DE102012107258A1 - Closed fluid power plant i.e. pump storage power station, for converting kinetic energy of water into mechanical power and electrical power, has converter arranged at passage to convert kinetic energy of fluid into electrical power - Google Patents
Closed fluid power plant i.e. pump storage power station, for converting kinetic energy of water into mechanical power and electrical power, has converter arranged at passage to convert kinetic energy of fluid into electrical power Download PDFInfo
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- DE102012107258A1 DE102012107258A1 DE201210107258 DE102012107258A DE102012107258A1 DE 102012107258 A1 DE102012107258 A1 DE 102012107258A1 DE 201210107258 DE201210107258 DE 201210107258 DE 102012107258 A DE102012107258 A DE 102012107258A DE 102012107258 A1 DE102012107258 A1 DE 102012107258A1
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- fluid
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- fluid reservoir
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- 239000012530 fluid Substances 0.000 title claims abstract description 118
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 11
- 238000005381 potential energy Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000005086 pumping Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 241001672018 Cercomela melanura Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
Images
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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
- E02B11/005—Drainage conduits
-
- 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
- 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
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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
Description
Die vorliegende Erfindung betrifft eine Fluidkraftanlage zur Umwandlung von kinetischer Energie eines Fluids in mechanische und/oder elektrische Energie gemäß Patentanspruch 1 sowie ein korrespondierendes Verfahren und eine korrespondierende Verwendung.The present invention relates to a fluid power plant for converting kinetic energy of a fluid into mechanical and / or electrical energy according to
Fluidkraftanlagen, insbesondere Pumpspeicherkraftwerke oder Umwälzwerke, dienen der Speicherung von elektrischer Energie durch Hinaufpumpen von Wasser. Die somit gewonnene potentielle Energie des Wassers wird an einem Gefälle mittels Turbinen und Generatoren wieder zu elektrischem Strom umgewandelt. Die elektrische Energie wird also durch Umwandlung in potentielle Energie von Wasser gespeichert und nach Umwandlung dieser potentiellen Energie in elektrische Energie wieder ins Netz eingespeist. Auf Grund des begrenzten Wirkungsgrads wird die aufgenommene Energie nur zum Teil wiedergewonnen. Dennoch sind Pumpspeicherkraftwerke notwendige und unverzichtbare Energiespeicher, insbesondere technisch zur Regelung des Stromnetzes, um ein Überangebot von elektrischer Leistung aufnehmen zu können und wirtschaftlich um eine gleichmäßigere Auslastung von anderen Kraftwerken, die weniger regelbar sind, zu erreichen.Fluid power plants, in particular pumped storage power plants or circulation plants, serve to store electrical energy by pumping up water. The thus obtained potential energy of the water is converted back to electric current on a slope by means of turbines and generators. The electrical energy is thus stored by conversion into potential energy of water and fed back into the network after conversion of this potential energy into electrical energy. Due to the limited efficiency, the absorbed energy is recovered only partially. Nevertheless, pumped storage power plants are necessary and indispensable energy storage, especially technically to control the power grid to accommodate an oversupply of electrical power and economically to achieve a more uniform utilization of other power plants that are less controllable.
Kennzeichen eines Pumpspeicherkraftwerkes ist demnach die Fähigkeit, sowohl Energie aufzunehmen als auch abzugeben, wobei die Erzeugungsleistung bei Speicherwasserkraftwerken bei Bedarf innerhalb von Minuten zur Verfügung gestellt werden und in einem weiten Bereich flexibel geregelt werden kann. Dank ihrer sogenannten Schwarzstartfähigkeit können Pumpspeicherkraftwerke bei totalen Stromausfällen außerdem zum Anfahren anderer Kraftwerke eingesetzt werden.Characteristics of a pumped storage power plant is therefore the ability to absorb both energy and deliver, the power of storage hydroelectric power plants can be made available if needed within minutes and can be flexibly controlled in a wide range. Thanks to their so-called black start capability, pumped storage power plants can also be used to start other power plants in the event of total power failures.
Nachteil bisheriger Pumpspeicherkraftwerke oder Fluidkraftanlagen ist der erhebliche Eingriff in die Ökologie und ins Landschaftsbild, da die Speicherbecken der regelmäßigen Beanspruchung und Erosion durch wechselnde Wasserstände standhalten müssen. Der häufige Wasserwechsel mit einer völligen Durchmischung verhindert auch das Einstellen einer naturnahen Limnologie im Wasserkörper. Darüber hinaus besteht das Risiko eines Dammbruches.Disadvantage of previous pumped storage power plants or fluid power plants is the significant interference with the ecology and landscape, as the reservoirs have to withstand the regular stress and erosion due to changing water levels. The frequent change of water with a complete mixing also prevents the setting of a natural limnology in the water body. In addition, there is a risk of dam failure.
Aufgabe der vorliegenden Erfindung ist es daher, eine Fluidkraftanlage anzugeben, die möglichst wartungsfrei und mit geringstmöglichem Eingriff in die Ökologie und das Landschaftsbild arbeitet.Object of the present invention is therefore to provide a fluid power plant that works as maintenance-free and with the least possible interference with the ecology and the landscape.
Diese Aufgabe wird mit den Merkmalen der Patentansprüche 1, 11 und 12 gelöst. Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben. In den Rahmen der Erfindung fallen auch sämtliche Kombinationen aus zumindest zwei von in der Beschreibung, den Ansprüchen und/oder den Figuren angegebenen Merkmalen. Bei angegebenen Wertebereichen sollen auch innerhalb der genannten Grenzen liegende Werte als Grenzwerte offenbart und in beliebiger Kombination beanspruchbar sein.This object is achieved with the features of
Der Erfindung liegt der Gedanke zugrunde, die aus Fluidspeichern mit unterschiedlicher Höhenlage und mindestens einem Verbindungskanal, insbesondere zumindest überwiegend mit einem Gefälle α, vorzugsweise zumindest abschnittsweise α > 10°, noch bevorzugter α > 20°, zwischen den Fluidspeichern bestehende Fluidkraftanlage zumindest überwiegend aus Rohren auszubilden. Rohre haben den Vorteil, dass deren Einsatz im Zusammenhang mit Fluiden unter allen möglichen Einflussfaktoren getestet und erprobt ist und Rohre, insbesondere aus Glasfaserverstärktem Kunststoff (GFK), besonders leicht, witterungsbeständig und langjährig wartungsfrei einsetzbar sind. Rohre sind unterirdisch flexibel verlegbar/anordenbar, so dass die erfindungsgemäße Fluidkraftanlage praktisch keinen ökologischen Eingriff (außer beim Bau) erforderlich macht. Darüber hinaus kann eine erfindungsgemäße Fluidkraftanlage an bestehende ökologische Systeme, insbesondere natürliche Wasservorkommen, gekoppelt werden.The invention is based on the idea of fluid reservoirs with different heights and at least one connecting channel, in particular at least predominantly with a gradient α, preferably at least partially α> 10 °, more preferably α> 20 °, existing between the fluid storage fluid power plant at least predominantly from tubes train. Pipes have the advantage that their use in connection with fluids has been tested and tested under all possible influencing factors and pipes, in particular made of glass fiber reinforced plastic (GRP), are particularly light, weather-resistant and can be used for many years without maintenance. Pipes are flexibly installable underground / can be arranged underground, so that the fluid power plant according to the invention makes virtually no ecological intervention (except in construction) required. In addition, a fluid power plant according to the invention can be coupled to existing ecological systems, in particular natural water resources.
Gemäß einer vorteilhaften Ausführungsform der Erfindung ist die Fluidkraftanlage als geschlossenes System ausgebildet, damit die Fluidkraftanlage möglichst lange Zeit (Jahrzehnte) möglichst witterungsunabhängig unterirdisch oder unter Wasser angeordnet betrieben werden kann. Insbesondere ist die Fluidkraftanlage so ausgelegt, dass das Fluid nicht mit der Umgebung in Kontakt kommt.According to an advantageous embodiment of the invention, the fluid power plant is designed as a closed system so that the fluid power plant as long as possible (decades) as possible weather-dependent underground or under water can be operated. In particular, the fluid power plant is designed so that the fluid does not come into contact with the environment.
Indem eine, insbesondere zum Verbindungskanal parallel und/oder separat verlaufende, Pumpeinrichtung vorgesehen ist, kann, insbesondere in Zeiten geringen Energiebedarfs, Fluid von dem unteren Fluidspeicher in den oberen Fluidspeicher gepumpt werden.By providing a pumping device, which runs parallel and / or separately in particular to the connecting channel, fluid can be pumped from the lower fluid reservoir into the upper fluid reservoir, in particular in times of low energy requirement.
Erfindungsgemäß ist es von Vorteil, wenn der Umwandler im unteren Bereich des Verbindungskanals, also näher am unteren Fluidspeicher, angeordnet ist. In Verbindung hiermit ist es von Vorteil, wenn im Bereich des Umwandlers ein, insbesondere oberirdisch angeordnetes, Maschinenhaus vorgesehen ist.According to the invention, it is advantageous if the converter is arranged in the lower region of the connecting channel, ie closer to the lower fluid reservoir. In connection with this, it is advantageous if in the area of the converter, a machine house, in particular arranged above ground, is provided.
Indem der obere und/oder untere Fluidspeicher jeweils ein Fluidspeichervolumen von größer 1.000 m3, vorzugsweise größer 10.000 m3, aufweisen, ist die Fluidkraftanlage für einen größeren Energiebedarf und/oder -zeitraum ausgelegt.By virtue of the fact that the upper and / or lower fluid reservoir each have a fluid storage volume of greater than 1,000 m 3 , preferably greater than 10,000 m 3 , the fluid power system is designed for a greater energy requirement and / or period.
Dabei ist es erfindungsgemäß vorteilhaft, wenn der obere Fluidspeicher und der untere Fluidspeicher im Wesentlichen das gleiche Fluidspeichervolumen aufweisen. It is inventively advantageous if the upper fluid reservoir and the lower fluid reservoir have substantially the same fluid storage volume.
Mit Vorteil ist der untere und/oder der obere Fluidspeicher zumindest überwiegend aus, insbesondere kreiszylindrischen, Rohren mit einem, insbesondere einheitlichen, (maximalen) Rohrquerschnitt/Rohrdurchmesser von mindestens 0,5 m, vorzugsweise mindestens 1 m, noch bevorzugter mindestens 2 m, gebildet sind.Advantageously, the lower and / or the upper fluid reservoir is formed at least predominantly from, in particular circular cylindrical, tubes with a, in particular uniform, (maximum) tube cross-section / tube diameter of at least 0.5 m, preferably at least 1 m, more preferably at least 2 m are.
In Weiterbildung der Erfindung sind der untere und/oder obere Fluidspeicher als, insbesondere geschlossenes, Rohrsystem mit einer Vielzahl von gekoppelten Rohren ausgebildet.In a further development of the invention, the lower and / or upper fluid storage are designed as, in particular closed, pipe system with a plurality of coupled pipes.
Soweit der Umwandler als Turbine, insbesondere als Pumpturbine, ausgebildet ist, lässt sich dieser in den Verbindungskanal optimal einbinden und durch eine insbesondere im Maschinenhaus angeordnete Steuereinrichtung, vorzugsweise vollautomatisch, steuern. Soweit mehrere, insbesondere parallel verlaufende Verbindungskanäle vorgesehen sind, ist vorzugsweise jedem ein eigener, insbesondere separat ansteuerbarer, Umwandler zugeordnet.As far as the converter is designed as a turbine, in particular as a pump turbine, this can be optimally integrated into the connecting channel and controlled by a control device, in particular in the machine house, preferably fully automatically. As far as several, in particular parallel connecting channels are provided, preferably each has its own, in particular separately controllable, converter assigned.
Erfindungsgemäß ist es vorteilhaft, wenn zumindest alle mit dem Fluid beaufschlagten Bauteile unterirdisch und/oder unter Wasser angeordnet oder anordenbar sind. Dabei ist es von besonderem Vorteil, wenn der obere und/oder untere Fluidspeicher, insbesondere das Rohrsystem, begehbar sind.According to the invention it is advantageous if at least all the components acted upon by the fluid are arranged underground or under water or can be arranged. It is particularly advantageous if the upper and / or lower fluid reservoir, in particular the pipe system, are accessible.
Als eigenständige Erfindung wird ein Verfahren zur Umwandlung von kinetischer Energie eines Fluids in mechanische und/oder elektrische Energie offenbart, bei dem aus einem mindestens einem Rohr gebildeten oberen Fluidspeicher zur Speicherung des Fluids mit einer ersten potentiellen Energie in einen unteren Fluidspeicher zur Speicherung des Fluids mit einer zweiten potentiellen Energie kleiner als die erste potentielle Energie über mindestens einen Verbindungskanal zwischen dem oberen und dem unteren Fluidspeicher mit einem Gefälle zur Förderung des Fluids mit kinetischer Energie von dem oberen Fluidspeicher zum unteren Fluidspeicher mittels eines am Verbindungskanal angeordneten Umwandlers die kinetische Energie in mechanische und/oder elektrische Energie umgewandelt wird.As an independent invention, a method for converting kinetic energy of a fluid into mechanical and / or electrical energy is disclosed, in which from an at least one tube formed upper fluid reservoir for storing the fluid with a first potential energy in a lower fluid reservoir for storing the fluid a second potential energy smaller than the first potential energy via at least one connecting channel between the upper and the lower fluid reservoir with a gradient for conveying the fluid with kinetic energy from the upper fluid reservoir to the lower fluid reservoir by means of a converter arranged on the connecting channel, the kinetic energy in mechanical and / or electrical energy is converted.
Weiterhin wird als eigenständige Erfindung eine Verwendung eines Rohrsystems als Fluidkraftanlage zur Umwandlung von kinetischer Energie eines Fluids in mechanische und/oder elektrische Energie offenbart.Furthermore, as an independent invention discloses a use of a pipe system as a fluid power plant for the conversion of kinetic energy of a fluid into mechanical and / or electrical energy.
Soweit in der vorliegenden Erfindungsoffenbarung Vorrichtungsmerkmale offenbart sind, sollen diese auch als Verfahrensmerkmale und/oder Verwendungsmerkmale offenbart gelten und umgekehrt.Insofar as device features are disclosed in the present invention disclosure, they should also be disclosed as process features and / or usage features, and vice versa.
Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele sowie anhand der Zeichnungen; diese zeigen in:Further advantages, features and details of the invention will become apparent from the following description of preferred embodiments and from the drawings; these show in:
In den Figuren sind gleiche Bauteile und Bauteile mit der gleichen Funktion mit den gleichen Bezugszeichen gekennzeichnet.In the figures, the same components and components with the same function with the same reference numerals.
Die
Der obere Fluidspeicher ist, insbesondere mindestens 50 m, vorzugsweise mindestens 100 m, höher angeordnet oder anordenbar als der untere Fluidspeicher
An einem vorderen Ende
Die Rohre
In den
An dem vorderen Ende
Der Umwandler
Am unteren Ende
Das Fluidspeichervolumen des oberen Fluidspeichers
Die Fluidkraftanlage ist unterirdisch anordenbar, indem alle Bauteile mit Ausnahme des Maschinenhauses von einem Boden (hier Wiese) bedeckt anordenbar sind.The fluid power plant can be arranged underground, in that all components except the engine house can be arranged covered by a floor (here meadow).
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- FluidkraftanlageFluid power plant
- 2, 2'2, 2 '
- RohreTube
- 2a2a
- Abzweigjunction
- 2l2l
- Rohrreihentube rows
- 2q2q
- Rohrreihentube rows
- 33
- oberer Fluidspeicherupper fluid reservoir
- 3h3h
- hinteres Enderear end
- 3v3v
- vorderes Endefront end
- 3e3e
- Eckencorners
- 44
- RohreTube
- 4a4a
- Abzweigjunction
- 4l4l
- Rohrreihentube rows
- 4q4q
- Rohrreihentube rows
- 55
- unterer Fluidspeicherlower fluid reservoir
- 5h5h
- hinteres Enderear end
- 5v5v
- vorderes Endefront end
- 5e5e
- Eckencorners
- 66
- Verbindungskanalconnecting channel
- 6o6o
- oberes Endetop end
- 6u6u
- unteres Endelower end
- 77
- Umwandlerconverter
- 88th
- Maschinenhauspower house
- 99
- Einstiegsöffnungmanhole
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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DE201210107258 DE102012107258A1 (en) | 2012-08-08 | 2012-08-08 | Closed fluid power plant i.e. pump storage power station, for converting kinetic energy of water into mechanical power and electrical power, has converter arranged at passage to convert kinetic energy of fluid into electrical power |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE201210107258 DE102012107258A1 (en) | 2012-08-08 | 2012-08-08 | Closed fluid power plant i.e. pump storage power station, for converting kinetic energy of water into mechanical power and electrical power, has converter arranged at passage to convert kinetic energy of fluid into electrical power |
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Publication Number | Publication Date |
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DE102012107258A1 true DE102012107258A1 (en) | 2014-02-13 |
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DE201210107258 Ceased DE102012107258A1 (en) | 2012-08-08 | 2012-08-08 | Closed fluid power plant i.e. pump storage power station, for converting kinetic energy of water into mechanical power and electrical power, has converter arranged at passage to convert kinetic energy of fluid into electrical power |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019003203A1 (en) * | 2019-05-07 | 2020-11-12 | Bernhard Piekorz | Pumped storage plant |
US20220260046A1 (en) * | 2021-02-12 | 2022-08-18 | Liberty University | Hybrid renewable pumped storage hydropower energy storage system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10002759A1 (en) * | 1999-11-16 | 2001-07-26 | Andre Meuleman | Compact energy center has solar-powered pump used for raising liquid from lower storage space to higher storage space for driving turbine-generator combination |
DE202010010695U1 (en) * | 2010-07-27 | 2010-11-11 | Mizik, Josef, Dipl.-Ing. | Device for converting the wind and photovoltaic current into mains-capable and base-load electrical energy with constant voltage and frequency |
DE102010010701A1 (en) * | 2010-03-08 | 2011-09-08 | Eisenwerk Wittigsthal Gmbh | Energy storage system for use as pump storage power station, has fluid line, which connects upper and lower liquid storage unit, where upper and lower liquid storage units with liquid line and fluid line form closed system |
-
2012
- 2012-08-08 DE DE201210107258 patent/DE102012107258A1/en not_active Ceased
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10002759A1 (en) * | 1999-11-16 | 2001-07-26 | Andre Meuleman | Compact energy center has solar-powered pump used for raising liquid from lower storage space to higher storage space for driving turbine-generator combination |
DE102010010701A1 (en) * | 2010-03-08 | 2011-09-08 | Eisenwerk Wittigsthal Gmbh | Energy storage system for use as pump storage power station, has fluid line, which connects upper and lower liquid storage unit, where upper and lower liquid storage units with liquid line and fluid line form closed system |
DE202010010695U1 (en) * | 2010-07-27 | 2010-11-11 | Mizik, Josef, Dipl.-Ing. | Device for converting the wind and photovoltaic current into mains-capable and base-load electrical energy with constant voltage and frequency |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019003203A1 (en) * | 2019-05-07 | 2020-11-12 | Bernhard Piekorz | Pumped storage plant |
DE102019003203B4 (en) * | 2019-05-07 | 2021-01-21 | Bernhard Piekorz | Pumped storage plant |
US20220260046A1 (en) * | 2021-02-12 | 2022-08-18 | Liberty University | Hybrid renewable pumped storage hydropower energy storage system |
US11846263B2 (en) * | 2021-02-12 | 2023-12-19 | Hector Eduardo Medina | Hybrid renewable pumped storage hydropower energy storage system |
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