DK2088314T3 - Apparat til overvågning af omdrejningstallet i et vindenergianlæg - Google Patents

Apparat til overvågning af omdrejningstallet i et vindenergianlæg Download PDF

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Publication number
DK2088314T3
DK2088314T3 DK09001016.6T DK09001016T DK2088314T3 DK 2088314 T3 DK2088314 T3 DK 2088314T3 DK 09001016 T DK09001016 T DK 09001016T DK 2088314 T3 DK2088314 T3 DK 2088314T3
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DK
Denmark
Prior art keywords
rpm
shaft
unit
rotational speed
generator
Prior art date
Application number
DK09001016.6T
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English (en)
Inventor
Wolfgang Kabatzke
Original Assignee
Nordex Energy Gmbh
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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Publication date
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Publication of DK2088314T3 publication Critical patent/DK2088314T3/da

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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
    • 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
    • F03D7/042—Automatic control; Regulation by means of an electrical or electronic controller
    • 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
    • F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds
    • 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
    • F05B2260/845—Redundancy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00—Control
    • F05B2270/10—Purpose of the control system
    • F05B2270/101—Purpose of the control system to control rotational speed (n)
    • 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
    • F05B2270/327—Rotor or generator speeds
    • 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
    • F05B2270/80—Devices generating input signals, e.g. transducers, sensors, cameras or strain gauges
    • F05B2270/809—Encoders
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (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)
  • Control Of Eletrric Generators (AREA)

Claims (7)

1. Vindenergianlæg med et apparat til overvågning af et omdrejningstal i vindenergianlægget, og hvor vindenergianlægget har en rotoraksel (14), som drives af en rotor og indmunder i en drivenhed (16), en generatoraksel (22), som forbinder en udgangsaksel i drivenheden (16) med en generator/omformerenhed (24), - en første omdrejningstal-affølingsenhed (26) gældende for rotorakselen (14), og en anden omdrejningstal-affølingsenhed (34) gældende for generatorakselen (22), - og en udnyttelsesenhed (32) for omdrejningstallet, i hvilken nogle målte signaler (28, 30, 36, 36, 38) fra omdrejningstal-affølingsenhederne (26, 34) anvendes, og hvor der, hvis en bestemt maksimalværdi for omdrejningstallet er overskredet, kan frembringes et fejlsignal vedrørende et for højt omdrejningstal, kendetegnet ved, at hver omdrejningstal-affølingsenhed (26, 34) omfatter mindst to uafhængigt af hinanden arbejdende omdrejningstal - følere - og at udnyttelsesenheden (32) for omdrejningstallet i den første omdrejningstal-affølingsenhed (26), idet der tages hensyn til et drevomsætningsforhold, er indrettet til at kunne sammenligne de målte værdier (28, 30, 36, 38) fra den første omdrejningstal-affølingsenhed (26) med de målte værdier fra den anden omdrejningstal-affølingsenhed (34) og - såfremt der foreligger en afvigelse i omdrejningstal-værdien med mere end en forudbestemt tærskelværdi -kan frembringe et fejlsignal for en akselfejl.
2. Vindenergianlæg ifølge krav 1, kendetegnet ved, at udnyttelsesenheden er forbundet med en sikkerhedskæde (44) hørende til en central styreenhed (46) og/eller med en drivmiddel-indkoblingsmulighed (60) i vindenergianlægget.
3. Vindenergianlæg ifølge krav 1 eller 2, kendetegnet ved, at udnyttelsesenheden (32) er således udformet, at den i forbindelse med visse forud bestemte driftstilstande ikke frembringer et fejlsignal i forbindelse med et for højt omdrejningstal og/eller en akselfejl.
4. Vindenergianlæg ifølge et af karvene 1 til 3, kendetegnet ved, at hver omdrejningstal-affølingsenhed (26, 34) har mindst to sendeskiver.
5. Vindenergianlæg ifølge krav 4, kendetegnet ved, at hver omdrejningsføler omfatter en på akselen monteret sendeskive, hvis omdrejning kan konstateres optisk, mekanisk, elektrisk eller magnetisk.
6. Vindenergianlæg ifølge et af kravene 1 til 5, kendetegnet ved, at der som sendeskive er tilvejebragt en fortandet skive, der i det mindste i sine tænders område er overtrukket med en korrosionsbeskyttelse.
7. Vindenergianlæg ifølge et af kravene 1 til 6, kendetegnet ved, at udnyttelsesenheden (32) for omdrejningstallet er således udformet, at den kan videresende en faktisk-værdi for generatorakselens omdrejningstal til en styring for generatoren (14) og/eller til dennes sidstnævntes ensretter.
DK09001016.6T 2008-02-05 2009-01-26 Apparat til overvågning af omdrejningstallet i et vindenergianlæg DK2088314T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008007519A DE102008007519A1 (de) 2008-02-05 2008-02-05 Vorrichtung zur Überwachung der Drehzahl bei einer Windenergieanlage

Publications (1)

Publication Number Publication Date
DK2088314T3 true DK2088314T3 (da) 2015-09-07

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Application Number Title Priority Date Filing Date
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Country Status (6)

Country Link
US (1) US7650786B2 (da)
EP (1) EP2088314B1 (da)
CN (1) CN101504421B (da)
DE (1) DE102008007519A1 (da)
DK (1) DK2088314T3 (da)
ES (1) ES2543818T3 (da)

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Also Published As

Publication number Publication date
US7650786B2 (en) 2010-01-26
CN101504421A (zh) 2009-08-12
DE102008007519A1 (de) 2009-08-13
EP2088314A2 (de) 2009-08-12
CN101504421B (zh) 2012-11-28
ES2543818T3 (es) 2015-08-24
US20090193894A1 (en) 2009-08-06
EP2088314A3 (de) 2011-07-06
EP2088314B1 (de) 2015-06-03

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