323 results about "Hydro power" patented technology

The invention relates to a dam safety intelligent monitoring and pre-warning system based on full life circle and a method thereof, and belongs to the intelligent monitoring and pre-warning field of hydraulic and hydro-power engineering safety. By taking the full life circle of a high arch dam as a main line, a three-dimensional digital technology as a foundation and a building information model as a core, a full dam information model (DIM) including an overall three-dimensional structure of high arch dam concrete and foundation and construction process information are established, and an intelligent technology is applied by an intelligent high arch dam construction information platform for quality management and dynamic analysis control based on DIM development, so that the high arch dam construction such as application of essential data in the design period, full-process monitoring in the construction period and all-around monitoring and safety assessment and pre-warning analysis evaluation in the operation and management period of the high arch dam is realized, refine management and control on the high arch dam are realized, a foundation is provided for the safety management of the high arch dam, and safe operation in the whole life circle of the high arch dam is guaranteed.

A miniature hydro-power generation system may produce electric power from a flow of liquid. The miniature hydro-power generation system may include a housing that includes a plurality of paddles positioned to extend outwardly from an outer surface of the housing. The system may also include a nozzle and a centering rod extending through the housing. The housing may rotate around the centering rod when a stream of liquid from the nozzle is directed at the paddles. A generator that includes a rotor and a stator may be positioned within a cavity of the housing. The rotor may be coupled with the housing and the stator may be coupled with the centering rod. The rotor may rotate around the stator at high RPM to generate electric power when the housing rotates. The electric power may supply a load and / or may be stored in an energy storage device.

The invention is a transportable hydroelectric power generating system which is capable of being fully or partially assembled in a factory setting and then transported to a water stream. The system includes water channeling features which enhance the pressure within the system that the water exerts and a secondary pump feature which serves to further supply pressurized water to the impellers on the water wheels. Thus marginal streams may become power generating sites.

The invention relates to a method for enhancing bituminous mixtures by adopting chopped basalt fibers, belonging to the technical field of novel compound materials. According to the invention, continuous basalt protofilaments or twistless rovings the surfaces of which are expanded into fibers in certain length, and then the fibers are used for enhancing the bituminous mixtures in a certain doping proportion and can be respectively used for maintaining the bituminous mixtures used for new construction and reconstruction and extension of highways and SMA and OGFC bituminous mixtures as well as fiber seals. In addition, the fibers can also be used for the enhancement of high-speed railway packing layer CA mortar and relevant hydraulic architectures. The chopped basalt fiber plays roles of enhancing, toughening and elasticizing the cracking prevention, crack resistance and reinforcement and 'bridging' in the enhanced bituminous mixtures, can obviously increase the anti-rutting ability of highways of the enhanced bituminous mixtures and reduces the whole life costs of the enhanced bituminous mixtures; if the fibers are used for high-speed railway plate-type ballastless tracks and CA mortar, the bending strength and the deformation resistance can be increased, i.e. the fibers play a role of crack prevention and crack resistance; in addition, the fibers have better anti-water leakage action if being used for Hydraulic and Hydro-Power Engineering.

The invention relates to a laminated and partitioned automatic current control method applicable to a multi-target power grid, and belongs to the technical field of automation of power system dispatching. The method comprises multi-region control, multi-target control and laminated and partitioned coordinated control of section current; a laminated and partitioned power grid current coordinated control system and an adaptive control strategy; a sorting and allocating strategy which is used for adjusting the output of machine sets in real time, comprehensively takes voltage class, power grid region and energy-saving dispatching principle into account, and comprises a sorting and allocating strategy of generator unit clusters of different voltage classes in different power grid regions and a sorting and allocating strategy of generator units of same voltage class in the same power grid region; and partitioned independent super-short-term load forecasting control carried out in each control region of the power grid. The laminated and partitioned automatic current control method disclosed by the invention can be flexibly applicable to various power grid operating modes, and ensures that the power grid runs stably in an important power supply section circuit overhauling mode; and a hydro-power generating unit and a thermal power generating unit are controlled to generate power more consistently, and the method provides a powerful technical support for energy-saving power dispatching.

The invention discloses an intelligent NC super high pressure true 3D uneven loading and unloading and pressure stabilizing model test system. The system includes a combined rack reaction device, a super high pressure true 3D uneven loading and unloading device, an intelligent hydraulic pressure unloading and pressure stabilizing NC system, a model displacement automatic test system and a high-definition multi-probe peeping system. The super high pressure true 3D uneven loading and unloading device is arranged in the combined rack reaction device for performing super high pressure true 3D uneven loading and unloading on a test model. The intelligent hydraulic pressure unloading and pressure stabilizing NC system is connected with the super high pressure true 3D uneven loading and unloadingdevice through a high pressure oil pipe. Through input commands of the intelligent hydraulic pressure unloading and pressure stabilizing NC system, digital servo control of the super high pressure true 3D uneven loading and unloading device for super high pressure true 3D gradient uneven loading and unloading and pressure stabilization control is realized. The model displacement automatic test system collects displacement of any parts in the model automatically. The high-definition multi-probe peeping system observes a tunnel digging, deforming and destruction processes dynamically in real time. The system has advantages of large and adjustable size of the reaction device, servo control of loading, large loading volume, high loading precision, good pressure stabilizing performance, unevenloading and the like. The scale and the performance are innovative home and abroad and non-continuous deformation and destruction processes of deep tunnel digging in a complex environmental conditions can be simulated and accurate information of multi-physical field evolution such as tunnel surrounding rock displacement, stress, strain and the like of tunnels can be acquired through automatic testing. The system has significant application prospects in simulating nonlinear deformation and destruction mechanisms of deep underground projects including energy, traffic, hydro-power and mine and the like.

The invention relates to a method for measuring deep rock-sample initial damage distribution, aiming to provide a simple and feasible method for measuring deep rock-sample initial damage distribution, which can obtain the initial damage distribution situation of a rock sample and further reasonably determine loading mode and loading direction of the rock sample. The method comprises the following steps: processing the rock sample; installing an acoustic detection probe and an acoustic emission probe; carrying out a uniaxial loading test on the rock sample; determining the crack initiating strength of the rock sample; and carrying out comprehensive analysis on three-way acoustic wave velocity and distribution of acoustic emission events of the rock sample, and finally determining initial damage distribution of the rock sample. The method is applicable to a rock mechanical test which serves underground engineering such as deeply-buried hydraulic and hydro-power engineering, traffic, mine and the like.

A multidirectional hydrokinetic power generating turbine has an impeller housing with one or more impellers disposed within the impeller housing, one or more adjustable ducts pivotally connected to the impeller housing, and a plurality of duct leafs disposed about the one or more ducts. The plurality of duct leafs articulate and cause the one or more adjustable ducts to converge and diverge to selectively disposing a fluid about the one or more impellers.

A turbine installation configured for large scale hydrogen production includes a foundation structure separating an upper elevation headwater from a lower elevation tailwater. The foundation structure defines a water passageway extending therethrough between an inlet adjacent the headwater and an outlet adjacent the tailwater. A runner is supported for rotation by the foundation and disposed in the water passageway intermediate the inlet and the outlet so that water flowing through the passageway as a result of head differential causes rotation of the runner. A generator is supported by the foundation and connected to the runner by a rotary shaft for generating electrical power as the runner rotates. An electrolyzer is electrically coupled to the generator for receiving the electrical power and producing hydrogen. A control system is capable of sensing the remaining hydrogen storage capacity and performing an economic comparison analysis to determine whether operating the turbine to produce additional hydrogen or to supply a utility grid with power provides the highest economic return.

The invention relates to fire simulation experiment equipment for caverns in hydraulic and hydro-power engineering. The equipment comprises a cavern simulation system, a fire source system, a ventilation and smoke discharge system, a detecting and warning system and a measurement, collection and data analysis system, wherein the cavern simulation system is used for simulating a three-dimensional restricted space of fire generation; the fire source system is used for simulating different fire scenes and can be arranged at any position in the constituent parts of the cavern simulation system; the ventilation and smoke discharge system is used for simulating ventilation and smoke discharge in the cavern; and the detecting and warning system is used for detecting, identifying and warning on the fire inside the cavern simulation system; and the measurement, collection and data analysis system is used for measuring, collecting and processing data, comparing and analyzing experimental data and forecasting and estimating an accident. The equipment and the method of the invention can be used for carrying out experimental study on generation and development mechanism, ventilation, smoke discharge, control and prevention of the cavern fire in the hydraulic and hydro-power engineering, and providing reasonable and correct scientific proofs for engineering design and operation of underground caverns construction and fire safety of construction.

The invention discloses a rockburst active control method based on blasting excavation disturbance control. The rockburst active control method aims at overcoming the shortcoming that only blast load induction disturbance is considered in traditional blasting disturbance control, the rock mass strain energy release amount caused by single-section blasting is reduced by changing blasthole arrangement and an explosion initiation network, so that the goal of weakening overall release rate of rock mass strain energy is achieved on the basis of controlling blast load induction disturbance to achieve control of deep rock mass excavation disturbance, and active control of rockburst is achieved finally. The rockburst active control method is suitable for blasting excavation construction of deeply buried underground engineering in the fields of hydraulic and hydro-power engineering, traffic and mines and the like.

The invention discloses a three-dimension design cooperative working method used for hydraulic and hydro-power engineering. The method includes respectively building a foundation database corresponding to an attribute base, a model base and a graphic image base on the base that data collection, transmission and storage are conducted on terrain and geological base data of the existing engineering area, building a three-dimension geological detailed model of the hydraulic and hydro-power engineering scale through the foundation database corresponding to the attribute base, the model base and the graphic image base, utilizing the three-dimension geological detailed model as the core and utilizing the attribute base, the model base, the graphic image base to correlate geological prospecting, geological mapping and analysis, hydraulic structure three-dimension modeling and scheme analysis, construction organization scheme design and an optimization analysis method. The method achieves three-dimension integrated environment and cooperation analysis of geology- water project- construction cooperative design and analysis of hydraulic and hydro-power engineering by a geology- dam engineering, geology- underground construction and geology- slope engineering three-dimension visualization cooperative analysis method.

A method is disclosed for arranging and exciting the stator, rotor and various windings of a multi-stage brushless high frequency alternator so that the resulting multiple high frequency sub-phase armature winding outputs can be rectified and commutated into desired phases of power-frequency alternating current (AC) electrical output, including single-phase, split-phase, three-phase and other multiple phase output. Power frequency currents in field windings control output amplitude, output frequency, and output phase. If desired, DC power output can be accommodated as zero power-frequency operation. Devices incorporating this arrangement are suitable of generating fixed frequency electrical power while accommodating variable speed rotation of a generator shaft and offer multiple advantages over existing techniques. The capability to generate speed independent electric power allows natural power sources such as windmills and hydro-power stations to be efficiently coupled to fixed frequency power grids.

Apparatus and methods for generating power utilizing the flow of water from an upper water body to a lower water body in order to generate an upward buoyant force on at least one buoyant object located in a chamber. In preferred embodiments, water is recycled between at least two chambers which generate upward and downward strokes of at least two buoyant objects.

The invention discloses a mine fracture grouting material and a usage method thereof. The mine fracture grouting material comprises raw materials of, by weight, 5.5-6.0kg of superfine cement, 0.5-1.0kg of silica powders, 2.5-3.0kg of coal ashes, 0.3-0.5kg of bentonite and 0.05-0.12kg of water reducing agents. According to the mine fracture grouting material, the superfine cement is used as a host material and supplemented by other materials, and the main fracture grouting material has the advantages of being high in concretion rate, tiny in expansibility, low in bleeding rate and good in stability; when the water cement ratio is 1: 1, the 28-day compression strength of the mine fracture grouting material can reach 15MPa; the mine fracture grouting material can be well injected and permeated into fine fractures of rock masses; the problem of ground water environmental pollution caused by chemical grouts is absent, and engineering requirements of reinforcement and impervious effects are satisfied; and grouts manufactured by the mine fracture grouting material can be applicable to mine water management and micropore fractured rock mass reinforcing engineering of hydraulic and hydro-power engineering rock masses.

The invention relates to a circulating water tunnel-based synchronous measuring system for unsteady cavitating flows and belongs to the technical field of marine and underwater vehicle engineering and hydraulic and hydro-power engineering. According to the connectional relation, a laser generator emits laser which is guided to an experimental model though a laser guide arm; the laser guide arm is connected in order with the laser generator and a computer mainframe case; a high-speed camera acquires an image which is transmitted to the computer mainframe case; a pressure sensor acquires a pressure strength signal which is transmitted to another computer through a signal conditioner and a data acquisition card; the top of an experimental segment is provided with transparent organic glass; a synchronous trigger switch controls the high-speed camera and the data acquisition card at the same time. The system has the advantages that various experimental measurement devices are enabled to synchronously observe and measure a cavitating flow field and finally, the unsteady cavitation process, which is complex multi-field coupling flow, is comprehensively researched on.

The invention relates to a system structure of power generation group-level hydro-power generating unit distributed state monitoring and diagnosis platform construction. The system structure includes an overall technical architecture, a business architecture, an information / data architecture, an application architecture, a technical architecture, infrastructure and the like. According to a platform, based on unified codes, three levels of data centers are established to realize distributed data acquisition, storage and application; data are divided, pushed and extracted according to data characteristics and application requirements, so that network communication pressure and data maintenance quantity can be can effectively reduced, and therefore, the real-time performance of the data can be enhanced; application modules of the platform provide an application market which can provide application services for 9 levels of user roles according to needs; and mutual communication and sharing of information such as monitoring data, control dispatching, diagnosis results and policy-making instructions between a monitoring and control system, a regional centralized control analysis and diagnosis system and a group monitoring and diagnosis system of a station can be realized, and solutions can be provided for the power generation group-level hydro-power generating unit distributed state monitoring and diagnosis platform construction.

The invention belongs to the field of dam construction quality control of hydraulic and hydro-power engineering, and aims to provide a device which is suitable for earth-rock dam materials, realizes real-time monitoring on dam material compaction quality, remotely transmits monitoring information to a database for subsequent quality evaluation application and realizes the remote monitoring on a construction site. The technical scheme is that a real-time monitoring device of earth-rock dam material compaction quality comprises a runner wheel acceleration monitoring module, a global positioning system (GPS) positioning module and a data processing module, wherein an acceleration sensor of the runner wheel acceleration monitoring module is mounted on a part which is on a vibrating wheel of a rolling machine and which does not rotate with the vibrating wheel; and acceleration frequency spectrum data and the current sampling time are transmitted in the data processing module. The real-time monitoring device is mainly applied to the hydraulic and hydro-power engineering.

A turbine apparatus is immersed in an ambient stream of a flowing fluid, such as water, so as to encapture a portion of the flowing fluid and extract power therefrom, before returning it back into the ambient stream, which may be a tidal flow of ocean water, or a relative flow of water behind a boat. The apparatus includes a converging intake duct with an inlet opening that faces forward into the ambient stream flow, a spiral volute casing that redirects the fluid into a spiral flow, a rotor arranged coaxially on the spiral axis, and an exhaust duct that diverges and curves from an exhaust inlet coaxial with the spiral axis to an exhaust outlet that opens rearwardly into the ambient flow. The rotor has a peripheral rotor inlet around the circumference of a first stage thereof and an axial rotor outlet at one axial end thereof, and is arranged with its rotor axis coinciding with the spiral axis oriented transverse to the ambient stream flow. The rotor redirects the fluid from the spiral tangential and radial direction at the rotor inlet to the axial direction at the rotor outlet, while extracting power therefrom. Fluid flow channels are designed to achieve smooth acceleration, redirection, power transfer, and deceleration of the fluid preferably without turbulence and cavitation, and preferably using streamlines to develop the surface contours of complex channel components.

The invention relates to a system for reducing the environmental impact caused downstream by water extracted from a hydraulic dam which includes a floating structure in the surface water, connected to the water inlet of a tube and designed to float in the surface water, and a water outlet of the tube connectable to a feed gate in the retaining wall of the dam; the tube being designed to be adapted to various levels of the surface water in which the floating structure floats without preventing the flow of surface water through the tube, and the system allowing the performance of the method according to the present invention, all this in the event that there is in the dam a hydroelectric power station, without loss of power therein.

The invention discloses a method for measuring and calculating the rock mass fracture rate in the field, which comprises the steps of collecting geological data of an area to be measured; carrying out field geological reconnaissance; preliminary judging the number of groups of the joint planes, and determining the position and the size of a unit body; measuring the trace length, the fracture width and the attitude of each fracture plane of each group of the joint plane fractures, and further judging the number of groups of the joint planes; and calculating the total volume of each group of fractures and the rock mass fracture rate. The method disclosed by the invention renovates an inherent method for measuring the line fracture rate and the plane fracture rate, can acquire data of the rock mass fracture rate with high reliability on the basis of relatively convenient measurement, and is clear in process. The method disclosed by the invention can be applied to the engineering technology fields such as hydraulic and hydro-power engineering geology, geotechnical engineering investigation, rock mass seepage calculation, high and steep slope green plant covering and the like.

Clean energy powered surfboard having various advantages that make for easy to learn, easy to use, safer, exciting, high performance, environmentally friendly surfing on any ocean wave in the world. The various embodiments include novel motor, turbine, or electric motor generator surfboards comprising hydrogen or electric-powered motors, which can be switch-activated and which drive jet pumps. Energy can be stored as compressed gas, including air and hydrogen. Energy can be stored in novel capacitors that are incorporated in the body of the surfboard. Energy can be generated by solar or water power while surfing or by passing waves, for example, while waiting for a big wave. An output jet provides thrust to catch a wave, to return to the wave breaks, or to avoid a hazard. A novel fin output jet increases stability and maximizes thrust. Self-contained, self-recharging embodiments are low cost, lightweight, safer, and good for the environment.

The invention relates to a swimming pool bottom hydro power pushed automatic cleaner, comprising an underwater cleaner and a control power supply which are connected by a buoyancy cable; wherein the underwater cleaner comprises a shell cover part, a shell body part, a filter, a double extension motor assembly, a hydro power driven jaw clutch pulley assembly, a water flow channel, a wheel and support, an isolated hood and a cable with a buoy. Along with the rotating direction of the motor, the hydro power driven jaw clutch pulley assembly is reliably meshed or separated under the action of hydro power; the pulley changes working condition, so as to realize jet water to be flowed out and further change travel direction of the cleaner; the shell touches wall to cause the cleaner to automatically adjust direction after touching the wall, so as to change travel route after touching the wall; and an arranged suction tube and a unidirectional drainage valve avoid eddy diffusion of travel of the cleaner on sewage at the bottom and reduce the weight of the cleaner when being taken out from water. In addition, two or multiple axial-flow pumps are arranged horizontally, so that the cleaner has turning function and ordered full cover washing is realized.

A turbine apparatus is immersed in an ambient stream of a flowing fluid, such as water, so as to encapture a portion of the flowing fluid and extract power therefrom, before returning it back into the ambient stream, which may be a tidal flow of ocean water, or a relative flow of water behind a boat. The apparatus includes a converging intake duct with an inlet opening that faces forward into the ambient stream flow, a spiral volute casing that redirects the fluid into a spiral flow, a rotor arranged coaxially on the spiral axis, and an exhaust duct that diverges and curves from an exhaust inlet coaxial with the spiral axis to an exhaust outlet that opens rearwardly into the ambient flow. The rotor has a peripheral rotor inlet around the circumference of a first stage thereof and an axial rotor outlet at one axial end thereof, and is arranged with its rotor axis coinciding with the spiral axis oriented transverse to the ambient stream flow. The rotor redirects the fluid from the spiral tangential and radial direction at the rotor inlet to the axial direction at the rotor outlet, while extracting power therefrom. Fluid flow channels are designed to achieve smooth acceleration, redirection, power transfer, and deceleration of the fluid preferably without turbulence and cavitation, and preferably using streamlines to develop the surface contours of complex channel components.

The invention relates to the field of numerical simulation of dam grouting in hydraulic and hydro-power engineering, and provides a numerical simulation method of grouting, which is capable of finely simulating geological information and fracture information and is tightly combined with grouting engineering so as to precisely predict the geological information and the fracture information, and a grouting effect. The technical scheme adopted by the invention is as follows: the numerical simulation method of dam grouting capable of coupling the fine geological information and the monitoring information comprises three parts of dynamically monitoring and analyzing a grouting construction process; establishing a three-dimensional fine geologic model for predicting the geological information and the fracture information, establishing data information connection between the model and dynamic monitoring of the grouting construction process, and optimizing along with updating of the monitoring information; lastly, coupling the data information of two parts to complete simulation of the grouting value. The method is mainly applied to hydraulic and hydro-power engineering.

The invention relates to an assembled protective slope structure and a construction method thereof. The technical problem which needs to be solved by the invention is to provide an assembled protective slope structure and a construction method thereof to solve the technical problems of short construction period, high progress requirements and difficult implementation in the side slope protection engineering. The invention has the following technical scheme for solving the problems: the structure is provided with a plurality of concrete grid plates which are embedded positively and negatively to form a protective slope with holes, and a broken stone cushion layer and a block stone cushion layer are sequentially arranged below the concrete grid plates; concrete inverted T beams which are embedded with the grid plates are respectively arranged at the left side and the right side of the protective slope formed by the concrete grid plates, and the inverted T beams are fixed with side slope rock bodies through anchor bars I; and prism protecting pins are stacked at the lower ends of the concrete grid plates near a river bed, and brick skirts are arranged at the upper ends of the concrete grid plates and are connected with shore roads by cement coating above the broken stone cushion layer. The invention is suitable for hydraulic and hydro-power engineering, marine traffic engineering, and the like.

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.

The apparatus includes a water collecting plate 6 which collects water into a water inflow opening 8 while intercepting and accumulating water flowing through a waterway, and a movable gate 5 which is capable of changing flow cross-sectional area of water flow acting to the top ends of rotor blades 33 of a vertical axis turbine 3 as inflowing from the water inflow opening 8. Here, owing to changing of flow cross-sectional area with opening and closing of the movable gate 5, a flow rate can be adjusted by changing a water level at the upstream side and opening area of an orifice hole and operation of the rotor blades 33 can be stopped by blocking water passing toward the vertical axis turbine 3.

This water powered hydraulic ram, when housed in a supporting water-tight structure deep within a moving body of water, functions essentially as a four cycle engine with water as it prime mover. It is a linear motor, just as if it were powered by ordinary fossil-based fuels. This invention harnesses the force of moving water and the pressure of water at a depth and becomes a prime mover whose output is hydro-power. When water is confined in a solid body and its force is applied to the surface of a piston, that force is transmitted equally, in all directions throughout the fluid or gas in the form of pressure. It is a machine. This characteristic observes “Pascal's Law”. The component parts of this linear motor are a hydraulic ram cylinder, sliding ram pistons, a Venturi / Eductor jet pump, electronic piston positioning sensors, solenoid controlled valves and process program software. It is positioned to face an oncoming, irresistible downstream water force. It may be either singular or in plurality as an array, this being a site adaptation design issue. Its purpose is to transform the limitless energy from moving water. It is an integration of existing technology of various fields. It is applicable to any comparable moving fluid source, particularly water. The coastal Gulf Stream and other ocean currents provide ideal environments as infinite sources of renewable energy. Being operative in an infinite body of seawater, the highest priority application should be to apply pressure to seawater and pass it through a reverse osmosis membrane to remove the salt, The product would be unlimited quantities of potable, fresh drinking water.

The invention discloses a capacity optimization method for a hydroelectric / wind power / photovoltaic matching power source of a sending-end system considering a resource constraint, comprising the stepsof: developing two DC power transmission curve draw-up methods according to sending-end / receiving-end system requirements, wherein the methods comprise situations that a sending end does not participate in peak load regulation of a receiving end and the sending end partially participates in peak load regulation of the receiving end; considering the resource constraint to optimize a hydroelectric / wind power / photovoltaic matching power source capacity model; and performing calculation to achieve solution. The capacity optimization method of the invention has the beneficial effects that: the method fully considers regulation characteristics of different types of hydro-power generating units, and can be adapted to various DC transmission modes, thus problems of correlational research in the prior art can be effectively solved, and safety, stability and an absorption capability of power source transmission of a high hydroelectric proportion renewable energy source sending-end system can beimproved.