SPEED MANAGEMENT OF A WIND TURBINE WHEN SWITCHING ELECTRICAL CONFIGURATIONS
To efficiently nm a wind turbine in varying wind speeds, the wind turbine may be configured to switch between two different electrical configurations that offer different efficiencies depending on wind speed. For example, a star configuration may be preferred during low wind speeds while a delta con...
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| creator | KUMAR SINGH, Arvishwa ZAIB, Ali CHRISTENSEN, Poul Brandt HOULIND JENSEN, Michael MØLGAARD HVIID KNUDSEN, Rasmus SOLEIMANZADEH, Maryam KJÆR, Martin Ansbjerg KOLDKJÆR, Peter SØRENSEN, Martin Møller |
| description | To efficiently nm a wind turbine in varying wind speeds, the wind turbine may be configured to switch between two different electrical configurations that offer different efficiencies depending on wind speed. For example, a star configuration may be preferred during low wind speeds while a delta configuration is preferred for high wind speeds. Before switching, the power output by the turbine's generator may be driven to zero. Doing so, however, removes load from the rotor blades which cause the rotor speed to increase. Instead, the rotor speed may be controlled such that the speed stays at or above the speed of the rotor immediately before the generator power is ramped down. Maintaining rotor speed at or slightly above the current speed while switching between electrical configurations may mitigate the torque change experienced by the turbine and reduce the likelihood of structural failure. |
| format | Patent |
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For example, a star configuration may be preferred during low wind speeds while a delta configuration is preferred for high wind speeds. Before switching, the power output by the turbine's generator may be driven to zero. Doing so, however, removes load from the rotor blades which cause the rotor speed to increase. Instead, the rotor speed may be controlled such that the speed stays at or above the speed of the rotor immediately before the generator power is ramped down. Maintaining rotor speed at or slightly above the current speed while switching between electrical configurations may mitigate the torque change experienced by the turbine and reduce the likelihood of structural failure.</description><language>eng ; fre ; ger</language><subject>BLASTING ; CONTROLLING ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; HEATING ; INDEXING SCHEME RELATING TO MACHINES OR ENGINES OTHER THANNON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, TO WIND MOTORS,TO NON-POSITIVE DISPLACEMENT PUMPS, AND TO GENERATING COMBUSTIONPRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY ; INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 ; LIGHTING ; MACHINES OR ENGINES FOR LIQUIDS ; MECHANICAL ENGINEERING ; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR ; PHYSICS ; PRODUCING MECHANICAL POWER ; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION ; REGULATING ; SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE ; WEAPONS ; WIND MOTORS ; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS</subject><creationdate>2016</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=20160713&DB=EPODOC&CC=EP&NR=3042075A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20160713&DB=EPODOC&CC=EP&NR=3042075A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KUMAR SINGH, Arvishwa</creatorcontrib><creatorcontrib>ZAIB, Ali</creatorcontrib><creatorcontrib>CHRISTENSEN, Poul Brandt</creatorcontrib><creatorcontrib>HOULIND JENSEN, Michael</creatorcontrib><creatorcontrib>MØLGAARD HVIID KNUDSEN, Rasmus</creatorcontrib><creatorcontrib>SOLEIMANZADEH, Maryam</creatorcontrib><creatorcontrib>KJÆR, Martin Ansbjerg</creatorcontrib><creatorcontrib>KOLDKJÆR, Peter</creatorcontrib><creatorcontrib>SØRENSEN, Martin Møller</creatorcontrib><title>SPEED MANAGEMENT OF A WIND TURBINE WHEN SWITCHING ELECTRICAL CONFIGURATIONS</title><description>To efficiently nm a wind turbine in varying wind speeds, the wind turbine may be configured to switch between two different electrical configurations that offer different efficiencies depending on wind speed. For example, a star configuration may be preferred during low wind speeds while a delta configuration is preferred for high wind speeds. Before switching, the power output by the turbine's generator may be driven to zero. Doing so, however, removes load from the rotor blades which cause the rotor speed to increase. Instead, the rotor speed may be controlled such that the speed stays at or above the speed of the rotor immediately before the generator power is ramped down. Maintaining rotor speed at or slightly above the current speed while switching between electrical configurations may mitigate the torque change experienced by the turbine and reduce the likelihood of structural failure.</description><subject>BLASTING</subject><subject>CONTROLLING</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>HEATING</subject><subject>INDEXING SCHEME RELATING TO MACHINES OR ENGINES OTHER THANNON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, TO WIND MOTORS,TO NON-POSITIVE DISPLACEMENT PUMPS, AND TO GENERATING COMBUSTIONPRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY</subject><subject>INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04</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>PHYSICS</subject><subject>PRODUCING MECHANICAL POWER</subject><subject>REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION</subject><subject>REGULATING</subject><subject>SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><subject>WEAPONS</subject><subject>WIND MOTORS</subject><subject>WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2016</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNy7EKwjAQgOEsDqK-w72AUK3ifE0v6WF7KUlKxlIkTqKF-v7o4AM4_cv3r9U19EQ1dChoqSOJ4AwgJJYa4uArFoLUkEBIHHXDYoFa0tGzxha0E8N28BjZSdiq1X16LHn360aBoe-0z_NrzMs83fIzv0fqy-J0LC5nPJR_kA8kuC04</recordid><startdate>20160713</startdate><enddate>20160713</enddate><creator>KUMAR SINGH, Arvishwa</creator><creator>ZAIB, Ali</creator><creator>CHRISTENSEN, Poul Brandt</creator><creator>HOULIND JENSEN, Michael</creator><creator>MØLGAARD HVIID KNUDSEN, Rasmus</creator><creator>SOLEIMANZADEH, Maryam</creator><creator>KJÆR, Martin Ansbjerg</creator><creator>KOLDKJÆR, Peter</creator><creator>SØRENSEN, Martin Møller</creator><scope>EVB</scope></search><sort><creationdate>20160713</creationdate><title>SPEED MANAGEMENT OF A WIND TURBINE WHEN SWITCHING ELECTRICAL CONFIGURATIONS</title><author>KUMAR SINGH, Arvishwa ; ZAIB, Ali ; CHRISTENSEN, Poul Brandt ; HOULIND JENSEN, Michael ; MØLGAARD HVIID KNUDSEN, Rasmus ; SOLEIMANZADEH, Maryam ; KJÆR, Martin Ansbjerg ; KOLDKJÆR, Peter ; SØRENSEN, Martin Møller</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3042075A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2016</creationdate><topic>BLASTING</topic><topic>CONTROLLING</topic><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>HEATING</topic><topic>INDEXING SCHEME RELATING TO MACHINES OR ENGINES OTHER THANNON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, TO WIND MOTORS,TO NON-POSITIVE DISPLACEMENT PUMPS, AND TO GENERATING COMBUSTIONPRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY</topic><topic>INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04</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>PHYSICS</topic><topic>PRODUCING MECHANICAL POWER</topic><topic>REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION</topic><topic>REGULATING</topic><topic>SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</topic><topic>WEAPONS</topic><topic>WIND MOTORS</topic><topic>WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS</topic><toplevel>online_resources</toplevel><creatorcontrib>KUMAR SINGH, Arvishwa</creatorcontrib><creatorcontrib>ZAIB, Ali</creatorcontrib><creatorcontrib>CHRISTENSEN, Poul Brandt</creatorcontrib><creatorcontrib>HOULIND JENSEN, Michael</creatorcontrib><creatorcontrib>MØLGAARD HVIID KNUDSEN, Rasmus</creatorcontrib><creatorcontrib>SOLEIMANZADEH, Maryam</creatorcontrib><creatorcontrib>KJÆR, Martin Ansbjerg</creatorcontrib><creatorcontrib>KOLDKJÆR, Peter</creatorcontrib><creatorcontrib>SØRENSEN, Martin Møller</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KUMAR SINGH, Arvishwa</au><au>ZAIB, Ali</au><au>CHRISTENSEN, Poul Brandt</au><au>HOULIND JENSEN, Michael</au><au>MØLGAARD HVIID KNUDSEN, Rasmus</au><au>SOLEIMANZADEH, Maryam</au><au>KJÆR, Martin Ansbjerg</au><au>KOLDKJÆR, Peter</au><au>SØRENSEN, Martin Møller</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SPEED MANAGEMENT OF A WIND TURBINE WHEN SWITCHING ELECTRICAL CONFIGURATIONS</title><date>2016-07-13</date><risdate>2016</risdate><abstract>To efficiently nm a wind turbine in varying wind speeds, the wind turbine may be configured to switch between two different electrical configurations that offer different efficiencies depending on wind speed. For example, a star configuration may be preferred during low wind speeds while a delta configuration is preferred for high wind speeds. Before switching, the power output by the turbine's generator may be driven to zero. Doing so, however, removes load from the rotor blades which cause the rotor speed to increase. Instead, the rotor speed may be controlled such that the speed stays at or above the speed of the rotor immediately before the generator power is ramped down. Maintaining rotor speed at or slightly above the current speed while switching between electrical configurations may mitigate the torque change experienced by the turbine and reduce the likelihood of structural failure.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING CONTROLLING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING INDEXING SCHEME RELATING TO MACHINES OR ENGINES OTHER THANNON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, TO WIND MOTORS,TO NON-POSITIVE DISPLACEMENT PUMPS, AND TO GENERATING COMBUSTIONPRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PHYSICS PRODUCING MECHANICAL POWER REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION REGULATING SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS WIND MOTORS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS |
| title | SPEED MANAGEMENT OF A WIND TURBINE WHEN SWITCHING ELECTRICAL CONFIGURATIONS |
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