WO2013147498A1 - Appareil pour la production d'énergie éolienne hydraulique et procédé correspondant - Google Patents

Appareil pour la production d'énergie éolienne hydraulique et procédé correspondant Download PDF

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Publication number
WO2013147498A1
WO2013147498A1 PCT/KR2013/002508 KR2013002508W WO2013147498A1 WO 2013147498 A1 WO2013147498 A1 WO 2013147498A1 KR 2013002508 W KR2013002508 W KR 2013002508W WO 2013147498 A1 WO2013147498 A1 WO 2013147498A1
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Prior art keywords
unit
hydraulic motor
hydraulic
fluid
fluid supply
Prior art date
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PCT/KR2013/002508
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English (en)
Korean (ko)
Inventor
최경식
조병학
양동순
박신열
박병철
임영섭
Original Assignee
한국전력공사
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.)
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Application filed by 한국전력공사 filed Critical 한국전력공사
Priority to CN201380016551.0A priority Critical patent/CN104204513B/zh
Publication of WO2013147498A1 publication Critical patent/WO2013147498A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • 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
    • 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
    • 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
    • F03D7/028—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling wind motor output 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
    • 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
    • F03D9/10—Combinations of wind motors with apparatus storing energy
    • F03D9/17—Combinations of wind motors with apparatus storing energy storing energy in pressurised fluids
    • 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
    • F03D9/28—Wind motors characterised by the driven apparatus the apparatus being a pump or a compressor
    • 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
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
    • 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
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier

Definitions

  • the present invention relates to a hydraulic wind power generation apparatus and method thereof, and more particularly, to replace the hydraulic cylinder for converting wind power to hydraulic pressure instead of an increaser to reduce the weight of the power generation apparatus and to control the outflow of the fluid stored in the accumulator.
  • the present invention relates to a hydraulic wind power generator and a method for increasing power generation efficiency.
  • a wind turbine is a machine that converts a rotor into mechanical energy by using the aerodynamic characteristics of the kinetic energy of the air flow and converts the mechanical energy into electricity.
  • the wind turbine is classified into a horizontal type and a vertical type according to the direction of the rotation axis with respect to the ground.
  • the main components include a rotor composed of a blade and a hub, and drives the generator by increasing the rotation. It consists of a gear box, a generator for controlling a generator and various safety devices, a hydraulic brake device, a power control device, and a tower.
  • an increaser is installed between the hydraulic pump and the blade for the purpose of increasing the flow rate flowing out through the hydraulic pump.
  • the increaser has a disadvantage of increasing the manufacturing cost of the wind power generator as an expensive device and frequent failures, and also has a problem in that power generation efficiency is lowered because energy loss occurs through the increaser.
  • Hydraulic wind power generation apparatus and method according to the present invention is derived to solve the above-mentioned conventional problems, and aims to solve the following problems.
  • a large amount of fluid can be supplied through a cylinder and a piston, thereby eliminating an increaser, thereby reducing energy loss. It is for the purpose of providing.
  • an object of the present invention is to provide a method capable of providing a predetermined range of hydraulic pressure after accumulation of a fluid pressure, and thus generating power in a high efficiency region.
  • Hydraulic wind power generation device is provided with a blade is provided with a rotating part that rotates by the wind, the rotating part, the cylinder and the piston is provided to the fluid by the driving of the piston in accordance with the rotation of the rotating part.
  • a power supply connected to the fluid supply unit to supply the fluid supply unit, and connected to the hydraulic motor unit and the hydraulic motor unit rotated by the pressure of the fluid supplied from the fluid supply unit, and generating electricity according to the rotation of the hydraulic motor unit. Contains wealth.
  • the fluid supply unit is provided in a plurality of radially arranged, one side of the fluid supply unit is connected to the rotating unit, respectively The other side may be connected to the hydraulic motor unit through one flow path.
  • the hydraulic wind power generation device further includes a connecting plate having an opening formed in the center thereof, and a plurality of the fluid supply units connected to each other. Coupled to the blade is formed in the horizontal direction spaced apart from the drive shaft in a horizontal direction, the end of the drive shaft and the end of the rotating shaft is connected by a connecting shaft formed in the vertical direction, the rotation of the rotating part Accordingly, the center of the connecting plate may be provided to rotate in a circle having a radius of a spaced interval between the rotation shaft and the drive shaft.
  • the hydraulic wind power generation device is provided with a tower in which the rotating unit and the fluid supply unit is provided, the tower is provided in plurality, connected to the fluid supply unit respectively installed in the plurality of towers, After storing the pressure of the fluid supplied from each of the fluid supply unit, it may further include an accumulator for providing a fluid of a predetermined pressure to the hydraulic motor.
  • the hydraulic motor unit may be provided in plural, and each hydraulic motor unit may be provided with hydraulic motors having different capacities, and may be connected to the accumulators, respectively.
  • the hydraulic wind power generator may further include a control unit for controlling the hydraulic motor is driven with a relatively high energy efficiency according to the pressure accumulated in the accumulator portion of the hydraulic motor having a different capacity.
  • a pressure sensor is installed in the accumulator, and a flow sensor is installed between the accumulator and the hydraulic motor, and is measured by the pressure sensor.
  • the generator is operated when the level value obtained by converting the pressure value reaches a level that is the maximum of the available capacity of the accumulator,
  • the controller may further include a control unit configured to stop the operation of the generator when the output value is less than or equal to an operation section or when the pressure detected from the pressure sensor is a pressure corresponding to the lowest level of the accumulator.
  • the hydraulic motor unit is provided with a swash plate angle control unit that can adjust the flow rate to control the rotation of the hydraulic motor unit
  • the controller is the angle of the swash plate angle control unit It may be arranged to control the adjustment.
  • the hydraulic wind power generation method is connected to a rotating part provided with a blade, in the fluid supply part provided with a cylinder and a piston, the step of driving the piston of the fluid supply part according to the rotation of the rotating part to form the hydraulic pressure And rotating the hydraulic motor unit by the pressure of the fluid supplied from the fluid supply unit and generating electricity in the generator according to the rotation of the hydraulic motor unit.
  • the hydraulic wind power generation method is connected to a plurality of fluid supply unit is installed, the accumulator for storing the fluid supplied from each of the fluid supply unit provides a fluid of a predetermined pressure to the hydraulic motor unit. It may further comprise a step provided to.
  • the fluid supply unit is provided in a plurality and disposed radially, one side of the fluid supply unit is connected to each of the rotating unit The other side may be connected to the hydraulic motor unit.
  • Hydraulic wind turbine generator and method according to an embodiment of the present invention has at least some of the following effects.
  • Hydraulic wind power generation device and method according to an embodiment of the present invention can supply a large amount of fluid through a fluid supply unit having a cylinder and a piston is possible to exclude the speed increaser is reduced energy loss, thereby There is an effect that the efficiency can be increased.
  • the hydraulic wind power generator and the method according to an embodiment of the present invention can provide a predetermined range of hydraulic pressure to the hydraulic motor after the accumulation of the fluid pressure through the accumulator, it is possible to operate in the high efficiency region of the hydraulic motor-generator Efficiency improvement can be expected.
  • the hydraulic wind power generator and the method according to an embodiment of the present invention reduce the installation cost by excluding the gearbox, and there is no fear of breakdown of the gearbox.
  • FIG. 1 and 2 is a view showing a hydraulic wind power generator according to an embodiment of the present invention.
  • 3 to 5 are views illustrating an operating state in which the fluid supply unit is disposed radially and operated in the hydraulic wind power generator according to the embodiment of the present invention.
  • FIG. 6 is a view showing the operation control of the hydraulic motor unit according to the efficiency of the hydraulic wind power generator according to an embodiment of the present invention.
  • the hydraulic wind power generator 1000 includes a rotating part 100 provided with a blade 110 and rotating by wind.
  • the hydraulic wind power generator 1000 is connected to the rotating unit 100, the cylinder 210 and the piston 220 is provided with the piston in accordance with the rotation of the rotating unit 100 And a fluid supply part 200 supplying a fluid by driving of the 220 (see FIGS. 3 to 5).
  • the hydraulic wind power generator 1000 is connected to the fluid supply unit 200, the hydraulic motor unit 300 is rotated by the pressure of the fluid supplied from the fluid supply unit 200 It includes.
  • the hydraulic wind power generator 1000 is connected to the hydraulic motor unit 300, the power generation unit 400 for generating electricity in accordance with the rotation of the hydraulic motor unit 300 Include.
  • the hydraulic wind power generator 1000 may further include a connection plate having an opening formed at a center thereof, and a plurality of connection plates connected to the fluid supply units, respectively.
  • the rotating part 100 is provided with a blade 110 is provided to rotate by the wind.
  • the rotating part 100 includes the blade 110, the blade 110 is provided to rotate by the wind fluid supply unit is connected to the rotating part 100 is the rotation energy generated through the blade 110 Is provided to be delivered to (200).
  • the fluid supply unit 200 is connected to the rotation unit 100, and the fluid supply unit 200 is provided with a cylinder 210 and a piston 220 to provide the rotation unit 100.
  • the piston 220 is provided to supply the fluid to the drive
  • the fluid supply unit 200 may be provided such that one side is connected to the hydraulic motor unit 300 and the other side is connected to the fluid storage unit 310, as shown in FIG.
  • the fluid flowing out of the fluid supply unit 200 drives the hydraulic motor unit 300 and is then stored in the fluid storage unit 310, and the fluid stored in the fluid storage unit 310 is pumped by the pump 320. It may be provided to enable the circulation flowing into the fluid supply unit 200 again.
  • the fluid supplied from the fluid storage unit 310 flows into the cylinder 210 of the fluid supply unit 200 by the energy generated from the rotation of the blade 110 and is disposed inside the cylinder 210 ( 220).
  • the fluid introduced into the cylinder 210 of the fluid supply unit 200 flows out of the cylinder 210 by the driving of the piston 220, and the hydraulic motor unit 300 connected to the fluid supply unit 200. It is provided to rotate.
  • a hydraulic pump without a cylinder 210 In the conventional hydraulic wind power generation, a hydraulic pump without a cylinder 210 is used. In the case of such a hydraulic pump, a supply capacity of the fluid is relatively small, and thus a speed increaser is used.
  • the hydraulic wind power generator 1000 and the method according to an embodiment of the present invention uses a cylinder 210 provided with a piston 220 as the fluid supply unit 200, so that a fluid having a relatively large capacity without a speed increaser is provided. Since it can be supplied to the hydraulic motor unit 300, stable power generation is possible.
  • hydraulic wind power generator 1000 and the method according to an embodiment of the present invention may reduce the energy loss generated in the speed increaser by excluding the speed increaser, thereby increasing power generation efficiency.
  • the installation cost for producing a speed reducer is reduced from the increase of the speed reducer, and there is no fear of breakdown of the speed increaser.
  • the fluid supply unit 200 may be provided in a plurality and disposed radially.
  • the cylinder 210 and the piston 220 provided in the fluid supply unit 200 are provided in plural to radially supply the hydraulic pressure to the hydraulic motor unit 300. It is disposed, one side of the fluid supply unit 200 may be connected to the rotating unit 100, the other side may be provided to be connected to the hydraulic motor unit 300 through one flow path.
  • the plurality of fluid supply units 200 may be provided radially so as to have three spaces of 120 degrees.
  • the number and spacing of the fluid supply unit 200 are not limited thereto.
  • the cylinder 210 and the piston 220 provided in the plurality of the fluid supply unit 200 may be connected to the connecting plate 500 having an opening 510 in the center, respectively.
  • the cylinder 210 provided in the fluid supply unit 200 may be connected to the flow path 212, and the accumulator 600 may be connected to the flow path 212.
  • a driving shaft 520 formed in a horizontal direction is coupled to the opening 510 of the connecting plate 500, and a rotating shaft 120 spaced apart from the driving shaft 520 by a predetermined interval R is formed in the horizontal direction. It is coupled to the blade 110, the end of the drive shaft 520 and the end of the rotating shaft 120 may be provided to be connected by a connecting shaft 530 formed in the vertical direction.
  • the center of the connecting plate 500 may be provided to rotate in a circle having a radius of a spaced interval between the rotation shaft 120 and the driving shaft 520.
  • the blade 110 is coupled to the rotation shaft 120 to rotate together with the rotation shaft 120.
  • the connecting shaft 530 extending in the vertical direction is connected to an end of the rotating shaft 120, and the connecting shaft 530 rotates in association with the rotation of the rotating shaft 120.
  • the driving shaft 520 is connected to the end of the connecting shaft 530, and rotates in conjunction with the rotation of the connecting shaft 530.
  • the driving shaft 520 is connected to the opening 510 formed in the center of the connecting plate 500, so that when the driving shaft 520 is rotated, the connecting plate 500 also the rotating shaft 120 and the driving shaft It rotates while drawing a circle having a radius of spaced apart interval (R) of (520).
  • Hydraulic wind power generator 1000 and the method according to an embodiment of the present invention is to arrange the fluid supply unit radially to supply a constant flow rate to the hydraulic motor, it will be described below.
  • the fluid introduced into the cylinder 210 may be supplied to the hydraulic motor unit 300, but when the cylinder 210 is expanded, the fluid flows into the cylinder 210. While temporarily supplying the fluid to the hydraulic motor unit 300 is stopped.
  • the fluid also changes in the amount supplied over time.
  • the hydraulic wind power generator 1000 and the method according to an embodiment of the present invention are provided with a plurality of the fluid supply unit 200 is disposed radially, thereby, of the fluid supplied to the hydraulic motor unit 300
  • the quantity can be made constant.
  • each flow rate flowing out of the plurality of cylinders 210 changes with time, but the total flow rate flowing out of the plurality of cylinders 210 remains constant. Can be.
  • the connecting plate 500 when the connecting plate 500 is moved clockwise in the position shown in FIG. 3, the piston 220 is expanded in the cylinder X, so that the first passage 212 (a The fluid does not flow out through)), and the first valve 214 (a) is opened to allow fluid to flow into the cylinder (X). That is, the flow rate flowing out through the cylinder X is zero.
  • the second valve 214 (b) is closed, and the fluid flows out through the second flow passage 212 (b).
  • the flow rate flowing out through the cylinder (Y) is assumed to be 0.8.
  • the third valve 214 (c) is closed in the state where the compression of the piston 220 is started, and the fluid starts to flow out through the third flow path 212 (c).
  • the flow rate flowing out through the cylinder Z is assumed to be 0.2.
  • 1 of the first channel 212 (a) is connected to 1 of the fourth channel 212 (d)
  • 2 of the second channel 212 (b) is the fourth channel 212 (d).
  • Is connected to 2 3 of the third flow path (212 (c)) may be provided to be connected to 3 of the fourth flow path (212 (d)).
  • This connection structure is also common in FIGS. 4 and 5.
  • the first valve 214 (a) is closed in a state where compression of the piston 220 is started.
  • the fluid begins to flow out through the first flow passage 212 (a).
  • the flow rate flowing out through the cylinder (X) is assumed to be 0.2.
  • the third valve 214 (c) is closed, and the fluid flows out through the third flow passage 212 (c).
  • the flow rate flowing out through the cylinder Z is assumed to be 0.8.
  • the second valve 214 (b) is closed in the state where the compression of the piston 220 is started, and the fluid starts to flow out through the second flow path 212 (b).
  • the flow rate flowing out through the cylinder Y is assumed to be 0.2.
  • the hydraulic wind power generator 1000 and the method according to an embodiment of the present invention as if the output is constant in three-phase alternating current of the same size and only 120 degrees difference phase by placing a plurality of cylinders (210) radially
  • the total outflow of fluid may be provided to be kept constant.
  • the first valve to the third valve may be provided as a check valve formed to flow in only one direction to prevent the back flow of the liquid.
  • the hydraulic motor unit 300 is connected to the fluid supply unit 200 and provided to rotate by the pressure of the fluid supplied from the fluid supply unit 200.
  • the hydraulic motor unit 300 including the hydraulic motor is connected to the power generation unit 400 including a generator, so that electricity is generated in the power generation unit 400 according to the rotation of the hydraulic motor unit 300. Prepared.
  • the hydraulic wind power generator 1000 and the method according to an embodiment of the present invention may include a tower 900 in which the rotating unit 100 and the fluid supply unit 200 are installed.
  • the tower 900 may be provided in plurality.
  • an anemometer 990 may be installed in the tower 900.
  • the accumulator 600 is connected to each of the fluid supply unit 200 installed in the plurality of the tower 900, after storing the fluid supplied from each of the fluid supply unit 200
  • the hydraulic motor 300 may be provided to provide a fluid having a predetermined pressure.
  • the hydraulic wind power generator 1000 and the method according to an embodiment of the present invention is provided with a accumulator 600
  • the accumulator 600 is a fluid supply unit 200 respectively installed in a plurality of towers (900) After accumulating the pressure of the fluid flowing from the) provides a constant hydraulic pressure to the hydraulic motor unit 300 connected to one side of the accumulator 600, a constant output from the power generation unit 400 connected to the hydraulic motor unit 300 It is arranged to be generated.
  • a pressure sensor 610 may be installed at the accumulator 600, and a flow sensor 620 may be installed at the hydraulic motor 300.
  • control unit 700a operates the generator when the water level value obtained by converting the pressure value measured by the pressure sensing sensor reaches a water level which is the maximum of the available capacity of the accumulator, and when the output value is less than or equal to the operating range or the pressure sensing It may be provided to control the operation to stop the operation of the generator when the pressure sensed from the sensor is the pressure corresponding to the lowest level of the accumulator.
  • the hydraulic motor unit 300 is provided with a swash plate angle adjusting unit 800 that can adjust the flow rate to control the rotation of the hydraulic motor unit 300
  • the control unit 700a is the swash plate angle adjusting unit It may be provided to control the angle adjustment of the (800).
  • the control unit 700a is detected from the flow rate sensor 620 installed in the hydraulic motor unit 300 and the data on the pressure (P) of the accumulator detected by the pressure sensor 610 installed in the accumulator 600. Receive and store data on flow rate (Q).
  • the controller 700a may be provided to estimate the level L of the fluid from the pressure P of the accumulator.
  • the efficiency ( ⁇ mg ) of the hydraulic motor unit 300-power generation unit 400 is a value obtained by multiplying the efficiency ( ⁇ m ) of the hydraulic motor unit 300 by the efficiency ( ⁇ g ) of the power generation unit 400.
  • the hydraulic motor 300 is stopped.
  • the hydraulic motor unit 300 is operated. It may be set to an interval.
  • the predetermined efficiency ⁇ mg1 is an efficiency at an arbitrary point b, which corresponds to a constant, and may be arbitrarily set in consideration of various conditions.
  • control unit 700a sends an operation start signal to the swash plate angle adjusting unit 800 when the pressure P of the accumulator part is equal to or higher than the pressure corresponding to the level of the available capacity of the accumulator 600.
  • the swash plate angle may be provided to gradually open.
  • the controller 700a calculates data on the pressure P of the accumulator and data on the flow rate Q, and the controller 700a has a PQ / ⁇ mg1 value of b + (( Continue to open the swash plate angle until the value corresponding to ab) / 2) point, and then adjust the swash plate angle according to the changing PQ / ⁇ mg1 value.
  • the swash plate adjustment method is a percentage of the value obtained by subtracting the value b from the value a in FIG. 6 from the value P in the control part 700a, that is, PQ * 100 / ( ⁇ mg1 * (ab)).
  • PQ * 100 / ( ⁇ mg1 * (ab) is a percentage of the value obtained by subtracting the value b from the value a in FIG. 6 from the value P in the control part 700a, that is, PQ * 100 / ( ⁇ mg1 * (ab)).
  • control unit 700a is the output value (PQ / ⁇ mg1 ) is lower than the operating interval, that is, below the value corresponding to the point b in Figure 6 or the pressure detected from the pressure sensor 610 is
  • the swash plate angle control unit 800 sends a stop signal, the swash plate angle control unit 800 adjusts the swash plate angle to 0 degrees By stopping the operation of the hydraulic motor unit 300.
  • the efficiency of the hydraulic motor-generator can be improved, and as a result, the utilization rate can be improved, and the hydraulic energy is stably changed to electric power to provide the electric power. This has the effect of improving quality.
  • control unit 700a may control the flow rate Q by controlling the swash plate angle adjusting unit 800 installed in the hydraulic motor unit 300. That is, when the swash plate angle is gradually increased, the flow rate (Q) flowing into the hydraulic motor unit 300 also increases, so that the rotational speed of the hydraulic motor unit 300 is increased.
  • the hydraulic motor unit 300 may be provided in plural, and each hydraulic motor unit 300 may be provided with hydraulic motors having different capacities and connected to the accumulator 600, respectively. have.
  • the most efficient hydraulic motor unit 300 in consideration of the storage amount of the fluid stored in the accumulator 600. It can be provided to drive.
  • the hydraulic motor provided in the hydraulic motor unit 300 is four, and each of the capacity of the hydraulic motor is 6.25%, 12.5%, 25%, 50% of the total capacity, when the wind speed is the weakest 6.25% capacity of the hydraulic motor can be driven, and when the wind speed is the strongest, it can be arranged to drive the hydraulic motor that selects and combines the small capacity sequentially from the large capacity.
  • controller 700b may be further configured to control the hydraulic motor having a relatively high energy efficiency according to the pressure accumulated in the accumulator 600 among the hydraulic motors having different capacities.
  • the number and capacity of the hydraulic motor is only one example, the number and capacity are not limited thereto.
  • control unit 700a for controlling the stop or operation of the generator in accordance with the pressure and the flow rate of the accumulator 600, and the hydraulic pressure of the relatively high efficiency in accordance with the flow rate of the plurality of hydraulic motor unit 300
  • the control unit 700b for driving the motor unit 300 may be provided as one control unit or may be provided as a separate control unit.
  • the piston of the fluid supply unit 200 according to the rotation of the rotating unit 100. 220 is driven to form hydraulic pressure.
  • the hydraulic motor unit 300 is rotated by the pressure of the fluid supplied from the fluid supply unit 200, and electricity is generated in the generator according to the rotation of the hydraulic motor unit 300.
  • the accumulator 600 is connected to the plurality of fluid supply unit 200, the storage unit 600 for storing the fluid supplied from each of the fluid supply unit 200 to provide a fluid of a predetermined pressure to the hydraulic motor unit 300
  • the hydraulic motor unit 300 may be provided to rotate.
  • the fluid supply unit 200 is provided in a plurality arranged radially, one side of the fluid supply unit 200 is connected to the rotating unit 100, The other side may be provided to be connected to the hydraulic motor unit 300 through a fourth flow passage 212 (d) provided as one flow passage.

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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)
  • Wind Motors (AREA)

Abstract

La présente invention concerne un appareil pour la production d'énergie éolienne hydraulique et un procédé correspondant, l'appareil pour la production d'énergie éolienne hydraulique comportant : une unité rotative, équipée de pales, qui est entraînée en rotation par le vent ; une unité d'alimentation en fluide, connectée à l'unité rotative et équipée d'un cylindre et d'un piston, pour fournir un fluide par le fonctionnement du piston entraîné par la rotation de l'unité rotative ; et une unité de moteur hydraulique, connectée à l'unité d'alimentation en fluide, qui tourne grâce à la pression du fluide fourni par l'unité d'alimentation en fluide ; et une unité de production, connectée à l'unité de moteur hydraulique, pour la production d'électricité à partir de la rotation de l'unité de moteur hydraulique. Par conséquent, la présente invention présente l'avantage de réduire la perte d'énergie et l'accroissement de l'efficacité de production en permettant le fonctionnement de la partie de moteur hydraulique à un niveau de fonctionnement de grande efficacité.
PCT/KR2013/002508 2012-03-27 2013-03-26 Appareil pour la production d'énergie éolienne hydraulique et procédé correspondant WO2013147498A1 (fr)

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DE102015209644A1 (de) * 2015-05-27 2016-12-01 Robert Bosch Gmbh Hydrostatischer linearer Aktuator und Anordnung mit hydrostatischen linearen Aktuatoren
KR101980612B1 (ko) * 2018-01-08 2019-05-21 박준규 회전체의 제동장치
KR102320936B1 (ko) * 2021-02-26 2021-11-15 주식회사 코리안파워파트너스 유압식 풍력발전 시스템

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CN104204513B (zh) 2017-07-07
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KR20130109413A (ko) 2013-10-08

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