[go: up one dir, main page]

WO2010003599A2 - Dispositif et procédé pour l'entretien d'une centrale électrique fonctionnant avec le courant océanique - Google Patents

Dispositif et procédé pour l'entretien d'une centrale électrique fonctionnant avec le courant océanique Download PDF

Info

Publication number
WO2010003599A2
WO2010003599A2 PCT/EP2009/004843 EP2009004843W WO2010003599A2 WO 2010003599 A2 WO2010003599 A2 WO 2010003599A2 EP 2009004843 W EP2009004843 W EP 2009004843W WO 2010003599 A2 WO2010003599 A2 WO 2010003599A2
Authority
WO
WIPO (PCT)
Prior art keywords
supply unit
current power
power plant
ocean current
turbine generator
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.)
Ceased
Application number
PCT/EP2009/004843
Other languages
German (de)
English (en)
Other versions
WO2010003599A3 (fr
Inventor
Matthias Grassow
Michael Hölle
Bernd Joos
Michael Engelhardt
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.)
Voith Patent GmbH
Original Assignee
Voith Patent 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 Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of WO2010003599A2 publication Critical patent/WO2010003599A2/fr
Anticipated expiration legal-status Critical
Publication of WO2010003599A3 publication Critical patent/WO2010003599A3/fr
Ceased legal-status Critical Current

Links

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
    • F03B13/10—Submerged units incorporating electric generators or motors
    • 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
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/26—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
    • F03B13/264—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy using the horizontal flow of water resulting from tide movement
    • 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
    • F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
    • F03B17/061—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially in flow direction
    • 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
    • F05B2230/00—Manufacture
    • F05B2230/80—Repairing, retrofitting or upgrading methods
    • 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
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/97—Mounting on supporting structures or systems on a submerged structure
    • 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
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
    • 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
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the invention relates to a method and a device for the maintenance of a sea current power plant, in particular a tidal power plant with a diving, in the ambient flow freestanding turbine generator unit.
  • Ocean current power plants that are used without dam structures free in a driving flow, in particular a tidal current, are known.
  • a problem of these plants is the execution of maintenance and service work.
  • For ocean current power plants due to the corrosion by the salt water and due to the abrasive effect of transported with the flow of water sediment load is a constant burden on the system.
  • there is the fouling problem since such plants are populated by maritime organisms after a short time. Further, a
  • Water flow velocities are present, which allow safe recovery and reinstallation of the plant.
  • a known measure to simplify a plant service is the outgoing from the ocean current power electrical
  • BESTATIGUNGSKOPIE anchored turbine generator unit describes which discloses a releasable electrical coupling of the electric power cable in the region of the anchor point.
  • the turbine-generator unit can be brought aboard a ship and removed for repair purposes by a separation from the ocean cable from the installation site.
  • To connect the electric power cable from the ocean current power plant either the ocean cable must be raised or an oceanworthy underwater plug must be used, which in most cases will be manually coupled by a service diver. This is costly and time consuming, in addition to the risk to the diver of underwater work at great depths.
  • the invention has for its object to provide an apparatus and a method that simplifies the service and installation of an underwater power plant. Regular plant inspection and regular maintenance should be possible. Furthermore, to carry out the maintenance work no specially designed salvage ship should be necessary and instead use a small-scale watercraft use.
  • the inventors have recognized that part of the pneumatic and / or hydraulic components necessary for plant operation can be accommodated in a separately liftable supply unit. These so summarized and can be brought by means of the supply unit regardless of the other parts of the system to the water surface components are easy to maintain.
  • those pneumatic and / or hydraulic components of the system are preferably accommodated in the supply unit, which represent a certain risk of failure and are therefore subject to regular maintenance.
  • Particularly preferred is an embodiment for the only safety-relevant or for an emergency operation necessary pneumatic and / or hydraulic components are permanently installed in the turbine generator unit and all other components are included in the supply unit.
  • electrical components are also integrated into the supply unit and can thus be regularly maintained.
  • Both the electric power cable and the ocean cable end accordingly in the supply unit and can be interconnected depending on the type of encapsulation of the supply unit.
  • Seawater-suitable and wet-plug connectors are particularly advantageous, even in the event that the supply unit itself is encapsulated watertight.
  • the pneumatic components that are considered for inclusion in the supply unit are a compressed air reservoir and / or a pneumatic pressure adjustment and / or a pneumatic valve assembly and / or a pneumatic pressure control.
  • the supply unit includes filters and cleaning systems for the hydraulic medium.
  • the ambient water inlet is advantageously integrated into the supply unit and, in addition, a cyclone filter is received for cleaning ambient water.
  • pumps, working fluid accumulators, pressure accumulators, pressure regulators and valve arrangements for the hydraulics can be placed in the supply unit.
  • the supply unit is connected by means of at least one supply line with the parts remaining at the installation service parts of the turbine generator unit.
  • These remaining on-site components of the underwater power plant are in particular the water turbine, the mechanical Components of the powertrain and the components of the electric generator, as far as they do not affect the control and power electronics. Accordingly, according to the invention all large and heavy components of the ocean current power plant remain in the installed state, while the components used in standard operation for measurement, control and regulation tasks and media management, as far as they are not emergency systems, can be raised separately.
  • the supply unit is in
  • Supply line must have a sufficient length to constantly maintain the connection between the supply unit and the turbine generator unit of the ocean current power plant, should be provided for a arranged in the region of the ocean current power plant during normal operation supply unit a cable management system. Such makes it possible to safely keep the supply line from the circle of the water turbine.
  • One conceivable design is a cable winder or an am Seabed filed rigid guide element, which spaces the supply line from the turbine-generator unit. Corresponding measures are to be taken if in addition the ocean cable leads into the supply unit.
  • a maintenance of the supply unit to a separation of the connecting cable to the turbine generator unit or a decoupling of plugs, which are assigned to the connecting cable made. If wet couplers and guide systems are used for automatic coupling, reinstallation may be performed without the use of service divers when returning the supply unit after the installation service has been performed.
  • the supply unit is arranged at a distance from the turbine generator unit. This spatial separation simplifies the problem of developing the
  • Supply line into the moving parts of the ocean current power plant is guided in the normal operating state via the seabed to a remote supply unit.
  • a simple crane system of a watercraft used for the service such that at a sufficient length of the supply line this even at a shallow angle to the ocean current power plant runs when the supply unit is on board the service ship.
  • the backup of supply lines is simplified and it can be dispensed with a separate cable management.
  • the housing of the supply unit is preferably designed so that it forms at least one mechanical protection, for example against stone chipping, for the components accommodated therein.
  • Preferred is a variant of a protective housing, which leads to a watertight sealed interior of the supply unit.
  • the supply unit is provided with devices which facilitate lifting. On the one hand, this relates to automatic coupling devices for attaching a lifting device of a crane system.
  • the supply unit is designed as a self-propelled system that can be triggered by remote control. It is also conceivable that only a rope or chain system used for salvage, triggered by a radio signal or an acoustic signal, be led to the water surface.
  • one end of a cable connected to the supply unit or a chain can be provided with a buoy whose ballasting can be triggered remotely.
  • FIG. 1 schematically shows in simplified form a sea current power plant with a supply unit according to the invention in the raised state.
  • FIG. 2 shows the supply unit from FIG. 2 at the installation site on the riverbed.
  • FIG. 3 shows a design alternative for which the supply unit is accommodated in the turbine generator unit of the ocean current power plant.
  • FIG. 4 shows a supply unit from FIG. 3 which has been guided to the water surface.
  • FIG. 5 shows, for one embodiment of the invention, the division of pneumatic components onto a supply unit and the parts of the turbine generator unit remaining at the installation location.
  • FIG. 6 shows, for one embodiment of the invention, the division of hydraulic components onto a supply unit and the parts of the turbine generator unit remaining at the installation location.
  • FIG. 1 shows a schematic simplified perspective view of the basic components of a sea current power plant 2 according to the invention.
  • This comprises a turbine generator unit 3 with a water turbine 4 and a machine nacelle 5, which is mounted on a support structure 8.
  • the support structure 8 is fundamental and supports the turbine generator unit 3 against the water bottom 31 from.
  • An alternative embodiment with a floating support structure 8 is conceivable.
  • a part of the system components used for the operation of the turbine generator unit 3 is accommodated in a separately liftable supply unit 1.
  • this is spatially spaced in the operating position to the other parts of the
  • Turbine generator unit 3 deposited at the bottom of the river and connected to these via a supply line 6.
  • the supply line is guided from the machine nacelle 5 to the body of water 31 by means of a pivotable arm 30, which is articulated on the support structure 8.
  • a storage of the supply line 6 takes place on the side facing away from the water turbine 4 side of the ocean current power plant 2.
  • an azimuth rotator for the turbine generator unit 3 (such is not shown in detail in the figures) are more devices for safe Leadership of the supply line 6 conceivable that both a twisting of the
  • the length of the supply line 6 is selected so that the supply unit 1 can be lifted separately, without the parts of the turbine generator unit 3 remaining at the installation site having to be raised synchronously. This is outlined in FIG.
  • the supply line is preferably so long enough that it does not get into the circle of the water turbine 3.
  • the storage location of the supply unit is selected on the leeward side for the ocean current power plant for this purpose. In the event that the ocean current power plant uses a flow with alternating direction of flow for energy production, for a preferred embodiment of the maintenance method according to the invention the
  • Supply unit 1 of a watercraft 26 is only raised when a winding of the supply line 6 in the rotating parts of the turbine generator unit 3 can be safely excluded.
  • the supply unit 1 is raised to the water surface. It is also possible to provide the crane system 27 on board the watercraft 26 used for salvage with a coupling device 29, which allows automatic docking to the supply unit 1 at the installation site. Furthermore, the storage of the supply unit 1 takes place in a predetermined relative position to the turbine generator unit 3 by means of a suitable foundation. This can be a gravity foundation or pile foundation. Alternatively, an uncontrolled carry over by the flow of water is prevented by means of an anchor.
  • FIGs 3 and 4 a design alternative of the invention is shown.
  • the supply unit 1 is received in the turbine generator unit 3 during operation of the flow power plant 2.
  • the supply unit 1 is led to the water surface.
  • a remotely controllable buoyancy mechanism 9 is assigned to the supply unit 1. If this is triggered, a supply unit 1 decoupled from the rest of the turbine generator unit 3 can be led to or in the vicinity of the water level. From there, a simple reception of the supply unit 1 on board a watercraft 26 is possible.
  • FIG. 4 shows that, even in the event of decoupling of the supply unit 1 from the turbine generator unit 3, a connection between these two system components is still provided via the supply line 6. This must have a suitable length for driving on the water level. Furthermore, a device in the turbine generator unit 3 for handling the supply line 6 is preferably provided. In the simplest case, this is a system that the supply unit 6 catches up with the installation of the supply unit 1.
  • the supply unit 1 or an installation system provided for this purpose can be equipped with a guide cable structure in order to secure the installation of the supply unit 1 Supply to a receiving opening in the turbine-generator unit 3 to accomplish.
  • the supply unit 1 comprises at least part of the pneumatic and / or hydraulic components used for the operation of the turbine generator unit 3.
  • electrical components are additionally accommodated in the supply unit 1. This includes a not shown in detail coupling device for connecting the outgoing from the ocean current power plant 2 electric power cable to an ocean cable 7 a.
  • Further components suitable for the encapsulation in the supply unit 1 are control and regulating devices, power electronic components and frequency converters as well as components of a DC intermediate circuit or electrical energy storage.
  • a dashed line 10 is shown in FIG.
  • a compressed air reservoir 12 for example in the form of compressed gas cylinders.
  • This is in pneumatic communication with a pneumatic shut-off valve 13 and a pneumatic valve 14.1, followed by a pneumatic pressure-holding valve 15.1.
  • These pneumatic components listed above are connected via the supply line 6.1 with the pneumatic components remaining at the installation site.
  • These are either safety-relevant and for an emergency operation indispensable pneumatic components or it is such components that are to be arranged in the immediate structural proximity of the mechanical structures of the turbine generator unit 3.
  • a reserve reservoir 16 a pneumatic pressure-retaining valve 15. 2 remain stationary and
  • FIG. 6 shows the distribution for an exemplary embodiment in the case of hydraulic components. Again shown is a dividing line 10 between those components which are assigned to the supply unit 1 and those components which remain stationary at the installation location of the turbine generator unit 3. Furthermore, it is assumed for the exemplary embodiment illustrated by a water-based hydraulics, the treated ambient water and used as a lubricant for the storage of
  • the cooling circuit 24 can be used for cooling the electric generator or the bearing components.
  • a pre-filter 18 is added, which adjoins an ambient water inlet, not shown in detail.
  • a feed pump 19.2 is arranged, which feeds the prefiltered water to a cyclone filter 20, which loads a working fluid accumulator 21. From the working fluid accumulator 21 scoop the feed pumps 19.2 and 19.3, which are provided for the supply of lubricant to the bearings.
  • Another feed pump 19.4 passes treated water into the refrigeration cycle 24.
  • a hydraulic pressure holding valve 23.1 followed by the supply line 6.2, which leads from the supply unit 1, starting to the stationary remaining components of the turbine generator unit 3.
  • the other camps are supplied.
  • a hydraulic pressure-maintaining valve 23.2 is used, followed by the supply line 6.3 up to the components of the second hydraulic branch remaining at the installation location.
  • the hydraulic branch for the cooling circuit 24, which itself remains at the installation site, is supplied via the supply line 6.4 by the components integrated in the supply unit 1, namely a feed pump 19.4, a volume flow measuring device 22 and a hydraulic throttle valve 25.
  • measuring instruments used in particular for plant development can be included in the supply unit 1 for testing a sea stream plant serving as a prototype, whereby a simple conversion and reconfiguration of both the plant components and the components provided for the test and monitoring is possible due to the separate lifting capability of the supply unit is.

Landscapes

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

Abstract

L'invention concerne une centrale électrique fonctionnant avec le courant océanique qui comprend une unité génératrice à turbines submersible, caractérisée en ce qu'au moins une partie des éléments pneumatiques et/ou hydrauliques utilisés pour le fonctionnement de cette unité est aménagée dans une unité de distribution qui peut faire l'objet d'un levage séparé.
PCT/EP2009/004843 2008-07-11 2009-07-06 Dispositif et procédé pour l'entretien d'une centrale électrique fonctionnant avec le courant océanique Ceased WO2010003599A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008032626A DE102008032626A1 (de) 2008-07-11 2008-07-11 Vorrichtung und Verfahren zur Wartung eines Meeresströmungskraftwerks
DE102008032626.7 2008-07-11

Publications (2)

Publication Number Publication Date
WO2010003599A2 true WO2010003599A2 (fr) 2010-01-14
WO2010003599A3 WO2010003599A3 (fr) 2011-01-20

Family

ID=41412759

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/004843 Ceased WO2010003599A2 (fr) 2008-07-11 2009-07-06 Dispositif et procédé pour l'entretien d'une centrale électrique fonctionnant avec le courant océanique

Country Status (2)

Country Link
DE (1) DE102008032626A1 (fr)
WO (1) WO2010003599A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201021117D0 (en) * 2010-12-13 2011-01-26 Todman Michael T Marine structure anchor
GB2527817B (en) * 2014-07-02 2016-06-22 Energy Tech Inst Llp Tidal energy converter system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1964821A1 (de) * 1969-12-16 1971-06-24 Beushausen Joachim Dipl Ing Stromerzeuger fuer Ozeanographie und Meerestechnik
HU208362B (en) * 1989-11-15 1993-09-28 Tibor Kenderi Apparatus for utilizing the flowing energy of water motions
GB9111013D0 (en) 1991-05-22 1991-07-17 I T Power Limited Floating water current turbine system
AU2002235811A1 (en) * 2001-12-27 2003-07-15 Norman Perner Underwater power station
GB0606434D0 (en) * 2006-03-31 2006-05-10 Hydreau Ltd Waterwheel

Also Published As

Publication number Publication date
WO2010003599A3 (fr) 2011-01-20
DE102008032626A1 (de) 2010-01-14

Similar Documents

Publication Publication Date Title
EP3516212B1 (fr) Bouée d'amarrage pour éolienne flottante
EP2438294B1 (fr) Procédé et dispositif d'installation d'une centrale marémotrice
DE102012013618B3 (de) Offshore-Energieerzeugungsanlage und Montageverfahren
DE102015203748B4 (de) Elektrohydraulischer Kompaktantrieb für den Einsatz unter Wasser sowie Satz von mindestens zwei elektrohydraulischen Kompaktantrieben
EP3683438B1 (fr) Centrale d'accumulation par pompage dans un plan d'eau et procédé de fonctionnement
EP2321171A2 (fr) Dispositif pour le transport et l'installation d'un système d'éolienne offshore comprenant au moins une embase et procédé pour le transport et l'installation d'une telle embase munie d'un mât
DE102012110662A1 (de) Pumpspeicher-Wasserkraftwerk und Energieerzeugungs- und Speichersystem mit einem solchen Kraftwerk
WO2010003599A2 (fr) Dispositif et procédé pour l'entretien d'une centrale électrique fonctionnant avec le courant océanique
DE102014117018B4 (de) Auftriebsenergiespeicher, insbesondere zur Speicherung von erneuerbarer Energie, Auftriebskörper, sowie Verfahren zur Speicherung von Energie
DE102008020965A1 (de) Vorrichtung und Verfahren für die Montage und den Service von Unterwasserkraftwerken
DE102015121769A1 (de) Roboter zur Inspektion und/oder Reinigung für von Wasser umgebene Pfahlgründungen
DE102014211040B3 (de) Unterwasser-Strömungskraftwerk
DE102013019229B4 (de) Gezeitengenerator
EP2981707B1 (fr) Robot pour éolienne comprenant un système d'entraînement
EP4278081B1 (fr) Dispositif de stockage d'énergie hydromécanique et de conversion d'énergie, et procédé de fonctionnement
EP3081701B1 (fr) Procede et dispositif destines a l'isolation acoustique
DE102014224466B3 (de) Unterwasser-Strömungskraftwerk
DE102011101115A1 (de) Strömungskraftwerk zur Erzeugung elektrischer Energie aus Strömungsenergie
DE19525927B4 (de) Vorrichtung zur Elektroenergieerzeugung mittels Unterwasserturbinen
DE102005055585A1 (de) Offshore-Versorgungssystem
DE102012013616B3 (de) Stützstruktur für eine Offshore-Energieerzeugungsanlage
EP3255211B1 (fr) Structure de pont élévateur
DE102022123700A1 (de) Modulares System und Fischaufstiegsanlage
EP4384700A1 (fr) Dispositif de génération d'énergie électrique de suspension marine
DE202015009030U1 (de) Vorrichtung zur Energiespeicherung

Legal Events

Date Code Title Description
NENP Non-entry into the national phase

Ref country code: DE

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09776961

Country of ref document: EP

Kind code of ref document: A2

122 Ep: pct application non-entry in european phase

Ref document number: 09776961

Country of ref document: EP

Kind code of ref document: A2