WO2009093988A2 - Système de production d'électricité à partir des vagues de la mer - Google Patents

Système de production d'électricité à partir des vagues de la mer Download PDF

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Publication number
WO2009093988A2
WO2009093988A2 PCT/TR2009/000007 TR2009000007W WO2009093988A2 WO 2009093988 A2 WO2009093988 A2 WO 2009093988A2 TR 2009000007 W TR2009000007 W TR 2009000007W WO 2009093988 A2 WO2009093988 A2 WO 2009093988A2
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WIPO (PCT)
Prior art keywords
water
platform
buoy
energy
wave
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PCT/TR2009/000007
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English (en)
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WO2009093988A3 (fr
Inventor
Mehmet Terziakin
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Mehmet Terziakin
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Publication of WO2009093988A2 publication Critical patent/WO2009093988A2/fr
Publication of WO2009093988A3 publication Critical patent/WO2009093988A3/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
    • 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
    • F03B13/14—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 wave energy
    • F03B13/16—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 wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
    • F03B13/18—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 wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
    • F03B13/1805—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 wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem
    • F03B13/181—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 wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem for limited rotation
    • F03B13/1815—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 wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem for limited rotation with an up-and-down 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
    • F03B1/00—Engines of impulse type, i.e. turbines with jets of high-velocity liquid impinging on blades or like rotors, e.g. Pelton wheels; Parts or details peculiar thereto
    • 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
    • F03B13/14—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 wave energy
    • F03B13/16—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 wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
    • F03B13/18—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 wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
    • F03B13/1845—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 wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom slides relative to the rem
    • F03B13/187—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 wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom slides relative to the rem and the wom directly actuates the piston of a pump
    • 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
    • F03B13/14—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 wave energy
    • F03B13/22—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 wave energy using the flow of water resulting from wave movements to drive a motor or turbine
    • 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
    • F05B2220/00—Application
    • F05B2220/61—Application for hydrogen and/or oxygen production
    • 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
    • F05B2240/20—Rotors
    • F05B2240/24—Rotors for turbines
    • F05B2240/241—Rotors for turbines of impulse type
    • F05B2240/2411—Pelton type
    • 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
    • F05B2260/406—Transmission of power through hydraulic systems
    • 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
    • F05B2260/50—Kinematic linkage, i.e. transmission of position
    • 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
    • F05B2270/00—Control
    • F05B2270/10—Purpose of the control system
    • F05B2270/103—Purpose of the control system to affect the output of the engine
    • F05B2270/1033—Power (if explicitly mentioned)
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

Definitions

  • This invention relates to the technology of energy generating systems from sea waves. Especially, this invention is about pumping water with the movement of buoys articulated to offshore platforms, and converting to electrical energy with the groups of Pelton turbines and generators and transportation this energy to shore.
  • Some of these methods are systems having the principle of obtaining compressed air in a closed tank and converting this into energy. In these systems, energy is acquired by the compressed air driving a gas turbine. But, with this method the gained pressure of the air is fairly low and it does not have enough energy.
  • Some kinds of these systems' principle are converting the up and down actions of the buoys connected to sea bottom to mechanical or electrical energy. And some of the systems are the machines that change the energy of the waves hitting to jointed plates into mechanical energy. And another group of system operates with the turning movement obtained from the converted movements of the buoys. Generally, these are the systems which convert very low ratio of the energy of the waves into mechanical and electrical energy; also have problems in operating, and not economical.
  • waves can come to the shore from different directions and in different height and frequency. It must be compatible in variable characteristics of height, frequency, direction, etc. and it should keep its operation efficiency high during variable characteristics.
  • buoys which are connected to an offshore platform and located to take the wave action from front. These buoys are moving up and down with the waves. Groups of piston cylinders, one side connected to buoys or arms of the buoys, the other side connected to the platform which buoys are connected, are supplying pressured water with this up and down action. This pressured water turns a Pelton turbine and turbine shaft drives a generator. The electricity taken from one or more generators is transferred to shore by a conductor passing through the sea.
  • horizontal projections of these buoys should be thin, long rectangles and long edge of the rectangle must be parallel to the wave crest. Buoys should turn around to take wave action from their long edges.
  • a buoy should rise as much as possible.
  • Front and backsides of the buoys should be rounded for decreasing impact resistance of the waves.
  • wave's back-crest part have a section thought as narrow and sharp.
  • the horizontal projection of the buoy is a 5x5m square
  • height of the wave cannot be used productively and the oscillation of the buoy will be limited.
  • the buoy will only float on the average height of the water and make small oscillations. But the purpose must be using the top and bottom levels existing over water as much as possible. For instance, a thin and long rectangle shaped buoy, taking the wave action through its long side, will rise and descend with the wave.
  • the up and down stroke will be much higher.
  • the horizontal projection of the bouy is a 0.5x5m rectangle, and the long side is located parallel to the wave crest, buoy will rise and descend with the top of the wave. So building the buoys long and thin will increase usable stroke length/displacement volume.
  • the platforms, on which the buoys are connected will preferably be anchored to sea bed.
  • the direction of the wave will be determined simultaneously, and the direction of the platform will be changed to make its length parallel to wave crest. This work will be done by easing away and tightening the ropes, connected to sea bed, with capstans.
  • a buoy (1) which Length(L)/Width(W) ratio is larger than one, is connected to a horizontal arm (2) with a joint (3).
  • the arm (2) With the buoy (1), the arm (2) is moving up and down.
  • the joint (5) that the arm (2) is connected to the part (7) located under the platform which is not seen in the figure.
  • This joint (6) is connected to the end of a piston (4), and while moving up and down with the wave it makes the piston (4) to move upwards and downwards in the cylinder too.
  • This cylinder (8) was built as a hose pump and during every up and down action it sucks water from sea or internal pipe system and pumps it into pressured water line.
  • the upper end of the cylinder is jointed to the platform and its lower end is hinged to the arm holding the buoy.
  • another fluid can be used too, for example, oil or fresh water. In this case there must be a closed system in which the oil is circulated in a closed loop.
  • buoys taking the wave action from front, buoy's being narrow and buoy's long side's being parallel to wave crest. Because wave energy is a fact that over the sea surface there becoming series as peaks and bottoms and this actions moving perpendicular to the line of wave crest. Also, the length of the buoys which will take the wave action should be parallel to the line of wave crest line, and taking the wave along the long side of the buoy will make the buoy rise and descend better. Moreover, buoys having a short draft or its having a bit flat shape, so it's won't being a resistance to the wave will be suitable.
  • M is the mass of the buoy
  • Ld is the distance between the joints 3 and 5
  • Lp is the distance between the joints 5 and 6
  • A is the area of the buoy's horizontal projection.
  • K M+Fd
  • the incoming wave will raise the buoy number 1, and this lifting force (K), will create an upwards directional force (Fd) over the joint number 3.
  • This joint will make the arm (2) rise.
  • the arm (2) is a part connected to the fixed platform from one side, connected to the piston from middle, and connected to the buoy from its end.
  • buoy's draught will change in descending and rising strokes.
  • the difference 2Fd, occurred during the change of direction will be met with the buoy's sinking into water more or less.
  • the area's, affected by the pressure during the pistons' pushing and pulling action, being different is also ignored.
  • buoy's routine operating conditions for example, as 3 -4m up and down stroke it is needed to build the system as it can produce energy. Also in severe sea conditions, it should be a durable system. It will be effective to use springs, rubber mountings to absorb the impact force at the up and down limits of buoy stroke between the platform and buoy arm(2), or at the joints (5,6).
  • buoy's having a perfect waterproof structure and the joints number (3) and (5) handling the force acting on the buoy is very important.
  • a similar one of the system shown in the figure can also be used to obtain energy from the waves coming to coast.
  • the piston-cylinder couples are connected to a base on the coast as horizontal or with an angle.
  • One side, for example the cylinder is fixed to the base on the coast.
  • the other hand is connected to a vertical plate or a buoy which the waves are able to hit. Plate or buoy will be pushed by the wave because of the hitting and repositioning the buoy or the plate is done by an apparatus like a spring or something similar.
  • buoy's sinking difference in the case piston's being used as a suction pump with two directional pumping.
  • buoy (1) is sinking more, because in the period of rising buoyancy of water supplies the force to push the buoy and piston upwards.
  • piston is pulled down because of the weight of the buoy (1), so the draught of the buoy is less.
  • weight of the buoy should be enough to pull the piston downwards.
  • H wave total wave height
  • Hstroke Hwave - Hbuoy.
  • H-buoy buoy distance shorter.
  • the horizontal projection area of the buoy's being large and buoy structure's being able to take the wave affect all along will be suitable.
  • the buoy when the buoy pumps water as a suction pump, when the cylinder is lifted by the water, the buoyancy of water is equal to the sum of the weight of the buoy and the vertical force caused by the cylinder.
  • the buoy having a vertical projection area, 2x1 Om, a rectangle, if its weight is 6000kg and to lift up the piston 6000kg of force will act on the joint 3, it will be lift upwards by 12000kg of force. Because of having a horizontal projection area, 20 m 2 , a part of 0.6m height will sink into water.
  • the buoy can also make the cylinder pump water with the same pressure value as a suction pump while descending if it pulls the piston downwards with a force of 6000kg.
  • water will , be at the bottom level of the buoy. In short there will be 60cm of difference at the draught of the buoy while changing its direction from downwards to upwards.
  • the effective up and down stroke of the buoy will be 1.9 m. So, because a unit like this cannot take the energy of the wave in one try, the energy of the wave could be taken step by step with a consecutive order of these units.
  • the buoyancy of water is wanted to be high during designing, there will be a decrease in the effective stroke.
  • a free descending buoy and only pumping while rising is preferred, it is possible to make the drought of the buoy, buoyancy of water and effective stroke higher. So, in this case the piston will work in one direction.
  • buoy will use the wave height as it is, useful stroke will get larger, but it will be used in one direction.
  • buoy can be designed as it can sink more and supply buoyancy more.
  • the buoyancy of water can be calculated as 25000kg.
  • Cylinder-piston couples (4,8) of all units are pumping water to the pressured pipe line which is not shown in the figure.
  • This pressured water is pumped to a Pelton turbine (11) or Francis turbine located on the platform.
  • a generator driven by this turbine will generate electricity.
  • An automatic control system is adjusting the sectional area of the nozzle as enlarging or constricting, at the beam of water given to the turbine.
  • the generator which cannot be seen in this figure, is transporting energy to the shore with power lines.
  • the whole platform is connected to sea bottom with suitable connectors(l ⁇ ).
  • Steel rope is preferred to be used in application.
  • Platform's position will be set to be parallel to the wave peak line and perpendicular to wave direction by easing away and tightening these connections with the mechanisms over the platform.
  • the weight of the rope is an excessive load, and it will cause an over-tension in upper parts. So, to carry the rope with buoyancy of water to prevent the risk of rupture, buoys having a material incompressible, lower density than water, will be useful if they are connected to the rope in certain distances.
  • This buoy method for the ropes of the platforms over deep seas can also be used in different applications, for example, for the ropes of offshore petrol platforms.
  • the tensions in the ropes are controlled with sensors and for over stress conditions, tension is decreased by loosening it, or tightening the other ropes.
  • Seas having high potential about waves and shallow waters are the ideal places for such a system. For example, north of England, west shores of North America, open seas at south of South America and off shores.
  • These platform groups can be easily and economically used where the depth is over 1000m, the capacity of waves are higher in open seas.
  • weights, such as water tanks have been put away from the axis of the platforms. The purpose is making the platform's body above(15) stable over the waves as much as possible.
  • pontoons can also be used to make platform float in these regions. And an important point is, for not to spoiling the balance of the platform, these carrier pontoons should be under waterline of the platform.
  • the weights, located away from the platform axis (15), and/or the plates, which are not shown on the figure, and horizontally located in the water, will prevent the platform to move vertically with the wave action.
  • these weights' and/or the horizontal plates' in the water being 6m away from the axis, will require 10 cm of rising or descending.
  • it will require 60 cm of moving. It will be difficult to make 100 tons of weight this kind of periodic movement, so the platform will be significantly stable.
  • These weights should be over water level and won't be affected by the waves. Therefore, it is the wave action's causing a resonance.
  • an effective precaution for keeping the platform steady as much as possible is locating horizontal plates under water surface far away from the platform axis.
  • this plate will want to move by pushing the water with its both sides but it will face with an important resistance.
  • arm number 10's being 30 m long and, having a horizontal plate of 200 m 2 under water surface, it is very difficult to move with the wave up and down. This will have a damping effect as a shock absorber.
  • an important subject is having the ability to change the direction of the platform due to the direction of the wave.
  • the system which changes the direction of the platform, is very important to operate productively.
  • tightening or loosening method is applied to the steel ropes, which connected to sea bottom.
  • An electronic control system determines the direction of the wave and/or direction of the wind. The capstans pull the ropes on the side wanted to be closer, and loosen the ropes on the side wanted to get away so, it supplies a change in direction.
  • the own weight of the rope can exceed its own rupture limit in deep seas.
  • its volume will be 0.4m .
  • the limit load of the rope will be 4000kg. Because of this, using ropes which has low density will be useful.
  • buoys having a material incompressible, lower density than water will be useful if they are connected to the rope in certain distances.
  • a buoy, 1 m 3 volume contains benzene or kerosene density of 0.65 ton/m 3 , and if the weight of the buoy is ignored, it will supply 0.35 tons of buoyancy. Preventing to make the ropes stressed with their own weight by hanging these kinds of buoys on the rope.
  • Buoy-platform connection can be articulated or sliding upwards and downwards.
  • Pelton turbines are suitable for high falling or high pressure and low flow capacity.
  • the pressure of the water pumped is determined with design and construction. And for example, 100 or 200 Bars of pressures can be selected and jet on a Pelton turbine through a nozzle and make the turbine rotor turn at comparatively high speed.
  • generators are such machines that as their rotation speed increases, their moments and costs decrease.
  • turbine and generator having direct driving instead of having a gearbox both decreases loss in the gears and bearings, so it increases efficiency, and decreases setup cost.
  • Francis and Banki types of turbines can also be used but, because of the reasons above, Pelton turbines has more suitable characteristics than the others.
  • An automatic control system over the platform will take care of the loading case in the generator, wave conditions on the sea, pressure at the nozzle, revolution number of the turbine, etc. and it will control some of the other parameters.
  • Fresh water can be used in case of circulation in a closed loop. Unlike in the case of working with fresh water, if sea water is selected as fluid, suitable constructions and materials will be selected for corrosion resistance. For example, in rotors and moving parts, bronze, stainless steel, aluminum resistant to sea water, or plastic materials should be used. Buoys and parts of platforms should need to be galvanized steel. On the other hand, method of cathodic protection will be useful to protect the construction. Sealing equipments, o-rings and packings should also be plastics, silicones and rubbers resistant to sea water's effects. And the lubricators should be suitable for sea water. As another choice, fresh water or hydraulic oil circulating in a closed loop can also be used.
  • the sea water coming from pistons will show important differences due to the conditions of sea and waves.
  • An automatic control system should regulate the jet flow rate and jet velocity of turbine on turbine buckets (11).
  • multi jet peton turbine will be useful in case of adopting the differences in wave energy, namely the flow rate coming to the turbine. So, when big waves occurred, converting them into energy will be possible.
  • Pelton turbine's being suitable for high speeds, it can be directly connected to the generator directly without a gearbox.
  • the generator can supply electricity at standard, 50 Hz or multi phase, 60 Hz, also a DC generator can be used. So, from an offshore wave energy platform to the coast, one DC transmission line can be used. Circuit will be completed by using sea water as earth connection.
  • This power line hanging in the water can also be located on the sea bottom. And where the platforms are not, the power lines can also be hanged on the buoys which are anchored to sea bottom.
  • the weight of the conductor should be carried by buoyancy of water. So, small lifting buoys can be located on the power lines.
  • the volume of the buoys which carries a conductor and its coating whose total weight is 30kg/m will be designed as 29 It, the conductor will be carried largely by the water.
  • the distance between two platforms or carrier buoys anchored to sea bottom can be large. For example these power lines can be passed through the sea, hanging to the buoys or the platforms, 30 m under sea level.
  • the conductor's being hanged on the buoys at each 2 km, and having a coating filled with oil and foam, the weight of the conductor can be carried on with the buoyancy of water.
  • sea traffic can easily flow over the power line.
  • warning signs for example metal plates, which can be noticed with sonar systems can be located for submarines.
  • a data signal line can be combined with the power line will be useful to detecting where the problem is.
  • locating the emitters which will notify where the power line is, will be useful for detecting where the line is.
  • This signal can be radio waves or sound waves.
  • a suitable usage area of the energy supplied from these kinds of platforms is having systems which can use this energy located near or over these platforms.
  • this energy can be used with electrolysis method.
  • methods, which consume so much electric energy, such as aluminum electrolysis, magnesium electrolysis, or electrolysis of water to supply hydrogen the electricity generated on these platforms can also be converted into chemical energy. Or, it can be used to gain oxygen or argon from air. If one of these two methods is used, there will be no need to have energy transportation lines to the coast.
  • the hydrogen or oxygen supplied from these offshore platforms can be transported to the demanders on the coast with pressured tanks or by liquefactioning.
  • This system will be built as it is possible to move these platforms to the safe places before the storms and to the suitable places due to the seasonal changes.
  • the platform will be unlayed from the buoys connected to sea bottom, and detached from the power lines to make it ready for transportation. At this time, both conductors and the ropes will be leaved as they are hanged on the buoys fixed to the sea bottom. Later on when the platform is brought back, the conductors and the ropes on the buoy will be connected to the platform and the system will be ready to use.
  • these kinds of systems which are generally designed for average conditions, cannot resist are faced.

Abstract

La présente invention concerne un procédé de production d'électricité par conversion du mouvement de flotteurs qui sont montés sous une plateforme. Les vagues agissent sur des couples cylindre-piston servant à pomper de l'eau qui entraîne une turbine Pelton entraînant elle-même un générateur électrique qui est couplé à la turbine et produit ainsi de l'électricité.
PCT/TR2009/000007 2008-01-23 2009-01-22 Système de production d'électricité à partir des vagues de la mer WO2009093988A2 (fr)

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TR2008/00454A TR200800454A2 (tr) 2008-01-23 2008-01-23 Deniz dalgalarından enerji elde etme sistemi.
TR2008/00454 2008-01-23

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WO2010015821A3 (fr) * 2008-08-05 2010-12-16 Pulse Group Holdings Limited Appareil de production d'énergie à partir d'un courant de fluide
WO2011073628A1 (fr) * 2009-12-17 2011-06-23 Aquamarine Power Limited Système et procédé de chauffage ou de refroidissement
WO2011057420A3 (fr) * 2009-11-13 2011-08-04 Ruz Collao, Luis Alejandro Dispositif propulseur ou moteur pour transformer l'énergie en puissance au moyen des forces produites par le mouvement superficiel d'un liquide ou d'un fluide ou d'un élément similaire
WO2012080749A1 (fr) * 2010-12-17 2012-06-21 David Foster Générateur d'électricité entraîné par les vagues
FR2982648A1 (fr) * 2011-11-16 2013-05-17 Claude Windeck Ponton houlomoteur flottant inertiel, a nombreux modules a petits flotteurs/pompe, qui transforme l'energie de la houle en energie electrique
WO2015009134A1 (fr) * 2013-07-17 2015-01-22 Zaldívar Velázques Carlos Eduardo Système de génération d'énergie électrique reposant sur un récif artificiel
WO2016142556A1 (fr) * 2015-03-12 2016-09-15 Perez Ramos Jose Carlos Système de captation de l'énergie cinétique et de la force des vagues de la mer
WO2017217919A1 (fr) 2016-06-13 2017-12-21 Novige Ab Appareil de recuperation d'énergie des vagues
CN108953046A (zh) * 2018-06-01 2018-12-07 燕山大学 一种三维海浪能发电装置
FR3072133A1 (fr) * 2017-10-05 2019-04-12 Stephan Vallet Flotteurs convertisseur d'energie
US10823136B2 (en) 2018-04-27 2020-11-03 Pliant Energy Systems Llc Apparatuses, methods and systems for harnessing the energy of fluid flow to generate electricity or pump fluid
CN113030412A (zh) * 2021-03-04 2021-06-25 王美燕 一种海洋环境监测与探测装备
EP3869028A1 (fr) 2020-02-20 2021-08-25 Novige AB Appareil de prise de force pour un convertisseur d'énergie houlomotrice et convertisseur d'énergie houlomotrice comprenant cet appareil
WO2021168125A1 (fr) * 2020-02-19 2021-08-26 Lone Gull Holdings, Ltd. Pompe hydrodynamique inertielle et moteur à vagues
WO2022179670A1 (fr) * 2021-02-25 2022-09-01 Henrik Frans Christensen Installation d'exploitation de l'énergie houlomotrice
CN116624318A (zh) * 2023-07-25 2023-08-22 青岛科技大学 一种海洋平台用波浪能发电系统

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WO2014058398A1 (fr) 2012-10-11 2014-04-17 Demirtas Gokhan Type de système de génération d'énergie utilisant le mouvement des fluides

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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010015821A3 (fr) * 2008-08-05 2010-12-16 Pulse Group Holdings Limited Appareil de production d'énergie à partir d'un courant de fluide
WO2011057420A3 (fr) * 2009-11-13 2011-08-04 Ruz Collao, Luis Alejandro Dispositif propulseur ou moteur pour transformer l'énergie en puissance au moyen des forces produites par le mouvement superficiel d'un liquide ou d'un fluide ou d'un élément similaire
WO2011073628A1 (fr) * 2009-12-17 2011-06-23 Aquamarine Power Limited Système et procédé de chauffage ou de refroidissement
GB2508682A (en) * 2010-12-17 2014-06-11 David Joseph Foster Wave powered electricity generator
WO2012080749A1 (fr) * 2010-12-17 2012-06-21 David Foster Générateur d'électricité entraîné par les vagues
FR2982648A1 (fr) * 2011-11-16 2013-05-17 Claude Windeck Ponton houlomoteur flottant inertiel, a nombreux modules a petits flotteurs/pompe, qui transforme l'energie de la houle en energie electrique
WO2013072633A1 (fr) 2011-11-16 2013-05-23 Windeck Claude Dispositif de production d'energie par la recuperation et la conversion de l'energie de la houle.
WO2015009134A1 (fr) * 2013-07-17 2015-01-22 Zaldívar Velázques Carlos Eduardo Système de génération d'énergie électrique reposant sur un récif artificiel
WO2016142556A1 (fr) * 2015-03-12 2016-09-15 Perez Ramos Jose Carlos Système de captation de l'énergie cinétique et de la force des vagues de la mer
WO2017217919A1 (fr) 2016-06-13 2017-12-21 Novige Ab Appareil de recuperation d'énergie des vagues
EP3469208A4 (fr) * 2016-06-13 2019-04-17 Novige AB Appareil de recuperation d'énergie des vagues
FR3072133A1 (fr) * 2017-10-05 2019-04-12 Stephan Vallet Flotteurs convertisseur d'energie
US10823136B2 (en) 2018-04-27 2020-11-03 Pliant Energy Systems Llc Apparatuses, methods and systems for harnessing the energy of fluid flow to generate electricity or pump fluid
CN108953046A (zh) * 2018-06-01 2018-12-07 燕山大学 一种三维海浪能发电装置
WO2021168125A1 (fr) * 2020-02-19 2021-08-26 Lone Gull Holdings, Ltd. Pompe hydrodynamique inertielle et moteur à vagues
EP3869028A1 (fr) 2020-02-20 2021-08-25 Novige AB Appareil de prise de force pour un convertisseur d'énergie houlomotrice et convertisseur d'énergie houlomotrice comprenant cet appareil
WO2022179670A1 (fr) * 2021-02-25 2022-09-01 Henrik Frans Christensen Installation d'exploitation de l'énergie houlomotrice
AU2022225120B2 (en) * 2021-02-25 2023-03-30 Henrik Frans Christensen Wave energy plant
US11952975B2 (en) 2021-02-25 2024-04-09 Henrik Frans Christensen Wave energy plant
CN113030412A (zh) * 2021-03-04 2021-06-25 王美燕 一种海洋环境监测与探测装备
CN116624318A (zh) * 2023-07-25 2023-08-22 青岛科技大学 一种海洋平台用波浪能发电系统
CN116624318B (zh) * 2023-07-25 2023-10-10 青岛科技大学 一种海洋平台用波浪能发电系统

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