Evaluation of Dynamic Thrust under Wind Shear in Wind Turbine above Rated Wind Speed

The present invention relates to a thrust dynamic load modeling method and system of a wind turbine by wind shear at a rated wind speed or more, which can simply and quickly model a thrust variation for wind shear. More specifically, the thrust dynamic load modeling system of a wind turbine at a rat...

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description The present invention relates to a thrust dynamic load modeling method and system of a wind turbine by wind shear at a rated wind speed or more, which can simply and quickly model a thrust variation for wind shear. More specifically, the thrust dynamic load modeling system of a wind turbine at a rated wind speed or more comprises: a thrust calculation unit which calculates a thrust value of a wind turbine blade when there is no wind shear; a wind shear thrust variation acquisition unit which acquires a thrust value changing by wind shear; a wind shear thrust variation coefficient calculation unit which calculates a wind shear thrust variation coefficient, which is a function of an azimuth angle and a pitch angle, based on the thrust value calculated by the thrust calculation unit and the thrust value acquired from the wind shear thrust variation acquisition unit; a database which databases the wind shear thrust variation coefficient; and a blade thrust modeling unit which models a dynamic load by a thrust variation generated in each blade by wind shear at a rated wind speed or more by using the azimuth angle and the pitch angle of the wind turbine, the thrust value calculated from the thrust calculation unit, and the wind shear thrust variation coefficient stored in the database. 본 발명은 본 발명은 정격풍속 이상에서 윈드쉬어에 의한 풍력터빈의 추력 동하중 모델링 방법 및 시스템에 관한 것으로, 보다 상세하게는 정격풍속 이상에서 풍력터빈의 추력 동하중 모델링 시스템에 있어서, 윈드쉬어가 없을 때의 풍력터빈 블레이드의 추력값을 연산하는 추력연산부; 윈드쉬어에 의해 변동하는 추력값을 획득하는 윈드쉬어 추력변동획득부; 상기 추력연산부에서 연산된 추력값과, 상기 윈드쉬어 추력변동획득부에서 획득된 추력값을 기반으로 방위각과 피치각의 함수인 윈드쉬어 추력변동계수를 연산하는 윈드쉬어 추력변동계수 연산부; 상기 윈드쉬어 추력변동계수를 데이터베이스화하는 데이터베이스; 및 풍력터빈의 방위각과, 피치각과, 상기 추력연산부에서 연산된 추력값과, 상기 데이터베이스에 저장된 윈드쉬어 추력변동계수를 이용하여 정격풍속 이상에서 윈드쉬어에 의해 각 블레이드에 발생되는 추력변동에 의한 동하중을 모델링하는 블레이드 추력 모델링부;를 포함하는 것을 특징으로 하는 정격풍속 이상에서 윈드쉬어에 의한 풍력터빈의 추력 동하중 모델링 시스템에 관한 것이다.
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fullrecord <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_KR20230019671A</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>KR20230019671A</sourcerecordid><originalsourceid>FETCH-epo_espacenet_KR20230019671A3</originalsourceid><addsrcrecordid>eNrjZAhxLUvMKU0syczPU8hPU3CpzEvMzUxWCMkoKi0uUSjNS0ktUgjPzEtRCM5ITSxSyMyD8EJKi5Iy81IVEpPyy1IVghJLUlOgygpSU1N4GFjTEnOKU3mhNDeDsptriLOHbmpBfnxqcUFicmpeakm8d5CRgZGxgYGhpZm5oaMxcaoA3As4Vg</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>Evaluation of Dynamic Thrust under Wind Shear in Wind Turbine above Rated Wind Speed</title><source>esp@cenet</source><creator>LIM CHAE WOOK</creator><creatorcontrib>LIM CHAE WOOK</creatorcontrib><description>The present invention relates to a thrust dynamic load modeling method and system of a wind turbine by wind shear at a rated wind speed or more, which can simply and quickly model a thrust variation for wind shear. More specifically, the thrust dynamic load modeling system of a wind turbine at a rated wind speed or more comprises: a thrust calculation unit which calculates a thrust value of a wind turbine blade when there is no wind shear; a wind shear thrust variation acquisition unit which acquires a thrust value changing by wind shear; a wind shear thrust variation coefficient calculation unit which calculates a wind shear thrust variation coefficient, which is a function of an azimuth angle and a pitch angle, based on the thrust value calculated by the thrust calculation unit and the thrust value acquired from the wind shear thrust variation acquisition unit; a database which databases the wind shear thrust variation coefficient; and a blade thrust modeling unit which models a dynamic load by a thrust variation generated in each blade by wind shear at a rated wind speed or more by using the azimuth angle and the pitch angle of the wind turbine, the thrust value calculated from the thrust calculation unit, and the wind shear thrust variation coefficient stored in the database. 본 발명은 본 발명은 정격풍속 이상에서 윈드쉬어에 의한 풍력터빈의 추력 동하중 모델링 방법 및 시스템에 관한 것으로, 보다 상세하게는 정격풍속 이상에서 풍력터빈의 추력 동하중 모델링 시스템에 있어서, 윈드쉬어가 없을 때의 풍력터빈 블레이드의 추력값을 연산하는 추력연산부; 윈드쉬어에 의해 변동하는 추력값을 획득하는 윈드쉬어 추력변동획득부; 상기 추력연산부에서 연산된 추력값과, 상기 윈드쉬어 추력변동획득부에서 획득된 추력값을 기반으로 방위각과 피치각의 함수인 윈드쉬어 추력변동계수를 연산하는 윈드쉬어 추력변동계수 연산부; 상기 윈드쉬어 추력변동계수를 데이터베이스화하는 데이터베이스; 및 풍력터빈의 방위각과, 피치각과, 상기 추력연산부에서 연산된 추력값과, 상기 데이터베이스에 저장된 윈드쉬어 추력변동계수를 이용하여 정격풍속 이상에서 윈드쉬어에 의해 각 블레이드에 발생되는 추력변동에 의한 동하중을 모델링하는 블레이드 추력 모델링부;를 포함하는 것을 특징으로 하는 정격풍속 이상에서 윈드쉬어에 의한 풍력터빈의 추력 동하중 모델링 시스템에 관한 것이다.</description><language>eng ; kor</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>2023</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&amp;date=20230209&amp;DB=EPODOC&amp;CC=KR&amp;NR=20230019671A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20230209&amp;DB=EPODOC&amp;CC=KR&amp;NR=20230019671A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LIM CHAE WOOK</creatorcontrib><title>Evaluation of Dynamic Thrust under Wind Shear in Wind Turbine above Rated Wind Speed</title><description>The present invention relates to a thrust dynamic load modeling method and system of a wind turbine by wind shear at a rated wind speed or more, which can simply and quickly model a thrust variation for wind shear. More specifically, the thrust dynamic load modeling system of a wind turbine at a rated wind speed or more comprises: a thrust calculation unit which calculates a thrust value of a wind turbine blade when there is no wind shear; a wind shear thrust variation acquisition unit which acquires a thrust value changing by wind shear; a wind shear thrust variation coefficient calculation unit which calculates a wind shear thrust variation coefficient, which is a function of an azimuth angle and a pitch angle, based on the thrust value calculated by the thrust calculation unit and the thrust value acquired from the wind shear thrust variation acquisition unit; a database which databases the wind shear thrust variation coefficient; and a blade thrust modeling unit which models a dynamic load by a thrust variation generated in each blade by wind shear at a rated wind speed or more by using the azimuth angle and the pitch angle of the wind turbine, the thrust value calculated from the thrust calculation unit, and the wind shear thrust variation coefficient stored in the database. 본 발명은 본 발명은 정격풍속 이상에서 윈드쉬어에 의한 풍력터빈의 추력 동하중 모델링 방법 및 시스템에 관한 것으로, 보다 상세하게는 정격풍속 이상에서 풍력터빈의 추력 동하중 모델링 시스템에 있어서, 윈드쉬어가 없을 때의 풍력터빈 블레이드의 추력값을 연산하는 추력연산부; 윈드쉬어에 의해 변동하는 추력값을 획득하는 윈드쉬어 추력변동획득부; 상기 추력연산부에서 연산된 추력값과, 상기 윈드쉬어 추력변동획득부에서 획득된 추력값을 기반으로 방위각과 피치각의 함수인 윈드쉬어 추력변동계수를 연산하는 윈드쉬어 추력변동계수 연산부; 상기 윈드쉬어 추력변동계수를 데이터베이스화하는 데이터베이스; 및 풍력터빈의 방위각과, 피치각과, 상기 추력연산부에서 연산된 추력값과, 상기 데이터베이스에 저장된 윈드쉬어 추력변동계수를 이용하여 정격풍속 이상에서 윈드쉬어에 의해 각 블레이드에 발생되는 추력변동에 의한 동하중을 모델링하는 블레이드 추력 모델링부;를 포함하는 것을 특징으로 하는 정격풍속 이상에서 윈드쉬어에 의한 풍력터빈의 추력 동하중 모델링 시스템에 관한 것이다.</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>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZAhxLUvMKU0syczPU8hPU3CpzEvMzUxWCMkoKi0uUSjNS0ktUgjPzEtRCM5ITSxSyMyD8EJKi5Iy81IVEpPyy1IVghJLUlOgygpSU1N4GFjTEnOKU3mhNDeDsptriLOHbmpBfnxqcUFicmpeakm8d5CRgZGxgYGhpZm5oaMxcaoA3As4Vg</recordid><startdate>20230209</startdate><enddate>20230209</enddate><creator>LIM CHAE WOOK</creator><scope>EVB</scope></search><sort><creationdate>20230209</creationdate><title>Evaluation of Dynamic Thrust under Wind Shear in Wind Turbine above Rated Wind Speed</title><author>LIM CHAE WOOK</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_KR20230019671A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; kor</language><creationdate>2023</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>LIM CHAE WOOK</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LIM CHAE WOOK</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Evaluation of Dynamic Thrust under Wind Shear in Wind Turbine above Rated Wind Speed</title><date>2023-02-09</date><risdate>2023</risdate><abstract>The present invention relates to a thrust dynamic load modeling method and system of a wind turbine by wind shear at a rated wind speed or more, which can simply and quickly model a thrust variation for wind shear. More specifically, the thrust dynamic load modeling system of a wind turbine at a rated wind speed or more comprises: a thrust calculation unit which calculates a thrust value of a wind turbine blade when there is no wind shear; a wind shear thrust variation acquisition unit which acquires a thrust value changing by wind shear; a wind shear thrust variation coefficient calculation unit which calculates a wind shear thrust variation coefficient, which is a function of an azimuth angle and a pitch angle, based on the thrust value calculated by the thrust calculation unit and the thrust value acquired from the wind shear thrust variation acquisition unit; a database which databases the wind shear thrust variation coefficient; and a blade thrust modeling unit which models a dynamic load by a thrust variation generated in each blade by wind shear at a rated wind speed or more by using the azimuth angle and the pitch angle of the wind turbine, the thrust value calculated from the thrust calculation unit, and the wind shear thrust variation coefficient stored in the database. 본 발명은 본 발명은 정격풍속 이상에서 윈드쉬어에 의한 풍력터빈의 추력 동하중 모델링 방법 및 시스템에 관한 것으로, 보다 상세하게는 정격풍속 이상에서 풍력터빈의 추력 동하중 모델링 시스템에 있어서, 윈드쉬어가 없을 때의 풍력터빈 블레이드의 추력값을 연산하는 추력연산부; 윈드쉬어에 의해 변동하는 추력값을 획득하는 윈드쉬어 추력변동획득부; 상기 추력연산부에서 연산된 추력값과, 상기 윈드쉬어 추력변동획득부에서 획득된 추력값을 기반으로 방위각과 피치각의 함수인 윈드쉬어 추력변동계수를 연산하는 윈드쉬어 추력변동계수 연산부; 상기 윈드쉬어 추력변동계수를 데이터베이스화하는 데이터베이스; 및 풍력터빈의 방위각과, 피치각과, 상기 추력연산부에서 연산된 추력값과, 상기 데이터베이스에 저장된 윈드쉬어 추력변동계수를 이용하여 정격풍속 이상에서 윈드쉬어에 의해 각 블레이드에 발생되는 추력변동에 의한 동하중을 모델링하는 블레이드 추력 모델링부;를 포함하는 것을 특징으로 하는 정격풍속 이상에서 윈드쉬어에 의한 풍력터빈의 추력 동하중 모델링 시스템에 관한 것이다.</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 Evaluation of Dynamic Thrust under Wind Shear in Wind Turbine above Rated Wind Speed
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