Grid-connected joint optimization control system of large-scale doubly-fed wind generator
The invention discloses a grid-connected joint optimization control method of a large-scale doubly-fed wind generator. Real-time control on a rotor magnetic linkage is achieved according to a q-axis control signal given value U*Psiqr of the rotor magnetic linkage and a d-axis control signal given va...
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| creator | LI JUN CHU QINGHE WANG JUNLIANG LIU XINYU XU QI |
| description | The invention discloses a grid-connected joint optimization control method of a large-scale doubly-fed wind generator. Real-time control on a rotor magnetic linkage is achieved according to a q-axis control signal given value U*Psiqr of the rotor magnetic linkage and a d-axis control signal given value U*Psidr of the rotor magnetic linkage, and meanwhile, real-time control on a pitch angle of a wind turbine is achieved according to a given control quantity Beta*ref of the pitch angle of the wind turbine. The invention relates to a grid-connected joint optimization control system of a large-scale doubly-fed wind generator, the system has the advantages that transient stability of a power system can be improved, voltage drop at a stator end of the doubly-fed wind generator during a grid fault can also be greatly reduced, and system stability is ensured. |
| format | Patent |
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Real-time control on a rotor magnetic linkage is achieved according to a q-axis control signal given value U*Psiqr of the rotor magnetic linkage and a d-axis control signal given value U*Psidr of the rotor magnetic linkage, and meanwhile, real-time control on a pitch angle of a wind turbine is achieved according to a given control quantity Beta*ref of the pitch angle of the wind turbine. The invention relates to a grid-connected joint optimization control system of a large-scale doubly-fed wind generator, the system has the advantages that transient stability of a power system can be improved, voltage drop at a stator end of the doubly-fed wind generator during a grid fault can also be greatly reduced, and system stability is ensured.</description><language>chi ; eng</language><subject>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER ; CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS ; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; GENERATION ; SYSTEMS FOR STORING ELECTRIC ENERGY</subject><creationdate>2014</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=20141105&DB=EPODOC&CC=CN&NR=104135207A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20141105&DB=EPODOC&CC=CN&NR=104135207A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LI JUN</creatorcontrib><creatorcontrib>CHU QINGHE</creatorcontrib><creatorcontrib>WANG JUNLIANG</creatorcontrib><creatorcontrib>LIU XINYU</creatorcontrib><creatorcontrib>XU QI</creatorcontrib><title>Grid-connected joint optimization control system of large-scale doubly-fed wind generator</title><description>The invention discloses a grid-connected joint optimization control method of a large-scale doubly-fed wind generator. Real-time control on a rotor magnetic linkage is achieved according to a q-axis control signal given value U*Psiqr of the rotor magnetic linkage and a d-axis control signal given value U*Psidr of the rotor magnetic linkage, and meanwhile, real-time control on a pitch angle of a wind turbine is achieved according to a given control quantity Beta*ref of the pitch angle of the wind turbine. The invention relates to a grid-connected joint optimization control system of a large-scale doubly-fed wind generator, the system has the advantages that transient stability of a power system can be improved, voltage drop at a stator end of the doubly-fed wind generator during a grid fault can also be greatly reduced, and system stability is ensured.</description><subject>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER</subject><subject>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS</subject><subject>CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><subject>SYSTEMS FOR STORING ELECTRIC ENERGY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2014</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNizkOwjAQAN1QIOAPywMsJQREjSKOioqGKlrsTWTkeC17EQqvxwUPoJpiZubqfk7OasMhkBGy8GQXBDiKG90HxXGAIiWxhzxloRG4B49pIJ0NegLLr4efdF_etwsWBgqUUDgt1axHn2n140KtT8dbe9EUuaMc0ZRSuvZaV9u62W2q_aH5p_kCLP47Hg</recordid><startdate>20141105</startdate><enddate>20141105</enddate><creator>LI JUN</creator><creator>CHU QINGHE</creator><creator>WANG JUNLIANG</creator><creator>LIU XINYU</creator><creator>XU QI</creator><scope>EVB</scope></search><sort><creationdate>20141105</creationdate><title>Grid-connected joint optimization control system of large-scale doubly-fed wind generator</title><author>LI JUN ; CHU QINGHE ; WANG JUNLIANG ; LIU XINYU ; XU QI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN104135207A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2014</creationdate><topic>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER</topic><topic>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS</topic><topic>CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><topic>SYSTEMS FOR STORING ELECTRIC ENERGY</topic><toplevel>online_resources</toplevel><creatorcontrib>LI JUN</creatorcontrib><creatorcontrib>CHU QINGHE</creatorcontrib><creatorcontrib>WANG JUNLIANG</creatorcontrib><creatorcontrib>LIU XINYU</creatorcontrib><creatorcontrib>XU QI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LI JUN</au><au>CHU QINGHE</au><au>WANG JUNLIANG</au><au>LIU XINYU</au><au>XU QI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Grid-connected joint optimization control system of large-scale doubly-fed wind generator</title><date>2014-11-05</date><risdate>2014</risdate><abstract>The invention discloses a grid-connected joint optimization control method of a large-scale doubly-fed wind generator. Real-time control on a rotor magnetic linkage is achieved according to a q-axis control signal given value U*Psiqr of the rotor magnetic linkage and a d-axis control signal given value U*Psidr of the rotor magnetic linkage, and meanwhile, real-time control on a pitch angle of a wind turbine is achieved according to a given control quantity Beta*ref of the pitch angle of the wind turbine. The invention relates to a grid-connected joint optimization control system of a large-scale doubly-fed wind generator, the system has the advantages that transient stability of a power system can be improved, voltage drop at a stator end of the doubly-fed wind generator during a grid fault can also be greatly reduced, and system stability is ensured.</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY |
| title | Grid-connected joint optimization control system of large-scale doubly-fed wind generator |
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