169 results about "Hydro power" patented technology

The invention discloses a machine learning correction forecasting method for wind and light elements of a new energy power station in a complex terrain, which relates to the technical field of data processing and comprises the following steps: acquiring a multi-source observation data set of a target area, and performing numerical forecasting assimilation on the multi-source observation data set of the target area; obtaining an output data set of the water-wind-light power station in the target area, and determining a forecasting factor through a statistical method based on the multi-source observation data set and the output data set assimilated by numerical forecasting; establishing and training a joint prediction model according to the prediction factors; and obtaining weather forecast data of the target area in the to-be-predicted time period, and predicting the hydroelectric power generation power, the wind power generation power and the photovoltaic power generation power of the water-wind-light power station in the target area in the to-be-predicted time period through the joint prediction model based on the weather forecast data of the target area in the to-be-predicted time period. According to the method, the initial field is improved through data assimilation, so that the numerical forecasting effect is improved.

A coordinated optimization method for VSC-HVDC Frequency Synchronization Control and primary frequency regulation of hydropower includes: obtaining optimal PI parameters of the VSC-HVDC Frequency Synchronization controller from a first layer output of a dual-layer optimization model for coordinated parameters of VSC-HVDC Frequency Synchronization and primary frequency regulation; and obtaining a target PID control parameters from a second layer output of the dual-layer optimization model. The coordinated optimization method further includes adjusting the optimal PI parameters of the synchronization controller based on the target selection range and updating the PID control parameters of the primary frequency regulation system of hydropower based on the target PID control parameters. This approach aims to address the challenge of balancing the frequency response speed between the VSC-HVDC synchronization system and the primary frequency regulation system of hydropower.

The utility model discloses a water wheel driving module and hydroelectric power generation equipment, the water wheel driving module comprises two mounting discs and a plurality of blades, and the two mounting discs are arranged up and down; each blade comprises a mounting frame and a plurality of baffles, a plurality of through holes are formed in the mounting frame, and the baffles are hinged to the mounting frame and arranged at the corresponding through holes; the baffle is configured to be located on the incident flow face of the blade to close the through opening, and the blade is further configured to be located on the back flow face of the blade to open the through opening. The multiple blades are distributed around the axis of the installation discs, and the installation frame is vertically arranged and fixedly arranged between the two installation discs. The use reliability and the power generation efficiency are improved, and the manufacturing cost is reduced.

A power generation system may include an impoundment structure at least partially defined by a plurality of precast segments. At least one of the precast segments may include a precast form and at least one precast infill block. The power generation system may include a powerhouse. At the powerhouse, a fluid conduit is coupled to an intake tube and a draft tube in respective transition regions to enable fluid to flow into a power generating module to produce electrical power, and transition collar(s) may be employed to secure connectivity between the fluid conduit and the intake tube and the draft tube. The power generating module may be arranged such that an intake port is elevated with respect to a draft port at the power generating module. Sensors may be employed to monitor integrity of elements of the power generation system.

A hydro power generation system may include a powerhouse and an entrance region structure. The powerhouse may include an intake port, a draft port, and a power generator disposed therebetween, the power generator configured to generate electrical power. The entrance region structure may be coupled to the powerhouse and define a portion of a boundary of an entrance region and the natural run-of-the-river portion of a waterway. The entrance region may be distinct from the natural run-of-the-river portion of the waterway and fluidically adjacent to the intake port.

The invention relates to the technical field of hydroelectric power generation equipment structure reliability evaluation, and particularly provides a water turbine top cover bolt time-varying reliability evaluation method and device based on parameter sensitivity analysis. According to the technical scheme provided by the invention, key variables are highlighted through parameter sensitivity analysis, and the response surface method and Monte Carlo simulation are combined, so that the calculation efficiency is remarkably improved while the precision is ensured, and the reliability evolution rule of the bolt in the whole life cycle can be scientifically represented; and an important basis is provided for maintenance decision and structure optimization of the water turbine top cover bolt.

A power generation system may include an impoundment structure at least partially defined by a plurality of precast segments. At least one of the precast segments may include a precast form and at least one precast infill block.

A modular pumped storage hydropower system may include a shaft having a first end located opposite a second end. A reservoir is connected to the first end of the shaft. The second end of the shaft is configured to be located under a surface of ground. The second end of the shaft has a first compartment and a second compartment. The first compartment retains a pump assembly having an inlet in hydro communication with the second compartment. The second compartment is configured to retain water. A pipe has a first end connected to the pump assembly located opposite a second end extending through a cover of the first end of the shaft. The second end of the pipe is in hydro communication with the reservoir. The pipe of the pump assembly transfers water from the second compartment of the second end of the shaft to the reservoir.

The invention discloses an infrared monitoring jet device and method for removing limnoperna fortunei in a pipeline, and belongs to the technical field of pipeline maintenance and cleaning. The breeding of the limnoperna fortunei on the inner wall of the water conveying pipeline causes high cost, low efficiency, environmental pollution and the like; by arranging the infrared monitoring system, the growth condition of limnoperna fortunei on the inner wall of the pipeline can be accurately monitored in real time, and data can be transmitted to the control system in time; the control system performs deep analysis on the received data, and immediately controls the clearing execution system to start the high-pressure water jet device once judging that the scale of the limnoperna fortunei reaches a preset threshold value, so that the limnoperna fortunei is strongly scoured, and efficient clearing is realized; meanwhile, a hydroelectric generation system is ingeniously utilized, water flow power in the pipeline is converted into electric energy, and continuous and stable electric power support is provided for the whole device; the pipeline limnoperna fortunei cleaning device achieves automatic and environment-friendly cleaning of the pipeline limnoperna fortunei, has the remarkable effects of being efficient, energy-saving, safe, reliable and the like, and can be widely applied to maintenance work of various water conveying pipelines.

The disclosure relates to a hydropower equipment with graded utilization of kinetic energy of flowing water, including three steps on the inclined surface of the triangular base from top to bottom, wherein support rods are provided on the vertical surface of each step, runner one, runner two and runner three arranged in sequence from high to low are respectively and rotatably supported on the corresponding support rods through the shaft, all the three shafts are horizontally arranged and connected to the corresponding shaft of the generator; horizontal flow channels are set inside the lower part of the triangular base for guiding water to flow toward downstream direction, and the outlets of the horizontal flow channels directly face runner three.

The invention discloses hydraulic engineering concrete conveying equipment based on hydroelectric power plant construction, and relates to the technical field of concrete transportation, the hydraulic engineering concrete conveying equipment comprises a body arranged in an inclined tubular shape, and the body is arranged in a coaxial double-barrel shape; the spiral conveying blade is coaxially and rotatably arranged in the body so as to convey the concrete from the low end to the high end; the anti-segregation units are arranged in the direction of the central axis of the body at equal intervals, and each anti-segregation unit comprises an elastic piece which is in an arc-shaped plate shape and is evenly distributed on the inner wall of the body in the circumferential direction. According to the invention, through the arrangement of the elastic piece and the grading gas circuit unit, a composite force field of axial propulsion and radial extrusion is formed through the spiral blade to forcibly mix and compact aggregate and cement paste again on concrete at a corresponding position, so that the influence on the quality of the concrete due to separation of the aggregate and cement is effectively avoided, and the transportation effect is improved.

The utility model relates to the technical field of bathroom products, in particular to a water temperature digital display device for a bathroom shower head, which comprises a hydroelectric generation component arranged on the shower head, a battery, a temperature sensor, a microcontroller and a digital display component, according to the hydroelectric generation assembly, a pressurizing plate is arranged in a water inlet pipe of a shower head, a rotating coil is rotatably arranged in the water inlet pipe through a rotating shaft, the pressurizing plate is provided with a plurality of jet flow holes, the jet flow holes convert kinetic energy of water flow into pressure energy to pressurize water, and the flow speed of the water flow is increased after the water flow penetrates through the jet flow holes; therefore, the rotating coil rapidly rotates to generate electricity under the impact effect of water flow, the generating voltage of the hydroelectric generation assembly is kept stable, even if the water pressure is small and unstable, the digital display component can normally display the water temperature, and the problems that an existing digital display bathroom shower head on the market is unstable in water pressure and inconvenient to use are solved. And the digital display screen does not display the water temperature or splash screen at low brightness.

A Pelton turbine comprising a rotor with a horizontal axis of rotation and a supply system with at least four nozzles which surround the rotor in a uniformly distributed manner in the circumferential direction, and wherein the supply system comprises a first arm (1) and a second arm (2), and wherein the first arm (1) is connected to at least two adjacent nozzles, and wherein the second arm (2) is connected to the remaining nozzles, and wherein each arm (1, 2) comprises a strand which partially wraps around the rotor, from which at least one first pipe branches off to a first nozzle, and wherein a further nozzle forms the end of the strand, and wherein each arm (1, 2) comprises a bend (1.1, 2.1) and a connecting pipe section (1.2, 2.2), and wherein the axes of the connecting pipe sections (1.2, 2.2) are aligned parallel to the axis of rotation of the rotor, and wherein each connecting pipe section (1.2, 2.2) is connected to the turbine via the associated bend (1.1, 2.1) is connected to the corresponding strand.

Retrofitting a hydroelectric power plant (4) with a waterway (2), an electric machine (6), an impeller (5) arranged in the waterway (2) and a cylinder gate, wherein the impeller (5) has an axis of rotation by which an axial (z) and a radial (r) direction are defined, and wherein the cylinder gate comprises a ring (1) and a gate chamber (3) with a housing, and wherein the ring (1) can be moved in an axial direction, and wherein the ring (1) has a projection which is designed to modify a secondary flow in such a way as to suppress unstable states of the cylinder gate at opening degrees below 30%.

The disclosure relates to a hydropower equipment with graded utilization of kinetic energy of flowing water, including three steps on the inclined surface of the triangular base from top to bottom, wherein support rods are provided on the vertical surface of each step, runner one, runner two and runner three arranged in sequence from high to low are respectively and rotatably supported on the corresponding support rods through the shaft, all the three shafts are horizontally arranged and connected to the corresponding shaft of the generator; horizontal flow channels are set inside the lower part of the triangular base for guiding water to flow toward downstream direction, and the outlets of the horizontal flow channels directly face runner three.

The present invention relates to the technical field of hydroelectric power generation equipment, and discloses a turbine-type hydroelectric power generation equipment and a power generation method based on a pressurized water inlet pipe. In the present invention, after water flows through each liquid inlet channel and is guided by each guide vane, the arrangement of each liquid inlet channel of the vortex spiral flow channel ensures that the water flow can be evenly divided by the guidance of each guide vane, and output to the driving rotor at the same flow rate, thereby impacting and driving the driving rotor to rotate. The driving rotor rotates and simultaneously drives the generating rotor to rotate within the magnetic power generation mechanism to generate electricity. The input water flow is finally collected by the bottom drainage mechanism and then divided into several water flows for separate output. This can stably utilize the water flow energy input from each liquid inlet channel, ensure the stability of the generated power, and at the same time, avoid fluctuations in the generated power that affect the stability of the power grid.

The utility model provides a symmetrical steel branch pipe spiral flow state elimination composite guide plate device, a spiral flow state elimination composite guide plate unit comprises four spiral flow state elimination composite guide plate subunits, and each spiral flow state elimination composite guide plate subunit comprises a composite guide plate and a plurality of parallel guide plates; the composite flow guide plate and the parallel flow guide plates are sequentially arranged in the direction from near to far away from the datum line; and moreover, the front ends of the composite flow guide plate and each parallel flow guide plate and the tail end of the crescent rib plate are kept on the same horizontal line vertical to the datum line. According to the device, the vortex eliminating effect of the guide plate in the pipe is utilized to cut the pressurized water flow in the incoming flow direction so as to eliminate vortexes in the pressurized water flow, so that the vortexes in the pressurized hydraulic pipeline are effectively eliminated or weakened on the basis of not changing the external structure of the branch pipe and not influencing the efficiency, and finally small head loss is contributed to the whole hydroelectric generation system; and the efficiency and the operation safety of the hydroelectric generation system are improved.

A hydro power generation system may include a powerhouse and an entrance region structure. The powerhouse may include an intake port, a draft port, and a power generator disposed therebetween, the power generator configured to generate electrical power. The entrance region structure may be coupled to the powerhouse and define a portion of a boundary of an entrance region and the natural run-of-the-river portion of a waterway. The entrance region may be distinct from the natural run-of-the-river portion of the waterway and fluidically adjacent to the intake port.

The invention belongs to the technical field of hydroelectric power stations, and discloses a submersible hydroelectric power station with a reservoir tail desilting function, which comprises a dam body arranged at the river reach of the reservoir tail of a built reservoir, a liftable gate, a drain hole, a power generation assembly and a desilting structure, the dam body encloses the reservoir tail area of the built reservoir to form a first reservoir, the dam body encloses the secondary area to form a second reservoir, and the drainage hole is formed in a water outlet of the dam body; at least more than 25% of surplus water energy of the built reservoir can be reused through the arranged dam body, full load in the dry season and adjustable stable power generation in the wet season are achieved, the problem of waste of fall water energy in the full-dry season of the original reservoir is solved, the bottom of the submersible power plant is communicated with the second reservoir, and the water head can be directly used for driving the unit. The liftable gate accurately controls the water level difference, it is ensured that power can be generated in the full and dry periods, and the limitation that traditional secondary power generation is only available in the dry period is avoided. And the desilting problem is fundamentally solved, and the environment is protected.

The present invention discloses a sodium-magnesium hybrid battery with a P2-phase layered oxide cathode material, which includes a positive electrode sheet, a negative electrode sheet and a Na / Mg double-salt electrolyte. The positive electrode sheet includes a P2-phase layered oxide cathode material, and the negative electrode sheet is pure magnesium or a magnesium alloy. The present invention also provides a preparation method and an application of the sodium-magnesium hybrid battery with the P2-phase layered oxide cathode material. The present invention fundamentally avoids the consumption of raw sodium, and the relatively high specific capacity of metallic magnesium can additionally compensate for Mg<supgt;2+< / supgt;, enabling the battery to have a relatively high energy density; dendrites will not be generated on the surface of the metallic magnesium negative electrode, improving the intrinsic safety of the battery; while giving play to the inherent advantages of magnesium batteries, it also takes into account the advantage of the high ion transfer rate of the P2-phase layered oxide cathode material, having a relatively high first-cycle charge-discharge specific capacity and cycle stability; it can be used for energy storage devices in hydropower generation, wind power generation, backup power supplies or communication base stations, as well as power batteries for electric bicycles and low-speed electric vehicles.

The invention relates to the technical field of hydroelectric power generation hub safety monitoring, and discloses a truss type plane steel gate health monitoring system based on a multi-dimensional coupling sensing network, the system is constructed with nine modules, and the structure response data of a truss type plane steel gate are collected in real time through a sensor monitoring module; a high-reliability communication link is constructed in a data transmission module, noise suppression and feature enhancement are completed in a data preprocessing module, a dynamic load reconstruction module inverts a water flow impact load based on a hydrodynamic theory, and a damage diagnosis module fuses multi-source sensing information to realize microdefect identification. An inclination angle-water pressure coupling model is established through a posture safety evaluation module to judge the operation risk level, when an early warning decision module recognizes abnormity, grading alarm is automatically triggered, starting and stopping equipment is controlled in a linkage mode, and all monitoring data is stored in a distributed database through a data management module to form a full-life-cycle file; and finally, a visual billboard and an interaction control function are provided for the PC terminal / mobile terminal through the user interface module.

A kinetic hydroelectric energy pumped apparatus (KHEPA) motor for charging electric vehicles (EVs) or providing an off-grid power supply includes a robine in a housing; a battery; an inverter; a transformer; a voltage regulator; a pump-motor; a fluid tank; a fluid; a nozzle; a stator; a wiring harness; a relay; a fluid filler intake hose; pump hoses; a robine outtake hose; and a rectifier, with an optional starter pump. The KHEPA motor may include a central processing unit (CPU) operably connected to the battery, which incorporates the inverter, the transformer, the voltage regulator, and the relay. The robine includes a rotor water wheel, and a plurality of magnets configured to fit inside the stator. The pump conveys the fluid for delivery through the nozzle, rotating the robine and revolving the stator, thereby converting mechanical energy into electricity which may be used or stored in the battery for later use.

The invention discloses a vegetation construction scale optimization method, system and device for reservoir area carbon reduction and a storage medium, and relates to the technical field of reservoir area vegetation construction carbon reduction benefit optimization, and the method comprises the steps: building a correlation model between reservoir area water yield and climate and land utilization based on reservoir ecological environment basic data; constructing a vegetation construction scale scene set based on reservoir area land utilization and climate factors; based on the correlation model and the vegetation construction scale scene set, simulating the water yield and the carbon sequestration amount, and calculating the carbon reduction benefit; on the basis of the carbon reduction benefit, comprehensive benefits under different vegetation construction scale scenes are calculated, and an optimal scheme is determined; according to the method, a scientific and systematic decision-making basis is provided for reservoir vegetation construction in the aspect of carbon reduction benefits, and maximization of the reservoir carbon reduction benefits is achieved on the basis of considering the balance of the two benefits of vegetation carbon sequestration and hydroelectric generation carbon reduction.

The invention relates to the technical field of hydroelectric power generation equipment state monitoring and intelligent operation and maintenance, and particularly provides a pumped storage unit shafting digital twinborn visualization method and device, and the method comprises the steps: taking the data collected by a physical sensor of a pumped storage unit as the input of a pre-constructed POD-BP neural network agent model; obtaining an intrinsic mode and a time coefficient matrix corresponding to the intrinsic mode, wherein the intrinsic mode is output by a pre-constructed POD-BP neural network agent model and represents shafting dynamic response characteristics; obtaining global physical field data of the pumped storage unit through reconstruction based on the intrinsic mode and the corresponding time coefficient matrix; and mapping the global physical field data to a shafting three-dimensional geometric model corresponding to the pumped storage unit, and performing real-time rendering by using a visualization engine. According to the technical scheme provided by the invention, decision support is provided for predictive maintenance of the equipment, the cognitive depth and efficiency of personnel on the equipment state are greatly improved, and a powerful tool is provided for intelligent operation and maintenance.

The invention relates to the technical field of sewage treatment, and aims to solve the problems that an existing sewage treatment device depends on external power grid power supply, so that application scenes are limited, deployment and application are difficult, environment adaptability is poor, energy consumption loss is serious, and operation cost is high. The invention provides an integrated self-power-generation type sewage treatment device. According to the device, a hydroelectric generation module and a sewage treatment unit are deeply coupled ingeniously through a four-in-one innovative design of structure fusion, energy conversion, process optimization and capacity self-use, sewage is treated in order by adopting a partition series connection type structure, and the power generation device is driven by water flow kinetic energy in the treatment process; closed-loop energy supply is formed in cooperation with an energy storage and intelligent regulation and control system, and the power constraint of traditional equipment is fundamentally broken through. The system is especially suitable for rural areas without power grid coverage, islands, field operation campsites, emergency relief and other scenes with unstable power supply, and the technical breakthrough of'sewage treatment energy self-supply, low carbon and no energy consumption 'is achieved.

The invention relates to the technical field of hydroelectric generation, and discloses a drum-type power generation and water pumping system for intercepting river or ocean current. Comprising a roller, a flange, a blade, a front end cover, a rear end cover, a bolt, a screw, an oil filling hole countersunk head screw, a mechanical seal, a framework oil seal, a hollow stator axis, a spline, a screw thread, a spline sleeve, a nut, a movable pin, a transmission shaft, a cable and a movable pin hanging ring. At the same time, a level difference is formed between the upstream water surface and the downstream water surface of the roller, the water flow pushes the blades below the roller to promote the roller to continuously roll, and then the generator or the water pump connected to the two ends of the roller is driven to operate, and meanwhile the lever-like principle is utilized to counteract the counter-acting force of the generator hollow stator axis rotating along with the rotor through the transmission shaft connected with the spline housing. Only the rotor of the generator rotates while the stator is kept static, so that stable power generation is realized.

The utility model belongs to the technical field of direct-drive hydroelectric power generation devices, particularly relates to a horizontal-flow type permanent magnet direct-drive hydroelectric power generation device, and aims to solve the problem that the installation of the hydroelectric power generation device is unstable due to the fact that an existing horizontal-flow type permanent magnet direct-drive hydroelectric power generation device cannot fix a fixed supporting seat. The device comprises a fixed supporting seat; the fixing device is arranged on the fixed supporting seat; the limiting device is arranged on the fixing device; the lifting device is arranged on the fixed supporting seat; the rotating device is arranged at the bottom of the lifting device; the filtering device is arranged on one side of the rotating device; the conversion power generation mechanism is arranged on the rotating device; according to the hydraulic power generation device, the fixed supporting seat can be fixed, so that the purpose of improving the installation stability of the hydraulic power generation device is achieved.

To provide a power generation system and a power generation controller which can cause a hydroelectric generator to function as a primary adjusting force.SOLUTION: A power generation controller 4 executes discharge control of controlling an alkaline storage battery 3 to discharge power in a power net 5 when the power net 5 is running out of power, and starts power increase control of controlling at least a hydroelectric generator of a hydro power plant 2c to increase the power generation while the alkaline storage battery 3 is discharging power to the power net 5.SELECTED DRAWING: Figure 1

To provide a power generation system capable of causing a dynamo provided on a bicycle to generate electricity without pedaling. [Solution] The hydroelectric power generation system S is a hydroelectric power generation system for a bicycle (1) having multiple spokes attached to a wheel (10) and a dynamo adjacent to the wheel (10) that generates electricity through the rotation of the wheel (10), and is also provided with a blade (4) and a second stand (3). The blade (4) has a holding portion with a roughly C-shaped cross section and multiple plate members. The holding portion has a hollow portion extending in the longitudinal direction in which the spokes are placed, and slits that are continuous with the hollow portion and extend in the longitudinal direction and through which the spokes are passed. The plate members extend radially outward from the longitudinal direction of the holding portion. The second stand (3) exposes the upper half of the wheel (10) on which the blade (4) is placed above the water surface and separates the wheel (10) from the bottom so that the lower blade (4) of the wheel (10) is at a height where it experiences water resistance.

The application discloses an aluminum-UHPC combined bridge pier anti-collision device with a hydraulic power generation function, which comprises a plurality of energy absorption units, a plurality of power generation units, a sliding unit and a fixing assembly; the energy absorption unit comprises a first shell, a first strong magnet group, a second buffer layer, a corrugated plate, a first buffer layer and ultra-high performance concrete are arranged in the inner cavity of the first shell; the power generation unit is located on the inner side of the energy absorption unit; the power generation unit comprises a second shell and a second strong magnet group, the second strong magnet group is installed in the second shell, and an electric wire is wound on the second strong magnet group; the sliding unit comprises a plurality of annular guide rails, a plurality of horizontal rollers and a plurality of vertical rollers; the plurality of horizontal rollers are slidably connected along the plurality of annular guide rails; the fixing assembly comprises a plurality of flow resistance plates and a plurality of fastening parts. The application can effectively reduce the water pressure borne by the bridge pier, significantly reduce the risk of the bridge pier being seriously damaged by the ship collision, and has the advantages of multiple functions, outstanding energy consumption effect, strong adaptability, long service life and the like.