WO2021052888A1 - Procédé d'installation d'une éolienne offshore - Google Patents

Procédé d'installation d'une éolienne offshore Download PDF

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Publication number
WO2021052888A1
WO2021052888A1 PCT/EP2020/075543 EP2020075543W WO2021052888A1 WO 2021052888 A1 WO2021052888 A1 WO 2021052888A1 EP 2020075543 W EP2020075543 W EP 2020075543W WO 2021052888 A1 WO2021052888 A1 WO 2021052888A1
Authority
WO
WIPO (PCT)
Prior art keywords
offshore wind
wind energy
energy device
flywheel module
flywheel
Prior art date
Application number
PCT/EP2020/075543
Other languages
German (de)
English (en)
Inventor
Daniel Bartminn
Jörn Runge
Original Assignee
Rwe Renewables 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 Rwe Renewables Gmbh filed Critical Rwe Renewables Gmbh
Publication of WO2021052888A1 publication Critical patent/WO2021052888A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/10—Assembly of wind motors; Arrangements for erecting wind 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
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0296—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor to prevent, counteract or reduce noise emissions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/50—Maintenance or repair
    • 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
    • F05B2240/93—Mounting on supporting structures or systems on a structure floating on a liquid surface
    • 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
    • F05B2240/95—Mounting on supporting structures or systems offshore
    • 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
    • F05B2260/96—Preventing, counteracting or reducing vibration or noise
    • F05B2260/964—Preventing, counteracting or reducing vibration or noise by damping means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/727—Offshore wind turbines

Definitions

  • the application relates to a method for installing an offshore wind energy device.
  • the application relates to an offshore wind energy system, an offshore wind energy device, a liquid flywheel module and a use of a flywheel module.
  • a wind power plant is set up in particular to convert the kinetic wind energy into electrical energy.
  • wind farms are arranged or installed at locations with a high wind probability. Offshore locations in particular are usually characterized by relatively continuous wind conditions and high average wind speeds, so that so-called offshore wind farms are increasingly being built.
  • an offshore wind park has a large number of offshore wind energy devices, such as a large number of offshore wind turbines, measuring masts and / or at least one offshore substation, via which the offshore wind park electrically, for example, with an onshore substation or another Offshore substation or offshore converter station is connected.
  • An onshore substation in turn, can be connected to a public power grid.
  • energy cables are laid in the form of submarine cables.
  • a buoyant offshore wind energy device can have a buoyant tower and / or a buoyant foundation, wherein (in the present case) a tower can be at least partially identical to a foundation.
  • offshore wind energy devices such as offshore wind turbines or offshore substations
  • offshore wind energy devices are exposed to constant excitations of vibrations during installation by gusts of wind and / or waves.
  • higher movements of floating foundations or foundations of floating offshore wind energy devices pose a challenge when installing with conventional ships.
  • the application is therefore based on the object of providing a method which facilitates the installation of an offshore wind energy device, in particular a floatable offshore wind energy device.
  • this object is achieved by a method for installing an offshore wind energy device, in particular a floatable offshore wind energy device, according to claim 1.
  • the method comprises:
  • an offshore wind energy device to be installed with at least one flywheel module attached to the offshore wind energy device at least during the installation process, and controlling the at least one flywheel module in such a way that a certain position of the offshore wind energy device corresponds to at least one target position parameter during the installation of the offshore wind energy device is set.
  • At least one flywheel module is attached to the offshore wind energy device to be installed during an installation process and this is used to stabilize the position of the offshore wind energy device, the installation process is significantly facilitated.
  • Undesired fluctuations or movements of an offshore wind energy device to be installed for example caused by unfavorable weather conditions (e.g. high waves, strong currents, high wind speeds, etc.), can at least be reduced by controlling the at least one flywheel module.
  • a specific, essentially constant mass can be achieved by a rotating mass Can be adjusted and maintained.
  • a certain position of the offshore wind energy device can be set and / or kept stable in accordance with at least one target position parameter during the installation of the offshore wind energy device.
  • controlling a flywheel module means in particular controlling and / or regulating the at least one flywheel module.
  • the method is carried out at least during an installation process of an offshore wind energy device.
  • the offshore wind energy device can preferably be a buoyant offshore wind energy device and / or an offshore wind energy device which is largely stabilized by hydrostatic forces, but also a non-floatable offshore wind energy device.
  • a buoyant offshore wind energy device can in particular comprise a floating body or buoyancy body.
  • a float or buoyancy body is to be understood in particular as an object which, due to its buoyancy, is independently buoyant by displacement according to the Archimedean principle.
  • a buoyancy body can, for example, be at least partially hollow in its interior and / or filled with a light solid.
  • An offshore wind energy device (to be installed) is in particular an offshore wind turbine, a measuring mast and / or an offshore substation, but can also be just a component of such a device, such as a tower and / or a foundation, a nacelle, a rotor blade star , a single sheet, hammer, stake, crane, crane hook, traverse, attachments or the like.
  • an offshore wind energy system is provided, which is formed from at least one offshore wind energy device and at least one flywheel module attached to the offshore wind energy device at least during installation of the offshore wind energy device.
  • the at least one flywheel module is temporarily attached to the offshore wind energy device, at least during the installation or the installation process of the offshore wind energy device.
  • the installation of an offshore wind energy device comprises in particular the anchoring process of the offshore wind energy device at the specific installation position of the offshore wind energy device on or on the seabed or the fastening of a component such as a tower, a foundation, a gondola, a rotor blade star, a single blade or the like on another facility (for example, attaching a nacelle to an already installed tower).
  • the installation of an offshore wind energy device preferably also comprises the transport of the offshore wind energy device (for example from a port) to the particular installation position of the offshore wind energy device.
  • the installation process in particular consists only of the transport process and / or the anchoring process.
  • the position of the offshore wind energy device is stabilized using the at least one flywheel module.
  • the at least one flywheel module For example, two or more flywheel modules can be provided.
  • a flywheel module is a stabilization module which preferably has at least one mass that can be rotated about an axis of rotation.
  • the rotation, in particular the rotation speed, of this mass is controllable (ie controllable and / or regulatable) in order to set a specific or desired position in accordance with at least one position target parameter, and in particular to stabilize.
  • a flywheel module can have at least one rotatable flywheel.
  • the at least one flywheel module in particular the at least one drive set up to drive the at least one rotatable mass, is activated (ie controlled and / or regulated) in such a way that a certain position of the offshore wind energy device, corresponding to one or more ( predetermined) position target parameter, is set and in particular stabilized during the installation of the offshore wind energy device.
  • the actuation (control and / or regulation) of the at least one flywheel module can include:
  • At least one actual position parameter of the offshore wind energy device can be provided and the position of the offshore wind energy device can be regulated as a function of the recorded actual position parameter and the desired position parameter.
  • the at least one centrifugal mass module in particular the at least one drive, can be controlled as a function of a difference between the recorded position parameter or actual position parameter and the (predetermined) position target parameter.
  • a control module with at least one suitable controller can be provided.
  • the at least one position parameter can in particular be at least one position angle (also called Euler angle) of the offshore wind energy device.
  • the at least one position parameter can, for example, be a yaw angle (angle between the current orientation of the offshore wind energy device and the vertical axis (also called the z-axis)), a roll angle (angle between the current orientation of the offshore wind energy device and a longitudinal axis (also called the x-axis) called)) and / or a pitch or pitch angle (angle between the current orientation of the offshore wind energy device and a longitudinal axis (also called y-axis)).
  • a yaw angle angle between the current orientation of the offshore wind energy device and the vertical axis (also called the z-axis)
  • a roll angle angle between the current orientation of the offshore wind energy device and a longitudinal axis (also called the x-axis) called)
  • / or a pitch or pitch angle angle between the current orientation of the offshore wind energy device and a longitudinal axis (also called y-axis)).
  • one or more flywheel modules with one or more rotatable flywheels can be provided in order to set and essentially maintain or stabilize a certain position corresponding to one, preferably corresponding to several target position angle (s) (yaw angle, roll angle and / or pitch angle). Disturbance variables such as the surrounding wave field and / or wind gusts can be regulated.
  • the installation process can be further simplified.
  • the foundation or the foundation of an offshore wind energy device and / or the foundation for stabilizing the position can experience a corresponding acceleration control as a result.
  • control includes, in particular, a control of an actuator (e.g. (electric) motor) which is set up to set the at least one mass in rotation at a certain rotational speed, for example a flywheel, in accordance with a control command or control signal to rotate at a certain speed of rotation.
  • actuator e.g. (electric) motor
  • the at least one (controllable) actuator can in particular be included in the flywheel module.
  • control of the at least one flywheel module can include:
  • the wind speed, the wind direction, the flow speed, the flow direction, the wave height at the installation position (and / or the transport route) of the offshore wind energy device to be installed (or in the installation area of the wind farm to be installed) can be recorded and / or as meteorological parameters be predicted.
  • the regulation of disturbance variables, such as the surrounding wave field and / or wind gusts, can be improved even further.
  • the actuation (control and / or regulation) of the at least one flywheel module can include:
  • Provision of at least one movement parameter (e.g. deflection or acceleration or inclination) of the offshore wind energy device to be applied to a floating structure e.g. tower, nacelle, individual rotor blades, rotor blade hub composite structures, hammers, piles, cranes, crane hooks, trusses, attachments), which is recorded or predicted during installation etc., but also containers and / or personnel
  • a floating structure e.g. tower, nacelle, individual rotor blades, rotor blade hub composite structures, hammers, piles, cranes, crane hooks, trusses, attachments
  • at least one movement parameter (deflection, or acceleration or inclination) of the floating structure itself and / or controlling and / or regulating the at least one flywheel module, recorded or predicted during installation , additionally based on the at least one recorded or (for example by calculation) predicted movement parameter of the floating Structure and / or the position parameter and / or the detected or predicted movement parameter of the elements to be applied and the at
  • the application of the method according to the application according to claim 1 of at least one recorded and / or predicted meteorological parameter for the installation position area and / or transport route of the offshore wind energy device to be installed can be used.
  • the method can only actually be used if the at least one meteorological parameter is in an application area (e.g. the wave height is higher than a threshold wave height or the wind strength is higher than a threshold wind strength). Otherwise, in particular due to the favorable weather conditions, it is not necessary to use it.
  • the method can comprise:
  • the at least one flywheel module can preferably be temporarily installed on the offshore wind energy device to be installed during the installation period.
  • the at least one flywheel module can be fastened to the specific installation position before the offshore wind energy device is transported and, after it has been anchored to or on the seabed, can be uninstalled or dismantled.
  • the at least one flywheel module can preferably be mounted externally on or on the Foundation to be attached. This enables particularly simple assembly and / or disassembly.
  • the at least one flywheel module can also be attached within the offshore wind energy device, for example within the foundation and / or the tower. This can improve the efficiency of the flywheel module.
  • a flywheel module or such a stabilizer that is non-positively attached outside the offshore wind energy device, for example outside a tower and / or a foundation, in particular (circumference), can be removed again after the offshore wind energy device has been installed, for example the turbine tower will.
  • the flywheel module and the offshore wind energy device can have fastening elements that preferably allow a screw connection.
  • the fastening can take place by means of an adhesive connection or a welded connection.
  • the flywheel module can preferably be fastened to the offshore wind energy device during a maintenance process for the offshore wind energy device.
  • the flywheel module can (in addition to position stabilization) be set up to provide electrical energy during the maintenance process of the offshore wind energy device.
  • the rotational energy of a flywheel module can be converted back into electrical energy, which can be used in particular to supply at least one electrical consumer during the maintenance process of the offshore wind energy device.
  • the use of a flywheel as an energy store at least during a maintenance process is inventive in its own right. It goes without saying that in other variants a flywheel module described can also be installed during regular operation Offshore wind energy device can be used as an attitude stabilizer and / or as an energy storage device.
  • the offshore wind energy system includes at least one offshore wind energy device.
  • the offshore wind energy system comprises at least one flywheel module that is detachably fastened to the offshore wind energy device, at least during an installation of the offshore wind energy device.
  • the offshore wind energy device can be a previously described offshore wind energy device and / or the at least one flywheel module can be a previously described flywheel module.
  • the method described above can be used to regulate the position of the offshore wind energy device of the offshore wind energy system according to the application.
  • the offshore wind energy device can have an outer wall, for example an outer wall of a (floatable) foundation and / or a (floatable) tower.
  • the outer wall can have at least one first fastening element, which can correspond to at least one second fastening element of the flywheel module, in such a way that the flywheel module can be fastened at least positively to the foundation of the offshore wind energy device.
  • the at least two fastening elements can enable a screw connection or the like.
  • the offshore wind energy device can have at least one pick-up (for example as a first fastening element) in order to pick up a flywheel module or (gyro) stabilizer.
  • the shape of the transducer can preferably correspond to the shape of the flywheel module.
  • the transducer can be designed so that a placement tolerance of at least 0.15 m, preferably at least 0.5 m (and smaller than 2 m, in particular smaller than 1 m) is present. This can facilitate the temporary attachment of the at least one flywheel module.
  • the flywheel module can be formed from at least one first flywheel (e.g. a first flywheel) with a first axis of rotation and a second flywheel (e.g. a second flywheel) with a second axis of rotation, the first axis of rotation essentially Is oriented at right angles to the second axis of rotation and in particular the second axis of rotation through the center of the first flywheel (for example the first flywheel).
  • the flywheel module can be formed by a group of two flywheels at an angle of 90 ° to one another. This aspect is inventive in its own right.
  • the offshore wind energy device comprises at least one fluid flywheel module.
  • the liquid flywheel module comprises at least one container which can be filled with a liquid and is essentially cylindrical.
  • the liquid flywheel module comprises at least one liquid flow generator designed to generate a circular flow of the liquid filled in the container.
  • the liquid flywheel module is in particular a flywheel module in which the rotating mass is formed by a rotating liquid.
  • the flywheel module can in particular be integrated in a (floatable) foundation or a (floatable) foundation or a (lower) tower.
  • the essentially cylindrical container can be filled with a liquid, in particular water (for example sea water).
  • water for example sea water
  • the offshore wind energy device via a pump or the like have for filling the container.
  • the cylinder axis of the essentially circular cylindrical container forms the axis of rotation.
  • At least one liquid flow generator is provided. At least one liquid flow generator can preferably be attached to an inner wall of the container. In particular, at least two liquid flow generators can be arranged opposite one another on the circumferential (cylindrical) inner wall of the container.
  • a liquid flow generator can be a nozzle module. Alternatively or additionally, a propeller device or the like can be provided.
  • the at least one liquid flow generator can in particular be controllable (i.e. controllable and / or regulatable) in such a way that a (specific) circular flow, in particular at a specific rotational speed, can be generated in the container.
  • a gyroscopic stabilizer can be provided as the liquid flywheel module, in which a liquid (e.g. seawater) located in a largely cylindrical vessel or container is set in rotation, e.g. through one or more nozzles.
  • a method for foundation installation can be provided in which the foundation is stabilized in that the liquid in the container, which for example can be arranged in the pile to be installed, is set in rotation.
  • an offshore wind energy device can have two or more fluid flywheel modules.
  • the liquid flywheel module can comprise at least one electrical energy generator with at least one turbine device coupled to at least one generator.
  • the electrical energy generator can be set up to convert the kinetic energy of the liquid into electrical energy.
  • the fluid flywheel module can be used as a position stabilizer and as an energy store.
  • the turbine device can also be set up as a liquid flow generator, for example.
  • a liquid power generator can be operable in a power generation mode and in a recovery mode for recovering electrical energy.
  • the offshore wind energy device can comprise at least one control module, set up to control (ie control and / or regulate) the at least one liquid power generator, in such a way that a certain position of the offshore wind energy device corresponds to at least one position target parameter adjusted (and / or kept stable).
  • control ie control and / or regulate
  • the at least one liquid power generator by activating the at least one liquid flow generator, a circular flow can be brought about at a specific speed.
  • a position stabilization can take place in a simple manner.
  • the regulation can be carried out as described above.
  • liquid flywheel module for an offshore wind energy device (in particular described above), in particular a floatable offshore wind energy device (for stabilizing the position of the offshore wind energy device).
  • the liquid flywheel module comprises at least one container which can be filled with a liquid and is essentially cylindrical.
  • the liquid flywheel module comprises at least one liquid flow generator designed to generate a circular flow of the liquid filled in the container.
  • at least one flywheel module attached to an offshore wind energy device to be installed to stabilize the position of the offshore wind energy device in accordance with at least one desired position parameter during the installation of the offshore wind energy device.
  • a module such as a control module, can be formed at least partially from hardware and / or at least partially from software.
  • Fig. 1 is a schematic view of an embodiment of an offshore platform
  • Fig. 2 is a schematic view of a further embodiment of a
  • 3 shows a diagram of an exemplary embodiment of a method according to the present application
  • FIG. 4a shows a first schematic view of an exemplary embodiment of a
  • FIG. 4b shows a further schematic view of the exemplary embodiment according to FIG.
  • FIG. 1 shows a schematic view of an exemplary embodiment of an offshore wind energy system 100 according to the present application, in particular during an installation process.
  • the water surface is denoted by the reference numeral 120.
  • the illustrated offshore wind energy system 100 is formed in the present case by an offshore wind energy device 102 and a flywheel module 110.
  • the offshore wind energy device 102 is, for example, an offshore wind power plant 102 with a tower 104 which has an outer wall 106. It goes without saying that the following statements can be transferred to other offshore wind energy devices.
  • part of the tower also forms the foundation of the offshore wind turbine. It goes without saying that different types of towers and / or types of foundation can be used.
  • the flywheel module 110 is detachably attached to the offshore wind turbine 102. Detachable means in particular that the flywheel module 110 can be dismantled non-destructively (using a tool). In particular, a dismantled and, in particular, mobile flywheel module 110 can be reused, for example during an installation process for a further offshore wind energy device or during a maintenance process for an offshore wind energy device.
  • a receptacle 108 or a receptacle 108 is attached to the outer wall 106.
  • the sensor 108 serves in particular as a first fastening element 108 or forms a first fastening element 108.
  • the flywheel module 110 can be temporarily fastened to the sensor 108.
  • the flywheel module 110 has a second fastening element 112, which corresponds to the first fastening element 108.
  • the first fastening element 108 has, in particular, a receiving shape which corresponds to an outer shape of the second fastening element 112 (preferably with a certain tolerance).
  • the fastening elements 108, 112 in particular enable a non-positive connection to be established between the flywheel module 110 and the offshore wind power plant 102.
  • a screw connection can be established.
  • a detachable connection or a gyro stabilizer attachment can alternatively or additionally take the form of at least one slip joint.
  • the detachable fastening can be produced by a substantially planar (in particular smooth) plate and a hydrostatic connecting element, a suction or magnetic connection.
  • a flywheel module 110 with precisely one rotatable flywheel 114 is arranged. It goes without saying that two or more flywheel modules can be detachably attached to the offshore wind turbine 102.
  • the flywheel module 110 is a flywheel module 110 in which the rotatable flywheel 114 is formed by a flywheel 114.
  • the flywheel 114 can be rotated about an axis of rotation 116 (for example the x-axis or y-axis described above), for example by an actuator 134 or drive 134 both directions of rotation can take place).
  • an axis of rotation 116 for example the x-axis or y-axis described above
  • the at least one flywheel module (or its actuator) is controlled in such a way that a specific position of the offshore wind energy device 102 is set in accordance with at least one position target parameter during the installation of the offshore wind energy device 102. In other words, a specific or desired position of the offshore wind energy device 102 is stabilized and in particular essentially maintained during the installation process.
  • FIG. 2 shows a schematic view of a further exemplary embodiment of an offshore wind energy system 200 according to the present application. To avoid repetition, essentially only the differences from the previous exemplary embodiment are described below and otherwise reference is made to the previous explanations.
  • the offshore wind energy system 200 has an offshore wind energy device 202, to which a flywheel module 210 in the form of a flywheel module 210 is detachably attached externally.
  • the offshore wind energy device 202 is an offshore wind turbine 202, in particular a buoyant offshore wind turbine 202.
  • the buoyant offshore wind turbine 202 can have at least one floating body 224 which is arranged in the tower 204 or the foundation of the tower 204.
  • the buoyant offshore wind power plant 202 can be anchored to the seabed 232 at a specific installation position, for example by means of one or more anchor chains (not shown).
  • a flywheel module 210 with a first rotatable flywheel 214.1 and a second rotatable flywheel 214.2 is provided in the present exemplary embodiment.
  • the illustrated flywheel module 210 is formed in particular from the first flywheel 214.1 with a first axis of rotation 216.1 and the second flywheel 214.2 with a second axis of rotation 216.2, the first axis of rotation 216.1 being essentially at right angles to the second axis of rotation
  • the flywheel module 210 has an actuator 234.1, 234.2 or drive 234.1, 234.2 for each flywheel 214.1, 214.2, each of which can be controlled individually.
  • control module 234.2 can be controlled by a control module 226, for example by a corresponding control signal.
  • an attitude measurement module 228 (which can have at least one suitable attitude parameter sensor) can provide at least one attitude parameter (preferably (almost) continuously) of the offshore wind energy device 202 recorded (during installation) of the offshore wind energy device 202 Pitch angle and / or the roll angle can be provided as a recorded position parameter or actual position parameter.
  • the roll axis can be formed by an instantaneous wind direction or by the instantaneous transport or movement direction of an offshore wind energy device 202 being towed by a ship.
  • the control module 226 is set up to control the at least one flywheel module 210 (in particular the respective drives 234.1, 234.2) based on the at least one provided (actual) position parameter and the at least one target position parameter.
  • the regulation takes place in such a way that the actual position is (always) adjusted to the target position.
  • the posture of the offshore wind power device 202 can be stabilized during installation.
  • a further measuring module 230 (in the present case in the offshore wind energy device, but can also be formed by a measuring mast) can be provided, which is set up to provide at least one meteorological parameter recorded or predicted during installation.
  • a predicted parameter can be received from a service provider via a communication link.
  • the at least one flywheel module 210 is controlled, in particular additionally, based on the at least one meteorological parameter and the at least one target position parameter.
  • the modules 226 to 230 are presently arranged in the offshore wind energy device, at least the modules 226 and 228 (but also module 230) can advantageously also be integrated in the (mobile) flywheel module 210.
  • an offshore wind energy device anyway
  • already includes a corresponding module such as a position detection module, then this can be used advantageously.
  • one in the Flywheel module integrated control module can be communicatively coupled with the position detection module of the offshore wind energy device when mounting the flywheel module.
  • At least one further flywheel module can be provided or the flywheel module can have at least one further flywheel.
  • FIG. 3 shows a diagram of a method for installing an offshore wind energy device (e.g. offshore wind energy device 100 or 200) in accordance with the present application.
  • an offshore wind energy device e.g. offshore wind energy device 100 or 200
  • a buoyant offshore wind power plant is being installed.
  • the explanations can be transferred to other (for example non-buoyant) offshore wind energy devices.
  • first step 301 before the installation, that is to say in particular before the transport process and / or the anchoring process, it can be checked whether the method according to the application is to be used (or not).
  • the test can in particular be based on at least one provided meteorological parameter.
  • the at least one meteorological parameter e.g.
  • the wind speed, the wind direction, the flow speed, the flow direction, the wave height etc. can be a predicted and / or a measured parameter at the installation position of the offshore wind turbine to be installed and / or along the offshore transport route - be a wind turbine.
  • the test can in particular be based on the at least one (preferably a plurality of (location-dependent) parameter values are each for different parameters (e.g. the wind speed, the wind direction, the flow speed, the flow direction, the wave height, etc.) provided) provided parameters and at least one (corresponding) comparison parameter (or range).
  • An application area in which the method is used can be defined by the at least one comparison parameter.
  • a non-application area in which the method is not used can also be defined by the at least one comparison parameter.
  • the weather conditions for an installation process of an offshore wind power plant can be such that a stabilization of the position of the offshore wind power plant is not necessary or only a minor benefit (especially in comparison to the effort for mounting and dismounting a flywheel module ) Has.
  • step 302 the at least one flywheel module (for example module 110 and / or 210) can be non-positively and detachably attached to the offshore wind turbine.
  • At least one flywheel module can preferably be attached to a sensor provided for this purpose.
  • fastening elements described above can be used for fastening.
  • the offshore Wind turbine can be towed during installation by at least one ship to the installation position and anchored there.
  • the actual position of the offshore wind turbine can be recorded (almost) continuously (step 303).
  • the recorded actual position can in particular be mapped by one or more actual position parameters.
  • the at least one actual position parameter acquired, preferably by a previously described position acquisition module, is made available (almost) continuously in particular to a previously described control module.
  • At least one recorded or predicted meteorological parameter can be made available to the control module (almost) continuously in this step.
  • the control module carries out a control (in particular in accordance with at least one implemented control algorithm) based on the at least one provided actual position parameter, optionally based on the at least one provided meteorological parameter and based on at least one desired position parameter, which can in particular be specified.
  • the at least one desired position parameter can be changed during installation, in particular in order to set different desired positions.
  • a first target position can be specified during the transport process and a second target position, which can differ from the first target position in at least one target position parameter (value), during the anchoring process.
  • a third target position can be specified, which differs from the first target position and / or the second target position in at least one target position parameter (value) can distinguish and which in particular represents an optimal target position during operation.
  • the control module generates a control signal, in particular based on the respective difference between the at least one actual position parameter and the at least one desired position parameter, in order to at least reduce the difference.
  • the control signal is transmitted in particular to the at least one drive in order to bring about a specific rotation of the at least one flywheel (for example flywheel 114, 214.1, 214.2).
  • a specific target position can be set and, in particular, essentially maintained during installation.
  • the at least one flywheel module can be controlled based on the at least one meteorological parameter and the at least one target position parameter.
  • steps 304 and 305 can be performed essentially in parallel.
  • the at least one flywheel module can be dismantled again in step 305.
  • the dismantled (mobile) flywheel module can be reused and, for example in step 302, can be fastened again to a further offshore wind energy device to be installed.
  • the (mobile) flywheel module can also be attached to an offshore wind energy device at least during a maintenance process and, in particular, used as an energy store during the maintenance process.
  • FIGS. 4a and 4b show two schematic views of an exemplary embodiment of an offshore wind energy device 402 according to FIG present application with an embodiment of a fluid flywheel module 410 according to the present application.
  • the offshore wind energy device 402 can preferably be installed according to the method according to FIG. 3, with the difference that steps 302 and 305 can be omitted.
  • the liquid flywheel module 410 can preferably be permanently or permanently integrated in the offshore wind energy device 402.
  • mobile solutions that can be detachably attached are also conceivable.
  • the at least one fluid flywheel module 410 is integrated in the tower 404 (in particular in the lower region of the tower 404, which can also be referred to as the foundation) of an exemplary offshore wind power plant 402.
  • the liquid flywheel module 410 has an essentially cylindrical (liquid-tight) container 442 with a circumferential side wall 440.
  • a liquid 446 can be filled into the container 442 by means of a pump (not shown) or the like, for example. Seawater can preferably be used as the liquid.
  • the fluid 446 (filled in during normal operation), which is rotatable about the axis of rotation 416, is used as the rotatable mass.
  • the axis of rotation 416 is identical to the cylinder axis in the present case.
  • the liquid flywheel module 410 has at least one (controllable) liquid flow generator 444 (e.g. a nozzle, a propeller, etc.).
  • the at least one liquid flow generator 444 can in particular be controlled by a (previously described) control module 426 which, for example, can perform position control in accordance with steps 303 and 304 (at least during installation, but also during normal operation).
  • the at least one liquid flow generator 444 generates a circular flow 448.
  • the fluid flywheel module 410 can have at least one electrical energy generator with at least one turbine device 450 coupled to at least one generator (not shown).
  • the electrical energy generator can be configured to convert the kinetic energy of the liquid 446 into electrical energy.
  • the fluid flywheel module 410 can preferably be used as an energy store and as a position stabilizer.
  • a separate turbine device 450 can also be dispensed with if, for example, a liquid flow generator 444 can be operated in a power generation mode and in a recovery mode for recovering electrical energy.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)

Abstract

L'invention concerne un procédé d'installation d'une éolienne offshore (102, 202, 402), plus particulièrement une éolienne offshore flottante (102, 202, 402), comprenant les étapes consistant à : fournir une éolienne offshore (102, 202, 402) à installer avec au moins un module de volant d'inertie (110, 210.1, 210.2, 410) monté sur celle-ci (102, 202, 402) pendant l'installation ; et commander l'un ou les modules de volant d'inertie (110, 210.1, 210.2, 410) de telle sorte qu'un emplacement spécifié de l'éolienne offshore (102, 202, 402) correspondant à au moins un paramètre de position cible est adopté pendant l'installation de l'éolienne offshore (102, 202, 402).
PCT/EP2020/075543 2019-09-17 2020-09-11 Procédé d'installation d'une éolienne offshore WO2021052888A1 (fr)

Applications Claiming Priority (2)

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DE102019124977.5 2019-09-17
DE102019124977.5A DE102019124977A1 (de) 2019-09-17 2019-09-17 Verfahren zum Installieren einer Offshore-Windenergievorrichtung

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WO2021052888A1 true WO2021052888A1 (fr) 2021-03-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113653603A (zh) * 2021-09-06 2021-11-16 中国华能集团清洁能源技术研究院有限公司 双风轮自动偏航发电系统及其偏航控制方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2220416A1 (en) * 1973-03-05 1974-10-04 Alsthom Liquid movement prevention for marine tankers - uses pumps to swirl contents of tanks around within tanks
US20070272142A1 (en) * 2004-03-25 2007-11-29 Nedwed Timothy J Hydrogyro ship stabilizer and method for stabilizing a vessel
WO2010120186A1 (fr) * 2009-04-16 2010-10-21 Universitetet I Stavanger Éolienne flottante et procédé d'installation, d'intervention ou de déclassement
JP2012201219A (ja) * 2011-03-25 2012-10-22 Toda Constr Co Ltd 洋上風力発電設備の施工方法
US20140017083A1 (en) * 2012-07-10 2014-01-16 Alstom Renovables Espana, S.L. Wind turbine stabilization
EP3643595A1 (fr) * 2018-10-23 2020-04-29 Siemens Gamesa Renewable Energy A/S Gyroscope de stabilisation de mouvements de turbine éolienne

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2220416A1 (en) * 1973-03-05 1974-10-04 Alsthom Liquid movement prevention for marine tankers - uses pumps to swirl contents of tanks around within tanks
US20070272142A1 (en) * 2004-03-25 2007-11-29 Nedwed Timothy J Hydrogyro ship stabilizer and method for stabilizing a vessel
WO2010120186A1 (fr) * 2009-04-16 2010-10-21 Universitetet I Stavanger Éolienne flottante et procédé d'installation, d'intervention ou de déclassement
JP2012201219A (ja) * 2011-03-25 2012-10-22 Toda Constr Co Ltd 洋上風力発電設備の施工方法
US20140017083A1 (en) * 2012-07-10 2014-01-16 Alstom Renovables Espana, S.L. Wind turbine stabilization
EP3643595A1 (fr) * 2018-10-23 2020-04-29 Siemens Gamesa Renewable Energy A/S Gyroscope de stabilisation de mouvements de turbine éolienne

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113653603A (zh) * 2021-09-06 2021-11-16 中国华能集团清洁能源技术研究院有限公司 双风轮自动偏航发电系统及其偏航控制方法

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