DK200701144A - Monitoring of blade frequencies of a wind turbine - Google Patents
Monitoring of blade frequencies of a wind turbine Download PDFInfo
- Publication number
- DK200701144A DK200701144A DK200701144A DKPA200701144A DK200701144A DK 200701144 A DK200701144 A DK 200701144A DK 200701144 A DK200701144 A DK 200701144A DK PA200701144 A DKPA200701144 A DK PA200701144A DK 200701144 A DK200701144 A DK 200701144A
- Authority
- DK
- Denmark
- Prior art keywords
- hub
- frequency
- wind turbine
- signals
- blade
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0224—Process history based detection method, e.g. whereby history implies the availability of large amounts of data
- G05B23/0227—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions
- G05B23/0237—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions based on parallel systems, e.g. comparing signals produced at the same time by same type systems and detect faulty ones by noticing differences among their responses
-
- 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
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
- G01H1/003—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines
- G01H1/006—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines of the rotor of turbo machines
-
- 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
- F05B2270/807—Accelerometers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Claims (8)
1. En fremgangsmåde til overvågning af en vindmølles (1) vingefrekvenser bestående af et tårn (2), en nacelle (3), et nav (4) og en eller flere roterende vinger (5), kendetegnet ved et accelerometer (6) fastgjort til navet (4) som registrerer vibrationerne af navet (4) i to eller flere retninger (xrot, Yi Zrot) t fremgangsmåden omfatter trinene: - Modulering af de registrerede signaler eller vibrationer fra accelerometeret (6) ved anvendelse af et roterende nav eller vinge vinkel azimut signal (Φ), - Uddragning af vingefrekvenser ved anvendelse af en Fast Fourier Transformation (FFT eller DFFT) eller en Phase Locked Loop oscillation (PLL, 7) på de modulerede accelerometer signaler.
2. En fremgangsmåde ifølge krav 1, kendetegnet ved yderligere at indeholde en sensor som registrerer de roterende nav eller vinge vinkel azimut signaler (Φ).
3. En fremgangsmåde ifølge ethvert af krav 1 og 2, kendetegnet ved at omfatte et yderligere trin til at beregne en ny frekvens for hver vinge ved at sammenligne hver enkelt vingefrekvens med de andre vingefrekvenser og bruge denne sammenligning til at beregne ændringen i hver vingefrekvens.
4. En fremgangsmåde ifølge ethvert af krav 1 og 2, kendetegnet ved at omfatte et yderligere trin til at beregne en ny frekvens for hver vinge baseret på differensen mellem hver vinge frekvens.
5. En fremgangsmåde ifølge krav 3 eller 4, der er kendetegnet ved yderligere at omfatte trin til at sætte en alarm og/eller standse vindmøllen (1), når den nye beregnede frekvens når op på et vist niveau.
6. Et overvågningssystem som overvåger en vindmølles (1) vingefrekvenser indeholdende et tårn (2), en nacelle (3), et nav (4) og en eller flere roterende vinger (5), kendetegnet ved et accelerometer (6) fastgjort til navet (4) som registrerer vibrationerne af navet (4) i to eller flere retninger (xrot, Yt zrot) > et registreret roterende nav eller vinge vinkel azimut signal (Φ) fra en sensor eller en Phase Locked Loop (PLL ) enhed (7), en styreenhed eller beregningsenhed med input fra de overvågede signaler, styreenheden eller beregningsenheden indeholdende en modulationsenhed, der modulerer de registrerede signaler ved anvendelse af et roterende nav eller vinge vinkel azimut signal (Φ), en Fast Fourier Transformation (FFT eller DFFT) enhed eller en Phase Locked Loop oscillations (PLL) enhed {7}, som uddrager hver vingefrekvens fra det modulerede signal.
7. Et overvågningssystem ifølge krav 6, kendetegnet ved, at Phase Locked Loop (PLL) enheden (7) har et eller flere input fra accelerometeret (6) og med det roterende nav eller vinge vinkel azimut signal (Φ) eller/og et vinkelfrekvens signal (ω) som output til styreenheden eller beregningsenheden.
8. Et overvågningssystem ifølge 6 eller 7, der er kendetegnet ved yderligere at omfatte en alarm enhed i styreenheden, som sætter en alarm og/eller standser vindmøllen (1), når ændringen af en eller flere vingefrekvenser når et vist niveau.
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK200701144A DK200701144A (da) | 2007-08-13 | 2007-08-13 | Monitoring of blade frequencies of a wind turbine |
US12/672,532 US8039981B2 (en) | 2007-08-13 | 2008-08-07 | Monitoring of blade frequencies of a wind turbine |
CA2696189A CA2696189A1 (en) | 2007-08-13 | 2008-08-07 | Monitoring of blade frequencies of a wind turbine |
PCT/EP2008/060385 WO2009021900A1 (en) | 2007-08-13 | 2008-08-07 | Monitoring of blade frequencies of a wind turbine |
ES08786984T ES2368584T3 (es) | 2007-08-13 | 2008-08-07 | Monitorización de frecuencias de pala de una turbina eólica. |
AT08786984T ATE514985T1 (de) | 2007-08-13 | 2008-08-07 | Überwachung der schaufelfrequenzen einer windturbine |
DK08786984.8T DK2179337T3 (da) | 2007-08-13 | 2008-08-07 | Overvågning af en vindturbines bladfrekvens |
EP08786984A EP2179337B1 (en) | 2007-08-13 | 2008-08-07 | Monitoring of blade frequencies of a wind turbine |
CN2008801033378A CN101779170B (zh) | 2007-08-13 | 2008-08-07 | 风力涡轮机叶片频率的监控 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK200701144A DK200701144A (da) | 2007-08-13 | 2007-08-13 | Monitoring of blade frequencies of a wind turbine |
DK200701144 | 2007-08-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
DK200701144A true DK200701144A (da) | 2009-02-14 |
Family
ID=39811497
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK200701144A DK200701144A (da) | 2007-08-13 | 2007-08-13 | Monitoring of blade frequencies of a wind turbine |
DK08786984.8T DK2179337T3 (da) | 2007-08-13 | 2008-08-07 | Overvågning af en vindturbines bladfrekvens |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK08786984.8T DK2179337T3 (da) | 2007-08-13 | 2008-08-07 | Overvågning af en vindturbines bladfrekvens |
Country Status (8)
Country | Link |
---|---|
US (1) | US8039981B2 (da) |
EP (1) | EP2179337B1 (da) |
CN (1) | CN101779170B (da) |
AT (1) | ATE514985T1 (da) |
CA (1) | CA2696189A1 (da) |
DK (2) | DK200701144A (da) |
ES (1) | ES2368584T3 (da) |
WO (1) | WO2009021900A1 (da) |
Families Citing this family (41)
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DK179081B1 (da) * | 2007-06-25 | 2017-10-16 | Siemens Wind Power As | Overvågning af en vindmølles vingefrekvenser |
DK2103915T3 (da) * | 2008-03-17 | 2017-02-20 | Siemens Ag | Indretning og fremgangsmåde til bestemmelse af en resonansfrekvens af et vindmølletårn |
AU2010220551B2 (en) * | 2009-03-02 | 2013-10-10 | Suzlon Energy Gmbh | Method for monitoring wind turbines |
DK2354541T3 (da) * | 2010-01-20 | 2014-10-20 | Siemens Ag | Vindparkeffektstyring på basis af en matriks, som viser en effektbelastningsfordeling mellem individuelle vindmøller |
EP2365215B1 (en) * | 2010-03-10 | 2012-12-12 | Siemens Aktiengesellschaft | Rotational speed control of a wind turbine based on rotor acceleration |
GB2479923A (en) * | 2010-04-29 | 2011-11-02 | Vestas Wind Sys As | A method and system for detecting angular deflection in a wind turbine blade, or component, or between wind turbine components |
EP2431605A1 (en) * | 2010-09-21 | 2012-03-21 | Siemens Aktiengesellschaft | A method of and a device for determining a characteristic blade frequency of a wind turbine rotor, and a method of operating a wind turbine |
DE102010053523B4 (de) * | 2010-12-04 | 2015-09-10 | Nordex Energy Gmbh | Verfahren zur Überwachung einer statischen und/oder dynamischen Stabilität einer Windenergieanlage |
EP2472238A1 (en) * | 2010-12-29 | 2012-07-04 | Siemens Aktiengesellschaft | Determination of a vibrational frequency of a wind turbine rotor blade with a sensor device being placed at a structural component being assigned to and/or being part of the rotor |
US20120257967A1 (en) | 2011-04-05 | 2012-10-11 | Per Egedal | Method and controller for generating a blade pitch angle control signal and wind turbine comprising the controller |
ES2398051B1 (es) * | 2011-06-28 | 2014-09-05 | Gamesa Innovation & Technology S.L. | Un método para la identificación de la frecuencia principal del tren de potencia de un aerogenerador. |
JP5680526B2 (ja) * | 2011-12-28 | 2015-03-04 | 三菱重工業株式会社 | 風力発電用風車の衝撃荷重監視システム及び衝撃荷重監視方法 |
EP2618002B1 (en) * | 2012-01-17 | 2016-05-04 | ABB Technology Oy | Method for detecting the correct rotational direction of a centrifugal apparatus, and a centrifugal apparatus assembly |
FR2986864B1 (fr) * | 2012-02-14 | 2014-02-28 | Snecma | Methode de mesure de la deformation d'une aube de turbomachine au cours du fonctionnement de la turbomachine |
EP2690286A1 (en) * | 2012-07-23 | 2014-01-29 | Siemens Aktiengesellschaft | Monitoring arrangement |
US10649424B2 (en) | 2013-03-04 | 2020-05-12 | Fisher-Rosemount Systems, Inc. | Distributed industrial performance monitoring and analytics |
US10223327B2 (en) | 2013-03-14 | 2019-03-05 | Fisher-Rosemount Systems, Inc. | Collecting and delivering data to a big data machine in a process control system |
US10282676B2 (en) | 2014-10-06 | 2019-05-07 | Fisher-Rosemount Systems, Inc. | Automatic signal processing-based learning in a process plant |
US10386827B2 (en) | 2013-03-04 | 2019-08-20 | Fisher-Rosemount Systems, Inc. | Distributed industrial performance monitoring and analytics platform |
US9558220B2 (en) | 2013-03-04 | 2017-01-31 | Fisher-Rosemount Systems, Inc. | Big data in process control systems |
US10678225B2 (en) | 2013-03-04 | 2020-06-09 | Fisher-Rosemount Systems, Inc. | Data analytic services for distributed industrial performance monitoring |
US10909137B2 (en) | 2014-10-06 | 2021-02-02 | Fisher-Rosemount Systems, Inc. | Streaming data for analytics in process control systems |
US9665088B2 (en) | 2014-01-31 | 2017-05-30 | Fisher-Rosemount Systems, Inc. | Managing big data in process control systems |
US10866952B2 (en) | 2013-03-04 | 2020-12-15 | Fisher-Rosemount Systems, Inc. | Source-independent queries in distributed industrial system |
US10649449B2 (en) | 2013-03-04 | 2020-05-12 | Fisher-Rosemount Systems, Inc. | Distributed industrial performance monitoring and analytics |
EP3200131A1 (en) | 2013-03-15 | 2017-08-02 | Fisher-Rosemount Systems, Inc. | Data modeling studio |
US11112925B2 (en) | 2013-03-15 | 2021-09-07 | Fisher-Rosemount Systems, Inc. | Supervisor engine for process control |
US9606234B2 (en) | 2013-10-18 | 2017-03-28 | Tramontane Technologies, Inc. | Amplified optical circuit |
DE102013221401A1 (de) * | 2013-10-22 | 2015-04-23 | Robert Bosch Gmbh | Verfahren zur Erkennung einer Zustandsänderung einer Anlage |
EP2940440A1 (en) * | 2014-04-30 | 2015-11-04 | Bombardier Transportation GmbH | Identification of the presence of a potentially damaging resonant vibration state of a mechanical device |
US10168691B2 (en) | 2014-10-06 | 2019-01-01 | Fisher-Rosemount Systems, Inc. | Data pipeline for process control system analytics |
DK178840B1 (en) * | 2015-08-19 | 2017-03-20 | Scada Int Aps | Fremgangsmåde til detektion af en anomali i et vindmølleblad |
DK3384154T3 (da) | 2015-12-04 | 2021-01-25 | Envision Energy Denmark Aps | En vindturbine og en fremgangsmåde til styring af en vindturbine til reduktion af kantvise svingninger |
US10503483B2 (en) | 2016-02-12 | 2019-12-10 | Fisher-Rosemount Systems, Inc. | Rule builder in a process control network |
US10539119B2 (en) | 2017-07-10 | 2020-01-21 | WindESCo, Inc. | System and method for augmenting control of a wind turbine assembly |
DE102018112825A1 (de) * | 2018-05-29 | 2019-12-05 | fos4X GmbH | Sensoranordnung für eine Windkraftanlage |
DE102019114930B3 (de) | 2019-06-04 | 2020-06-25 | Voith Patent Gmbh | Verfahren und Anordnung zur Überwachung von Anlagen |
CN113007036A (zh) * | 2019-12-20 | 2021-06-22 | 新疆金风科技股份有限公司 | 风力发电机组的叶轮方位角的测量装置、方法及*** |
CN113090458B (zh) * | 2019-12-23 | 2022-04-15 | 江苏金风科技有限公司 | 叶片控制方法和***、控制器及计算机可读存储介质 |
CN113847212B (zh) * | 2021-10-29 | 2023-05-02 | 中国华能集团清洁能源技术研究院有限公司 | 一种风电机组叶片固有频率监测方法 |
CN114777913B (zh) * | 2022-04-28 | 2024-06-07 | 西安热工研究院有限公司 | 一种风机叶片状态监测的预警方法及*** |
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US4379678A (en) * | 1980-10-07 | 1983-04-12 | Textron, Inc. | Individual blade control |
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DE102004051843B4 (de) * | 2004-10-25 | 2006-09-28 | Repower Systems Ag | Windenergieanlage und Verfahren zur automatischen Korrektur von Windfahnenfehleinstellungen |
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DK1956375T3 (da) * | 2006-03-15 | 2011-03-14 | Siemens Ag | Vindmølle og fremgangsmåde til bestemmelse af i det mindste en rotationsparameter for en vindmøllerotor |
GB2442719A (en) * | 2006-10-10 | 2008-04-16 | Iti Scotland Ltd | Wave and wind power generation system |
GB2442718A (en) * | 2006-10-10 | 2008-04-16 | Iti Scotland Ltd | Wave and wind power generation system |
DK179081B1 (da) * | 2007-06-25 | 2017-10-16 | Siemens Wind Power As | Overvågning af en vindmølles vingefrekvenser |
DK200701456A (da) * | 2007-10-09 | 2009-04-10 | Siemens Wind Power As | Overvågning af en vindmölles vingefrekvenser |
ES2723877T3 (es) * | 2007-11-15 | 2019-09-03 | Siemens Gamesa Renewable Energy Innovation & Technology SL | Método y sistema para el funcionamiento de un aerogenerador |
US20090232635A1 (en) * | 2008-03-12 | 2009-09-17 | General Electric Company | Independent sensing system for wind turbines |
US20100140936A1 (en) * | 2008-12-23 | 2010-06-10 | General Electric Company | Wind turbine with gps load control |
DE102009005516A1 (de) * | 2009-01-20 | 2010-07-22 | Repower Systems Ag | Motorbelastungsreduktion bei einer Windenenergieanlage |
US7987067B2 (en) * | 2010-03-26 | 2011-07-26 | General Electric Company | Method and apparatus for optimizing wind turbine operation |
-
2007
- 2007-08-13 DK DK200701144A patent/DK200701144A/da not_active Application Discontinuation
-
2008
- 2008-08-07 CN CN2008801033378A patent/CN101779170B/zh not_active Expired - Fee Related
- 2008-08-07 EP EP08786984A patent/EP2179337B1/en not_active Not-in-force
- 2008-08-07 DK DK08786984.8T patent/DK2179337T3/da active
- 2008-08-07 CA CA2696189A patent/CA2696189A1/en not_active Abandoned
- 2008-08-07 AT AT08786984T patent/ATE514985T1/de not_active IP Right Cessation
- 2008-08-07 WO PCT/EP2008/060385 patent/WO2009021900A1/en active Application Filing
- 2008-08-07 ES ES08786984T patent/ES2368584T3/es active Active
- 2008-08-07 US US12/672,532 patent/US8039981B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DK2179337T3 (da) | 2011-10-10 |
CN101779170B (zh) | 2013-01-16 |
US20110148110A1 (en) | 2011-06-23 |
WO2009021900A1 (en) | 2009-02-19 |
ATE514985T1 (de) | 2011-07-15 |
EP2179337B1 (en) | 2011-06-29 |
EP2179337A1 (en) | 2010-04-28 |
CN101779170A (zh) | 2010-07-14 |
ES2368584T3 (es) | 2011-11-18 |
CA2696189A1 (en) | 2009-02-19 |
US8039981B2 (en) | 2011-10-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PHB | Application deemed withdrawn due to non-payment or other reasons |
Effective date: 20140831 |