WO2010130054A1 - Système pour déverser de l'eau vers une turbine afin de produire de l'électricité - Google Patents

Système pour déverser de l'eau vers une turbine afin de produire de l'électricité Download PDF

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Publication number
WO2010130054A1
WO2010130054A1 PCT/CA2010/000744 CA2010000744W WO2010130054A1 WO 2010130054 A1 WO2010130054 A1 WO 2010130054A1 CA 2010000744 W CA2010000744 W CA 2010000744W WO 2010130054 A1 WO2010130054 A1 WO 2010130054A1
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WO
WIPO (PCT)
Prior art keywords
water
valve
column
turbine
power
Prior art date
Application number
PCT/CA2010/000744
Other languages
English (en)
Inventor
Oldo Sykora
Nicolas Pataceano
Wladimir Novikow
Original Assignee
Savior Power Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Savior Power Corporation filed Critical Savior Power Corporation
Priority to CA2761843A priority Critical patent/CA2761843A1/fr
Publication of WO2010130054A1 publication Critical patent/WO2010130054A1/fr

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B1/00Engines of impulse type, i.e. turbines with jets of high-velocity liquid impinging on blades or like rotors, e.g. Pelton wheels; Parts or details peculiar thereto
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/06Stations or aggregates of water-storage type, e.g. comprising a turbine and a pump
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/30Energy from the sea, e.g. using wave energy or salinity gradient
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16Mechanical energy storage, e.g. flywheels or pressurised fluids

Definitions

  • the present disclosure is generally related to the field of power generation.
  • the present disclosure relates to hydropower generation.
  • Dams are often expensive to construct and maintain, and tend to be highly regulated, foe example, for environmental issues.
  • the present disclosure describes a system for discharging water to a turbine to generate power.
  • molecular reaction is a generally uni-directional compression force, such as the weight of a liquid confined in an open top rigid container and is volumetric with the wall of the rigid container acting as a compression force.
  • the total compression force exercised upon the liquid is not only the weight of the liquid but also the restrictive force of the wall of the container against the liquid which increases the stored compression force.
  • the disclosed system may provide greater efficiency in flowing water (e.g., by decreasing water loss) through a turbine generator, compared to conventional hydropower generators.
  • the total stored compression force of a liquid in a container may be converted into kinetic energy as a jet, if the opening allowing the liquid to expand occurs with sufficient speed that the decompression wave of the liquid can pass through the opening before the decompression wave is able to reverse the direction of expansion.
  • Use of the compression of water may allow the construction of power generating systems that reduces the amount of falling water required to generate the same power as hydraulic turbines using continuous flow of water.
  • the disclosed system may not require a large amount of water to flow through it in order to provide large amounts of power.
  • the reactor pulses the water, for example around six to nine times a second (this rate may be higher or lower), through a high speed valve and thus propels a turbine to generate power. Power may be thus generated using less water than a conventional water turbine, or more power may be generated for the same water consumption as a conventional water turbine.
  • the system may be equipped with one or more water pumps that pump water from the bottom of the system to the top. Once water flows through the pipe and through the valve, it may be collected at a lower reservoir and may be then pumped up to the top to be run through the system again. This may allow the system to be installed anywhere regardless of the location of a mass water supply. Pumping of water back to the top of the system may be powered by off-peak power or excess power from other power sources. Thus, the system may, for example, serve to store energy (in the form of a compressed water column) at off-peak hours and relatively efficiently convert the stored energy into useable power during peak hours.
  • the system may be installed on the bank of a river or lake without installation of a dam, though the system may also be used with a dam in some aspects. The system may only need a minimal flow rate of water and only the required flow may be diverted towards the intake pipe and used in the system. Once the water has flowed through the valve, the water may be released back into the main stream of the river or back into the lake.
  • the system may be used to pump water inland from water supplies located far from highly populated areas.
  • the system may provide at least some of its own power to run all the pumps required, and may use the same water that is being transported to flow through the system and generate at least some of the power. This may reduce or eliminate the cost of electricity needed to power the pumps.
  • the water pumps may also be powered by relatively inexpensive power, for example off-peak or excess power from other power sources.
  • the system may thus, for example, serve to store energy (in the form of a compressed water column) during off-peak hours and relatively efficiently convert this to useful power during peak hours.
  • a system for discharging water to a turbine to generate power comprising: a rigid container for containing contain a water column having a height sufficient to cause elastic compression of water in the water column and to accommodate propagation of compression waves in the water column; a valve attached to the rigid container for intermittently discharging water at a lower end of the rigid container, the valve having an open/close cycle with a time duration in the range of about 10 to about 200 milliseconds, to facilitate generation of compression waves in the water column, wherein opening and closing of the valve is dynamically controlled by a feedback controller; and a turbine positioned adjacent to the valve, the valve being directed to periodically discharge water to drive the turbine.
  • system further comprises a water pump for pumping discharged water into the rigid container.
  • the system has two or more rigid containers, each having a respective valve, the valves being directed at one or more turbines for driving the one or more turbines.
  • a valve for a container of liquid comprising: a piston adapted to fit in an opening in the container, the opening being sealed when the piston is in a closed position and opened when the piston is in an opened position; and an arm for driving opening and closing of the piston; wherein the valve has a high rate of opening and closing.
  • the valve comprises an elastic member to assist in driving opening and closing of the piston.
  • the valve is adapted to fit in a container having a wide bowl around the opening.
  • a method of discharging water to a turbine to generate power comprising: compressing a water column; and intermittently discharging water from the water column to drive a turbine for generating power, the water being discharged in a cycle having a time duration of about 10 to about 200 milliseconds, to facilitate generation of compression waves in the water column; wherein the water column has a height sufficient to cause elastic compression of water and to accommodate propagation of compression waves in the water column.
  • the method further comprises returning discharged water to the water column.
  • Figure 1 is a schematic diagram of an example of the disclosed system, in accordance with some aspects of the present disclosure
  • Figure 2 is a schematic diagram of an example of the disclosed system having two water columns, in accordance with some aspects of the present disclosure
  • Figure 3 is a schematic diagram of another configuration for the system of
  • Figure 2 Figure 4 is a close-up schematic diagram of the valve and turbine of the system of Figure 3;
  • Figure 5 is a schematic diagram of an example of the disclosed system having three water columns, in accordance with some aspects of the present disclosure
  • Figure 6 is a schematic diagram of a valve suitable for an example of the disclosed system, in accordance with some aspects of the present disclosure
  • Figure 7 is a schematic diagram of a turbine suitable for an example of the disclosed system, in accordance with some aspects of the present disclosure.
  • Figure 8 is a table showing example results achieved with an example prototype of the disclosed system.
  • Force may be defined as the unbalanced agent which changes the motion of a body. Simplified, force, F, is generally equal to the mass, w, of the body multiplied by the acceleration, a, that the mass develops.
  • a body in motion has kinetic energy.
  • a liquid confined in a rigid container when subjected to a compression force converts and stores the compression force into elastic deformation within its own mass and makes restitution of the compression force by expansion (decompression), either by expelling from the container the volume equal to that of the elastic deformation or pushing out any selected area of the container wall when and where the resistance to compression force is less than that of the stored compression forces.
  • the technology of the presently disclosed system introduces into standard power calculations the reaction of water to compression.
  • This reaction of water to compression includes the introduction of the elasticity of water, a property often ignored by traditional technology, which when applied may be useful for hydropower generation.
  • Figure 1 shows an example general configuration for a system for discharging water to a turbine to generate power.
  • the system includes a rigid container, such as a penstock, for a column of water, a valve for periodically discharging the water from the lower end of the rigid container, and a turbine positioned to be driven by water discharged from the valve for generating power.
  • water which may be provided by a continuous or periodic input
  • compressive forces due to gravity including stationary compression (Cw) and operational compression (which may be referred to as a "water hammer") (CH)-
  • Cw stationary compression
  • CH water hammer
  • the operational compression typically propagates in a wave-like manner (i.e., in the form of a compression wave), which may be oscillatory, cyclic or intermittent.
  • the stationary compression reduces the volume of water elastic compression qw and the operational compression reduces the volume of water by elastic compression q ⁇ .
  • the elastic compression results in energy stored in the water column (qw + ⁇ [u)-
  • the water is released in intermittent jets by the opening/closing of a valve B (e.g., a super fast jet valve), which is controlled by a valve operation activator C e (which may be an electrical or mechanical control, for example).
  • the water jets provide kinetic energy K to drive a turbine C, powering a generator M e .
  • the generator produces electrical power Ew- In the example shown, portions of Ew are directed to power the valve operation activator and a water return pump P e , with the remaining being net useful power NM e .
  • valve operation activator and/or the water return pump may be powered using another source of power, including, for example, power from solar power, wind turbines, gas, diesel, natural gas or any other suitable means, and which may be off-peak or less expensive power. This may allow a larger portion of the power generated by the water jets to be delivered as useful energy.
  • the container may be any suitable shape, such as cylindrical, for example having a cross-sectional area A and a height H.
  • the container may have a varying wall width, for example it may have thicker walls near the bottom.
  • the suitable dimensions of the column of water may vary or be dependent on the amount of power needed.
  • the column may have a sufficient capacity and height for the water to develop, in static condition between jets, a useful amount of stored elastic compression energy to transfer to the jet of water, coming from the valve, the acceleration for developing a large value of energy per volume of water in a very short period of time.
  • the valve may be a relatively fast open/close water valve.
  • the valve may open at a fast enough rate that an open/close cycle may be completed in around 2/10 of a second or less.
  • Such a valve may be used to release the stored elastic compression energy in a penstock or column of water by accelerating a water jet and develop, intentionally, a controlled high level water hammer effect.
  • the valve may be a super fast jet valve (SFJV).
  • SFJV super fast jet valve
  • SFJV super fast jet valve
  • the SFJV there is a liquid OPEN/CLOSE control valve that may operate at a rapid speed.
  • the valve may open fast enough to have the power benefit of the water's elastic expansion, compressed under its own weight and a water hammer effect, before the energy would be wasted by the water bouncing up and down in the column.
  • Operation of the SFJV may be controlled by a valve operation activator.
  • the SFJV may be any valve capable of an open/close cycle on the order of milliseconds, for example in the range of about 10 to about 200 milliseconds.
  • the SFJV may be any valve capable of sustaining such rapid open/close cycles repeatedly (e.g., about 31 trillion or more repeated cycles) over a suitable lifetime (e.g., about 20 years).
  • the turbine may be any suitable turbine.
  • the turbine may be designed to optimize power output when the turbine is driven by water jets from the valve.
  • the power output from the turbine may be transmitted for useful consumption.
  • a portion of the power output may be diverted to operate at least some aspects of the disclosed system.
  • the system may additionally include a water return pump for returning ejected water back to the rigid container, to recover the height of the water column.
  • power for the return pump may be at least partially provided by another power source, for example off-peak, inexpensive or excess power from another power source (e.g., power from solar power, wind turbines, gas, diesel, natural gas or any other suitable means).
  • another power source e.g., power from solar power, wind turbines, gas, diesel, natural gas or any other suitable means.
  • the system may, for example, take advantage of inexpensive or excess off-peak power to store energy in the form of the water column, and relatively efficiently convert this to useful energy (by driving the water turbine) during peak hours.
  • water may be introduced into the column from some other source, such as a stream, lake, reservoir, dam, water tank and the like, to recover the height of the water column.
  • the entire cycle from valve opening to valve closing may take about 1/10 of a second. This time may be longer or shorter as suitable.
  • Stationary water is compressed under its own weight and stores elastic deformation energy that can be released in the form of a jet of discharged water.
  • the power of the water hammer may increase the velocity of the water jet discharged from the valve and useful power may be output, such as in the form of a pulse or stream of water.
  • the stored elastic energy may be renewed after it is discharged, by closing the valve and recovering the pressure at the bottom of the water column, between the release of two consecutive water jets discharged from the valve, which may allow a fast cycle sequence of power output through bursts of fluid.
  • the column of water of suitable height in a rigid container in a stationary condition can store the elastic compression energy of the water compressed under its own weight.
  • the width of the column may, for example, range from about 700mm to about 8m, in particular from about 746mm to about 7.62m.
  • the height of the column may, for example, be from about 60m to about 90m.
  • Other dimensions may be suitable, for example the diameter of the container may be about 50mm and up, and the height or head of the column may be about 10m and up. These dimensions may be varied, for example depending on the amount of power to be generated and/or depending on where the system is installed.
  • the stored elastic compression energy creates a volume reduction that can be suddenly let to expand to the normal volume, by allowing the water to push through the valve located at the bottom of the column. This creates a water mass in the form of a jet discharged from the valve.
  • the water When the water is allowed to expand suddenly in this manner, it creates waves of 'pressure drop'; starting at the valve and moving upwards, layer by layer, to the top of the column.
  • the pressure drop wave reaches the top, the pressure of the water has been released through the valve.
  • the valve has to close fast, for example at the moment when the lowest or near lowest pressure in the column is reached (closing of the valve may not be exactly at the lowest pressure, for example due to response time of the control system).
  • the amount of water discharged in each water jet may be dependent on the dimensions of the water column and the open/close speed of the valve.
  • a jet of water may discharge from about 1.2L to about 3.6L of water over a duration of about 1/20 to about 1/10 of a second.
  • valve is opened again (opening of the valve may not be exactly at the peak of the overpressure, for example due to response time of the control system), creating a stronger jet of water than the one developed by the static pressure in the column.
  • the rhythmic open/close of the valve releases an ongoing series of intermittent jets.
  • the overpressure of the gravity and water hammer may help to increase the stored elastic compression energy.
  • time is a factor for the conversion of elastic compression energy into kinetic energy, and from kinetic energy into power.
  • the overpressure of the water hammer increases the stored elastic energy of compression and converts it to kinetic energy so that it increases the velocity of the jet of water well above that of falling weight. Because the system may be used in numerous situations and in different layouts, certain criteria may be taken into consideration for better efficiency and/or power output.
  • the location of the SFJV - The SFJV may be placed at the bottom of the water column, at the center or on one side, vertically or horizontally.
  • the column of the column may have different shapes to control and/or improve water flow (e.g., hemispherical, conical, etc.).
  • Valve open time and moment of maximum pressure The moment the pressure waves of the water hammer reaches the maximum pressure at the bottom of the column of water, the pressure at the top of the column is converted into kinetic energy moving the water upward. This movement may continue for a fixed time, such as approximately 0.046 seconds in some examples, until the pressure waves moving downwards reach the bottom of the column and change the kinetic energy of the upward movement into pressure. This time may be determined in order to know the time to open the valve to release the pressure before a negative water hammer effect. This time may be dependent on the dimensions of the water column, such as the height and/or cross-sectional area. This timing may be taken into account in a feedback controller for the valve.
  • the kinetic energy of the moving water may be improved in at least one of the following three ways:
  • the velocity, v, of the moving water may be increased
  • the time in which the higher velocity is attained may be reduced; 3) The increased velocity and the reduced time which is attained may be sustainable.
  • the stored elastic energy may be converted into the kinetic energy of a water jet by letting the water expand rapidly at the base of the column;
  • the stored elastic energy may be renewed with elastic waves at a speed close to that of the propagation of pressure moving up and down through the water. This happens so that the valve may open and close in short cycles for sustained power output.
  • the water column was 30.7 meters high, contained in a steel penstock 742mm (or 30") in diameter. Within the steel penstock, the water is compressed by two forces - its own weight and water hammer.
  • the SFJV was set to develop 9.5 water jets per second, with the energy of expansion developing in 0.045 seconds. The duration of time is equivalent to the duration of the over-pressure provided for by the pressure waves, commencing upon the closing of the SFJV up until the corresponding reverse pressure waves would commence lowering the increased pressure.
  • the power due to expansion was successful in developing 3860 watts of hydropower while operating at 16.66 revolutions per seconds or 1000 RPM.
  • Figure 2 shows an example of the disclosed system having two water columns.
  • FIG 3 shows another example of the disclosed system having two rigid containers, each having a SFJV.
  • the water jets from one of the SFJV valves drive a triplex power water pump to help raise the water to the original high level (e.g., with the aid of external power to drive the water return pump).
  • the volume of water raised is expected to be in excess of the water loss to drive the pump.
  • the excess of water is directed to a twin pipe system to drive an electric generator.
  • a small fraction of the power output of the electric generator is used to drive an air compressor for SFJV operation and have an excess of power to be used outside the system.
  • the system may use power from another power source including, for example, power from solar power, wind turbines, gas, diesel, natural gas or any other suitable means, and which may be off-peak or less expensive power, to help pump the water back to the original high level.
  • power from solar power wind turbines, gas, diesel, natural gas or any other suitable means, and which may be off-peak or less expensive power, to help pump the water back to the original high level.
  • Figure 4 shows an example arrangement of the SFJVs on an example of the disclosed system with two water columns. As shown, the SFJVs may be arranged to increase the efficiency in driving the turbine.
  • FIG. 5 shows an example of the disclosed system having three rigid containers for the water columns.
  • each column is provided with an upper water reservoir, and the upper water reservoirs are in communication with each other.
  • the SFJV from each column may be directed at the blades of a single turbine and arranged for increase efficiency.
  • Each column may have an isolation valve for shutting off water from that column.
  • the system may also be used as a two-column or one-column system.
  • There may also be a water pump for returning discharged water as described above, and a spill duct for collecting discharged water.
  • each rigid container may have a diameter of about 609mm, and be made of steel.
  • the system may include a housing for a valve and turbine.
  • An example suitable housing may include a pressured water input for receiving water from the rigid container, an orifice opening for the water, and a turbine placement and turbine shaft for connecting to a turbine.
  • the housing may also include a cam shaft, cam motor and cam wheel.
  • FIG. 6 shows an example of a valve suitable for use in the disclosed system, in some aspects.
  • a description of a suitable valve is provided in Canadian Patent Application No. 2,363,221, the entirety of which is hereby incorporated by reference.
  • the valve may include a piston that fits in an opening in the rigid container, which seals the opening when the piston is closed.
  • the valve includes a valve body A in which a plunger B is driven by a piston C. The distal end of the plunger fits in an opening in the jet nozzle D.
  • the valve may further include a plunger bushing E and a piston housing cover F.
  • the valve communicates with the rigid container via a water supply port al, and may be driven by pneumatic power (e.g., provided through pneumatic ports a5).
  • An optional nozzle reducer d4 is also shown.
  • the valve may also include seals (e.g., as indicated at el, cl and f2). Other arrangements may be suitable.
  • Precise timing of the valve may be provided by using a cam-driven system. Leakage may be decreased by using high quality seals, which may be replaceable, at the opening.
  • the valve may be designed to provide at least 31 trillion open/close cycles over a life span of about 20 years.
  • the valve and the valve housing may be configured based on any conventional design, provided the valve is capable of high-speed opening and closing (e.g., on the order of milliseconds) and has a relatively long life for repeated rapid open/close cycles.
  • Figure 7 shows an example of a turbine suitable for use in an example of the disclosed system, in some aspects.
  • the dimensions, number of blades, spacing of blades, orientation of blades, and other similar variables may be modified to increase efficiency of the turbine.
  • the present disclosure describes the use of water, other fluids may be suitable for power generation using the disclosed system and method.
  • the timing of the opening and closing of the valve may be controlled using a feedback loop, for example a proportional-integral-derivative (PID) controller, for example based on the power load feedback from the turbine generator and/or based on the pressure in the water column (e.g., as described above). Opening and closing of the valve may be controlled by electrical or mechanical means. For example, opening and closing of the valve may be controlled on the order of milliseconds.
  • PID controller may receive feedback from the generator (e.g., using conventional feedback devices) and dynamically change the timing for opening and closing of the valve in response.
  • RPM revolutions per minute
  • Another feedback for controlling the valve may be based on the pressure sensed in the water column (e.g., by a conventional pressure sensor or pressure transducer located, for example, at the bottom or near bottom of the rigid water container, near the valve or inside the valve body). At lowest or near lowest water pressure, the valve may be controlled to close, and at peak or near peak pressure, the valve may be controlled to open.
  • the generator load feedback and/or the pressure feedback may be synchronized at the PID controller (e.g., by a processor that controls the PID controller) in order to control the valve.
  • power load feedback from the generator may also be used to control when to pump water to replenish the water column. For example, during low power demand, the water return pump may be powered by the generator to pump water back into the system, which would also help to maintain a relatively constant load on the generator.
  • Figure 8 is a table showing test results of an example prototype system using the example valve of Figure 6, compared to a conventional continuous flow system (sample 13).
  • the valve had a nozzle of about 15mm the system had a head (i.e., water column height) of about 20.1m, with a water volume of about 5-6 m 3 .
  • the example valve was controlled to open/close for periods ranging from about 30 to about 80 ms, with each valve opening releasing a water jet having a volume in the range of about 0.000110 to about 0.000140 m 3 at an average velocity in the range of about 15 to about 20 m/s.
  • the disclosed system may be retrofitted to existing water turbine systems (i.e., those using continuous flow to drive turbines) to help improve the efficiency of energy conversion. This may allow more power than conventional systems to be delivered with the same water consumption as conventional systems.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

L'invention porte sur un système pour déverser de l'eau vers une turbine afin de produire de l'électricité, le système comprenant un contenant rigide pour contenir de l'eau, une vanne pour déverser de l'eau à partir de l'extrémité inférieure du contenant rigide, et une turbine devant être entraînée par l'eau déversée. Le contenant rigide est configuré pour contenir une colonne d'eau ayant une hauteur suffisante pour provoquer une compression élastique de l'eau et pour rendre possible la propagation d'ondes de compression dans la colonne d'eau. La vanne a un cycle d'ouverture/fermeture ayant une durée incluse dans la plage d'environ 10 à environ 200 millisecondes, pour faciliter la génération d'ondes de compression dans la colonne d'eau, et l'ouverture et la fermeture de la vanne sont commandées dynamiquement par un système de commande à rétroaction.
PCT/CA2010/000744 2009-05-14 2010-05-14 Système pour déverser de l'eau vers une turbine afin de produire de l'électricité WO2010130054A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2761843A CA2761843A1 (fr) 2009-05-14 2010-05-14 Systeme pour deverser de l'eau vers une turbine afin de produire de l'electricite

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US17825009P 2009-05-14 2009-05-14
US61/178,250 2009-05-14

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITLE20110002A1 (it) * 2011-02-21 2012-08-22 Marco Paolo Fabrizio De Centrale idroelettrica a moto ondoso con pompe a/c animate da galleggianti e bocche di mandata a prelievo differenziato in serbatoio sopraelevato
WO2013019656A3 (fr) * 2011-07-29 2013-11-14 Saudi Arabian Oil Company Système de production d'énergie transitoire hydraulique
GB2545890A (en) * 2015-11-27 2017-07-05 Lynton Foxcroft Derek Novel energy system

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BE1004851A3 (fr) * 1990-09-22 1993-02-09 Kiyotatsu Fukai Installation pour produire de l'energie electrique par pompage d'un liquide.
EP0555144A1 (fr) * 1992-02-07 1993-08-11 Gec Alsthom Sa Station de pompage
CA2363221A1 (fr) * 2001-11-19 2003-05-19 Nicolas Pataceano Valve a jet « super fast jet valve »
DE102004047290A1 (de) * 2003-09-24 2005-05-04 Karl Ludwig Holder Verfahren zum Betreiben einer Kraftstation und Kraftstation zur Durchführung des Verfahrens
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EP0555144A1 (fr) * 1992-02-07 1993-08-11 Gec Alsthom Sa Station de pompage
CA2363221A1 (fr) * 2001-11-19 2003-05-19 Nicolas Pataceano Valve a jet « super fast jet valve »
DE102004047290A1 (de) * 2003-09-24 2005-05-04 Karl Ludwig Holder Verfahren zum Betreiben einer Kraftstation und Kraftstation zur Durchführung des Verfahrens
US20060267346A1 (en) * 2005-05-27 2006-11-30 Tien-Chuan Chen Hydraulic power plant driven by gravity and buoyancy circulation

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ITLE20110002A1 (it) * 2011-02-21 2012-08-22 Marco Paolo Fabrizio De Centrale idroelettrica a moto ondoso con pompe a/c animate da galleggianti e bocche di mandata a prelievo differenziato in serbatoio sopraelevato
WO2013019656A3 (fr) * 2011-07-29 2013-11-14 Saudi Arabian Oil Company Système de production d'énergie transitoire hydraulique
GB2545890A (en) * 2015-11-27 2017-07-05 Lynton Foxcroft Derek Novel energy system

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