WO2012053988A2 - Dispositif permettant de produire et d'accumuler de l'électricité - Google Patents

Dispositif permettant de produire et d'accumuler de l'électricité Download PDF

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Publication number
WO2012053988A2
WO2012053988A2 PCT/SI2011/000057 SI2011000057W WO2012053988A2 WO 2012053988 A2 WO2012053988 A2 WO 2012053988A2 SI 2011000057 W SI2011000057 W SI 2011000057W WO 2012053988 A2 WO2012053988 A2 WO 2012053988A2
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WO
WIPO (PCT)
Prior art keywords
power plant
dam
hydroelectric power
water
pumping
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Application number
PCT/SI2011/000057
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English (en)
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WO2012053988A3 (fr
Inventor
Mitja Koprivsek
Original Assignee
Mitja Koprivsek
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Application filed by Mitja Koprivsek filed Critical Mitja Koprivsek
Publication of WO2012053988A2 publication Critical patent/WO2012053988A2/fr
Publication of WO2012053988A3 publication Critical patent/WO2012053988A3/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/06—Stations or aggregates of water-storage type, e.g. comprising a turbine and a pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/007—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with means for converting solar radiation into useful energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/10—Combinations of wind motors with apparatus storing energy
    • F03D9/13—Combinations of wind motors with apparatus storing energy storing gravitational potential energy
    • F03D9/14—Combinations of wind motors with apparatus storing energy storing gravitational potential energy using liquids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • F03D9/255—Wind motors characterised by the driven apparatus the apparatus being an electrical generator connected to electrical distribution networks; Arrangements therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/40—Use of a multiplicity of similar components
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier

Definitions

  • the invention belongs to fixed constructions, namely to buildings for industrial purposes, in particular power plants.
  • the invention refers to electricity, namely to generation, conversion or distribution of electricity, namely to substations for the supply or distribution of electric power.
  • the invention refers to controlling of turbines.
  • the invention is rest on a problem of improving on the one hand the efficiency of operating said sequence of hydroelectric power plant with respect to variations of the water flow intensity of the river and the water level within reservoirs and to accumulate the produced energy and on the other hand also with respect to each available alternative energy resources, wherein the purpose of the invention is also efficiently accumulating the energy, which is produced by means of each available sun light and/or wind.
  • the described proposal according to the invention among others refers to accumulating of electricity obtained by means of recoverable energy resources, in particular by means of photovoltaic solar power plants and wind power plants, wherein such energy is stored by means of accumulation of the water flow intensity in two or more hydroelectric power plants.
  • Invention namely provides a system which is capable to store electricity produced by solar and wind plants, wherein such stored energy may be used later-on, e.g. during the time periods of increased consumption, when there is a need on such energy in a electricity distributing system.
  • the prior art includes several different methods for accumulating energy, which are described in the literature, namely pumping hydroelectric power plants, compressed air, batteries, flywheels, capacitors, superconductive magnets, storage of hydrogen and linked electric vehicles.
  • the invention is dealing with the area of hydroelectric power plants, so that only relevant prior art will be discussed for the purposes of this invention.
  • Pumped storage hydroelectric power plants are known for decades of years.
  • the basic operating principle is pumping the water from the lower reservoir towards a higher located reservoir.
  • the height distance between both reservoirs is sufficiently is usually at least 100 m and sometimes between 500 and 800 m.
  • Such pumping hydroelectric power plant called Avce www.hse.si is already installed in Slovenia near to Nova Gorica is operating on the basis of pumping the water from the river towards the reservoir, which is located several hundred meters higher in mountains.
  • Another pumping hydroelectric power plant called "Kozjak” is planed in Stajerska and should pump the water from the river Drava towards the basin located several hundred meters higher on a hill named Kozjak.
  • a further characteristic of said pumping hydroelectric power plants is pumping by means of excessive electricity, which is available in certain time periods, usually during the night.
  • the public electricity distributing system, into which said power plant is integrated, is merely supplied with electricity which is produced by thermal power plants by using fossil fuels, for which the permanent operation is the most efficient. Electricity consumption during the night is essentially lower than during the day, and due to permanent operation of thermal power plant, purchasing the energy produced during the night may then be essentially cheaper. Consequently, emission of gasses is taking place also during the night, which is de facto one of deficiencies of such approach.
  • a turbine and alternator are located in the bottom station, which produce electricity when the water is flowing from the reservoir towards said bottom station.
  • the alternator in the pumping mode, the alternator is operating like a motor by which the turbine is driven, which is then operating like a pump.
  • a reversible pumping system which is allowed to operate in a single operating mode, namely either as a pump or as a power plant.
  • construction of a reservoir and relatively long and huge pipeline is always connected with extremely high expenses.
  • an electric power plant is described in HR P20080132 A2 or WO 2009/1 18572 Al, which is a combination of a hydroelectric power plant and a solar power plant.
  • Such power plant comprises a dam, which serves for accumulating a certain quantity of water at a desired height and herewith accumulating of potential energy, which is later-on by means of discharging the water downwards to the turbine transformed into kinetic energy and by means of the alternator into electricity.
  • a sequence of solar cells is available, by which the disposable light is transformed to electricity, by which a pump is powered, by which a certain quantity of water is pumped from the area below the dam and downstream with regard to the turbine back towards the area behind of the dam, by which the solar energy is transformed into potential energy and is therefore accumulated.
  • Such device may improve efficiency of operating a hydroelectric power plant, if the weather conditions are good. However, the weather conditions are permanently changing. In the absence of light, the solar energy cannot be produced, and pumping the water by means of the solar energy is not possible. In such situation, such plants might generally operate similarly like a pumped storage hydroelectric power plant, where the pump is supplied by cheap energy from the public electricity distributing system, if possible.
  • the present invention refers to a device for producing and accumulating of electricity, comprising a hydroelectric power plant, which includes a dam together with a belonging reservoir located behind/above said dam at each disposable height potential, a turbine together with each belonging alternator, which is via appropriate switchboard electrically interconnected with each disposable electricity distributing system, wherein said power plant is furnished with a reverse conduit, in which a pump is integrated for the purposes of pumping the water from the area below the dam and downstream with regard to the turbine and the alternator mechanically connected therewith towards the area above/behind said dam, wherein the pump is thanks to a control unit powered by means of the energy produced by at least one solar power plant and/or at least one wind power plant, or optionally by means of the energy from the electricity distributing system, to which said alternator of the a hydroelectric power plant is connected via a switchboard.
  • a hydroelectric power plant which includes a dam together with a belonging reservoir located behind/above said dam at each disposable height potential, a turbine together with each belonging alternator, which
  • such device comprises a system of at least two, preferably at least three hydroelectric power plants, which are located along the same river on different height potentials, each hydroelectric plant comprising at least one dam with a reservoir located at each desired height potential of each hydroelectric power plant as well as at least one turbine with the belonging alternator, and in the same time, in the area of each hydroelectric power plant at each height potential a reverse pumping conduit with integrated pump is foreseen for the purposes of pumping the water from the area below the dam downstream the turbine and the alternator towards the area of the reservoir before/above the said dam or optionally towards at least one reservoir of at least one of higher located, namely on a higher potential located hydroelectric power plant, when available.
  • pump is via a control unit electrically connected on the one hand with at least one available solar power plant and/or at least one disposable wind power plant, and on the other hand optionally via a supplemental switchboard with the main switchboard, by which the device is connected with each public electricity distributing system, and wherein the alternators are electrically connected with the switchboard, by means of which the device is each public electricity distributing system.
  • the reverse pumping conduit of at least one hydroelectric power plant which is located at lower height potential than at least one further hydroelectric power plant located at higher potential, in addition of at least one pump and the conduit for pumping the water from the area below/downstream the dam of said hydroelectric power plant towards the area above/before the dam of the same hydroelectric power plant also comprises an additional conduit which is intended for pumping the water from area from the area below/downstream the dam of said hydroelectric power plant towards the area above/before the dam of at least one of the hydroelectric power plants which are located higher, namely on a higher potential.
  • the reverse conduit (and the additional pumping conduit are each per se furnished with valves, and each of said valves is controlled by means of the main control unit via a supplemental control unit, so that the water is pumped by means of the pump from the area below/downstream the dam towards the area above efore the dam of the same hydroelectric power plant and/or optionally towards to the reservoir of at least one higher, namely on a higher potential located hydroelectric power plants on the same river.
  • the main control unit of such device according to the invention is adapted on the one hand to control turbines together with alternators, and on the other hand to control pumps and optionally also the valves of the reverse pumping conduits, when available, in dependency on actual intensity of the flow of the river and/or on actual level of the water at each height potential of each available hydroelectric power plant, as well as on each actual availability of energy resources used for operating of at least one solar power plant and at least one wind power plant.
  • said control unit is adapted to control the turbines together with alternators and on the other hand to control the pumps and optionally the valves, wherein in addition to data related to each actual intensity of the flow of the river and/or on actual level of the water at each height potential of each available hydroelectric power plant, as well as each actual availability of energy resources used for operating of at least one solar power plant and at least one wind power plant, also all anticipated changes of the intensity of the flow of the river and/or on actual level of the water at each height potential of each available hydroelectric power plant, as well as of availability of energy resources used for operating of at least one solar power plant and at least one wind power plant during a desired time period in the future are taken into consideration.
  • Solution of the previously mentioned problem is based on a sequence of hydroelectric power plants comprising at least two, preferably however at least three or even more dams with reservoirs and turbines and alternators located along the same river, wherein each dam is furnished with a reverse pumping system from the area below each dam towards the higher located area, and such pumping system comprises at least two or even more conduits with pumps, wherein said pumps are powered by means of energy obtained from solar power plants and wind power plants.
  • the benefit of such system is increasing the overall power for the power produced by photovoltaic cells and wind power plants, wherein the deficiencies in availability of the sun light and the wind are then compensated by filling the reservoirs, so that the time period of discharging the reservoirs is then extended for a time period, which is proportional to the energy produced by photovoltaic cells and wind mills.
  • Such device for producing and accumulating of electricity comprises a system 1 of at least two, preferably at least three hydroelectric power plants 11, 12, 13, which are located on the same river but at different height potentials HI, H2, H3, as well as at least one solar power plant 2 and/or at least one wind power plant 3.
  • solar power plant for the purposes of interpretation of this application means any apparatus for transforming light energy, which has been obtained from any source, into electricity, while the expression “wind power plant” should be understood to determine an apparatus for transforming energy of the atmospheric air flows into electricity.
  • Each hydroelectric power plant 11, 12, 13 comprises at least a dam 1 1 1, 121, 131 which is capable to withstand to each desired quantity of the water collected within a reservoir 110, 120, 130 on each appropriate height potential HI, H2, H3.
  • Each dam 11 1, 121, 131 comprises at least one spillway, in which a turbine 112, 122, 132 is located, which is mechanically interconnected with an alternator 1 13, 123, 133, so that each disposable energy of the water flow from each reservoir 1 10, 120, 130 is transformed into kinetic energy of rotating turbine 112, 122, 132, which is then by means of each belonging alternator 1 13, 123, 33 transformed into electricity, which is then via appropriate switchboard 5, by which all disposable alternators are electrically interconnected, dispatched into each electricity distributing system
  • each hydro-power plant 11, 12, 13 is furnished with a pump 1 14, 124, 134, which is integrated within a corresponding reverse pumping conduit 115, 125, 135, which is adapted for pumping water from the area below the turbine 1 12, 122, 132 and the alternator 113, 123, 133 towards the area behind the dam 11 1, 121, 131.
  • Each pump 114, 124, 134 is driven and controlled via the control unit 4, which is electrically connected to each disposable solar power plant 2 and/or each disposable wind power plant 3 and optionally with the electric switchboard 50, which is electrically interconnected with the main switchboard 5, when desired.
  • each pump may also be substituted by more pumps.
  • the same type of pumps is used in all hydroelectric power plants 11, 12, 13, wherein the number of pumps in each particular hydroelectric power plant 1 1, 12, 13 may be different as in the other ones, and is e.g. determined with respect to the capacity of each hydroelectric power plant 1 1, 12, 13.
  • a pumping conduit 135' is foreseen in the area of at least one lower located hydroelectric power plants 11, 12, 13, corresponding to Fig. 1 in the hydroelectric power plant 13, and is adapted for pumping the water from the area below the turbine 132 and the alternator 133 of said hydroelectric power plant 13 towards the area behind the dam 121 of at least one preceding hydroelectric power plant 12 which is located on the higher potential H2 than the previously mentioned hydroelectric power plant 13 which is located at the height potential H3.
  • the pump 134 can be integrated within the reverse conduit 135, by means of which and thanks to valves 1 16, 1 17 which are controlled by said control unit 4 and a supplemental control unit 118, the water is pumped from the area below the dam 131 and behind the turbine 132 and the alternator 133 of the lower located hydroelectric power plant 13 either towards the area behind the said dam 131 or towards the area behind the dam 11 1, 121 of at least one preceding hydroelectric power plant 1 1, 12 which is located at appropriately higher altitude.
  • Such concept of the device according to the invention allows various combinations of producing and accumulating of electricity in accordance with actual needs of each particular electricity distributing system, by which it is interconnected via said switchboard 5.
  • At least one pump 114, 124, 134 may be supplied by electricity which is delivered from said distributing system, wherein the device according to the invention is then operating similarly like a classic pumping hydro-power plant, wherein in at least one of disposable hydroelectric power plants 11, 12, 13 the water is by means of the pump 1 14, 124, 134 returned from the area below the dam 1 1 1, 121, 131 back to the area behind the dam 11 1, 121, 131, by which the potential energy of the water is maintained despite to e.g.
  • Another operating possibilities of the device according to the invention relate to active operation modes depending on difficultly predictable conditions in producing clean energy from natural resources. It is known that said natural resources are difficultly predictable and that each estimate of availability of said natural resources is always connected with certain risks and unreliability. For example, the intensity of water flow in each river, where the hydroelectric power plants 1 1, 12, 13 are located, depends on precipitations in the area around the river, the intensity of which may essentially vary along different seasons during each year.
  • the availability of the solar energy is difficultly to predict, and is on the one hand depending on the season and the duration of availability of the day light between the sunrise and the sunset, and on the other hand also on the actual cloudiness. Even more difficultly predictable is the wind energy, which is generally available in the geographic area, where the winds are usually available, but also in these areas the possibility of temporarily deactivation of the wind power plant e.g. due to extreme winds cannot be excluded due to security reasons.
  • the energy produced by the solar power plant 2 and/or the wind power plant 3 is used for driving of at least one pump 1 14, 124, 134, by which the water is returned from the area below the dam 1 11, 121, 131 of at least one of the hydroelectric power plants 11, 12, 13 back to the area behind the dam 11 1, 121 of at least one of the preceding hydroelectric power plants 11, 12 located on the higher altitude, by which the smaller or larger amount of energy is optionally accumulated, so that later-on, when the solar and/or wind energy are not available anymore, the electricity can be produced thanks to previously accumulated potential energy of the water in the reservoirs 110, 120, 130 of the hydroelectric power plants 11, 12, 13.
  • control unit 4 is capable either to supply the electricity distributing system by the energy which is produced by alternators 113, 123, 133 and/or at least one solar power plant 2 and/or at least one wind power plant 3, or to transfer the energy produced by means of at least one solar power plant 2 and/or at least one wind power plant 3 to at least one pump 114, 124, 134 for the purposes of pumping the water from the area below the dam 11 1, 121, 131 of at least one hydroelectric power plant 11, 12, 13 into the area of the reservoir 110, 120, 130 of the same hydroelectric power plant 11, 12, 13, or optionally from the area below the dam 131 of the downstream located hydroelectric power plant 13 into the area behind the dam 1 11, 121 of the one of the preceding hydroelectric power plants 11, 12 which are located on appropriately higher potential HI, H2, wherein each desired operation mode is determined on the basis of each actual need on electricity, each actual level HI, H2, H3 of the water in the reservoirs 1 10, 120, 130 of the hydroelectric power plants 10, 11, 12, each
  • such system 1 comprising at least three hydroelectric power plants 1 1, 12, 13 which are located at different height potentials HI, H2, H3, permits extremely wide possibilities of accumulating the energy produced by means of at least one solar power plant 2 and/or at least one wind power plant 3, by which simultaneously the efficiency of the whole system of the hydroelectric power plants 11, 12, 13 may be essentially improved, since the system is capable to be adjusted both to each actual need on electricity and each actual availability of resources used in producing the electricity.
  • the possibility of considering the weather forecast allows anticipating of available future intensity of the water flow in the river, solar energy and wind energy, so that by means of the control unit 4, each produced electricity can be either promptly transferred to the public electricity distributing system, when increasing of the water flow is expected in the future, or the excess energy produced by the solar power plant 2 and/or the wind power plant 3 can also be used for the purposes of pumping of an essential amount water onto essentially higher potentials HI, H2, H3, when decreasing of the water flow is expected in the future, so that essential energy can be accumulated and efficiently used later-on.
  • each pump 114, 124, 134 in each corresponding pumping conduit 115, 125, 135 on the dam 1 11, 121, 131 of each hydroelectric power plant 1 1, 12, 13 should be determined within the range between 1/4 and 3/4 of installed power of each assembly of the turbine 112, 122, 132 and the alternator 1 13, 123, 133 of each dam 1 11, 121, 131.
  • the device according to the invention is moreover characterized in that the circuit which is used to supply the pumps 114, 124, 134 does not represent a part of the common electricity distributing system and needs not to be synchronized therewith, if the alternating voltage is used, wherein such system may alternatively also operate with a direct voltage. Decision whether to use alternative or direct voltage merely depends on the supplemental source of clean energy. When several photovoltaic or solar power plants 2 are installed in the adjacency, then the use of direct voltage is preferred. The choice however depends on each particular situation.
  • Said control unit 4 can be available as a dispatching center and may comprise a supplemental switchboard 50 connected to the electricity distributing system, so that in situation when the hydroelectric power plants 1 1, 12, 13 e.g. for the maintenance reasons or the like do not operate at all and pumping of water also should not take place, each available solar power plants 2 and wind power plants 3 may depending on each weather conditions still produce electricity, which is then supplied directly towards the public electricity distributing system.

Abstract

La présente invention a trait à un dispositif permettant de produire et d'accumuler de l'électricité. Chaque centrale hydroélectrique (11, 12, 13) est constituée d'un barrage (111, 121, 131) qui est doté d'une turbine (112, 122, 132) qui est mécaniquement interconnectée avec un alternateur (113, 123, 133), interconnexion qui se fait par l'intermédiaire d'un tableau de contrôle (5) approprié qui est connecté à chaque système de répartition d'électricité. Un bassin d'accumulation (110, 120, 130) est prévu derrière/au-dessus de chaque barrage (111, 121, 131) où le niveau d'eau accumulée se situe à chaque potentiel de hauteur jetable (H1, H2, H3). Ladite centrale inclut une conduite inversée (115, 125, 135) qui est dotée d'une pompe intégrée (114, 124, 125) qui est conçue de manière à pomper l'eau à partir de la zone située en dessous, à savoir devant chaque barrage (111, 121, 131) et derrière la turbine (112, 122, 132) jusqu'à une zone située au-dessus, à savoir derrière le barrage (111, 121, 131). Ladite pompe (114, 124, 134) est alimentée grâce à une unité de commande (4) en énergie résultant d'au moins une centrale photovoltaïque (2) et/ou d'au moins une centrale éolienne (3) ou, facultativement, dudit système de répartition d'électricité, auquel ledit alternateur (113, 123, 133) est connecté par l'intermédiaire de dudit tableau de contrôle (5) de la centrale hydroélectrique (11, 12, 13).
PCT/SI2011/000057 2010-10-19 2011-10-07 Dispositif permettant de produire et d'accumuler de l'électricité WO2012053988A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SI201000326A SI23517A (sl) 2010-10-19 2010-10-19 Naprava za pridobivanje in akumuliranje električne energije
SIP-201000326 2010-10-19

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WO2012053988A2 true WO2012053988A2 (fr) 2012-04-26
WO2012053988A3 WO2012053988A3 (fr) 2012-06-14

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CN102704896A (zh) * 2012-06-16 2012-10-03 无锡同春新能源科技有限公司 太阳能光伏发电系统灌水用水力压裂方式开采页岩气能源
CN102704895A (zh) * 2012-06-16 2012-10-03 无锡同春新能源科技有限公司 风光互补发电系统灌水用水力压裂方式开采页岩气能源
GB2505415A (en) * 2012-08-28 2014-03-05 William Barrie Heptonstall Pumped storage system using tide to maintain water level in lower reservoir
WO2014020199A3 (fr) * 2012-08-03 2014-03-27 Bunt Planet S.L. Centrale de pompage mixte et procédé de génération et de stockage d'énergie
WO2014140629A2 (fr) * 2013-03-15 2014-09-18 Renewable Hydrocarbons Ltd Système de génération et de stockage d'énergie marémotrice
GR20160100320A (el) * 2016-06-10 2018-03-09 Εστια Συμβουλοι Και Μηχανικοι Α.Ε. Φωτοβολταϊκος σταθμος παραγωγης ενεργειας προσαρμοσμενης ισχυος
AT523139A1 (de) * 2019-11-14 2021-05-15 Puschl Dipl Ing Martin Verfahren zur Energiegewinnung und Speicherung

Citations (3)

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