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
  • F03D5/00—Other 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
• • 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
  • F03D15/00—Transmission of mechanical power
• • 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
  • F03D15/00—Transmission of mechanical power
  • F03D15/10—Transmission of mechanical power using gearing not limited to rotary motion, e.g. with oscillating or reciprocating members
• • 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
  • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
  • F03D9/20—Wind motors characterised by the driven apparatus
  • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
• • 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
  • F05B2240/91—Mounting on supporting structures or systems on a stationary structure
  • F05B2240/917—Mounting on supporting structures or systems on a stationary structure attached to cables
• • 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
  • F05B2240/92—Mounting on supporting structures or systems on an airbourne structure
  • F05B2240/921—Mounting on supporting structures or systems on an airbourne structure kept aloft due to aerodynamic effects
• • 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
  • F05B2260/40—Transmission of power
  • F05B2260/402—Transmission of power through friction drives
  • F05B2260/4021—Transmission of power through friction drives through belt drives
• • 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
  • F05B2260/40—Transmission of power
  • F05B2260/403—Transmission of power through the shape of the drive components
  • F05B2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
  • F05B2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclic, planetary or differential type
• • 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
• • 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
  • Y02E10/728—Onshore wind turbines

Definitions

• the invention relates to a flying wind turbine for generating electrical energy by means of a tethered aircraft, in particular a kite or a kite-like construction, with at least one main rope and a control cable leading from the ground to the aircraft, the cables operate in YoYo mode and mechanically generated power from Drive train at least one main rope to at least one
• this power unit with the mechanical power of the respective actuator by means of a summation, preferably one as
• Wind energy plants which have a rotor on a floor-solid structure, are carried out with current status not greater than 200 m total height for both technical and economic reasons.
• the cost of the tower structure form a significant part of the total cost and accounts for flying wind turbines.
• flying wind turbines it is possible for flying wind turbines to lower relative costs to interpret the system to higher rated wind availability than in wind turbines with bottom strength, resulting in a further cost advantage.
• Speed range is with speed-spread special drives or through
• All the main and control cables of the aircraft shall perform the YoYo operation at the same speed, apart from the relative control movements.
• the required power for the common skipping and retrieving of all ropes is high in each individual rope drive, the required accuracy and dynamics for this relatively low.
• Actuating motion is the required power relatively low, while the required accuracy and dynamics is relatively high. It is therefore problematic if the drives of the control cables in addition to the adjusting movement should also cause their omission and retrieval, since these drives then have to deliver relatively high performance over a large speed range with high accuracy and dynamics. This leads to high costs and in the case of problem solving by oversizing also to high inertia in the respective drive trains.
• Actuator can be performed while common outlet / catching movements of the control cables are taken over by another drive. In this case, however, it is not possible to effect an adjustment movement of the control cables independently of one another or jointly in the same direction (for example relative to a third cable) by means of said actuator.
• intervenes with linearly moving pulleys in the control cables beyond large cable guide problems due to relatively long free Seiltrume be expected in conjunction with the high dynamic range of the linear movement to be achieved. Furthermore, the maximum possible path of the relative positioning movements due to the inevitable
• Flying wind turbines can have a high level of operational reliability and a large
• the subject matter of the invention is thus a flying wind power installation comprising a ground station (1) and a controllable aircraft (2), tied up by cables or rope-like means (3, 4), driven by wind power, wherein the ground station has at least one main cable and one with a drive motor (16) with or without transmission gear (15) equipped main drive train (5) for generating energy by using the YoYo effect by removing and retracting the aircraft and at least one control cable and one with a
• the summation gear (22) is arranged directly in front of the or the respective actuator train. However, it may also be arranged optionally in the region of the main drive train. Furthermore, additional devices for speed ratio can be provided.
• the invention also relates to a corresponding flight wind turbine, in which at least one main drive train (5) is installed in a cable drum (13). The associated main rope is wound on this winch drum one or more layers.
• the invention also relates to a corresponding flight wind turbine, in which at least one actuator line (7) is installed in a cable drum (19).
• the associated control cable (4) is wound on this winch drum one or more layers.
• the subject matter of the invention is also a corresponding flying wind power plant, in which the motor (16, 26) of at least one main or actuator train (5, 7) includes a rear mechanical connection possibility by means of which it is attached to the stationary structure outside the respective drum unit.
• the motor (16, 26) of at least one main or actuator train (5, 7) includes a rear mechanical connection possibility by means of which it is attached to the stationary structure outside the respective drum unit.
• a structural part or the engine itself lead through a drum pivot bearing.
• the subject matter of the invention is also a corresponding flying wind power plant, in which at least one main or actuator train (5, 7) is inserted into a one- or multi-part motor tube (17, 27), which is marked at the front end by an end-face mechanical connection possibility of a drive motor or a motor-gearbox combination, and further characterized by a cavity which leaves enough space to accommodate the engine or the engine / transmission combination, and at the rear end is characterized by a part which passes through a drum pivot bearing and connected to the fixed structure outside the drum.
• the subject of the invention is also a corresponding flying wind power plant with at least one integrated into the drum main or actuator train, in which the output serves in the radial direction as a support of the respective drive train or possibly the combination of the drive train and motor tube.
• the flying wind turbine according to the invention at least or exactly two control ropes or Stellseiliseren, or Stellseiltrommeln (19) for controlling the
• the two or more adjusting winches (7) in question are preferably installed coaxially in the system.
• the invention further relates to a corresponding flight wind turbine, wherein the at least one winch device or drum unit (19), which a
• Actuator line (7) parallel and off-axis to at least one
• Winding device or drum unit (13) having a main drive train (5) is arranged, and the respective winch or drum units via drive wheels (10A, 10B) and conventional traction means (11, 12) are interconnected (Fig. 4).
• the connected winch device or drum unit (19) which a
• Actuator line (7) connected to the side with the connected winch device or drum unit (13) which has the main drive train (5), on which the at least one planetary gear (22) is arranged.
• the subject matter of the invention is also a corresponding flying wind power installation, in which the winch device or drum unit (19), which has an actuator drive train, is arranged coaxially with at least one winch device or drum unit, which has a main drive train.
• the invention also relates to corresponding flight wind turbines, which include a generator function in the form of a generator device. In the simplest case, this can be a drive motor that works as a generator.
• the invention further relates to a corresponding flight wind turbine, in which (i) the summation gear (22) is arranged immediately in front of the actuator drive train (7); (ii) the plant has two or more actuator strands (7A, 7B) for differential control of the
• Aircraft has; (iii) the two or more actuator strands (7A, 7B) are arranged one behind the other in the axial direction in a single or multi-piece winch device or drum unit (19); (iii) Main driveline and actuator train in said
• Drum units or winch devices (13, 19) are interconnected via an off-axis gearbox (15), and (iv) winch device or drum unit (19) having the actuator strands (7A, 7B) coaxial with the winch device or drum unit (13). is arranged, which has the main drive train (5).
• the invention further relates to corresponding flying wind turbines, in which the ground station (1), which accommodate said devices for generating mechanical and / or electrical energy, on a rotatable and / or movable, preferably round platform (9) is fixed, wherein in a particular embodiment the platform has a rotatable and / or movable mast (29), which guides the main drive cables and / or the control cables in the direction of the aircraft (Fig. 1, Fig. 7).
• the aircraft according to the invention preferably has one or more movable and adjustable by means of the control cables actuators.
• the aircraft may be a kite, as or a construction of moving textiles and / or films with or without
• the invention is also the use of a flying wind turbine according to the claims and the description for the production of electrical energy from
• the subject matter of the invention is a method for extracting and withdrawing an energy source by means of wind power, which is tied to a ground station via ropes.
• the taking in and taking off of one or more setting ropes for controlling and aligning the aircraft takes place independently of the one or multiple engagement and withdrawal of the aircraft by one or more Kleinzugseile, which provide for the mechanical energy according to the YoYo effect, wherein the directly generated by means of at least one main drive train or applied mechanical power from this or this using at least one as
• Fig. 1 shows schematically a Flugwindkraftstrom with a ground station (1) and a bound aircraft (2) with 2 ropes (3, 4).
• Fig. 2 shows schematically in perspective the rotating part of a ground station (1) according to an advantageous embodiment with a rotatable table (9), 3 winches and non-pivoting Seilausmatin (8).
• the arrangement shows two coaxially arranged Stellseilwindentrommeln (19) in the foreground, which in the interior according to the invention, two actuator strands (7), each in turn a drive motor (26) include, and optionally or at least one summation (22).
• the said cable drum unit (19) is fastened to a support structure (6) mounted with the platform (9), as well as the main cable drum (13) arranged parallel behind it, which internally houses the main drive train (5) which drives the main drive motor (16). includes, and optionally another transmission (15).
• the respective ropes (3, 4) are guided, which are connected by corresponding outlet guides (8) with the aircraft (2).
• Fig. 2 shows a preferred embodiment with a main cable and two control cables and thus a system which has a main drive train (5) and two actuator strands (7).
• Fig. 3 shows schematically the rotating part (9) of the ground station (1) of Figure 1 in plan view.
• Fig. 4 shows the section shown in Fig. 2.
• the Ceiffentriebmaschine (10A, 10B) can be seen, which via a traction means (11), usually a chain or a
• the left drum / winch (13) represents the derailleur strand
• Fig. 5 shows the marked in Fig. 3 section through the main winch (13).
• the drum is divided into several compartments. Center of the
• Supporting structure (6) stored (14) is the drive motor (16) via a transmission (15)
• Main drive (16) during operation of the main cable (3) can be hot due to the necessary high speed, are in the illustrated embodiment
• Fig. 6 shows the section marked in Fig. 3 through a part of the here two-part
• Fig. 7 shows schematically a possible implementation of a take-off and landing system by means of co-rotating mast (29) (30) which is mounted on a rotatable platform (9) (31).
• the mast or arm has guides (32) for the main rope and the control ropes.
• Fig. 8 Schematic diagram of cyclic energy conversion with towing kites.
• Fig. 9 Schematic diagram of the energy system
• Fig.10 shows as a schematic diagram the winches of a ground station (1) for more advantageous
• Actuator strands (7) each in turn having a drive motor (26) and a summation gear (22) included.
• Said Stellseiltrommel unit (19) is rotatably mounted on a platform-mounted support structure (6), as well as the parallel behind it arranged main rope drum (13), which inside the main drive train (5), which comprises the main drive motor (16) and a transmission gear (15).
• Fig. 10 shows a preferred embodiment with a main cable and two control cables and thus a system which has a main drive train (5) and two actuator strands (7).
• Fig.11 shows a schematic diagram of the winches of a ground station (1) for more advantageous
• the arrangement shows two coaxially arranged Stellseiltrommeln (19), which in the interior according to the invention, two actuator strands (7), each in turn having a drive motor (26), and a summing gear (22) included.
• the said cable drum unit (19) is rotatably mounted on a support structure mounted to the platform (6), as well as the coaxially arranged between the Stellseiltrommeln main cable drum (13), which in the interior
• Main drive train (5) comprising the main drive motor (16) and a transmission gear (15).
• Fig. 11 shows a preferred embodiment with a main cable and two control cables and thus a system which has a main drive train (5) and two
• the present invention relates to systems operating in so-called YoYo operation.
• Phase 1 is characterized in that the aircraft pulls ropes under power from the ground station, which converts this mechanical energy into usable form.
• Phase 2 is characterized in that the aircraft is operated so that the rope forces are lower than in Phase 1 and the aircraft is recovered at a higher speed than in Phase 1 with less energy use. In this yo-yo cycle, a positive total energy balance is created at the
• Soil station usable energy can thus, if appropriate after a homogenization by a buffer memory, are delivered.
• the aircraft of a flying wind turbine must by actuators, for example
• Change angle of the aircraft be controllable, and can also other adjusting devices, such as Reffvorraumen, brake or emergency umbrellas, inter alia Mechanisms include.
• the drives which operate the control devices of the aircraft may be located either in the aircraft or on the ground.
• the advantages of a control from the ground are on the one hand in the weight savings in the aircraft and on the other hand in the cost savings due to the fact that non-accompanying drives are cheaper to implement and maintain.
• the invention relates to the ground stations of such systems in which at least one actuator on the wing is actuated from the ground by means of an actuating cable.
• the actuating movements are transmitted in the case of a drive from the ground via control cables to the aircraft.
• the invention relates to flying wind turbines, which consist of at least one main cable drive (5) and at least one Stellseiltrieb (7).
• the drivetrain of a main rope is characterized by the ability to provide over the full required speed range of YoYo cycle 'the required power to jointly omit and retrieve all ropes and the drive train of an actuating rope characterized by the ability, the power, dynamics and
• Position accuracy which is required when adjusting the respective cable relative to a main cable, over the required speed range of the corresponding
• the invention primarily, but not exclusively relates to flying wind turbines, in which the conversion of the translatory kinetic energy of the rope is effected in another form of energy by at least one winch, which consists of at least one cable drum, which the translational energy of the rope in rotatory Energy converts, and a drive member with or without gear, the energy transformations of mechanical, rotational energy in another form of energy, for example. Electric energy, allows in both directions.
• the present invention expressly relates to all flying wind turbines with at least one main rope and one adjusting cable each, but is illustrated by means of an embodiment of three-rail vehicle systems. Dreileinerdrachen have a main rope, and two control cables.
• the kite By adjusting a control cable relative to the other, the kite is deformed asymmetrically, which causes a path change by the asymmetry of the flow.
• the angle of attack of the entire aircraft can be changed.
• the speed ratio in the power branch between the main cable drum and the adjusting cable drum is in each case selected so that, when the actuator is stationary, the cable coupled in this way moves as quickly as possible as the main cable.
• any deviations can be compensated by the relevant actuator.
• a driven rotatable platform can also be used very economically as a pivot bearing and drive (31) for a possible rotation arm (29) as a take-off / landing.
• An embodiment of the invention may be to operate and control an aircraft from the ground by means of a main winch and at least one winch, each comprising a cable drum and a motor / generator operating engine.
• a main winch and at least one winch each comprising a cable drum and a motor / generator operating engine.
• At each of the Stellseiltrommeln as a summation (22) acting planetary gear is installed such that the ring gear (24) fixed to the rotatable
• Stellseiltrommel (19) is connected, the sun gear (25) fixed to the actuator (22) is connected, and the planet carrier (23) with the main cable drum (13) is connected such that mechanical power can be transmitted.
• the main drive train and the actuator drive train are connected according to the above description with an off-axis gearbox (5), such as a spur or traction gearbox.
• an off-axis gearbox (5) such as a spur or traction gearbox.
• any winch can be arranged off-axis to the main winch.
• the latter are arranged coaxially to each other when using a main rope and several Stellseilwinden and in such a way that their outer ends axially not or not substantially over the ends of Protruding main rope drum. In this way it is possible to have a square
• Winches on a rotating platform leads.
• one or more hoist winches can be arranged coaxially to the main winch. This can be dispensed with an off-axis gearbox in the power branch between the main and control drum.
• the integration of the drive trains in the respective cable drums can be carried out such that the motors receive a rear-side mechanical connection possibility, by means of which they pass through a drum bearing to the stationary structure outside the rotating
• leading part of this motor tube can be made tapered, which allows a smaller size of the drum bearing.
• according to the invention serve as a further support of the drive train whose rotating output. This is naturally substantially non-rotatably and radially immovably connected to the cable drum, which in turn is mounted to the fixed structure substantially rotatable and radially immovable. This results in no further action in the
• Motor tube can be prevented by a hinged or flexurally elastic storage. Because the rope drums because of the high speed when putting on and taking off the
• cooling devices can be provided according to the invention in a further embodiment.
• integrated in the cable drums drive members via corresponding connections (18) with a
• Level 1 Power stroke with power generation, missile flies across the wind and builds up high rope forces. The rope is speed-controlled and torque-limited extended.
• Level 2 retrieve cycle with power requirement, missile flies with minimized forces (straight or on the windward side) Engine drives drums and all ropes are retracted at the same but higher speed than in level 1. The required energy comes from the grid via regenerative inverters.
• Level 3 Control plane missile can be adjusted by one or two control cables. For this purpose, separate control drums are mutually adjusted or jointly relative to the tether drum. The required energy is minimal and is also drawn from the DC link.
• Level 4 A braking resistor and optionally a buffer draw excess energy from the DC link and store energy or convert it into heat. While the braking resistor is an essential safety feature, the battery buffer is an optional component.

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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)
• Power Engineering (AREA)
• Aviation & Aerospace Engineering (AREA)
• Wind Motors (AREA)

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Publications (1)

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Cited By (3)

Citations (9)

• 2013
  • 2013-09-07 WO PCT/EP2013/002689 patent/WO2014040716A1/fr not_active Ceased

Patent Citations (9)

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