METHOD AND SYSTEM FOR DETECTION AND MITIGATION OF EDGE-WISE VIBRATIONS IN WIND TURBINE BLADES
A method for detecting and reducing edgewise vibrations in a rotor blade of a wind turbine includes, for a given wind speed, determining a frequency or frequency band at which edgewise vibrations are producible in the rotor blade. The method determines an electrical characteristic of the pitch actua...
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| creator | Honnette, Aaron David Angel, Mathew Doyle Concha Flores, Carlos Alberto Yarbrough, Aaron |
| description | A method for detecting and reducing edgewise vibrations in a rotor blade of a wind turbine includes, for a given wind speed, determining a frequency or frequency band at which edgewise vibrations are producible in the rotor blade. The method determines an electrical characteristic of the pitch actuator that correlates to an increased torque required to hold a pitch angle of the rotor blade constant at the frequency or frequency band. During an operational power-production mode of the wind turbine, the electrical characteristic of the pitch actuator is monitored. Upon the electrical characteristic reaching a predefined limit value indicative of edgewise vibrations in the rotor blade, corrective action is initiated by the wind turbine controller to reduce or prevent the edgewise vibrations. |
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The method determines an electrical characteristic of the pitch actuator that correlates to an increased torque required to hold a pitch angle of the rotor blade constant at the frequency or frequency band. During an operational power-production mode of the wind turbine, the electrical characteristic of the pitch actuator is monitored. Upon the electrical characteristic reaching a predefined limit value indicative of edgewise vibrations in the rotor blade, corrective action is initiated by the wind turbine controller to reduce or prevent the edgewise vibrations.</description><language>eng ; fre ; ger</language><subject>BLASTING ; HEATING ; LIGHTING ; MACHINES OR ENGINES FOR LIQUIDS ; MECHANICAL ENGINEERING ; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR ; PRODUCING MECHANICAL POWER ; WEAPONS ; WIND MOTORS ; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS</subject><creationdate>2024</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240327&DB=EPODOC&CC=EP&NR=4343143A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240327&DB=EPODOC&CC=EP&NR=4343143A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Honnette, Aaron David</creatorcontrib><creatorcontrib>Angel, Mathew Doyle</creatorcontrib><creatorcontrib>Concha Flores, Carlos Alberto</creatorcontrib><creatorcontrib>Yarbrough, Aaron</creatorcontrib><title>METHOD AND SYSTEM FOR DETECTION AND MITIGATION OF EDGE-WISE VIBRATIONS IN WIND TURBINE BLADES</title><description>A method for detecting and reducing edgewise vibrations in a rotor blade of a wind turbine includes, for a given wind speed, determining a frequency or frequency band at which edgewise vibrations are producible in the rotor blade. 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Upon the electrical characteristic reaching a predefined limit value indicative of edgewise vibrations in the rotor blade, corrective action is initiated by the wind turbine controller to reduce or prevent the edgewise vibrations.</description><subject>BLASTING</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES FOR LIQUIDS</subject><subject>MECHANICAL ENGINEERING</subject><subject>OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR</subject><subject>PRODUCING MECHANICAL POWER</subject><subject>WEAPONS</subject><subject>WIND MOTORS</subject><subject>WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNikEKwjAQRbtxIeod5gJdlOQCSTNpB0wiyWjpQkqRuBIt1PujBA_g6vHff9vq6pD7YEB5A2lMjA5siGCQsWUKvhyOmDpVZrCApsN6oIRwIR2LTkAeBvqmfI6aPII-KoNpX23u82PNhx93FVjktq_z8pryusy3_MzvCU9SSNFIoRrxR_IBXQ0x3A</recordid><startdate>20240327</startdate><enddate>20240327</enddate><creator>Honnette, Aaron David</creator><creator>Angel, Mathew Doyle</creator><creator>Concha Flores, Carlos Alberto</creator><creator>Yarbrough, Aaron</creator><scope>EVB</scope></search><sort><creationdate>20240327</creationdate><title>METHOD AND SYSTEM FOR DETECTION AND MITIGATION OF EDGE-WISE VIBRATIONS IN WIND TURBINE BLADES</title><author>Honnette, Aaron David ; Angel, Mathew Doyle ; Concha Flores, Carlos Alberto ; Yarbrough, Aaron</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP4343143A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2024</creationdate><topic>BLASTING</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MACHINES OR ENGINES FOR LIQUIDS</topic><topic>MECHANICAL ENGINEERING</topic><topic>OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR</topic><topic>PRODUCING MECHANICAL POWER</topic><topic>WEAPONS</topic><topic>WIND MOTORS</topic><topic>WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS</topic><toplevel>online_resources</toplevel><creatorcontrib>Honnette, Aaron David</creatorcontrib><creatorcontrib>Angel, Mathew Doyle</creatorcontrib><creatorcontrib>Concha Flores, Carlos Alberto</creatorcontrib><creatorcontrib>Yarbrough, Aaron</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Honnette, Aaron David</au><au>Angel, Mathew Doyle</au><au>Concha Flores, Carlos Alberto</au><au>Yarbrough, Aaron</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD AND SYSTEM FOR DETECTION AND MITIGATION OF EDGE-WISE VIBRATIONS IN WIND TURBINE BLADES</title><date>2024-03-27</date><risdate>2024</risdate><abstract>A method for detecting and reducing edgewise vibrations in a rotor blade of a wind turbine includes, for a given wind speed, determining a frequency or frequency band at which edgewise vibrations are producible in the rotor blade. The method determines an electrical characteristic of the pitch actuator that correlates to an increased torque required to hold a pitch angle of the rotor blade constant at the frequency or frequency band. During an operational power-production mode of the wind turbine, the electrical characteristic of the pitch actuator is monitored. Upon the electrical characteristic reaching a predefined limit value indicative of edgewise vibrations in the rotor blade, corrective action is initiated by the wind turbine controller to reduce or prevent the edgewise vibrations.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PRODUCING MECHANICAL POWER WEAPONS WIND MOTORS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS |
| title | METHOD AND SYSTEM FOR DETECTION AND MITIGATION OF EDGE-WISE VIBRATIONS IN WIND TURBINE BLADES |
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