DK178952B1 - Fremgangsmåder og systemer til detektering af en beskadigelse af vindmøllerotorvingen - Google Patents

Fremgangsmåder og systemer til detektering af en beskadigelse af vindmøllerotorvingen Download PDF

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Publication number
DK178952B1
DK178952B1 DKPA201470500A DKPA201470500A DK178952B1 DK 178952 B1 DK178952 B1 DK 178952B1 DK PA201470500 A DKPA201470500 A DK PA201470500A DK PA201470500 A DKPA201470500 A DK PA201470500A DK 178952 B1 DK178952 B1 DK 178952B1
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DK
Denmark
Prior art keywords
wind turbine
rotor
frequency component
signal
damage
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DKPA201470500A
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English (en)
Inventor
Leonardo Cesar Kammer
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Gen Electric
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Publication of DK201470500A1 publication Critical patent/DK201470500A1/da
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Publication of DK178952B1 publication Critical patent/DK178952B1/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
    • F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
    • 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
    • F05B2260/80—Diagnostics
    • 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

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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)

Claims (9)

1. Overvagningssystem (58) til detektering af en beskadigelse af en rotorvin-ge (24) pa en vindmolle (10), hvilket overvagningssystem (58) omfatter: - et filtermodul (108), som er konfigureret til at bestemme en amplitude af en 1 P-frekvenskomponent af mindst en driftstilstand for vindmollen; og - et beskadigelsesbestemmelsesmodul (112), som er konfigureret til at sammenligne den bestemte 1 P-frekvenskomponentamplitude med en taerskeMP-frekvenskomponentamplitude, - hvor den mindst ene driftstilstand for vindmollen omfatter mindst en af rotorhastighed og elektrisk effekt fra generatoren associeret med vindmollen.
2. System ifolge krav 1, hvor beskadigelsesbestemmelsesmodulet (112) desuden er konfigureret til at bestemme, at der er en beskadigelse af mindst en rotorvinge (24) pa vindmollen (10), nar den bestemte 1P-frekvenskomponentamplitude er storre end taerskeMP-frekvenskomponentamplituden.
3. System ifolge krav 2, hvor beskadigelsesbestemmelsesmodulet (112) desuden er konfigureret til at sende et alarmsignal om uregelmaessigheder ved bestemmelse af en beskadigelse af mindst en rotorvinge (24) pa vind-mollen (10).
4. System ifolge et hvilket som helst af kravene 1-3, yderligere omfattende et beregningsmodul (104), som er kommunikationsmaessigt tilkoblet filtermodu-let (108), hvilket beregningsmodul er konfigureret til: - at modtage et signal, der viser en maling af den mindst ene driftstilstand, fra en sensor (52, 54, 56); og - at sende signalet, der viser den mindst ene driftstilstand, til filtermodu-let (108).
5. System ifolge krav 4, hvor filtermodulet omfatter et faseslast loop (PLL)-filter eller et variabelt bandpasfilter.
6. Fremgangsmade til detektering af en beskadigelse af en rotorvinge (24) pê en vindmolle (10), hvilken fremgangsmade omfatter: - at bestemme en amplitude af en 1 P-frekvenskomponent af mindst en driftstilstand for vindmollen ved anvendelse af et filtermodul (108); og - at sammenligne den bestemte 1P-frekvenskomponentamplitude med en taerskel-1 P-frekvenskomponentamplitude, - hvor den mindst ene driftstilstand for vindmollen omfatter mindst en af rotorhastighed og elektrisk effekt fra generatoren associeret med vindmollen.
7. Fremgangsmade ifolge krav 6, yderligere omfattende bestemmelse af, at der er en beskadigelse af mindst en rotorvinge (24) pa vindmollen (10), nêr den bestemte 1 P-frekvenskomponentamplitude er storre end taerskel-1 P-frekvenskomponentamplituden.
8. Fremgangsmade ifolge et hvilket som helst af kravene 6-7, hvor filtermo-dulet (108) indeholder en faselêst loop (PLL), hvilken fremgangsmade yderligere omfatter: - at modtage mindst et signal (102) om driftstilstanden; - at modtage et rotor-(14)-azitmutvinkel-malesignal; - at filtrere et hvilket som helst signal, der har en frekvens, som er storre end en forudbestemt afskaeringsfrekvens; og - at bestemme en absolut storrelse af udsving i den mindst ene driftstilstand af 1P-frekvenskomponenten.
9. Fremgangsmêde ifolge et hvilket som helst af kravene 6-7, hvor filtermo-dulet (108) indeholder et variabelt bêndpasfilter (190, 300), hvilken fremgangsmade yderligere omfatter: - at modtage signalet (102) om den mindst ene driftstilstand; - at modtage et hastighedsmêlesignal fra rotoren (14); og at filtrere signalet om den mindst ene driftstilstand til et forudbestemt fre-kvensomrade relateret til rotorhastigheden.
DKPA201470500A 2013-08-19 2014-08-19 Fremgangsmåder og systemer til detektering af en beskadigelse af vindmøllerotorvingen DK178952B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201313970181 2013-08-19
US13/970,181 US10371123B2 (en) 2013-08-19 2013-08-19 Methods and systems for detecting wind turbine rotor blade damage

Publications (2)

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DK201470500A1 DK201470500A1 (en) 2015-03-02
DK178952B1 true DK178952B1 (da) 2017-06-26

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US (1) US10371123B2 (da)
CA (1) CA2858702C (da)
DE (1) DE102014111841A1 (da)
DK (1) DK178952B1 (da)

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US10156224B2 (en) * 2015-03-13 2018-12-18 General Electric Company System and method for controlling a wind turbine
AT14997U1 (de) * 2015-03-26 2016-10-15 Uptime Holding Gmbh Verfahren zur Ermittlung einer Blattverstellung bei einer Windkraftanlage
DE102016000930B4 (de) * 2015-09-04 2024-07-18 Dehn Se Verfahren zur Erfassung von Blitzstromparametern an Windenergieanlagen
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US10519929B2 (en) * 2016-11-09 2019-12-31 General Electric Company System and method for minimizing energy loss due to yaw untwist of a wind turbine
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ES2716774A1 (es) * 2017-12-14 2019-06-14 Siemens Gamesa Renewable Energy Innovation & Technology SL Método de control de un aerogenerador y un aerogenerador que comprende unos medios de control configurados para llevar a cabo el método de control
US11225950B2 (en) * 2018-06-15 2022-01-18 Vestas Wind Systems A/S Multirotor wind turbine
US20210108618A1 (en) * 2019-10-11 2021-04-15 The Aes Corporation System and method for determining an operating condition of a wind turbine
CN110685869B (zh) * 2019-11-19 2021-03-23 中国船舶重工集团海装风电股份有限公司 一种风电机组的故障诊断方法、装置及设备
US20230011584A1 (en) * 2019-12-16 2023-01-12 Envision Energy CO.,LTD Method and system for monitoring the health state of blade root fastener
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CN112160867B (zh) * 2020-09-29 2021-08-17 北京金风科创风电设备有限公司 风力发电机组安全链系统、监控方法及变桨控制器

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Also Published As

Publication number Publication date
CA2858702A1 (en) 2015-02-19
DK201470500A1 (en) 2015-03-02
CA2858702C (en) 2021-09-28
US10371123B2 (en) 2019-08-06
US20150050143A1 (en) 2015-02-19
DE102014111841A1 (de) 2015-02-19

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