DE102014000811A1 - High speed pump-storage power plant for storage of electric power, installed at e.g. large lake, has open mining pit that is divided into upper and lower storage regions by vertical concrete dam according to hydraulic flow - Google Patents
High speed pump-storage power plant for storage of electric power, installed at e.g. large lake, has open mining pit that is divided into upper and lower storage regions by vertical concrete dam according to hydraulic flow Download PDFInfo
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- DE102014000811A1 DE102014000811A1 DE201410000811 DE102014000811A DE102014000811A1 DE 102014000811 A1 DE102014000811 A1 DE 102014000811A1 DE 201410000811 DE201410000811 DE 201410000811 DE 102014000811 A DE102014000811 A DE 102014000811A DE 102014000811 A1 DE102014000811 A1 DE 102014000811A1
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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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
- E02B9/02—Water-ways
- E02B9/022—Closures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
- E02B9/02—Water-ways
- E02B9/04—Free-flow canals or flumes; Intakes
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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
- 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
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
- E02B1/006—Arresting, diverting or chasing away fish in water-courses or water intake ducts, seas or lakes, e.g. fish barrages, deterrent devices ; Devices for cleaning fish barriers
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/02—Fixed barrages
- E02B7/04—Dams across valleys
- E02B7/08—Wall dams
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
- E02B9/08—Tide or wave power plants
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
-
- 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
Abstract
Description
Beschreibung/Hintergründe/Stand der TechnikDescription / Backgrounds / State of the art
Insbesondere in Deutschland kollidieren derzeit zwei prinzipiell gegenläufige Entwicklungen im Bereich der elektrischen Energieversorgung:
Zum einen war am 1.4.2000 das Gesetz für den Vorrang Erneuerbarer Energien (EEG) in Kraft getreten, mit dem die verstärkte Nutzung von Wind- und Solarenergie sowie Biomasse und Geothermie zur Erzeugung elektrischen Stromes gefördert wird, zum anderen wurden infolge der Katastrophe von Fukushima (Kernschmelze mehrerer Reaktoren) am 6.8.2011 mit dem 13. Gesetz zur Änderung des Atomgesetzes einige ältere Nuklearanlagen sofort abgeschaltet und die genehmigten Laufzeiten der restlichen Atomkraftwerke erheblich verkürzt.In Germany in particular, there are currently two contradictory developments in the field of electrical energy supply:
On the one hand, the Renewable Energy Act (EEG) came into force on 1.4.2000, which promotes the increased use of wind and solar energy and biomass and geothermal energy to generate electricity, and on the other hand, was caused by the Fukushima disaster (Meltdown of several reactors) on August 6, 2011 with the 13th Amendment to the Atomic Energy Act, immediately shut down some older nuclear facilities and considerably shortened the approved lifetimes of the remaining nuclear power plants.
Während nun mit dem EEG klimaschutzpolitische Ziele, wie die Verringerung von CO2-Emmissionen, verfolgt werden sollten, führte der Atomausstieg eher zu genau gegenteiliger Wirkung, denn zur Grundlast-Absicherung wird nun verstärkt Kohle, und zwar die besonders emmissionsintensive Braunkohle, herangezogen. Gleichzeitig führte die gesetzliche Förderung und der Netz-Einspeisevorrang von Strom aus Wind- und Solarenergie zu der absurden Situation, daß Deutschland zu wind- und sonnenintensiven Zeiten Strom zu negativen Preisen an Nachbarländer teuer verschenken muß, da Speichermöglichkeiten mit erforderlichem Netzausbau fehlen und aufgrund des dann gegebenen Stromüberangebotes die Handelspreise für elektrische Energie soweit sinken, daß emmissionsfreundlichere Gaskraftwerke zur Spitzenbedarfsabdeckung nicht mehr wirtschaftliche betrieben werden können und sogar die Kohlekraftwerke an die Grenze der Kostendeckung kommen.While the EEG should now pursue climate protection policy goals such as the reduction of CO2 emissions, the nuclear phase-out was more likely to have exactly the opposite effect, since coal is increasingly being used to cover base load, namely the particularly emission-intensive lignite. At the same time, the legal promotion and grid feed-in priority of electricity from wind and solar energy led to the absurd situation that Germany at wind and solar-intensive times must give away electricity at negative prices to neighboring countries, since there are no storage facilities with necessary network expansion and then Given electricity surplus supply, the retail prices for electrical energy are falling so far that emission-friendly gas-fired power plants can no longer be operated economically to cover peak demand and even coal-fired power plants reach the limit of cost recovery.
Die wenigen, in Deutschland vorhandenen Pumpspeicherkraftwerke können den Bedarf an wind- und sonnenreichen Tagen bei weitem nicht decken, Neubauten stoßen u. a. wegen des Landschaftsverbrauches auf massiven Widerstand der Umweltverbände, und zahlreiche technisch mögliche Alternativen wie Gas- und Drucklufterzeugung und -speicherung oder die Nutzung stillgelegter Erz- und Steinkohlebergwerke befinden sich entweder erst in Voruntersuchungen oder können rein mengenmäßig die benötigten Speicherleistungen im zweistelligen Gigawattbereich dauerhaft belastbar nicht erbringen.The few existing in Germany pumped storage power plants can not meet the demand for wind and sunshine days by far, new buildings encounter u. a. because of the landscape consumption on massive resistance of the environmental federations, and numerous technically possible alternatives such as gas and compressed air generation and storage or the use of disused ore and coal mines are either only in preliminary investigations or purely quantitative the required storage services in the double-digit gigawatt range permanently resilient not provide ,
Deshalb wurden in neueren Publikationen, u. a. mit
Da man weder den Bodensee, noch das Wasser in Nord- und Ostsee einfach ablassen kann, dürften die Baukosten derartiger, technisch durchaus möglicher Konstruktionen sehr hoch ausfallen, wenngleich auch hier Speichervolumina von einigen zehntausend cbm nur Speicherleistungen im allenfalls mittleren Megawattbereich erbringen.Since neither the Lake Constance, nor the water in the North and Baltic Sea can simply drain, the construction costs of such, technically quite possible constructions are likely to be very high, although even here storage volumes of tens of thousands cbm only provide storage services in the possibly middle megawatt range.
Aus alledem ergeben sich daher Notwendigkeit und Aufgabenstellung, nach Speichermöglichkeiten für die Größenordnung von Stromleistungen zu suchen, die von den drei vorläufig relevanten erneuerbaren Energien Wind, Sonne und Biomasse gemäß vorliegenden Planzahlen erbracht werden sollen.For all this, therefore, there is a need and a task to look for storage possibilities for the magnitude of power deliveries, which are to be provided by the three provisionally relevant renewable energies wind, sun and biomass according to available budget figures.
Gemäß diesseitiger Erfindung lässt sich die Aufgabenstellung dadurch relativ einfach und kurzfristig lösen, daß vorhandene tiefe Tagebaugruben, wie sie derzeit noch am Niederrhein zum Braunkohleabbau genutzt werden, zu Hochleistungs-Pumpspeicherkraftwerken umgewidmet werden, denn bis zu knapp 25 Prozent von deren, zur späteren Flutung vorgesehenen Volumina können als pendelnde Speichervolumina in Größenordnung von einer Mrd. cbm mit Speicherleistungen im zweistelligen GW-Bereich genutzt werden.According to this page invention, the task can be solved relatively easily and quickly, that existing deep pits, as they are currently still used on the Lower Rhine for lignite mining, are rededicated to high-performance pumped storage power plants, because up to nearly 25 percent of their, provided for later flooding Volumes can be used as oscillating storage volumes in the order of one billion cbm with storage services in the double-digit GW range.
Am Beispiel der untersuchten offenen Tagebaugrube Hambach, inmitten des Städtedreiecks Aachen-Düsseldorf-Köln gelegen, wird daher die Erfindung im folgenden anhand
Die in ihrer Sohle 400 m tiefe Grube ähnelt topologisch einer konventionellen länglichen Badewanne mit Hauptachse etwa in Nord-Südrichtung.
Nach geplantem Abbauende und nachfolgender Flutung hat die Grube ein Fassungsvermögen von 3,6 Mrd. cbm Süßwasser mit einer Seeoberfläche von 4.200 ha, wobei zur erstmaligen Füllung eine zeitweilige Pipeline aus dem Rhein in Erwägung gezogen wird, während die spätere Nachspeisung aus der Ruhr erfolgen soll.After planned demolition and subsequent flooding, the pit has a capacity of 3.6 billion cbm fresh water with a lake surface of 4,200 ha, with a temporary pipeline from the Rhine is considered for the first time filling, while the subsequent feeding is to be made from the Ruhr ,
Die für den Kohleabbau vorhandene Logistik und Infrastruktur nutzend wird die Grube nun vor Flutung durch eine so unter open-air-Bedingungen herstellbare, große Staumauer (
Die Staumauer (
(
Mit einem Gesamtwirkungsgrad von 80–85% arbeitet das Pumpspeicherkraftwerk nun in folgender Weise:With an overall efficiency of 80-85%, the pumped storage power plant now operates in the following way:
1. Turbinenbetrieb (Stromabgabe)1. turbine operation (current delivery)
Das Becken A ist bis zur Höhe Hmax gefüllt. Das Becken B ist nahezu leer. Das Ventil (
Das maximal zur Verfügung stehende Speichervolumen in Becken A, Vsp1 läuft damit in das Becken B unter Stromabgabe über und umfasst alsdann als Vsp2 dasselbe Volumen wie das Restvolumen Vo in Becken A. Damit wird deutlich, daß bei geometrisch und volumetrisch mittiger Anordnung der Staumauer in der Grube maximal knapp(wegen des Bauvolumens der Staumauer) 25% des gesamten Wasservolumens zu Speicherzwecken genutzt werden können, immerhin in diesem Fall knapp 0,9 Mrd. cbm.The maximum available storage volume in tank A, Vsp1 thus passes into the tank B under power delivery and then includes as Vsp2 the same volume as the remaining volume Vo in tank A. This makes it clear that in geometrically and volumetrisch centered arrangement of the dam in the Pit maximum scarce (due to the volume of construction of the dam) 25% of the total volume of water can be used for storage purposes, after all, in this case, almost 0.9 billion cbm.
Abhängig vom mittleren Böschungswinkel (ß) der Gruben-Seitenwände erreicht der minimal mögliche untere Pegelstand Hmin einen Wert deutlich unterhalb des oberen Pegelstandes Hmax, jedoch auch deutlich oberhalb der Hälfte des Wertes von Hmax.Depending on the mean slope angle (ß) of the pit side walls, the minimum possible lower water level Hmin reaches a value well below the upper water level Hmax, but also well above half the value of Hmax.
Je nach betragmäßig oder zeitlich abgeforderter Leistung kann das effektiv pendelnde Speichervolumen Vsp auch Werte kleiner den maximal möglichen annehmen, so daß jeder beliebige Pegelstand Hx in Becken A bzw Hy in Becken B denkbar ist.Depending on the amount or time demanded power, the effectively oscillating storage volume Vsp can also assume values smaller than the maximum possible, so that any desired level Hx in basin A or Hy in basin B is conceivable.
2. Pumpspeicherbetrieb2. Pump storage operation
Hier sind beide Becken A und B entweder gleich hoch bis Hmin1 bzw Hmin2 gefüllt oder Teilfüllungen der Becken mit Pegelhöhen Hx bzw Hy sind gegeben. Nach Ventilöffnung arbeiten dann die Pumpturbinen als reine Pumpen unter externer Stromzuführung einzeln oder im Mehrfachbetrieb und füllen das Becken A als oberes Speicherbecken mit der gewünschten Stromspeicherleistung bzw -arbeit wieder aufHere, both basins A and B are either equally high to Hmin1 or Hmin2 filled or partial fillings of pools with level heights Hx or Hy are given. After valve opening then the pump turbines work as a pure pump under external power supply individually or in multiple operation and fill the pool A as the upper reservoir with the desired power storage capacity or work again
Mit angenommenen Werten eines maximalen Speichervolumens von 0,9 Mrd. cbm und einer mittleren Fallhöhe von 300 m errechnet sich so für das Beispiel der Grube Hambach eine erreichbare Speicherkapazität von ca 550 GWh, was in der Praxis die Möglichkeit eröffnet, z. B. die Vollast-Leistung von eintausend Windenergiekonvertern der 5 MW-Klasse über eine Zeitdauer von mehr als einhundert Stunden zu speichern und nach Bedarf später wieder abzurufen.With assumed values of a maximum storage volume of 0.9 billion cbm and a mean drop height of 300 m, the example for the Hambach pit is an achievable storage capacity of approx. 550 GWh, which in practice opens up the possibility, for example. For example, to store and retrieve the full load power of one thousand 5 MW class wind energy converters over a period of more than one hundred hours.
Nun kann es je nach Grubengeologie und Grundwasserproblematik angrenzender Regionen sinnvoll sein, abwechselnd beide Becken A und B als jeweils „oberes” bzw „unteres” Speicherbecken zu nutzen, damit u. a. die Bodengrund- und seitenbelastung an beiden Becken im Mittel dauerhaft gleichmäßig, also symmetrisch, erfolgt.Depending on the pit geology and groundwater problematic of adjoining regions, it may be useful to use both basins A and B alternately as "upper" and "lower" storage basins, respectively. a. the bottom and side loading on both basins in the middle permanently uniform, ie symmetrical, takes place.
Ist dies nicht erforderlich, kann auch eine andere als eine hälftige Aufteilung der Becken A und B erfolgen bis hin zu relativ kleinen Volumenverhältnissen B/A, wobei dann die Pegelvariationen im oberen Becken A entsprechend kleiner würden.If this is not necessary, it may also be a different than a half division of the basins A and B done up to relatively small volume ratios B / A, then the level variations in the upper basin A would be correspondingly smaller.
Entscheidend scheint jedenfalls die erfindungsgemäß aufgezeigte Möglichkeit, die drei noch aktiven Tagebautiefgruben Hambach, Inden und Garzweiler mit Beendigung des Braunkohleabbaus unter Nutzung dann noch vorhandener Logistik und Infrastruktur und unter Berücksichtigung ohnehin vorhandener industrienaher verbrauchsstarker Anbindungen in Hochleistungs-Pumpspeicherkraftwerke mit Stromspeicherkapazitäten im hohen GWh-Bereich umzuwidmen, die es ansonsten und absehbar in Deutschland nicht gibt.In any case, the possibility according to the invention of converting the three still active open-pit mines Hambach, Inden and Garzweiler with the termination of lignite mining using still existing logistics and infrastructure and taking into account already existing high-consumption industrial connections in high-performance pumped storage power plants with power storage capacities in the high GWh range, seems decisive , which does not exist otherwise and foreseeable in Germany.
Im anderen Ländern und Regionen mit großen tiefen Binnenseen mit Steilufern oder Meeresküsten mit Steilufern und der Notwendigkeit zur Energiespeicherung bietet sich die Nutzung einer Variante der erfindungsgemäßen Vorschläge an. Hier könnte beispielhaft der Bereich A gemäß
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 102011115606 [0004] DE 102011115606 [0004]
- DE 102011118206 [0004] DE 102011118206 [0004]
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Application Number | Priority Date | Filing Date | Title |
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DE201410000811 DE102014000811A1 (en) | 2014-01-22 | 2014-01-22 | High speed pump-storage power plant for storage of electric power, installed at e.g. large lake, has open mining pit that is divided into upper and lower storage regions by vertical concrete dam according to hydraulic flow |
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DE201410000811 DE102014000811A1 (en) | 2014-01-22 | 2014-01-22 | High speed pump-storage power plant for storage of electric power, installed at e.g. large lake, has open mining pit that is divided into upper and lower storage regions by vertical concrete dam according to hydraulic flow |
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DE201410000811 Withdrawn DE102014000811A1 (en) | 2014-01-22 | 2014-01-22 | High speed pump-storage power plant for storage of electric power, installed at e.g. large lake, has open mining pit that is divided into upper and lower storage regions by vertical concrete dam according to hydraulic flow |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1022242B1 (en) * | 2014-10-07 | 2016-03-04 | Oudenhove Johan Van | DEVICE FOR STORING AND CONVERTING ENERGY |
CN109779820A (en) * | 2019-02-25 | 2019-05-21 | 中国矿业大学 | A kind of utilization system that discarding outdoor pit and utilize method |
WO2021004650A1 (en) * | 2019-07-10 | 2021-01-14 | Schmidt Boecking Horst | Method for provisionally using an at least partially constructed lower reservoir for an underwater pumped-storage power plant |
DE202022101855U1 (en) | 2022-04-06 | 2023-07-10 | Rolf-Josef Schwartz | Pumped storage power station and pumped storage hydroelectric power station |
DE102022203461A1 (en) | 2022-04-06 | 2023-10-12 | Rolf-Josef Schwartz | Pumped storage plant, process for setting up a pumped storage plant, process for using a pumped storage plant |
DE102022121139A1 (en) | 2022-08-22 | 2024-02-22 | LESO sustainable solutions GmbH | Hydroelectric power plant and method for operating a hydroelectric power plant |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011115606A1 (en) | 2011-09-27 | 2013-03-28 | Manfred Bremicker | Underwater pumped storage hydro power station for storing large amount of electricity, has hollow body whose wall is connected with water subsurface along peripheral edge that encloses base surface of hollow body in water-proof manner |
DE102011118206A1 (en) | 2011-11-11 | 2013-05-16 | Roentdek-Handels Gmbh | pumped storage power plant |
-
2014
- 2014-01-22 DE DE201410000811 patent/DE102014000811A1/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011115606A1 (en) | 2011-09-27 | 2013-03-28 | Manfred Bremicker | Underwater pumped storage hydro power station for storing large amount of electricity, has hollow body whose wall is connected with water subsurface along peripheral edge that encloses base surface of hollow body in water-proof manner |
DE102011118206A1 (en) | 2011-11-11 | 2013-05-16 | Roentdek-Handels Gmbh | pumped storage power plant |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1022242B1 (en) * | 2014-10-07 | 2016-03-04 | Oudenhove Johan Van | DEVICE FOR STORING AND CONVERTING ENERGY |
CN109779820A (en) * | 2019-02-25 | 2019-05-21 | 中国矿业大学 | A kind of utilization system that discarding outdoor pit and utilize method |
CN109779820B (en) * | 2019-02-25 | 2023-09-01 | 中国矿业大学 | Comprehensive utilization system and utilization method for abandoned open pit |
WO2021004650A1 (en) * | 2019-07-10 | 2021-01-14 | Schmidt Boecking Horst | Method for provisionally using an at least partially constructed lower reservoir for an underwater pumped-storage power plant |
DE202022101855U1 (en) | 2022-04-06 | 2023-07-10 | Rolf-Josef Schwartz | Pumped storage power station and pumped storage hydroelectric power station |
DE102022203461A1 (en) | 2022-04-06 | 2023-10-12 | Rolf-Josef Schwartz | Pumped storage plant, process for setting up a pumped storage plant, process for using a pumped storage plant |
DE102022121139A1 (en) | 2022-08-22 | 2024-02-22 | LESO sustainable solutions GmbH | Hydroelectric power plant and method for operating a hydroelectric power plant |
EP4328444A1 (en) * | 2022-08-22 | 2024-02-28 | LESO sustainable solutions GmbH | Hydropower system and method for operating a hydropower system |
DE102022121139B4 (en) | 2022-08-22 | 2024-02-29 | LESO sustainable solutions GmbH | Hydroelectric power plant and method for operating a hydroelectric power plant |
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