61 results about "Hydro energy" patented technology

An integrated, wind-pumped hydro power generation system includes at least one wind turbine generator device configured to generate output power for a common bus, and at least one hydro generator device configured to generate output power for the common bus. The hydro generator device is powered by water flow. The wind turbine generator device and the hydro generator device include corresponding local controls associated therewith, and a set of supervisory controls is in communication with the common bus and each of the local controls.

Airborne wind energy system converting power of wind into power forms suitable for various industrial processes. That includes converting wind energy into internal energy of hot compressed gas, such as air or steam, and subsequent use of this energy for energy storage, synthetic fuel production, electricity generation, and other purposes. Pumped hydro energy storage, powered by airborne wind energy. A combined power plant, using natural gas combustion and wind power. A wind farm with a firm capacity, using wind driven energy storage together with electricity producing wind turbines or AWECS.

The invention provides a stroke detection and debugging method of a guide vane control loop with a pressure distribution valve. The method includes the following steps that: a guide vane control block diagram is designed according to the equipment structure of a pumped-hydro energy storage unit, and an electro-hydraulic converter and pressure distribution valve two-stage amplification mode is adopted to make a guide vane servomotor to act through oil pressure; guide vane servomotor and main pressure distribution valve stroke detection modes are determined; a linkage mechanism and a sensor are manufactured and installed, wherein the sensor is used for detecting the strokes of a main pressure distribution valve and a guide vane, and the linkage mechanism is used for converting the strokes of the main pressure distribution valve and the guide vane into the measurement strokes of the sensor; sensor calibration is performed on the guide vane and the main pressure distribution valve; the zero position of an electro-hydraulic converter and the compensation parameter of the neutral position of the main pressure distribution valve are obtained; and guide vane static reaction testing is performed, the acting condition of the guide vane is observed, and the compensation parameter is finely adjusted, so that guide vane control offset can be minimized; and control parameter setting is performed. With the method adopted, it can be ensured that the guide vane control closed-loop is within a reasonable range and has a certain margin, and therefore, later-stage maintenance and debugging can be facilitated.

A universal water-turbine engine pertains to an impact water-turbine engine which converts pressure energy of current to kinetic energy and converts the kinetic energy to rotating mechanical energy in the hydraulic machinery; the water-turbine engine consists of a or a plurality of jet orifices, a device corresponding to the jet orifices, a or a plurality of turning wheels arranged on a main axis for the universal water-turbine engine, a tailrace arranged under the turning wheel, a speed governor, a driving device and other parts. The water-turbine engine can develop and exploit all waterpower resources and has high efficiency, large capacity, safe and reliable performance, simple and reasonable structure as well as low manufacturing cost; the application of the water-turbine engine significantly promotes the current development and exploitation of the waterpower resource, thus being capable of marking a new epoch of rapid development of the hydroelectric power industry.

Small seawater desalting equipment with an energy recovery device applicable to a new-energy independent power grid comprises a raw water pump and a multi-level filter device. The multi-level filter device is connected with the raw water pump by a water inlet, a water outlet of the multi-level filter device is connected with a water inlet of a reverse osmosis membrane by a high-pressure pump, a branch of a fresh water outlet of the reverse osmosis membrane is connected with a cleaning water tank by a pipeline and a water replenishing valve, another branch of the fresh water outlet of the reverse osmosis membrane is connected with fresh water storage equipment by a pipeline and a water producing valve, a branch of a high-pressure strong brine outlet of the reverse osmosis membrane is connected with the cleaning water tank by a pipeline and a cleaning water return valve, another branch of the high-pressure strong brine outlet of the reverse osmosis membrane is connected with the energy recovery device, the energy recovery device and the high-pressure pump share the same coaxial motor, and the motor is connected with a frequency converter. The energy recovery device connected with the high-pressure pump by the motor is arranged at the high-pressure strong brine outlet of the reverse osmosis membrane, high-pressure hydraulic power of high-pressure strong brine is converted into mechanical energy by the device to be used by the motor, energy is recovered, and water producing energy consumption is effectively reduced.

The invention discloses a photovoltaic capacity configuration method suitable for a cascade water-light complementary energy power generation system. The photovoltaic capacity configuration method comprises the steps: a peak load curve and a base load curve of a typical load of the power generation system is generated; a photovoltaic power generation output probability model based on k-means is established; based on the peak load curve, the base load curve and the photovoltaic power generation output probability model and through establishing an operation simulation model of the cascade water-light complementary energy power generation system, the power generation income of the complementary energy power generation system can be calculated; based on the calculated power generation income and through establishing an investment cost income of the complementary energy power generation system, the photovoltaic installed capacity with the maximum net income is selected as the optimal configuration capacity of the power generation system. Thus, configuration of photovoltaic capacity of a cascade hydropower energy base can be achieved, resource waste caused by excessive photovoltaic investment is avoided, and meanwhile the investment income of a cascade water-light complementary energy power generation system is maximized.

The invention relates to the field of a battery, and in particular relates to an AA hydro-energy battery. The AA hydro-energy battery comprises a copper barrel shell, a magnesium bar and electrolyte, wherein the magnesium bar is arranged in the center of the copper barrel shell, the electrolyte is filled between the copper barrel shell and the magnesium bar, and the positive copper barrel shell, the negative magnesium bar and the negative electrolyte form a battery combination; the electrolyte consists of a solid mixture and water which is injected in use, and the solid mixture consists of the following components by weight percent: 35 to 45 percent of manganese dioxide, 15 to 25 percent of copper powder and 30 to 40 percent of exquisite carbon powder. The AA hydro-energy battery has the advantages of good environmental friendliness, optimized electrolyte formula, optimized battery combination, optimized structure design, large capacity, small internal resistance, high efficiency, repeatability in use after the water is charged into the battery, long service life and high cost performance.

The invention belongs to the field of hydropower energy optimization, and particularly discloses a hydropower station group power generation scheduling rule extraction method. The method comprises thesteps of establishing an objective function by taking maximum annual power generation capacity of a hydropower station group as an objective and constraint conditions thereof, and performing solvingto obtain an output flow optimal solution of each reservoir in each time period; establishing a generalized regression network by taking the input flow and the reservoir water level corresponding to each time period of each reservoir as input and the output flow as output; and optimizing a generalized regression network smoothing factor to obtain a scheduling function by adopting a particle swarmmethod based on a community gravity center based on the known input flow and reservoir water level corresponding to each time period of each reservoir, the output flow optimal solution and the training error minimum target function. According to the method, deep learning and cascade hydropower station power generation scheduling are combined, the generalized regression network corresponding to thescheduling function is established, the cascade hydropower station power generation scheduling rule based on the community gravity center particle swarm and the generalized regression network is extracted, the defect that a basic traditional particle swarm algorithm is prone to falling into local optimum is overcome, and reliability is high.

Said invention discloses an impeller type turbine impeller type turbine device utilizing reproducible nature (advection) hydroenergy generation of electricity. It combines diving ship type floating camel, impeller type turbine set, inertia flywheel, speed-up gears box, concentrating water flow entering relative closed cylinder type pipe, in turn impulsion plurality of paddle type waterwheel connected on parallel middle axle to generate electricity. Said invention has no pollution to environment.

The invention provides a device for performing sea water desalination by using waves and tides to directly drive a water-pumping pressure-accumulation pump. The device consists of a sea water desalination system and a wave-tide direct-driven water-pumping pressure-accumulation device. A vane wing unit captures water to ensure that a turbine main shaft rotates along a fixed direction, rotational mechanical energy can be directly transferred to a water-pumping screw, sea water is sucked into a sea water pipeline to accumulate pressure continuously, and finally fresh water is generated through a reverse osmosis system. The sea water desalination machine disclosed by the invention makes use of the advantage that a wave-tide turbine rotates along a fixed direction, and a water-pumping screw pump matched with the wave-tide turbine is designed, so that the mechanical energy can be directly transferred to reduce intermediate energy consumption; on the other hand, an accumulator and a valve control type energy recovery device are used for performing flexible treatment on the water pressure of the sea water desalination system, so that the desalination pressure is sufficient while a reverse osmosis membrane is protected. The device provided by the invention can solve the problem of lack of fresh water of ships, naval vessels and offshore islands, and can meet requirements for energy conservation and sustainability.

The invention discloses a waterflow boosting high-efficiency hydropower method and a waterflow boosting high-efficiency hydropower system, which are characterized in that: the pipe diameter of a draft tube is designed to be greater than that of a pressure diversion pipe; and an additional supercharging device pressurizes waterflow at the inlet of the pressure diversion pipe of a reservoir so as to increase a component for converting kinetic energy and pressure energy into electric energy, improve generating efficiency and improve utilization efficiency of hydraulic energy.

The invention discloses a comprehensive cyclic utilization system of hydro energy and geothermal energy of mines in the technical field of heat exchange and conduction of the hydro energy and the geothermal energy. The system includes a water collecting pool in a ground subsidence area, a solar power station floats over the water surface of the water collecting pool in the ground subsidence area,and a ground water disposal system and a water source heat pump system are arranged at the left side of the water collecting pool in the ground subsidence area through pipelines; the water source heatpump system is connected with user sides through a pipeline; the potential hydro energy and geothermal energy resources of the mines are developed by utilizing a solar power technology, and the bottleneck of solar power generation is overcome; two water storage chambers are arranged at different altitudes, and cyclic utilization of the mine water and hydrothermal resources and cyclic hydraulic power generation of the mines can be achieved; the power generating capacity of the overall system can be set in a customized mode according to the water amount of the subsidence area, the capacity of the water storage chambers and the water inflow of the mines. The system provides a new approach for sustainable development of production mines and waste mines.

The invention provides an integrated device for generating electricity and desalinating sea water by utilizing tidal current energy. The integrated device comprises a hydroenergy power generation module, a sea water desalination module and a circuit control circuit, wherein a first end of a controller is connected with a power generator of the hydroenergy power generation module; a second end of the controller is connected with a sea water pump, a booster pump and a high-pressure pump of the sea water desalination module in parallel through a voltage stabilizer; a third end of the controller is connected with a power transmission mechanism; after the first end and the second end of the controller are connected, the sea water desalination module receives a sea water desalination signal of the circuit control module to start a sea water desalination mode; and after the first end and the third end of the controller are connected, the hydroenergy power generation module receives a power generation signal of the circuit control module to start a power generation mode. The device has a hydropower adjusting function and can adjust the ratio of the electricity for electricity transmission to the electricity for sea water desalination.

The invention relates to a method of heat dissipation and/or energy storage by adopting building raft foundation water. Inlet and outlet pipes which are connected with each other are positioned between a plurality of reservoirs in high positions of a building and a plurality of raft foundation pools at the bottom part of the building are adopted so as to allow the water between the reservoirs and the raft foundation pools to circulate mutually, and allow the circulated water to pass through a heat exchanging device for heat exchange and then flow to the raft foundation pools, thereby the accumulation of cold or heat can be carried out based on that the raft foundation pools are positioned in a subsurface constant-temperature layer and that the water is characterized by constant temperature. The invention further discloses a heat pump system which uses the method to carry out the heat exchange. The heat pump system can carry out the thermal environmental pollution control, save the energy resources, improve the overall energy efficiency of the heat pump and reduce the operating cost.

The invention discloses a wind power boosting efficient hydroelectric generation method and a system. The method is characterized in that the pipe diameter of the draft tube is designed to be greater than the pipe diameter of the pressure water conduit; the externally added wind force supercharging device is utilized to pressurize the flow at the inlet of the pressure water conduit of a reservoir, thus increasing the quantity of the electric energy which is transformed by the kinetic energy and the pressure energy of the hydraulic energy, improving generating efficiency and improving the utilization ratio of the hydraulic energy.

The invention discloses a clearing method, system and device for guaranteeing hydroelectric energy consumption and a storage medium. According to the method, based on related basic data of a power system and the power abandoning cost of hydroelectric energy in the system, a safety constraint unit combination model is established by taking minimization of the sum of the power purchasing cost and the power abandoning cost of the hydroelectric energy as a constraint target, and units in the power system are cleared according to the safety constraint unit combination model. The system comprises afirst collection module, a first processing module, a second collection module, a second processing module and a clearing module. By using the method provided by the invention, the consumption of hydroelectric energy can be increased, the utilization rate of hydroelectric resources is improved, and the environmental benefit is considered while the economic benefit of power generation is ensured; and the actual water abandoning electric quantity of the hydroelectric generating set can be effectively determined, and the accurate reliability of constraint target clearing is ensured. The method can be widely applied to the technical field of power energy dispatching.

A secondary using technology for residual energy of hydropower is disclosed. The discharged water after once electricity generation using can still generate biggish kinetic energy when flowing through an end cavity water discharging port, the size of the end cavity water discharging port can be determined by calculating the water discharging amount after once electricity generation using, a disk marine is mounted at the end cavity water discharging port, the discharged water flows through the disk marine to drive the generator to generate electricity, the discharged water flows from the disk marine then flows into rivers. The present invention mounts the disk marine at the end cavity water discharging port, makes the water after once electricity generation using can generate electricity for second time, the technics is simple and can be easily executed, it not only realize the object of increasing 60% of the electricity generation amount but also effectively prevent the harm of the residual energy.

The invention relates to a small hydropower station energy data acquisition and sharing method and device. The method comprises the following steps that a concentrator is arranged in a small hydropower station, a plurality of collecting devices used for collecting data of power equipment are arranged corresponding to the power equipment in the small hydropower station, each collecting device is incommunication connection with a control cabinet in the hydropower station, and the control cabinet is in communication connection with the concentrator and conducts data interaction with the concentrator; the concentrator is in communication connection with a power utilization information acquisition system deployed in a power system intranet through a wired/wireless network and performs data interaction with the power utilization information acquisition system; a first data service platform is deployed in a power system intranet, a second data service platform is deployed in an extranet, andthe first data service platform and the second data service platform are in communication connection through a strong isolation device and perform data interaction; and the second data service platform is in communication connection with the third-party application platform and performs data interaction with the third-party application platform.