CN207715282U - Reversely hung Yong wave energy generating set - Google Patents

Reversely hung Yong wave energy generating set Download PDF

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Publication number
CN207715282U
CN207715282U CN201721725416.5U CN201721725416U CN207715282U CN 207715282 U CN207715282 U CN 207715282U CN 201721725416 U CN201721725416 U CN 201721725416U CN 207715282 U CN207715282 U CN 207715282U
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wave energy
wave
capture
boost
power
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CN201721725416.5U
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梁玉昊
褚晓广
董同乐
李向东
刘文蓉
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Qufu Normal University
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Qufu Normal University
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    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/727—Offshore wind turbines
    • 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
    • Y02E10/76—Power conversion electric or electronic aspects

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  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Wind Motors (AREA)

Abstract

The utility model discloses a kind of reversely hung Yong wave energy generating sets, reversely hung Yong is mounted on offshore wind powder tower platform, wave energy is captured using cylinder float, by crank-bar linkage and speed-changing wheel disc raising speed, driving linear electric generator mover power generation, by non-controllable rectification and wave energy capture BOOST current transformer duty ratios adjustment, damping force and spring force suffered by dynamic regulation cylinder float promote wave energy and capture power；DSP28035 main control units are according to the wave frequencies and wave height of 16 comprehensive extractions of Sensors on Data Buoy, and the generated output power based on voltage-current sensor actual measurement, online regulation and control realize that highest wave can capture, the reversely hung Yong installation of the utility model and wave energy BOOST current transformers regulate and control method, wave energy capture power is greatly improved, installation and the maintenance cost of equipment are reduced.

Description

Reversely hung Yong wave energy generating set
Technical field
The utility model discloses a kind of reversely hung Yong wave energy generating sets, hang upside down and are mounted on offshore wind farm pylon platform On, be it is a kind of be applied to extensive ocean, Effective Regulation offshore wind farm output-power fluctuation, be remote island, coastal region and Passing steamer provides the novel power generation device of firm energy.
Background technology
With the getting worse of world energy sources crisis and environmental pollution, the new energy such as wind-power electricity generation, wave energy generally by Countries in the world are favored, and China is also bright in " national marine economy planning and development outline " and " energy development " 13 " planning " It really proposes to accelerate marine resources development, pushes energy resource structure upgrading.For wave energy as clean energy resource, the sea amount of containing is big, has become For the important research direction of various countries scientific research personnel, the research and development of wave-energy power generation equipment at present and trial-production have achieved very fast development, The especially sea snake wave power device of Britain and the Power-Buoy in the U.S. has all been plunged into the commercial sea successful application, but the pass of wave energy conversion Button apparatus slips into seawater, the high salinity of seawater and hyperbaric environment, easily causes equipment to corrode and distort so that wave energy captures Leakproofness, material stiffness and the corrosion resistance of equipment etc. it is more demanding, greatly increase equipment production, installation and Maintenance cost reduces wave energy capture device service life；Since wave energy capture device is fully submerged in water, wave energy is caught The capture basic point for obtaining equipment fluctuates with wave and is changed, while because it uses the energy storage devices such as hydraulic pressure or compressed air to wave The damping force and spring force of energy acquisition equipment implement regulation and control, have serious hysteresis quality, constrain the efficient capture and wave of wave energy The real useization of wave energy generating set.
Utility model content
The technical assignment of the utility model is deficiency in view of the above technology, a kind of reversely hung Yong wave-energy power generation dress of proposition It sets.
The technical scheme in the invention for solving the above technical problem is：Reversely hung Yong wave energy generating set, it is special Sign is that reversely hung Yong is mounted on offshore wind powder tower platform, including cylinder float, crank-bar linkage I, speed change lubrication groove, change Fast foreign steamer, crank-bar linkage II, linear electric generator, float hawser, brake, power regulation unit, 16 Sensors on Data Buoy and DSP28035 main control units；For the cylinder float under wave buoyancy and exciting force effect, vertical up-or-down movement captures wave Energy；The crank-bar linkage I, speed change lubrication groove, speed change foreign steamer and crank-bar linkage II constitute gear, by the low of cylinder float Fast movement lifts are the high-speed motion of linear motor rotor；The linear electric generator includes permanent magnet mover and Wound-rotor type stator, Mover is in bore of stator medium-high speed sports；Cylinder float flexible fastening is inhibited cylinder float level by the float hawser Displacement；The brake is the brake safe protective device of wave energy subsystem, and cylinder float position and infiltration are latched in braking Volume；The power regulation unit includes the non-controllable rectifier of three-phase, wave energy capture BOOST current transformers, BOOST boosting unsteady flows Device and voltage-current sensor, the non-controllable rectifier of three-phase is by linear generating machine stator three-phase alternating current rectification, the wave Wave can capture the anti-electromagnetic force of BOOST current transformer on-line tuning linear electric generators, maximum capture wave energy, and the BOOST boostings become Depressor couples wave energy capture BOOST current transformers output boosting, the electricity with the DC bus of offshore wind power system Piezoelectricity flow sensor is placed on rear side of wave energy capture BOOST current transformers, in line computation linear electric generator actual acquisition work( Rate；16 Sensors on Data Buoy are to include the wave characteristics parameter extraction of accelerometer, gyroscope and gsm wireless module to set It is standby, it is uniformly placed on the excircle centered on Oversea wind pylon platform for 22.5 degree by interval, comprehensive Detection and Extraction wave Unrestrained characteristic parameter；The DSP28035 main control units are comprehensive to summarize wave height, wave frequencies, output DC voltage and electric current Signal completes the capture of wave energy maximum and boosting and the coupling and remittance of wave energy generating set and offshore wind farm DC bus Stream.
The advantageous effect that the utility model is brought is：
1) wave-power device is projecting mounted on offshore wind farm pylon platform lower end, integrated application wave energy generating set The fast feature of power regulation dynamic speed, stabilizes the fluctuation of offshore wind farm output power, significant increase offshore wind farm output electricity The reliability and power supply quality of energy.
2) wave energy generating set reversely hung Yong is mounted on wind power generation stepped body panel lower end, stabilizes wave subsystem and catches Basic point is obtained, improves wave energy capture rat, while generating equipment greatly reduces equipment to leakproofness and material far from seawater The requirement of rigidity, improves service life of equipment, reduces the installation and maintenance cost of equipment.
3) BOOST current transformers dynamic regulation capture device damping force and spring force are used, wave energy capture control is improved Real-time processed, while the synthesis optimal, capture method for stablizing optimization, capture control disturbance optimizing is controlled based on capture, greatly disappear In addition to changing the influence to wave energy optimal, capture power because of measurement error and model parameter, greatly improves wave energy and catch Obtain efficiency.
Description of the drawings
Fig. 1 reversely hung Yong wave energy generating sets are installed and internal structure chart.
Fig. 2 reversely hung Yong wave energy generating set power control structure figures.
Fig. 3 reversely hung Yong wave energy generating set optimal, capture method schematics.
Figure label explanation：1. fan blade, 2. pylons, 3. fan engine rooms, 4. fixing bolts, 5. pylon platforms, 6. mouse Cage supporting rack, 7. float hawsers, 8. cylinder floats, 9. power regulation units, 10. cable through-holes, 11. linear electric generators are fixed Son, 12. linear electric generator movers, 13. crank-bar linkages II, 14. speed change foreign steamers, 15. speed change lubrication grooves, 16. crank-bar linkages I, 17. systems Dynamic device, 18. wind energy PWM rectifiers, 19. three-phases can not control rectifier, 20. wave energies capture BOOST current transformers, 21.BOOST liters Volage current transformer, 22. voltage sensors, 23. current sensors, 24. stormy waves junction direct current busbares, 25. sending end station current transformers, 26.DSP28035 main control units, 27. Sensors on Data Buoy.
Variable declaration：M cylinder float quality, n linear motor stator electric umber of turns, total conductor number in N straight-line electric troughs, B average field strengths, L stator slot inner wire effective lengths, RsLinear motor internal resistance, ρ densities of sea water, g acceleration of gravity, s circles Cylinder float floor space, UdcWave energy captures BOOST current transformer output voltages, kdcNon-controllable rectification coefficient, FWExciting force, A waves Unrestrained height, ω wave frequencies, x cylinder float displacements,Cylinder float speed,Cylinder float acceleration, d wave energies Capture BOOST current transformer duty ratios, k1Optimal damping parameter, k2Optimal Spring parameter, P (k) k moment wave-energy power generation power, P (k+1) k+1 moment wave-energy power generations power, Δ k1Damping parameter adjusting step, Δ k2Spring parameter adjusting step, G cylinders are floating Son dead weight, FfBuoyancy suffered by cylinder float, FdThe anti-electromagnetic force of linear motor.
Specific implementation mode
The utility model is further illustrated with example below in conjunction with the accompanying drawings.
The reversely hung Yong wave energy generating set that the utility model is announced includes cylinder float 8, crank-bar linkage I 16, becomes Fast lubrication groove 15, speed change foreign steamer 14, crank-bar linkage II 13, linear motor rotor 12, linear motor stator electric 11, float hawser 7, braking Device 17, power regulation unit 9 (including the non-controllable rectifier 19 of three-phase, wave energy capture BOOST current transformers 20 and BOOST liters Volage current transformer 21), voltage sensor 22, current sensor 23, disturbance junction direct current busbar 24, sending end station current transformer 25, 26,16 Sensors on Data Buoy 27 of DSP28035 main control units.
The real-time comprehensive acquisition wave height A of 16 Sensors on Data Buoy 27 and wave frequencies ω signals, are delivered to DSP28035 main control units 26；DSP28035 main control units 26 change according to optimal, capture method, real-time monitoring optimization capture parameter Become the anti-electromagnetic force of linear motor；Cylinder float 8 is under the action of wave force and linear electric generator anti-electromagnetic force, with optimal velocity Vertical movement up and down, it is motor-driven through crank-bar linkage I 16, speed change lubrication groove 15, speed change foreign steamer 14 and crank-bar linkage II 13 driving straight-line electric Sub 12 high-speed motions, 11 cutting magnetic line of linear motor stator electric export alternating current, and output alternating current is through the non-controllable rectifier of three-phase 19 rectifications are direct current, are delivered to wave energy capture BOOST current transformers 20 and carry out duty ratio modulation, direct current passes through after modulation BOOST booster converters 21 boost, and are delivered to disturbance junction direct current busbar 24；The confluence stormy waves power generation of disturbance junction direct current busbar 24 Total electric energy, through sending end station current transformer 25 boosting after, be delivered to flexible direct current power grid.
DSP28035 main control units 26 regulate and control the anti-electromagnetic force of linear electric generator, implement the specific steps of optimal, capture method For：
Step 1, it builds and is inputted in order to control with 20 duty ratio d of wave energy capture BOOST current transformers, including cylinder float is certainly Buoyancy F suffered by weight G, cylinder floatfAnd linear electric generator electromagnetic force FdWave energy generating set dynamic model
Step 2, adoption status feedback transmitter design wave energy power generator controller inputs
Step 3, step 2 is controlled in input substitution step 1 dynamic model and is obtained 8 speed of cylinder float can be obtained by carrying out the conversion of the domains s to above formula
Step 4, according to linear electric generator maximum effective output, the condition of linear electric generator maximum wind power extract can be obtained For：k1=nNB2L2/Rs, k2=m ω2-ρgs；
Step 5, by wave height A, wave frequencies ω, linear motor internal resistance Rs, non-controllable rectification coefficient kdcIt is substituting to step K in rapid 41And k2In, the capture controller that can must optimize, DSP28035 main control units 26 are adjusted according to the capture controller of optimization Whole 20 duty ratio of wave energy capture BOOST current transformers, measures the voltage sensor on rear side of the BOOST current transformers of wave energy capture at this time 22 and current sensor 23, calculate linear electric generator output power P (k)；
Step 6, in optimal control parameter k1And k2On the basis of, with step delta k1With Δ k2Dynamic adjustment k1And k2, and be based on Wave energy captures the voltage sensor 22 and current sensor 23 of 20 rear side of BOOST current transformers, calculates generator after adjustment in real time Output power P (k+1), as P (k+1)>P (k), the equidirectional adjustment of control parameter；As P (k+1)<P (k), then controller parameter is anti- Direction adjusts, until P (k+1)=P (k), to obtain wave energy optimal, capture control parameter.

Claims (1)

1. a kind of reversely hung Yong wave energy generating set, which is characterized in that reversely hung Yong is mounted on offshore wind powder tower platform, Including cylinder float, crank-bar linkage I, speed change lubrication groove, speed change foreign steamer, crank-bar linkage II, linear electric generator, float hawser, system Dynamic device, power regulation unit, 16 Sensors on Data Buoy and DSP28035 main control units；The cylinder float is floating in wave Under power and exciting force effect, move up and down capture wave energy；The crank-bar linkage I, speed change lubrication groove, speed change foreign steamer and crank-bar linkage II constitutes gear, and the low-speed motion of cylinder float is promoted to the high-speed motion of linear electric generator；The linear generating Machine includes permanent magnet mover and Wound-rotor type stator, and mover is in bore of stator medium-high speed sports；The float hawser floats cylinder Elastic fixation inhibits cylinder float level displacement；The brake is the brake safe protective device of wave energy subsystem, Cylinder float position and infiltration volume are latched in braking；The power regulation unit includes the non-controllable rectifier of three-phase, wave energy Capture BOOST current transformers, BOOST booster converters and voltage-current sensor, the non-controllable rectifier of three-phase is by straight line Generator unit stator three-phase alternating current rectification, the wave energy capture the anti-electromagnetic force of BOOST current transformer on-line tuning linear electric generators, most Big capture wave energy, the BOOST step-up transformers boost wave energy capture BOOST current transformers output, and and Oversea wind The DC bus of electricity generation system couples, and the voltage-current sensor is placed on rear side of wave energy capture BOOST current transformers, is used for In line computation linear electric generator actual acquisition power；16 Sensors on Data Buoy be include accelerometer, gyroscope and GSM without The wave characteristics parameter extraction equipment of wire module is uniformly placed on centered on Oversea wind pylon platform for 22.5 degree by interval On excircle, comprehensive Detection and Extraction wave characteristics parameter；Wave height, wave of the DSP28035 main control units according to acquisition Unrestrained frequency, output DC voltage and current signal complete the capture of wave energy maximum, boosting and wave energy generating set and sea The coupling of wind power direct current busbar is converged.
CN201721725416.5U 2017-12-13 2017-12-13 Reversely hung Yong wave energy generating set Active CN207715282U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111681510A (en) * 2020-06-23 2020-09-18 刘俊芳 Magnetic induction phenomenon demonstration device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111681510A (en) * 2020-06-23 2020-09-18 刘俊芳 Magnetic induction phenomenon demonstration device

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