WO2016152640A1 - Générateur à turbine éolienne - Google Patents

Générateur à turbine éolienne Download PDF

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Publication number
WO2016152640A1
WO2016152640A1 PCT/JP2016/058093 JP2016058093W WO2016152640A1 WO 2016152640 A1 WO2016152640 A1 WO 2016152640A1 JP 2016058093 W JP2016058093 W JP 2016058093W WO 2016152640 A1 WO2016152640 A1 WO 2016152640A1
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WO
WIPO (PCT)
Prior art keywords
wind
motor
amount
wind turbine
electric motor
Prior art date
Application number
PCT/JP2016/058093
Other languages
English (en)
Japanese (ja)
Inventor
鈴木　政彦
Original Assignee
株式会社ベルシオン
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社ベルシオン filed Critical 株式会社ベルシオン
Publication of WO2016152640A1 publication Critical patent/WO2016152640A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • 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
    • F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
    • 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
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/06—Rotors
    • 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
    • F03D7/04—Automatic control; Regulation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • 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
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the 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
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

Definitions

  • the present invention maintains the rated rotational speed of the wind power generator with the rotational force of the electric motor connected to the main shaft of the wind turbine, and stabilizes the increase / decrease change of the torque of the main shaft caused by the wind force received by the rotor by automatically adjusting the extraction current amount.
  • the present invention relates to a wind turbine generator that maintains a rated rotational speed and obtains a stable voltage output.
  • the windmill described in Patent Literature 1 has excellent rotational efficiency and generates little noise. To rotate at high speed, a strong wind is required, but the strong wind does not blow continuously. However, the higher the wind speed, the larger the rotation speed of the windmill, and the difference between the amount of power generation at low wind speeds opens and the fluctuations in voltage and current increase, so it is difficult to obtain stable power continuously. there were.
  • the present invention maintains the rated voltage in a wind power generator by rotating the main shaft at a rated rotational speed by an electric motor, and changes in the torque of the main shaft caused by the lift of the lift-type rotor blades as the rotor of the wind turbine rotates. Is provided by automatically adjusting the take-out current amount to provide a stable voltage.
  • (1) It has a main shaft of a wind power generator, an electric motor that rotates the main shaft, and a controller that automatically adjusts the amount of extraction current by detecting increase / decrease in the load of the electric motor, and by rotating the main shaft at the rated rotational speed by the electric motor,
  • a wind turbine generator that maintains a rated voltage and automatically adjusts the amount of current taken out to increase and decrease changes in torque generated on the main shaft by the lift generated by the lift type blades of the windmill, thereby obtaining a stable voltage output.
  • the wind power generator sets the power generation amount at the start average wind speed and the power consumption of the motor approximately the same, and automatically activates the motor when the start average wind speed is detected by the anemometer.
  • the vertical main shaft of the wind power generator is supported so that the vertical axis rotor rotates horizontally, and the main shaft is rotated by an electric motor. Wind power generator.
  • the rated rotational speed of the generator is maintained by the electric motor regardless of the slow speed of the wind, and a constant voltage can be taken out at all times. Therefore, if the high-speed wind continues, the lift generated by the rotation of the lift-type blades will increase, and the rotational speed and power generation amount of the windmill will increase, so the load on the motor will decrease if the amount of electric power taken is constant. To do. Further, if the lift of the lift-type blade is reduced due to a low wind speed, the rotational speed of the windmill is reduced. Therefore, unless the power generation amount is reduced, the load on the electric motor increases.
  • the load on the motor will decrease, so when a change in the rotation speed of the spindle occurs, the load on the motor is automatically adjusted,
  • a stable voltage can be obtained with less power consumption of a small electric motor. For example, when a flywheel is rotated by an electric motor, energy loss occurs due to rotational resistance. And build up energy.
  • the wind turbine generator described in (2) reduces the amount of current taken out when the load on the motor increases, and increases the amount of current taken out when the load decreases so as to keep the load on the motor constant. Further, by automatically adjusting, the rotational speed of the main shaft of the generator is maintained at the rated rotational speed, and a stable voltage output can be obtained even if the current increases or decreases.
  • the starting average wind speed is detected by the anemometer.
  • the automatic controller automatically starts the motor to generate power, and when the average wind speed falls below the starting average wind speed, the motor is automatically stopped by the automatic controller so that the motor operates effectively. Can be made.
  • the rated rotational speed of the main shaft of the wind power generator rotated by the vertical wind turbine is maintained by the electric motor. Therefore, the vertical wind turbine is efficient in changing the wind direction. It can rotate well and increase power generation efficiency.
  • the rated rotational speed of the main shaft of the wind power generator rotated by the horizontal axis wind turbine is maintained by the electric motor. Therefore, the horizontal axis wind turbine rotates efficiently even at a low wind speed. , Power generation efficiency can be increased.
  • the wind turbine generator described in (6) can switch the automatic input of the motor by remote control, it can easily start and stop even if the motor is in a position where it is difficult to reach. it can.
  • Example 1 of the wind power generator of the present invention. It is a principal part vertical side view of Example 2 of the wind power generator of this invention.
  • FIG. 3 is an enlarged plan view across the line III-III of the lift-type blade in FIG. 2.
  • the wind power generator 1 includes a generator 2 and a windmill 3.
  • the hub 5A of the vertical rotor 5 is fixed to the upper end of the vertical main shaft 4 erected on the generator 2, and the vertical lift type blades 6 () are attached to the tips of a plurality of horizontal support arms 5B supported by the hub 5A. (Hereinafter simply referred to as a blade).
  • the lower end portion of the main shaft 4 is linked to the electric motor 7 via arbitrary transmission means 8A and 8B. That is, the transmission means 8B provided on the output shaft 7C of the speed reducer 7A provided on the electric motor 7 and the transmission means 8A provided on the main shaft 4 are linked via an appropriate linkage means 8C.
  • an automatic control clutch is also used as necessary.
  • the electric motor 7 has, for example, a rated output of 100 w specification, and a reduction gear 7A having a rated rotational speed of, for example, 300 rpm is incorporated therein.
  • a controller 9 and a storage battery 10 are connected to the output cord 2A of the generator 2.
  • the wind power generator 1 described above is installed in a place with good wind conditions, and the main shaft 4 of the generator 2 that supports the wind turbine 3 is rotated at the rated rotational speed by driving by the electric motor 7.
  • the rotation speed of a general electric motor is 2500 rpm to 3000 rpm, if this is reduced to, for example, 300 rpm and the windmill 3 is rotated, the torque acts greatly, so even if the windmill 3 is large, it can be easily Can be rotated.
  • the load on the motor 7 is less than 100w. It becomes. Therefore, the amount of current to be taken out is increased by the action of the controller 9, the load of the electric motor 7 is maintained at 100w, and the battery 10 is charged or consumed.
  • the power generation amount decreases, and if the rated rotational speed of the main shaft 4 rotated by the windmill 3 is maintained at, for example, 300 rpm, the power generation amount of the generator 2 increases and the load on the motor 7 increases. To do.
  • the amount of current taken from the generator 2 is automatically reduced by the action of the controller 9, the rated speed is maintained at, for example, 300 rpm, and output is performed while maintaining a constant voltage.
  • the size of the vertical rotor 5 is 1 m in radius and the lift type blade 6 This corresponds to the value when the wind speed is about 16 m / s, with a length of 2.7 m, wind receiving area of 5.4 m, blade width of 0.5 m, and two blades.
  • the amount of power generated by the generator 2 by the wind turbine 3 rotating at this wind speed is about 6000W. That is, it is possible to generate about 6000 W by the generator 2 by driving the electric motor 7 while consuming 100 W of electric power and rotating the wind power generator 1.
  • the main shaft 4 of the windmill 3 is rotated by the electric motor 7 so that the rated rotational speed is always maintained. Therefore, the increase / decrease change in the torque of the main shaft 4 caused by the rotation of the vertical axis rotor 5 also occurs. By adjusting the increase / decrease in the amount of current to be taken out, the voltage can be made constant and taken out.
  • the rotational speed of the vertical axis rotor 5 gradually increases, and the air outside the rotating lift type blade 6 moves by centrifugal force, Since the inner air is attracted in the outer direction, a negative pressure is generated on the inner side of the rotation trajectory of the lift type blade 6.
  • the wind power generation apparatus 1 is not simply configured to generate power, but by driving the electric motor 7 using external power generated by another method and rotating the wind power generation apparatus 1 to generate power, In addition to storing the surplus of the power generated in step 1 with a reduced loss, new power generation can be continuously performed by the rotational force generated by the lift generated in the lift-type blade 6.
  • the lift type blade 6 in the wind turbine 3 can be fixed to one main shaft 4 in a multilayer shape (for example, as described in JP-A-2005-188468). Further, by making the blade tip portion of the lift-type blade 6 into the inclined portion 6A inclined in the direction of the main shaft 4, it is possible to prevent the airflow from diffusing outward from the blade tip and to improve the rotation efficiency.
  • an automatic wind speed detector 21 is placed next to the generator 2 and when a certain high speed wind is detected by a typhoon or the like, the automatic controller 22 turns off the automatic switch 7B of the motor 7.
  • the electric motor 7 is stopped by operating, and the main shaft 4 is stopped by applying a large load to the generator 2.
  • the automatic wind speed detector 21 detects a wind speed below a certain (average) speed, the load on the generator 2 is automatically released and the automatic switch 7B of the motor 7 is automatically switched by the automatic controller 22. The rotation of the windmill 3 is restored.
  • FIG. 2 is a longitudinal sectional front view of a main part of a wind power generator according to a second embodiment of the present invention.
  • the same parts as those of the previous example are denoted by the same reference numerals and the description thereof is omitted.
  • a horizontal axis wind turbine 13 is used in the second embodiment.
  • a windmill housing 11B is mounted on the upper end of the support 11A so as to be able to turn around a vertical axis 11D.
  • the windmill casing 11B has a large front part and is gradually formed narrower toward the rear end, and a horizontal axis windmill 13 is attached to the rear part.
  • a hub 15A of the horizontal shaft rotor 15 is fixed to the rear end of the main shaft 14 that protrudes rearward horizontally from the generator 12 disposed in the front portion inside the windmill housing 11B.
  • the hub 15A has 2 to 5 lift-type blades 16 mounted in the radial direction. As shown in FIG. 3, the cross section of the lift type blade 16 is formed such that the leading edge 16A is thick and gradually thins from the maximum blade thickness portion 16C to the trailing edge 16B.
  • the front surface 16D of the lift type blade 16 is substantially straight from the leading edge 16A to the trailing edge 16B, but the back surface 16E is gently curved from the maximum blade thickness 16C to the trailing edge 16B.
  • the velocity of the airflow flowing along the back surface 16E becomes faster than the velocity of the airflow flowing along the front surface 16D, and the back surface 16E portion has a negative pressure.
  • An electric motor 17 having a speed reducer is disposed inside the rear portion of the windmill casing 11B, and the rotational force of the output shaft 17C of the electric motor 17 is transmitted to the main shaft 14 via the transmission means 18A and 18B.
  • a controller 19 and a storage battery 20 are housed inside the front portion of the windmill casing 11B, and a cord 12A extending from the generator 12 is connected to the storage battery 20.
  • the cord 20A connected to the storage battery 20 is guided downward through the inside of the column 11A and connected to a storage battery (not shown).
  • the motor 17 is provided with an automatic switch 17B for remote operation in a cord 17A connected to a power source. At the beginning of the start, the switch 17 is turned on by slip ring or wireless remote operation to start the motor 17. .
  • a lightning rod 11C is provided on the upper surface of the windmill housing 11B.
  • the motor 17 causes the main shaft 14 of the wind turbine 13 to rotate at a rated speed, thereby generating lift in the lift-type blade 16 and increasing the rotational speed.
  • the rotational speed is accelerated by the lift.
  • the operation of the controller 19 that automatically adjusts the extraction current amount in order to maintain the rated rotational speed is the same as in the previous example.
  • the motor can rotate the windmill at the rated speed and take out a stable voltage, so that the windmill can be driven not only by wind power generation but also by surplus power obtained by other power generation methods to rotate the windmill. Power generation and storage of surplus power can be performed with reduced loss.

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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)
  • Control Of Eletrric Generators (AREA)

Abstract

La présente invention concerne un générateur à turbine éolienne, la vitesse de rotation nominale d'une turbine éolienne étant maintenue par un moteur électrique, et des fluctuations de couple provoquées par la portance de la pâle de type à portance due à la rotation sont rendues uniformes en ajustant les fluctuations dans la quantité de courant extrait, ce qui permet d'obtenir une tension stable. Ce générateur à turbine éolienne comprend un arbre principal (4), un moteur (7) qui le fait tourner, et un dispositif de commande (9) qui détecte des fluctuations de charge du moteur (7) et ajuste automatiquement la quantité de courant électrique extrait, l'arbre principal (4) étant mis en rotation à une vitesse de moteur nominale par le moteur (7), ce qui permet de maintenir une tension nominale, et les fluctuations de couple générée dans l'arbre principal (4) dues à la portance générée dans la pale de type à portance (6) de la turbine éolienne sont rendues uniformes en ajustant automatiquement la quantité de courant extrait, permettant à une tension stable d'être délivrée en sortie.
PCT/JP2016/058093 2015-03-20 2016-03-15 Générateur à turbine éolienne WO2016152640A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015057572A JP6978825B2 (ja) 2015-03-20 2015-03-20 風力発電装置
JP2015-057572 2015-03-20

Publications (1)

Publication Number Publication Date
WO2016152640A1 true WO2016152640A1 (fr) 2016-09-29

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Application Number Title Priority Date Filing Date
PCT/JP2016/058093 WO2016152640A1 (fr) 2015-03-20 2016-03-15 Générateur à turbine éolienne

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JP (1) JP6978825B2 (fr)
TW (1) TW201641814A (fr)
WO (1) WO2016152640A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021118488A1 (fr) * 2019-12-12 2021-06-17 Yalcin Ahmet Cem Innovation permettant d'augmenter le rendement et la capacité de la production énergétique dans des éoliennes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5183386A (en) * 1988-12-23 1993-02-02 Lewis Feldman Vertical axis sail bladed wind turbine
JP2003314429A (ja) * 2002-04-17 2003-11-06 Energy Products Co Ltd 風力発電機
JP2006118384A (ja) * 2004-10-20 2006-05-11 Fjc:Kk 縦軸風車
JP2013034361A (ja) * 2011-07-29 2013-02-14 National Sun Yat-Sen Univ 風力発電の励磁同期発電システム及びその制御方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008118744A (ja) * 2006-11-01 2008-05-22 Hideo Kawamura 巻線切換え機構と磁束制御機構を備えた風力発電・電動機
TWI488425B (zh) * 2012-07-16 2015-06-11 Univ Nat Sun Yat Sen 風力發電系統及其激磁式同步發電機的控制方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5183386A (en) * 1988-12-23 1993-02-02 Lewis Feldman Vertical axis sail bladed wind turbine
JP2003314429A (ja) * 2002-04-17 2003-11-06 Energy Products Co Ltd 風力発電機
JP2006118384A (ja) * 2004-10-20 2006-05-11 Fjc:Kk 縦軸風車
JP2013034361A (ja) * 2011-07-29 2013-02-14 National Sun Yat-Sen Univ 風力発電の励磁同期発電システム及びその制御方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021118488A1 (fr) * 2019-12-12 2021-06-17 Yalcin Ahmet Cem Innovation permettant d'augmenter le rendement et la capacité de la production énergétique dans des éoliennes

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TW201641814A (zh) 2016-12-01
JP6978825B2 (ja) 2021-12-08
JP2016176414A (ja) 2016-10-06

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