EP3184807B1 - Système de stockage et de récupération d'énergie - Google Patents

Système de stockage et de récupération d'énergie Download PDF

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Publication number
EP3184807B1
EP3184807B1 EP15003640.8A EP15003640A EP3184807B1 EP 3184807 B1 EP3184807 B1 EP 3184807B1 EP 15003640 A EP15003640 A EP 15003640A EP 3184807 B1 EP3184807 B1 EP 3184807B1
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EP
European Patent Office
Prior art keywords
turbine
pressure
pressurized
water tank
tank
Prior art date
Legal status (The legal status 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 status listed.)
Not-in-force
Application number
EP15003640.8A
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German (de)
English (en)
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EP3184807A1 (fr
Inventor
Joseph Maier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Renestor-M GmbH
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Renestor-M GmbH
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 Renestor-M GmbH filed Critical Renestor-M GmbH
Priority to DK15003640.8T priority Critical patent/DK3184807T3/en
Priority to EP15003640.8A priority patent/EP3184807B1/fr
Priority to DK17206440.4T priority patent/DK3321501T3/da
Priority to ES17206440T priority patent/ES2750001T3/es
Priority to ES15003640.8T priority patent/ES2688211T3/es
Priority to EP17206440.4A priority patent/EP3321501B1/fr
Publication of EP3184807A1 publication Critical patent/EP3184807A1/fr
Application granted granted Critical
Publication of EP3184807B1 publication Critical patent/EP3184807B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • 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
    • F03B17/00—Other machines or engines
    • F03B17/005—Installations wherein the liquid circulates in a closed loop ; Alleged perpetua mobilia of this or similar kind
    • 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
    • F05B2260/00—Function
    • F05B2260/42—Storage of energy

Definitions

  • the invention relates to a system for energy storage and recovery according to the features of patent claim 1.
  • Another storage method shows the DE601 18 987 T2 , This method is suitable for small storage such as on vehicles. For storage power plants which require a large storage volume, the method is not applicable.
  • US 2012/0279209 A1 describes an apparatus operating under atmospheric conditions to deliver a gas into a pressure-resistant container under high pressure and then gradually let it act on liquids in closed hydraulic apparatus until it is depressurized to atmospheric pressure. Disadvantage is in this process that to a necessary constant repetition again considerable energy expenditure for the compression of the gas and the operation of the hydraulic equipment is required.
  • WO 2011/101647 A2 A system is known for storing and recovering energy with compressed air and pressurized water tanks, and a Pelton turbine and a power generation generator connected thereto.
  • Out FR 3 012 537 A1 and EP 0 230 636 A1 is the use of a Pelton turbine with a frequency converter known.
  • the object of the invention is to provide a system for energy storage and energy recovery, which stores with high efficiency in an efficient manner excess energy in a public or non-public power grid and can be returned to selbiges same energy demand.
  • the energy storage and recovery system in particular a power plant, comprises at least one compressed air tank, at least one pressurized water tank connected to the compressed air tank, at least one turbine operatively connected to the at least one pressurized water container, and a generator for generating electrical energy, a high-pressure pump for conveying water from a water reservoir into the pressurized water container.
  • the turbine in operative connection with the at least one pressurized water tank is an overpressure turbine which is connected in series with a constant pressure turbine such that a drive shaft of the overpressure turbine is connected to a drive shaft of the constant pressure turbine and a drive shaft of the generator.
  • the constant pressure turbine is arranged according to the invention between the positive pressure turbine and the generator, wherein the generator has an interface for connection to a public power grid.
  • active connection is understood below to mean that the pressurized water container is connected directly to the turbine. This means that the water flowing out of the pressurized water container is conducted directly to the turbine and drives it.
  • the standing in operative connection with the pressurized water tank turbine is therefore not just driven by another turbine.
  • the overpressure turbine is in operative connection with the pressurized water container and is driven by the outflowing water.
  • the constant-pressure turbine is driven by the water flowing out of the overpressure turbine.
  • the overpressure turbine eg Francis turbine and the constant pressure turbine, eg Pelton turbine are connected via their drive shafts with the generator, a constant balance between the pressure turbine and the constant pressure turbine arises in such a way that the decreasing by the current pressure reduction performance of the pressure turbine is balanced by the constant pressure turbine ,
  • the energy stored in the pressure vessels can be optimally converted by the generator into electrical energy.
  • the pressure reduction at the entrance of the overpressure turbine is due to the falling pressure in the pressure water tank when water is removed from the pressurized water tank for power generation.
  • the drive shaft of the positive pressure turbine and the drive shaft of the constant pressure turbine can form a common shaft.
  • the drive shaft of the overpressure turbine and the drive shaft of the constant pressure turbine can be connected to each other via a torsionally rigid coupling.
  • the drive shaft of the overpressure turbine can be connected to the drive shaft of the constant pressure turbine via a transmission. It is also possible that an automatic clutch for decoupling the overpressure turbine is provided between the overpressure turbine and the constant pressure turbine.
  • an outlet of the at least one pressurized water container is connected to an inlet of the overpressure turbine and an outlet of the overpressure turbine is connected to an inlet of the equi-pressure turbine.
  • the discharge pressure from the pressure turbine can be controlled so that despite variable system pressure in the pressure water tank and thus variable input pressure of the pressure turbine, the discharge pressure from the pressure turbine and thus the inlet pressure in the constant pressure turbine can be kept constant.
  • the capacity of the constant pressure turbine can be adjusted to the required generator power via adjustable inlet nozzles (tail unit).
  • the volume of water is adapted to the required power and thus the performance of the overpressure turbine by adjusting the tail unit indirectly adjusted to the overall performance of the turbine combination. It is expediently arranged between an outlet of the overpressure turbine and an inlet of the constant pressure turbine, a device for pressure regulation of the admission pressure of the constant pressure turbine.
  • the overpressure turbine is expediently designed for inlet pressures between 10 and 1000 bar, in particular between 225 bar and 500 bar.
  • a connecting line may be present which connects the outlets of the pressurized water containers to one another, wherein the pressurized water containers are arranged relative to one another such that the connecting line enters Has slope and is connected at its lowest point (eg collector, water lock) with the inlet of the turbine (eg dip tube).
  • Exactly one pressure line can be present between an outlet of a compressed air tank and an inlet of a pressurized water tank, which is designed to conduct compressed air from the pressurized water tank to the compressed air tank and energy recovery compressed air from the compressed air tank to the pressurized water tank at energy storage.
  • the line is dimensioned so that when bursting a compressed air tank only a small volume can flow out and thus only a small supply of compressed air is necessary.
  • a shut-off device may be arranged which is set to close the connection line in the event of a sudden drop in pressure. This ensures that not all the stored compressed air can escape when bursting a compressed air tank or a pressurized water tank.
  • a connection line may be present, which connects the outlet of several compressed air tanks together, wherein the plurality of compressed air tanks are arranged to each other such that the connecting line has a slope and is connected at its lowest point to an inlet of a pressurized water tank. This ensures that condensate formed in the compressed air tanks flows through the connecting line into the pressurized water tank. It is thus possible that several compressed air tanks are assigned to a single pressurized water tank. If the system also includes several pressurized water containers, this ensures that when a compressed air and / or pressurized water container bursts, not all the pressure volume stored in the system can escape.
  • the system according to the invention comprises a plurality of groups of pressure vessels, each group consisting of a plurality of compressed air tanks and a pressurized water tank.
  • the system can continue to access the other groups by separating the affected groups by means of a gate valve.
  • the compressed air tank and the pressure water tank are connected to each other so that a constant pressure equalization between the two containers takes place, so that during the energy storage as well as during the energy production of the pressure in the two containers is always balanced, ie between the pressurized water tank and the compressed air tank is a pressure equilibrium.
  • energy storage ie water is introduced into the pressure water tank
  • the pressure in the total volume of the pressurized water container always increases
  • the pressure in the total volume of the pressurized water tank is always identical to the pressure in the compressed air tank.
  • a compressed air tank and a pressure water tank is connected via exactly one pressure line, which is designed to direct compressed air from the pressurized water tank to the compressed air tank and energy recovery compressed air from the compressed air tank to the pressurized water tank at energy storage.
  • This pressure line is used in the energy recovery that compressed air from the compressed air tank can flow without pressure loss in the pressure water tank. When storing energy, this pressure line is used to allow compressed air from the pressurized water tank to flow into the compressed air tank without loss of pressure. This ensures a simple construction.
  • a compressed air turbine Between the compressed air tank and the pressurized water tank can be arranged, in particular in the connection line between the compressed air tank and the pressurized water tank, a compressed air turbine. As a result, additional energy can be obtained when flowing through compressed air through the connecting line, whereby the efficiency of the system according to the invention can be improved and increased
  • the proposed systems are used for energy storage as well as for energy recovery.
  • the proposed systems for this purpose each have an operating state, namely a first state for energy storage and a second state for energy recovery.
  • water is pumped via a high-pressure pump from a water reservoir into the pressurized water tank, wherein the high-pressure pump is operated by means of excess energy from a public or non-public power grid. Due to the increasing amount of water in the pressurized water tank, the remaining compressed air in the pressurized water tank is displaced into the connected compressed air tank with simultaneous pressure increase due to the constant volume of the tank. Due to the pressure balance between the pressurized water tank and the compressed air tank, there is always identical pressure in both tanks. This pressure increases continuously with increasing amount of water in the pressurized water tank up to a predetermined maximum value.
  • water is supplied from the pressurized water tank to the Pelton turbine or the overpressure turbine and to the constant pressure turbine connected to it.
  • a generator which is connected to the drive shaft of the Pelton turbine or to the common drive shaft of the positive pressure turbine and constant pressure turbine generates energy which is supplied to a connected public or non-public power grid. Due to the decreasing amount of water at a constant volume of the container, the pressure in the pressurized water tank decreases. Due to the equalization of pressure between the pressurized water tank and the compressed air tank, both tanks have identical pressure at all times. This pressure decreases with decreasing amount of water in the pressure water tank and in the compressed air tank continuously up to a predetermined minimum value.
  • the proposed system works with operating pressures up to 500 bar. With appropriate design of the pressure vessel (pressurized water tank, compressed air tank) even pressures up to 1000 bar are possible. As a result, a high energy density is achieved, which can be stored in the smallest space. In this way, for example, powers between 2 and 450 MW are possible. By enlargement, ie enlargement of the compressed air tank and pressurized water tank any amount of energy can be stored much cheaper than previously known storage systems. For example, it is possible that the volume ratio between pressurized water tank and compressed air tank is 1: 1, 1: 2, 1: 3 or 1: 4 and more.
  • the proposed system essentially works with circulating water, which is expanded by the Pelton turbine or by the serial arrangement of the overpressure turbine and constant pressure turbine and pumped back by means of high-pressure pumps in the pressure water tank.
  • the system works with a small amount of supplementary air. Supplementary air may be required due to leaks in the pressure system and can be topped up in the respective containers if necessary. The required amount is determined during operation of the proposed system via the control unit and supplied via a compressed air reservoir.
  • a comparison device may be provided for comparing the instantaneous pressure in the pressure water tank and / or the instantaneous pressure in the compressed air tank and the instantaneous amount of water in the pressure water tank with a target pressure value, a comparison device.
  • the comparison device is designed such that, depending on the result of the comparison, compressed air is supplied to compressed air from a compressed air reservoir (air chamber). The leaked by leakage air is thus compensated by supplementary air.
  • the compressed air reservoir is connected to a compressor for conveying outside air into the compressed air reservoir.
  • the compressed air tank is filled exclusively with compressed air via an upstream compressed air reservoir, which can be filled by a compressor.
  • the pressure is compressed once in the compressed air tank and pressurized water tank before commissioning of the storage power plant depending on the design to a pressure of 50, 100, 200 or up to 1000 bar.
  • the compressor is used exclusively for the supply of compressed air in a compressed air storage, which is upstream of the compressed air tank and only serves to replace the air leakage.
  • the storage power plant can thus be operated at pressures of 50, 100, 200 or up to 1000 bar.
  • control unit which is designed to control the high-pressure pump by means of electricity from the public power grid, depending on the utilization of a connected to the system or connectable public or non-public power grid to water from a water reservoir in the pressurized water tank to pump if there is an energy surplus in the public power grid.
  • Pressurized water is passed from the pressurized water tank to the turbine and the power generated in the generator connected to the turbine is supplied to the public power grid when there is an energy demand in the public power grid.
  • the proposed system can be stored with short reaction times either excess energy or stored energy can be made available.
  • the energy storage takes place without exception by recycling the circulation water with high-pressure pumps in the pressurized water tank. This process takes place only with excess energy from the public grid.
  • the required compressed air is also generated only with excess energy from the public grid.
  • the system according to the invention can be raised from 0 to 100% in about 65 seconds. Load changes occur in seconds.
  • the high-pressure pumps can be designed so that they can be driven out of the stillsands to 100% power for about 25 seconds.
  • the volume of the compressed air tank and the pressurized water tank can be designed so that the system of the invention over a period of up to 4 h can deliver the full design performance.
  • control unit is designed, in the case of energy recovery, to regulate the power generated by the overpressure turbine and / or the constant pressure turbine by opening or closing tail units (water inlet nozzles) connected to the overpressure turbine and / or the constant pressure turbine.
  • the proposed systems takes only a small space requirement and can be set up at any point in the vicinity of power lines, wind farms, Solaranalgen or large consumers. Furthermore, the proposed system does not require additional resources.
  • the storage system according to the invention in particular the pressure vessels, is expediently installed underground.
  • the system according to the invention can be constructed on flat or sloping terrain, in the smallest space. After the compressed air and pressurized water containers have been let into the earth, they are covered and reused as green space or arable land.
  • the environment is minimally burdened and resources compared to conventional systems considerably spared.
  • By housing the water reservoir to accommodate the relaxed from the turbine system water under the building to accommodate the turbines no additional space is needed for this. At the same time, the system is protected against contamination.
  • Fig. 1 shows the inventive arrangement of a positive pressure turbine 3 and a constant pressure turbine 3a in a system according to the invention for energy storage and recovery.
  • Fig.1 does not show the other components of the system according to the invention for energy storage and recovery for the sake of simplicity and for better illustration. It will be on the Fig. 2 and 3 directed.
  • the overpressure turbine 3, eg,. a Francis turbine has an inlet E3 and an outlet A3.
  • the inlet E3 is connected via a pressure line 5 with the / not shown pressurized water containers.
  • the outlet A3 of the overpressure turbine 3 is connected to the inlet of a constant pressure turbine 3a, for example a Pelton turbine.
  • the outlet (not shown) of the constant pressure turbine 3a is connected to a water reservoir for storing and collecting the water.
  • the drive shaft AW of the overpressure turbine 3 is connected to the drive shaft AW of the constant pressure turbine 3a.
  • a generator 4 for generating electrical energy is also connected.
  • the drive shaft AW is guided substantially centrally through the constant pressure turbine 3a.
  • the drive shaft AW is a one-piece drive shaft AW.
  • Fig. 2 shows an inventive system for energy storage and recovery with a combination of pressure turbine and constant pressure turbine and exemplified four compressed air tanks 1 and four pressurized water tanks 2.
  • Each pressure vessel 1, 2 is suitably designed as a single-walled container.
  • Each container 1, 2 may have a volume of up to 300,000 m 3 and be designed for a pressure of up to 1000 bar.
  • Each compressed air tank 1 has an inlet 1e for compressed air and an outlet 1a for compressed air.
  • the inlet 1e of a compressed air tank 1 is in communication with a compressed air reservoir 18, which also assumes the function of a compressed air equalizing tank.
  • This compressed air reservoir 18 is connected to a compressor 17, which can supply compressed outside air to the compressed air reservoir 18.
  • the power supply of the compressor 17 is effected by a system connected to the power grid or S.
  • the control and comparison unit 13 is connected via a data line 16 to a control valve 19.
  • This control valve 19 is disposed between the compressed air reservoir 18 and the compressed air tank 1, in particular between the output of the compressed air reservoir 18 and the input 1e of a compressed air tank 1.
  • Fig. 2 shows a single control valve 19, which is arranged in front of the entrances 1e of the four compressed air tank 1.
  • each compressed air tank 1 each have a control valve 19 at the input 1e of a compressed air tank 1 is arranged. This ensures that during operation of the system, the pressure in the system can be kept constant, for example at 500 bar.
  • control and comparison unit 13 By means of the control and comparison unit 13, as explained below, starting from the determined in the pressurized water tank 2 by means of the sensors SN amount of water and the available volume in the compressed air tank 1 and 2 in the pressurized water tank for a given pressure, eg 500bar required amount be determined from compressed air, which may need to be refilled from the compressed air reservoir 18 via the control valve 19 in the compressed air tank 1.
  • a given pressure eg 500bar required amount be determined from compressed air, which may need to be refilled from the compressed air reservoir 18 via the control valve 19 in the compressed air tank 1.
  • the sensor SD the pressure in a compressed air tank 1 is measured.
  • the sensors SD, SN are thus connected via data lines 16 to the control valve 19 and the control and comparison unit 13.
  • the outlet 1a of the compressed air tank 1 is connected via a pressure line 5 to the inlet 2e of a pressurized water tank 2.
  • shut-off valves which are arranged between the compressed air tank 1 and the pressurized water tank 2.
  • compressed air turbines which are arranged between the outlet 1 a of the compressed air tank 1 and the inlet of the pressurized water tank 2.
  • the output 2a of a pressurized water container 2 is connected via a shut-off valve 6 and a pressure line 5 to the inlet E3 of the overpressure turbine 3.
  • the outputs 2a of the pressurized water container 2 are each located at the lowest point of the pressurized water container 2. Furthermore, the outputs 2a of the pressurized water container 2 via a common pressure line 5 are interconnected. This pressure line 5 has a gradient in the direction of the turbine arrangement 3, 3a.
  • the overpressure turbine 3 and the constant pressure turbine 3a each have a controllable tail unit 7, 7a, via which the outlet pressure of the overpressure turbine 3 into the constant pressure turbine 3a and the feed quantity into the overpressure turbine 3a and the constant pressure turbine 3 can be regulated.
  • the output power of the turbine arrangement 3, 3 a can be regulated.
  • the inlet guide 7, 7a are connected via a data line 16 to the control and comparison unit 13.
  • the positive pressure turbine 3a and the constant pressure turbine 3 are connected via a common drive shaft AW connected to a generator 4 for power generation.
  • This generator 4 is connected to a power grid S or connectable to a power grid S.
  • overpressure turbine 3 and constant pressure turbine 3a are designed such that in the case of energy recovery through the arrangement of pressure turbine 3 and constant pressure turbine 3a led water from the pressurized water tank 1 is relaxed in a water reservoir 9.
  • the water reservoir 9 has an antechamber 10 for removing the water in the case of energy storage.
  • This pre-chamber 10 has an opening 10a, which is designed such that the lower boundary of this inlet opening 10a above the bottom of the pre-chamber 10 is arranged.
  • the upper boundary of the opening 10a is disposed below the water level (not shown) in the water storage 9.
  • the limitation prevents heavy parts from getting into the pre-chamber 10 in the water.
  • By immersing the upper edge below the minimum water level prevents air-containing water enters the antechamber, which can lead to disturbances of the high pressure pump 11 and impurities in the pressurized water tank 2.
  • the impurities can lead to disturbances in the turbines 3, 3a. Furthermore, it is prevented that the foam generated by the water relaxation of the constant pressure turbine 3 passes through microbubbles in the water, in the prechamber 10 and the high pressure pump 11.
  • a high pressure pump 11 is connected to the prechamber 10.
  • the power of the high-pressure pump 11 takes place from the connected or connectable power grid S.
  • a check valve 8 is provided in the connecting line 12 between the high-pressure pump 11 and pressurized water tank 2 , This check valve 8 serves to ensure that the built-up during the energy storage pressure in the pressurized water tank 2 causes no feedback to the high-pressure pump 11.
  • the system has a control and comparison unit 13.
  • This control and comparison unit 13 is connected via a data line 16 with pressure sensors SD in the compressed air tank 1 and with level sensors SN in the pressurized water tank 2.
  • the control and comparison unit 13 comprises a comparison device for comparing the instantaneous pressure in the pressurized water container 2 and the instantaneous pressure in the compressed air tank 1 and the instantaneous amount of water in the pressurized water container 2 with a desired pressure value.
  • the control and comparison unit 13 is set up such that, depending on the result of the comparison, the compressed air tank 1 is supplied with compressed air from the compressed air reservoir 18 via a control valve 19.
  • the control and comparison unit 13 is connected to a data line 16 to a network computer 15 of a connected or connectable public or non-public power grid S. About the network computer 15, a request to the control and comparison unit 13 is made, whether the system is to be used for energy or energy storage or can.
  • control and comparison unit 13 is connected via a data line 16 with the controllable inlet guide vanes 7, 7a of the turbines 3, 3a. This makes it possible to adjust the power required by the network computer 15 of the public power grid to the turbines 3, 3a. Further, the control and comparison unit 13 is connected via a data line 16 to the shut-off valve 6. This ensures that only in the case of energy recovery, the shut-off valve 6 is opened and a connection between the pressurized water tank 2 and turbines 3, 3a is made.
  • control and comparison unit 13 is connected via a data line 16 to a control device (not shown) of the high-pressure pump 11. It is thus possible to convert the excess energy supplied to the system from the power grid S into the pressurized water tank 2 as required in the transport of water.
  • Fig. 3 shows an inventive system for energy storage and recovery. with compressed air and pressurized water tanks arranged in groups.
  • Fig. 3 shows by way of example two groups each consisting of two compressed air tanks and a pressurized water tank.
  • FIG. 3 Unlike the system shown Fig. 2 two compressed air tanks 1 connected to a pressurized water tank 2.
  • the outputs 1a of the two compressed air tank 1 are connected via a pressure line 5 to the input 2e of a pressurized water tank 2.
  • two compressed air tanks 1 and 2 pressurized water tank form a group (storage group).
  • a plurality of compressed air tanks or a plurality of pressurized water tanks can be connected to one another in a group.
  • Shut-off valves which are present between the inlet 2e of a pressurized water tank 2 and an outlet 1a of a compressed air tank 1 within a group are not shown.
  • the pressure water tanks 2 of the groups are at the outputs 2a with the overpressure turbine 3 (see explanations to Fig. 1 ) connected.
  • the outputs 2a of the pressurized water tank via a pressure line 5 are interconnected, wherein the pressure line 5 in the direction of the collector has a gradient.
  • the required water is filled before commissioning of the system in the pressurized water tank 2.
  • the first-time filling of the pressurized water container 2 after the or the compressed air tank 1 is filled with compressed air.
  • the required pressure in the compressed air tank 1 or pressurized water tank 2 is generated by means of the compressor 17 and filled by the compressed air reservoir 18 into or the compressed air tank 1.
  • the pressure in the compressed air tank 1 and thus in the pressurized water tank 2 is increased to 10, 50, 100, 200 or 1000 bar.
  • the shut-off valve 6 between the pressurized water tank 2 and the turbines 3, 3 a is opened via the control and comparison unit 13 and thus the pressurized water in the pressurized water tank 2 of the overpressure turbine 3 and coupled with this constant pressure turbine 3a supplied.
  • the amount of water flowing into the overpressure turbine 3 is controlled by the control and comparison unit 13.
  • the power generated by the overpressure turbine 3 and the constant pressure turbine 3a is regulated.
  • the coupled to the overpressure turbine 3 and constant pressure turbine 3a generator 4 generates the from Network computer 15 of the power grid S requested amount of energy and feeds them into the power grid S.
  • control and comparison unit 13 regulates the energy recovery and the energy storage in the system.
  • the control and comparison unit 13 receives via corresponding data lines 16 from the network computer 15 of the power grid S specifications regarding the respective operating phase, ie whether the system is in the operating phase of energy recovery or energy storage.

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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)

Claims (13)

  1. Système de stockage et de récupération d'énergie comprenant
    - au moins un réservoir d'air comprimé (1),
    - au moins un réservoir d'eau comprimée (2) se trouvant en liaison avec le réservoir d'air comprimé (1),
    - au moins une turbine (3) se trouvant en liaison active avec ledit au moins un réservoir d'eau comprimée (2),
    - un générateur (4) pour la production d'énergie électrique,
    - une pompe haute pression (11) pour le refoulement d'eau d'une réserve d'eau (9) dans le réservoir d'eau comprimée (2),
    caractérisé en ce que
    - la turbine (3) se trouvant en liaison active avec ledit au moins un réservoir d'eau comprimée (2) est une turbine à réaction, qui est montée en série avec une turbine à action (3a) de telle manière qu'un arbre d'entraînement (AW) de la turbine à réaction (3) soit relié à un arbre d'entraînement (AW) de la turbine à action (3a) et à un arbre d'entraînement (AW) du générateur (4), et en ce que la turbine à action (3a) est disposée entre la turbine à réaction (3) et le générateur (4),
    - dans lequel le générateur (4) présente une interface pour la connexion à un réseau électrique public (S).
  2. Système selon la revendication 1, caractérisé en ce que l'arbre d'entraînement de la turbine à réaction (3) et l'arbre d'entraînement (AW) de la turbine à action (3a) forment un arbre commun ou l'arbre d'entraînement (AW) de la turbine à réaction (3) et l'arbre d'entraînement (AW) de la turbine à action (3a) sont couplés l'un à l'autre par un couplage calé en rotation ou l'arbre d'entraînement (AW) de la turbine à réaction (3) est relié à l'arbre d'entraînement (AW) de la turbine à action (3a) par un engrenage, et en ce qu'une sortie dudit au moins un réservoir d'eau comprimée (2) est raccordée à l'entrée de la turbine à réaction (3) et une sortie de la turbine à réaction (3) est raccordée à une entrée de la turbine à action (3a).
  3. Système selon la revendication 2, caractérisé en ce qu'un dispositif de régulation de pression de la pression d'entrée de la turbine à action (3a) est disposé entre une sortie de la turbine à réaction (3) et une entrée de la turbine à action (3a).
  4. Système selon l'une quelconque des revendications précédentes, caractérisé en ce qu'en cas de plusieurs réservoirs d'eau comprimée (2), il se trouve une conduite de liaison, qui relie les unes aux autres les sorties des réservoirs d'eau comprimée (2), dans lequel les réservoirs d'eau comprimée (2) sont disposés les uns par rapport aux autres de telle manière que la conduite de liaison présente une pente et présente à son point le plus bas un collecteur, qui est raccordé à l'entrée de la turbine (3, 3a).
  5. Système selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il se trouve une soupape d'arrêt (6) à l'entrée de la turbine (3, 3a).
  6. Système selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit au moins un réservoir d'air comprimé (1) est en permanence en équilibre de pression avec ledit au moins un réservoir d'eau comprimée (2), de telle manière que pendant le stockage et la récupération d'énergie la pression dans au moins un réservoir d'air comprimé (1) soit égale à la pression dans au moins un réservoir d'eau comprimée (2).
  7. Système selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il se trouve une turbine à air comprimé entre un réservoir d'air comprimé (1) et un réservoir d'eau comprimée (2).
  8. Système selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il se trouve entre une sortie d'un réservoir d'air comprimé (1) et une entrée d'un réservoir d'eau comprimée (2) exactement une conduite de liaison (5), qui est configurée en mode de stockage d'énergie pour conduire de l'air comprimé du réservoir d'eau comprimée (2) vers le réservoir d'air comprimé (1) et en mode de récupération d'énergie pour conduire de l'air comprimé du réservoir d'air comprimé (1) au réservoir d'eau comprimée (2).
  9. Système selon la revendication 8, caractérisé en ce qu'un dispositif d'arrêt est disposé dans la conduite de pression (5), qui est conçu pour fermer la conduite de pression (5) en cas de baisse soudaine de la pression.
  10. Système selon l'une quelconque des revendications précédentes, caractérisé en ce que le rapport du volume d'un réservoir d'eau comprimée (2) au volume d'un réservoir d'air comprimé (1) vaut 1:1, 1:2, 1:3 ou 1:4.
  11. Système selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il se trouve une unité de commande et de comparaison (13), qui est configurée de façon à commander, en cas d'utilisation maximale d'un réseau électrique public (S), la pompe haute pression (11) au moyen d'énergie provenant du réseau électrique public (S) afin de pomper de l'eau de la réserve d'eau (9) vers le réservoir d'eau comprimée (2), lorsqu'il se trouve un excédent d'énergie dans le réseau électrique public (S), ou pour conduire de l'eau comprimée du réservoir d'eau comprimée (2) vers au moins une turbine (3, 3a) et injecter dans le réseau électrique public (S) l'énergie produite dans le générateur (4, 4a), lorsqu'il existe une demande d'énergie dans le réseau électrique public (S).
  12. Système selon la revendication 11, caractérisé en ce que l'unité de commande (S) est configurée, pour le cas de la récupération d'énergie, pour réguler la puissance produite par au moins une turbine (3, 3a) par l'ouverture ou la fermeture de tuyères d'entrée d'eau (7) reliées à la turbine (3, 3a).
  13. Système selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il se trouve une unité de commande et de comparaison (13) pour comparer la pression instantanée dans le réservoir d'eau comprimée (2) et la pression instantanée dans le réservoir d'air comprimé (1) et la quantité d'eau instantanée dans le réservoir d'eau comprimée (2) avec une valeur de consigne, dans lequel l'unité de commande et de comparaison (14) est configurée de telle manière que de l'air comprimé soit fourni au réservoir d'air comprimé (1) à partir d'une réserve d'air comprimé (18) en fonction du résultat de la comparaison.
EP15003640.8A 2015-12-22 2015-12-22 Système de stockage et de récupération d'énergie Not-in-force EP3184807B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DK15003640.8T DK3184807T3 (en) 2015-12-22 2015-12-22 ENERGY STORAGE AND RECOVERY SYSTEM
EP15003640.8A EP3184807B1 (fr) 2015-12-22 2015-12-22 Système de stockage et de récupération d'énergie
DK17206440.4T DK3321501T3 (da) 2015-12-22 2015-12-22 System til energilagring og -genvinding
ES17206440T ES2750001T3 (es) 2015-12-22 2015-12-22 Sistema de almacenamiento y recuperación de energía
ES15003640.8T ES2688211T3 (es) 2015-12-22 2015-12-22 Sistema de almacenamiento y recuperación de energía
EP17206440.4A EP3321501B1 (fr) 2015-12-22 2015-12-22 Systeme de stockage et de récupération d'énergie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15003640.8A EP3184807B1 (fr) 2015-12-22 2015-12-22 Système de stockage et de récupération d'énergie

Related Child Applications (2)

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EP17206440.4A Division EP3321501B1 (fr) 2015-12-22 2015-12-22 Systeme de stockage et de récupération d'énergie
EP17206440.4A Division-Into EP3321501B1 (fr) 2015-12-22 2015-12-22 Systeme de stockage et de récupération d'énergie

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IT201700087718A1 (it) * 2017-07-31 2019-01-31 Walter Cassani Impianto generatore ed accumulatore di energia elettrica.
CN110259625A (zh) * 2019-05-31 2019-09-20 西安交通大学 一种利用地下含水层的抽水压缩空气蓄能系统及方法
DE102020112724A1 (de) 2020-05-11 2021-11-11 Johann Tauscher System zur Energiespeicherung und -rückgewinnung
AT17253U1 (de) 2020-07-02 2021-10-15 Gregor Anton Ulrich Verfahren und System zum Speichern und Abgeben von elektrischer Energie sowie Verwendung hierfür
DE102020127762A1 (de) * 2020-10-21 2022-04-21 Johann Tauscher System zur Energiespeicherung und -rückgewinnung
BE1029196B1 (fr) 2021-03-15 2022-10-17 Rutten New Energy System Sa Turbine hydraulique Pelton et installation
GB2608390A (en) * 2021-06-29 2023-01-04 Owners Capital Gmbh System for repurposing defunct nuclear power plant
IT202100020120A1 (it) * 2021-07-28 2023-01-28 Walter Cassani Impianto generatore ed accumulatore di corrente elettrica di tipo migliorato

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DE3601288A1 (de) 1986-01-17 1987-07-23 Siemens Ag Wassergetriebener maschinensatz mit wirkungsgradoptimaler vorgabe des drehzahlsollwertes
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WO2006084748A1 (fr) 2005-02-10 2006-08-17 Westphal Werner Reservoir sous pression
WO2009126784A2 (fr) 2008-04-09 2009-10-15 Sustainx, Inc. Systèmes et procédés de stockage et de récupération d’énergie à l’aide de gaz comprimé
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DE102011082726A1 (de) 2011-09-15 2013-03-21 Gaby Traute Reinhardt Druck-Speichereinrichtung
DE102013112196A1 (de) 2013-02-18 2014-01-23 Ed. Züblin Ag Angenähert isotherm arbeitendes Druckluftspeicherkraftwerk mit Möglichkeit zum teiladiabatischen Betrieb bei hohem Leistungsbedarf
DE102013018741A1 (de) 2013-03-27 2014-10-02 Andreas Buchmann Geräteeinheit und Verfahren zur Energiespeicherung und -rückgewinnung
CH708605A2 (de) * 2013-09-25 2015-03-31 Emil Bächli Emil Bächli Energietechnik Ag Pumpwasserdruck-Luftpolster-Energiespeicherung mit einstellbarem über die Druckluft regulierbarem konstantem Wasserdruck für den Turbinenantrieb.
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Also Published As

Publication number Publication date
EP3184807A1 (fr) 2017-06-28
EP3321501B1 (fr) 2019-07-10
DK3321501T3 (da) 2019-10-21
ES2688211T3 (es) 2018-10-31
DK3184807T3 (en) 2018-12-03
ES2750001T3 (es) 2020-03-24
EP3321501A1 (fr) 2018-05-16

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