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WO2013032112A1 - Système et procédé de blocage de rotor pour génératrice éolienne - Google Patents

Système et procédé de blocage de rotor pour génératrice éolienne Download PDF

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Publication number
WO2013032112A1
WO2013032112A1 PCT/KR2012/004207 KR2012004207W WO2013032112A1 WO 2013032112 A1 WO2013032112 A1 WO 2013032112A1 KR 2012004207 W KR2012004207 W KR 2012004207W WO 2013032112 A1 WO2013032112 A1 WO 2013032112A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
unit
low speed
locking
rotation
Prior art date
Application number
PCT/KR2012/004207
Other languages
English (en)
Korean (ko)
Inventor
심필섭
Original Assignee
대우조선해양 주식회사
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
Priority claimed from KR1020110087352A external-priority patent/KR20130024106A/ko
Priority claimed from KR1020110087353A external-priority patent/KR20130024107A/ko
Application filed by 대우조선해양 주식회사 filed Critical 대우조선해양 주식회사
Publication of WO2013032112A1 publication Critical patent/WO2013032112A1/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
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D15/00—Transmission of mechanical power
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D15/00—Transmission of mechanical power
    • F03D15/10—Transmission of mechanical power using gearing not limited to rotary motion, e.g. with oscillating or reciprocating members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • 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
    • F05B2260/30—Retaining components in desired mutual position
    • F05B2260/31—Locking rotor in 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
    • F05B2270/30—Control parameters, e.g. input parameters
    • F05B2270/326—Rotor angle
    • 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

Definitions

  • the present invention relates to a wind generator, and more particularly to a locking system and method of a rotor.
  • a wind generator converts wind energy into mechanical energy to drive power by driving the generator.
  • Wind power generators are environmentally friendly generators, which are simple in structure and simple to install, and are increasing in recent years.
  • the wind generator drives the generator by increasing the rotational speed of the rotor blades in the gearbox to increase the rotational force of the rotor blades to the generator installed in the rear to produce power.
  • the blades of the wind generator are connected to the main shaft via hubs, which form the rotor of the wind generator.
  • the rotor is locked to maintain the wind generator.
  • the wind generator 10 includes a blade 11, a low speed rotating portion 12 connected to the blade 11, a gear box 13 connected to the low speed rotating disk 12, and a gear box 13. It has a high speed rotary unit 17 connected to). Braking devices 15a and 15b are connected to the low speed rotating unit 12 and the high speed rotating unit 17.
  • the rotor hole 12a is provided in the low speed rotation part 12, and the rotor locking device 16 is fitted into the rotor hole 12a to prevent rotation of the rotor.
  • Another object of the present invention is to provide a wind turbine locking system and method that can reduce maintenance time.
  • a rotor lock system of a wind turbine having a rotor locking device for fixing a rotor, the wind turbine comprising a rotor positioning sensor for final confirmation that the rotor is aligned in the locked position
  • a rotor locking system of the generator may be provided.
  • the wind generator has a low speed rotation unit for transmitting the rotation of the blade to the gear unit, the rotor position sensor may determine the position of the low speed rotation unit.
  • the rotor positioning sensor may include a light emitting unit and a light receiving unit corresponding to the light emitting unit, and one of the light emitting unit and the light receiving unit may be rotated together with the rotor.
  • the rotor locking device may have a locking hole provided on the rotating disk, and the rotor positioning sensor may check the rotation position of the rotating disk provided with the locking hole.
  • the rotating disk provided with the locking hole may be rotated together with the low speed rotating shaft which transmits the rotation of the blade to the gear.
  • the wind turbine further includes a low speed rotation unit connected to the blade to transmit the rotational force of the blade to the gear unit, and a high speed rotation unit connected to the gear unit, wherein the rotor locking system includes at least one of the low speed rotation unit and the high speed rotation unit.
  • a rotor angle detection sensor detecting a rotation angle
  • a braking device connected to at least one of the low speed rotating part and the high speed rotating part
  • a power converter connected to the high speed rotating unit and rotating the blade at a low speed using a system power
  • a main controller configured to receive a signal from the rotor angle detection sensor and output a control signal to the power converter and the locking device.
  • the rotor angle detection sensor may be a rotary encoder.
  • the main control device may include a storage unit in which the locked position of the low speed rotation unit is stored.
  • a rotor rotation step of rotating the rotor at low speed by using a system power A lock position alignment step of detecting a rotation angle of the rotor to align the rotor to the locked position; And a locking position checking step of confirming a final locking position of the rotor.
  • FIG. 1 is a view schematically showing a locking method of a rotor conventionally used in a wind generator.
  • FIG. 2 is a view showing a rotor locking system of a wind generator according to an embodiment of the present invention.
  • FIG. 3 is a flowchart illustrating a rotor locking method using the rotor locking system of the wind power generator shown in FIG. 2.
  • FIG. 2 shows a wind generator with a rotor locking system according to one embodiment of the invention.
  • the wind generator 100 includes a blade 110, a low speed rotation unit 120, a gear unit 130, a high speed rotation unit 140, a first braking device 150a, and a second braking.
  • Device 150b rotor locking device 160, first rotor angle detection sensor 170a, second rotor angle detection sensor 170b, rotor positioning sensor 180, and power converter 190 ), And a main control device 195.
  • the blade 110 is connected with the low speed rotation unit 120 to produce mechanical rotational energy from the wind.
  • the feather angle of the blade 110 is controlled by the control signal of the main controller 195.
  • the low speed rotating unit 120 includes a low speed rotating disk 120a and a low speed rotating shaft 120b that passes along the center of the low speed rotating disk 120b and rotates together with the low speed rotating disk 120b.
  • the low speed rotation unit 120 transmits the rotation of the blade 110 to the gear unit 130.
  • the low speed rotating disk 120a rotates with the low speed rotating shaft 120b.
  • the slow rotating disk 120a is provided with a locking hole 121.
  • the rotor locking device 160 may be inserted into the locking hole 121. When the rotor locking device 160 is inserted into the locking hole 121, the rotor maintains the locked state stably.
  • the low speed rotating shaft 120b passes through the center of the low speed rotating disk 120a and rotates with the low speed rotating disk 120a.
  • the low speed rotation shaft 120b rotates together with the blade 110 and transmits the rotation of the blade 110 to the gear unit 130.
  • the first rotor angle detection sensor 170a is installed at the low speed rotation shaft 120b.
  • the gear unit 130 increases the rotation of the low speed rotating unit 120 and transmits the high speed rotating unit 140.
  • the high speed rotating unit 140 means a generator, and the second rotor angle detection sensor 170b is provided together.
  • the first braking device 150a operates to brake the rotation of the low speed rotation unit 120.
  • the first braking device 150a receives a control signal from the main control device 195.
  • the second braking device 150b operates to brake rotation of the high speed rotation unit 140.
  • the second braking device 150b receives a control signal from the main control device 195.
  • the rotor locking device 160 is movable to be inserted into the locking hole 121 provided in the low speed rotating disk 120a. When the rotor locking device 160 is inserted into the locking hole 121, the rotor remains stable. When the rotor locking device 160 is separated from the locking hole 121, the rotor is rotatable. Becomes The rotor lock 160 operates in accordance with an operation signal or a manual signal of the main control device 195.
  • the first rotor angle detection sensor 170a detects the rotation angle of the low speed rotation unit 120.
  • the first rotor angle detection sensor 170a is a rotary encoder.
  • the high speed or low speed rotation angle of the low speed rotation unit 120 detected from the first rotor angle detection sensor 170a is transmitted to the main control device 195.
  • the second rotor angle detection sensor 170b detects a high speed or a low speed rotation angle of the high speed rotation part 140.
  • the second rotor angle detection sensor 170a is described as being a rotary encoder.
  • the rotation angle of the high speed rotation unit 140 detected from the second rotor angle detection sensor 170b is transmitted to the main control device 195.
  • the rotor positioning sensor 180 includes a light receiving unit 181 and a light emitting unit 182.
  • the rotor position sensor 180 confirms that the locking hole 121 provided in the low speed rotating disk 120a is exactly aligned with the position of the rotor locking device 160.
  • the light receiver 181 detects light emitted from the light emitter 182.
  • the light emitter 182 irradiates light for positioning.
  • the signal from the rotor positioning sensor 180 is transmitted to the main control device 195.
  • the power converter 190 basically converts the power generated from the high speed rotating unit 140, which is a generator, into a power suitable for supplying the system to supply the system.
  • the power converter 190 may include an AC / DC converter for converting AC power produced by the generator 140 into DC, a DC link receiving DC power from the AC / DC converter, and a DC link. It is provided with a DC / AC inverter for converting the DC power received from the AC power of the same frequency as the system and outputs.
  • the power converter 190 functions to slowly rotate the rotor using a power source of the system during the rotor lock operation.
  • the power converter 190 receives a control signal from the main control device 195.
  • the main controller 195 receives signals from the first and second rotor angle detection sensors 170a and 170b and outputs control signals to the power converter 190, the rotor lock 160, and the blade 110. do.
  • the main control unit 195 includes a storage unit in which the position of the locking hole 121 is stored.
  • the main control unit 195 outputs a control signal to the first and second braking devices 150a and 150b and the power converter 190 during the rotor lock operation to rotate the rotor at a low speed using a power supply of the system.
  • the angle of the rotor is input to the main control unit 195 and monitored through the first and second rotor angle detection sensors 170a and 170b, and the locking hole 121 is the rotor locking device ( 160 to stop the rotation of the rotor.
  • the main control device 195 confirms that the lock hole 121 and the rotor lock device 160 are aligned at the same position through the rotor position sensor 180, the main control device 195 sends a signal to the rotor lock device 160.
  • the locking device 160 is inserted into the locking hole 121.
  • the rotor locking method includes a rotor rotation step S10, a lock position alignment step S20, a lock position check step S30, and a lock step S40.
  • the rotor is gradually rotated through the power converter (190 in FIG. 2) using the first and second braking devices (150a and 150b in FIG. 1) and the power supply of the system.
  • the locking holes (121 in FIG. 2) captured from the first and second rotor angle detection sensors (170a and 170b in FIG. 2) are aligned to the position of the rotor locking device (160 in FIG. 2). do.
  • the lock hole (121 of FIG. 2) is accurately confirmed to the rotor locking device (160 of FIG. 2) using the rotor positioning sensor (180 of FIG. 2).
  • the rotor locking device 160 of FIG. 2 is inserted into the rotor hole 121 of FIG. 2.

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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)
  • Wind Motors (AREA)

Abstract

La présente invention concerne une génératrice éolienne, et plus particulièrement un système et procédé de blocage de rotor. Un système de blocage de rotor pour génératrice éolienne selon la présente invention comporte un capteur de contrôle de position du rotor servant à donner une confirmation ultime selon laquelle un rotor est aligné dans une position de verrou d'un système de blocage de rotor pour génératrice éolienne doté d'un dispositif de blocage de rotor servant à bloquer un rotor.
PCT/KR2012/004207 2011-08-30 2012-05-29 Système et procédé de blocage de rotor pour génératrice éolienne WO2013032112A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020110087352A KR20130024106A (ko) 2011-08-30 2011-08-30 풍력 발전기의 로터 잠금을 위한 로터 위치 최종 확인 장치
KR1020110087353A KR20130024107A (ko) 2011-08-30 2011-08-30 풍력 발전기의 로터 잠금 시스템 및 방법
KR10-2011-0087352 2011-08-30
KR10-2011-0087353 2011-08-30

Publications (1)

Publication Number Publication Date
WO2013032112A1 true WO2013032112A1 (fr) 2013-03-07

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Application Number Title Priority Date Filing Date
PCT/KR2012/004207 WO2013032112A1 (fr) 2011-08-30 2012-05-29 Système et procédé de blocage de rotor pour génératrice éolienne

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019128016A1 (fr) * 2017-12-28 2019-07-04 江苏金风科技有限公司 Système et procédé pour la commande d'une broche de verrouillage de rotor de générateur
CN110873021A (zh) * 2018-08-31 2020-03-10 江苏金风科技有限公司 叶轮锁定控制系统、控制方法及风力发电机组
US11384740B2 (en) 2019-10-15 2022-07-12 General Electric Company System and method for locking of a rotor of a wind turbine during extended maintenance

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7397145B2 (en) * 2004-03-19 2008-07-08 S.B. Patent Holding Aps Automatic braking and locking of a wind turbine
KR100934205B1 (ko) * 2007-12-28 2009-12-29 주식회사 효성 풍력 발전기
US20100194114A1 (en) * 2007-06-18 2010-08-05 Suzlon Windkraft Gmbh Locking mechanism for a wind turbine
WO2010102967A2 (fr) * 2009-03-13 2010-09-16 Vestas Wind Systems A/S Verrou de rotor pour éolienne

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7397145B2 (en) * 2004-03-19 2008-07-08 S.B. Patent Holding Aps Automatic braking and locking of a wind turbine
US20100194114A1 (en) * 2007-06-18 2010-08-05 Suzlon Windkraft Gmbh Locking mechanism for a wind turbine
KR100934205B1 (ko) * 2007-12-28 2009-12-29 주식회사 효성 풍력 발전기
WO2010102967A2 (fr) * 2009-03-13 2010-09-16 Vestas Wind Systems A/S Verrou de rotor pour éolienne

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019128016A1 (fr) * 2017-12-28 2019-07-04 江苏金风科技有限公司 Système et procédé pour la commande d'une broche de verrouillage de rotor de générateur
CN109973318A (zh) * 2017-12-28 2019-07-05 江苏金风科技有限公司 发电机转子锁定销的控制系统及方法
US11326580B2 (en) 2017-12-28 2022-05-10 Jiangsu Goldwind Science & Technology Co., Ltd. System and method for controlling generator rotor locking pin
CN110873021A (zh) * 2018-08-31 2020-03-10 江苏金风科技有限公司 叶轮锁定控制系统、控制方法及风力发电机组
US11384740B2 (en) 2019-10-15 2022-07-12 General Electric Company System and method for locking of a rotor of a wind turbine during extended maintenance

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