642B2Maximize efficiencyMaximize generationHybrid vehiclesElectric propulsion mountingDrive wheelAutomatic transmission
Owner:TOYOTA JIDOSHA KK
Bicycle generator hub
InactiveUS7288865B2Low costMaximize power generation efficiencySynchronous generatorsWindingsElectric power systemEngineering
Owner:SHIMANO INC
Solar panel curtain device
InactiveUS20150349704A1Maximize power generation efficiencyEffective protectionPhotovoltaic supportsSolar heating energyAngle of incidenceSunlight
According to one embodiment of the present invention, a solar panel curtain device comprises: a solar panel provided tilting at a predetermined angle relative to the ground surface, corresponding to the angle of incidence of sunlight; a first roll housing provided at the lower edge of the solar panel, having formed therein a first rotational shaft and a solar panel curtain accommodating space, and having formed on one side thereof a slot adapted such that the solar panel curtain can withdraw into the inner accommodating space or advance out of the inner accommodating space; a second roll housing provided at the upper edge of the solar panel, and having formed therein a second rotational shaft; a first rail and a second rail respectively touching the two ends of the first rotational shaft and the two ends of the second rotational shaft, and performing rotational motions on two sides of the solar panel; and a panel curtain of which the ends on both sides respectively touch the first rail and the second rail, and which operates so as either to be stowed in the inner accommodating space of the first roll housing or to cover the solar panel, in accordance with the rotational motions of the first rail and the second rail.
Owner:JUAN ENERGY
Primary frequency modulation method of doubly-fed wind-driven generator set based on variable power point tracking and supercapacitor energy storage coordinated control
ActiveCN110336304AEasy to adjustMeet the needs of frequency modulationBatteries circuit arrangementsSingle network parallel feeding arrangementsCapacitanceWind driven
The invention discloses a primary frequency modulation method of a doubly-fed wind-driven generator set based on variable power point tracking and supercapacitor energy storage coordinated control inthe technical field of new energy so as to enable the wind-driven generator to perform maximum power point tracking without disturbance or a system load increase and maximize the power generation benefit. When the load is reduced, the primary frequency adjustment control is started, the additional power is superimposed onto the output power under the maximum power tracking according to the frequency deviation and the virtual inertia control to obtain the final reference power to achieve the frequency adjustment. In order to realize the spare capacity supply required by primary frequency modulation, the supercapacitor is connected through a bidirectional DC / DC converter to the DC-side bus capacitor of the doubly-fed wind-driven generator set. A grid-side converter has a function of maintaining the stability of the DC bus capacitor voltage. The discharge power of the supercapacitor energy storage device flows directly to the load side through the grid-side converter.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)
Accumulated type thermoelectric generator for vehicle
ActiveUS20140182649A1Maximize power generation efficiencySimple structureInternal combustion piston enginesThermoelectric device with peltier/seeback effectThermoelectric elementElectric generator
In one embodiment, a thermoelectric generator for a vehicle is provided. In particular, a thermoelectric generator is provided that includes a thermoelectric generating unit which is mounted between an exhaust gas inlet pipe through which an exhaust gas flows within and an exhaust gas outlet pipe through which the exhaust gas is discharged. The thermoelectric generating unit also includes a coolant inlet formed on one side thereof and a coolant outlet formed on the other side. More specifically, the thermoelectric generator is formed by assembling a plurality of unit modules which each have thermoelectric elements.
Owner:HYUNDAI MOTOR CO LTD
Cascade reservoir power generation scheduling method and system
InactiveCN112232659AMaximize power generation efficiencyClimate change adaptationResourcesStream flowFlood control
The invention discloses a cascade reservoir power generation scheduling method and system, and belongs to the field of reservoir optimal scheduling. The method specifically comprises the following steps: determining a cascade reservoir reserved flood control reservoir capacity distribution method set by utilizing the size of the reserved reservoir capacity at the end of a cascade reservoir scheduling period; according to the reserved flood control reservoir capacities allocated to all the reservoirs, deducing the scheduling period end water level corresponding to the reserved flood control reservoir capacities through a reservoir water level reservoir capacity curve, and forming a cascade reservoir scheduling period end water level set; establishing a power generation scheduling model taking the maximum power generation capacity of the cascade hydropower station as a target by utilizing the initial water level and the final water level of the cascade reservoir scheduling period and thepower generation flow and constraint conditions of the reservoir; and solving the power generation scheduling model by adopting a deterministic optimization scheduling method, and screening out the optimal operation mode of the cascade reservoir. By converting the reserved flood control reservoir capacity of the cascade reservoir in the drainage basin dispatching period into the water level constraint at the end of the dispatching period, the power generation benefit of the cascade reservoir is maximized on the premise of guaranteeing flood control safety, and the flood control benefit and the power generation benefit are both considered.
Owner:HUAZHONG UNIV OF SCI & TECH
Thermal power plant intelligent combustion control method based on cloud data and cloud computing
ActiveCN112859780AReduce generationMonitoring and Preventing DamageTotal factory controlProgramme total factory controlDynamical optimizationPrincipal component analysis
The invention relates to a thermal power plant intelligent combustion control method based on cloud data and cloud computing, and the method comprises the steps of: firstly, constructing a cloud database, conducting abnormal value processing on input data and output data in the constructed cloud database, and then performing principal component analysis, training a heat exchange surface wall temperature prediction model, a denitration reactor inlet NOx concentration distribution prediction model and a boiler efficiency prediction model by adopting a principal component analysis result, and comparing a training result with data of a model calibration system, and if the root-mean-square error is within 15%, according to the heat exchange surface wall temperature prediction value, the NOx concentration prediction value and the boiler efficiency prediction value provided by an integrated prediction model, conducting calculation through an intelligent operation control module to obtain optimal operation parameters, thus realizing dynamic optimization control over boiler combustion and pollutant generation. The boiler efficiency and the adaptability to coal type changes are improved, the average emission load of NOx is reduced by 10% or above, and power generation benefits are maximized.
Owner:XIAN TPRI BOILER ENVIRONMENTAL PROTECTION ENG CO LTD
Advanced tandem organic rankine cycle
InactiveUS8474262B2Maximize power generation efficiencyMaximize efficiencySteam engine plantsOrganic Rankine cycleOrganic fluid
Owner:REGELMAN YAKOV +1
Advanced tandem organic rankine cycle
InactiveUS20120047890A1Efficient power generationMaximize power generation efficiencySteam engine plantsThermal energyOrganic Rankine cycle
Advanced Tandem Organic Rankine Cycle (AT ORC) is described for recovering power from source of heat energy into two separated independent cycles with organic fluid of propane or mix of light hydrocarbons with similar thermal stability, namely the high temperature cycle realized in the high temperature closed loop thermally connected to the high temperature zone, and the low temperature cycle realized in the low temperature closed loop thermally connected to the low temperature zone of the source of heat energy. In the process of each cycle, organic fluid changes phases from pressurized liquid to pressurized superheated organic vapor using residual heat energy from depressurized superheated organic vapor, and heat energy from corresponding temperature zone. Separation of the source of heat energy on the high temperature zone and low temperature zone is implemented to maximize thermal and overall efficiency of recovering power in each cycle and of the overall AT ORC.
Owner:REGELMAN YAKOV +1
Optimized dispatching method and system for power distribution network containing distributed power supplies
ActiveCN113472014AImprove economyFull processingData processing applicationsSingle network parallel feeding arrangementsDecision makerData information
The invention discloses an optimized dispatching method for a power distribution network containing distributed power supplies. The method comprises the following steps: collecting data, market information and uncertain information of all nodes of the distributed power supplies in the power distribution network in different regions, carrying out the preprocessing on the data, market information and uncertain information, and storing the data, market information and uncertain information into a data information cloud platform; calling the data information cloud platform, and based on the multi-target attribute of the system and by taking the economic benefit of the power distribution network, the loss of the power distribution network and the power generation cost of the distributed power supplies as optimization targets, constructing an optimized dispatching model for the power distribution network according to constraint conditions; taking the constraint conditions as decision analysis conditions, outputting prediction data of each region and a given specific range of uncertain fluctuation, inputting corresponding operation schemes and uncertainties into a plurality of optimization objective functions, and calculating overall benefits; and allowing decision makers of different regions to compare the overall benefits of schemes and the development conditions of the regions to select an optimal strategy as an optimized dispatching scheme.
Owner:国网山东省电力公司泗水县供电公司 +2
Closed loop type fuel cell system with unreacted material removing function
Disclosed herein is a closed loop type fuel cell system having a removal function for an oxidant and a reductant, which are unreacted material, including a recirculating means recirculating oxidant and reductant discharged from the main fuel cell back into the main fuel cell; and a regenerating means for removing moisture produced during the operation of the main fuel cell and impurities contained in the recirculated oxidant and reductant.
Owner:KOREA INST OF MASCH & MATERIALS
All-weather continuous power generation device capable of being assembled by modules
PendingCN113315416ARealize power generationPersistentSolar heating energyAbsorbing elementsHeat transmissionPhotothermal conversion
The invention relates to an all-weather continuous power generation device capable of being assembled in a modular mode, which comprises a radiation refrigerating device, a photo-thermal conversion device, a thermoelectric conversion device and a heat conduction substrate which are assembled and connected in a modular mode, the thermoelectric conversion device is arranged on a heat conduction substrate, and the radiation refrigerating device and the photo-thermal conversion device are respectively connected with the thermoelectric conversion device in a heat transfer manner. Compared with the prior art, the power generation device is not limited by time and regions, can generate power by utilizing the temperature difference between the photo-thermal conversion device and the radiation refrigeration device in the daytime and can generate power by utilizing the radiation refrigeration device and the environment temperature on the surface of the earth at night, and the device structure and size can be designed and can be modularly assembled according to the environment characteristics; and the utilization of energy is maximized.
Owner:SHANGHAI JIAO TONG UNIV
Bicycle generator hub
InactiveUS20060043807A1Low costMaximize power generation efficiencySynchronous generatorsWindingsMagnetic fluxElectric power
A bicycle generator hub is mounted to the front fork of a bicycle and includes a hub shaft, a hub shell, bearings, a generator mechanism and first and second magnetic flux recirculation members. The hub shaft is non-rotatably mounted to the front fork. The hub shell is disposed around the surface of the hub shaft. The bearings are disposed between the hub shell and the hub shaft to enable the hub shell to rotate relative to the hub shaft. The generator mechanism has a coil mounted to the hub shaft and a magnet unit disposed such that the generator mechanism generates electric power via the rotation of the hub shell relative to the hub shaft. The first and second magnetic flux recirculation members are disposed on the hub shaft or the hub shell and return a leaked magnetic flux to the coil.
Owner:SHIMANO INC
Vertical-axis wind power generator having adjustable-angle rotating blades
ActiveUS9605655B2Maximize power generation efficiencyWind motor controlRenewable energy generationEngineeringVertical axis wind turbine
Owner:MIN YOUNG HEE
Floating body for tidal current power generation and power generation method using same
ActiveUS20170074232A1Maximize power generation efficiencyReduce the cross-sectional areaWorking fluid for enginesHydro energy generationTerrainWater wheel
A floating body for tidal current power generation of the present invention comprises: a power generation unit comprising a water wheel and a power generator connected to the water wheel; and a body part provided with tidal current inlet and outlet paths having a cross-sectional area that is gradually reduced from the front and rear surfaces thereof toward the water wheel. According to the present invention, a plurality of floating bodies for tidal current power generation are disposed in parallel so that the longitudinal direction of the tidal current inlet and outlet paths coincides with the direction of the tidal current in a terrain such as a strait with a narrow width. In addition, provided is a power generation method which is a method for adjusting the draft of a floating body for tidal current power generation depending on the flow velocity of the tidal current, thereby smoothly performing power generation even when the flow velocity of the tidal current becomes slower as tidal stand nears.
Owner:SHIN EI KK
Thermoelectric power generation device and power generation method thereof
PendingCN110661452AFlexible useImprove adaptabilityBatteries circuit arrangementsElectric powerProcess engineeringElectrical and Electronics engineering
The invention discloses a thermoelectric power generation device and a power generation method thereof. The device takes heat conduction oil as a heat exchange medium, is flexible to use and high in adaptability, is especially suitable for waste heat utilization occasions where a thermoelectric power generation sheet array (20) is not easy to be directly placed, and realizes maximization of powergeneration efficiency in key technologies of links of power consumption optimization of a water pump (42), power consumption optimization of a high-temperature oil pump (4) and impedance matching of the thermoelectric power generation sheet array and a load and the like. The device and method can be applied to the fields of waste heat utilization semiconductor thermoelectric power generation.
Owner:INST OF DEFENSE ENG ACADEMY OF MILITARY SCI PLA CHINA
Wind power theory of flow-collecting and flow-controlling variable-pressure flow field changes wind power theory of natural flow field of Betz
InactiveCN101520028AMaximum safetyThe widest range of useWind motor controlWind motor combinationsControl variableFluid field
The invention provides an advanced flow-collecting and flow-controlling variable-pressure flow field system which becomes novel wind power generation basic theory and system engineering technology. By the flow-collecting control of the flow field, the system changes the wind speed and wind pressure, improves the wind energy density ratio and leads the airflow in nature to be changeable and compressible. When the airflow passes through a vortex body, the pressure of the flow field is changed so that the wind energy conversion ratio of a resistance-typed wind power machine is higher than that of a resistance-increasing wind power machine. A multi-pole differential-speed power generator is suitable for working at a rated power under the minimum and maximum wind speed working condition, thus realizing high-capability assembly of a single unit. The system changes the Betz theory created by Betz who is a famous physical scientist in Germany and is the founder of wind power theory on the basis of natural flow field, and negates the issue that in the Betz theory system, the airflow in the nature can not be compressed and the issue that the wind energy conversion ratio of the resistance-increasing wind power machine is more than that of the resistance-type wind power machine.
Owner:于平
Vertical-Axis Wind Power Generator Having Adjustable-Angle Rotating Blades
ActiveUS20150078897A1Maximize efficiencyMaximize power generation efficiencyWind motor controlRenewable energy generationAutomotive engineeringWind force
A vertical-axis wind power generator having adjustable-angle rotating blades is provided, which can maximize generation efficiency through angle adjustment of rotating blades for upper and lower support arms. The vertical-axis wind power generator having adjustable-angle rotating blades is configured such that a rotation angle range, in which forward-rotation wind power is applied to the rotating blades, can be maximized and a rotation angle range, in which reverse-rotation wind power is applied to the rotating blades, can be minimized through angle adjustment of the rotating blades so as to apply maximum forward-rotation wind power to the rotating blades and to apply minimum reverse-rotation wind power thereto, and through angle adjustment of the rotating blades so as to generate forward rotation even by reverse-rotation wind power in a partial angle range.
Owner:MIN YOUNG HEE
Floating body for tidal current power generation and power generation method using same
ActiveUS10330073B2Maximize power generation efficiencyReduce the cross-sectional areaWorking fluid for enginesEngine componentsTerrainWater wheel
Owner:SHIN EI KK
A smart combustion control method for thermal power plants based on cloud data and cloud computing
ActiveCN112859780BReduce generationMonitoring and Preventing DamageTotal factory controlProgramme total factory controlPrincipal component analysisControl engineering
A method for intelligent combustion control of thermal power plants based on cloud data and cloud computing. Firstly, a cloud database is constructed, and abnormal value processing is performed on the input data and output data in the cloud database, and then principal component analysis is performed. The heat exchange surface wall temperature prediction model, the NOx concentration distribution prediction model at the inlet of the denitrification reactor and the boiler efficiency prediction model are trained, and the training results are compared with the data of the model calibration system. If the root mean square error is within 15%, the integrated prediction The predicted value of heat exchange surface wall temperature, NOx concentration predicted value and boiler efficiency predicted value provided by the model are calculated through the intelligent operation control module to obtain the optimal operating parameters and realize the dynamic optimization control of boiler combustion and pollutant generation. The invention improves the efficiency of the boiler and the adaptability to the change of coal types, reduces the average emission of NOx by more than 10%, and realizes the maximization of power generation benefits.
Owner:XIAN TPRI BOILER ENVIRONMENTAL PROTECTION ENG CO LTD
Roof integrated photovoltaic module with a device capable of improving and optimizing photovoltaic efficiency
InactiveUS10033327B2Maximize power generation efficiencyAvoid power outagesPhotovoltaic supportsPhotovoltaic monitoringSolar batterySolar power
Owner:EDISON SOLITEC
Wind wheel with adjustable blade number and working method thereof
PendingCN112283017AIncreased solidityIncrease power generation capacityWind motor controlEngine fuctionsGear wheelControl engineering
The invention discloses a wind wheel with the adjustable blade number and a working method thereof. The wind wheel mainly comprises fixed blades, a fixed hub, adjustable blades, an adjustable hub, a main shaft, a control device, a supporting rod, a hub axial fixing rod, a hydraulic locking pin shaft and pin holes, wherein the fixed blades are fixed outside the fixed hub, and the fixed hub is fixedon the end surface of the main shaft; the adjustable blades are connected with the adjustable hub through bolt connecting structures, and a first motor is used for driving a driving gear and a drivengear to rotate and driving the adjustable blades to rotate around a screw; the adjustable hub is connected with the main shaft through a spline structure; the hub axial fixing rod is connected with the hydraulic locking pin shaft and the pin holes, so that the axial fixation of the adjustable hub is realized; and the control device drives a gear to rotate through a second motor, the movement of the control device in the horizontal direction is realized, and the third motor drives the supporting rod to rotate and is used for being connected with the hub supporting hole. The number of the blades of the wind wheel can be adjusted according to the change of the external wind speed of a wind turbine generator, and the power generation capacity of the wind turbine generator is maximized.
Owner:XIAN THERMAL POWER RES INST CO LTD
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