Theoretical and Simulation Study on On-line Monitoring Technology of Transformer Short-Circuit Impedance
Based on the equivalent circuit of transformer, this paper deduces the calculation method of short-circuit impedance of three-phase transformer based on multiple measurement data. Taking a single-phase transformer as the research object, the 'magnetic field-circuit' simulation model is est...
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| Veröffentlicht in: | IOP conference series. Materials Science and Engineering 2019-06, Vol.486 (1), p.12038 |
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| container_title | IOP conference series. Materials Science and Engineering |
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| creator | Liu, Hao Gan, Zhaohui Liu, Xi Yang, Fanglin Wang, Chan Wang, Chengwu |
| description | Based on the equivalent circuit of transformer, this paper deduces the calculation method of short-circuit impedance of three-phase transformer based on multiple measurement data. Taking a single-phase transformer as the research object, the 'magnetic field-circuit' simulation model is established. The normal operation and winding deformation caused by different axial displacements are simulated and analyzed. The results show that short-circuit impedance changes when transformer winding is axially deformed, and the degree of change is related to the degree of deformation. Compared with the normal situation, the short-circuit impedance increases by 52.1% when the four transformer coils are moved 15 mm each. Therefore, on-line monitoring of the transformer short-circuit impedance can reflect the abnormal deformation of the transformer winding to a certain extent. |
| doi_str_mv | 10.1088/1757-899X/486/1/012038 |
| format | Article |
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Taking a single-phase transformer as the research object, the 'magnetic field-circuit' simulation model is established. The normal operation and winding deformation caused by different axial displacements are simulated and analyzed. The results show that short-circuit impedance changes when transformer winding is axially deformed, and the degree of change is related to the degree of deformation. Compared with the normal situation, the short-circuit impedance increases by 52.1% when the four transformer coils are moved 15 mm each. Therefore, on-line monitoring of the transformer short-circuit impedance can reflect the abnormal deformation of the transformer winding to a certain extent.</description><identifier>ISSN: 1757-8981</identifier><identifier>EISSN: 1757-899X</identifier><identifier>DOI: 10.1088/1757-899X/486/1/012038</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>Coils (windings) ; Equivalent circuits ; Impedance ; Monitoring ; Short circuits ; Simulation ; Transformers ; Winding</subject><ispartof>IOP conference series. Materials Science and Engineering, 2019-06, Vol.486 (1), p.12038</ispartof><rights>Published under licence by IOP Publishing Ltd</rights><rights>2019. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). 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Materials Science and Engineering</title><addtitle>IOP Conf. Ser.: Mater. Sci. Eng</addtitle><description>Based on the equivalent circuit of transformer, this paper deduces the calculation method of short-circuit impedance of three-phase transformer based on multiple measurement data. Taking a single-phase transformer as the research object, the 'magnetic field-circuit' simulation model is established. The normal operation and winding deformation caused by different axial displacements are simulated and analyzed. The results show that short-circuit impedance changes when transformer winding is axially deformed, and the degree of change is related to the degree of deformation. Compared with the normal situation, the short-circuit impedance increases by 52.1% when the four transformer coils are moved 15 mm each. Therefore, on-line monitoring of the transformer short-circuit impedance can reflect the abnormal deformation of the transformer winding to a certain extent.</description><subject>Coils (windings)</subject><subject>Equivalent circuits</subject><subject>Impedance</subject><subject>Monitoring</subject><subject>Short circuits</subject><subject>Simulation</subject><subject>Transformers</subject><subject>Winding</subject><issn>1757-8981</issn><issn>1757-899X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>O3W</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqFkEFLwzAYhoMoOKd_QQJevNQmbZKmRxlTBxs7tIK3kKbpmtElNW0P-_d2VCaC4Ol74Xve74MHgHuMnjDiPMQJTQKeph8h4SzEIcIRivkFmJ0Xl-fM8TW46bo9QiwhBM1Andfaed0bJRsobQkzcxga2RtnYdYP5RGOYWuDxlgNN86a3nljdzDXqraucbsRqGDupe0q5w_aw6x2vg8WxqvB9HB1aHUprdK34KqSTafvvuccvL8s88VbsN6-rhbP60BFLOUBpriSUpOCcxZzXGKNqCKFLqSKK5lEMSklRUmhEcc6ZQVhFDMWlxVlhKuSxXPwMN1tvfscdNeLvRu8HV-KiDLEk5QmeKTYRCnvus7rSrTeHKQ_CozEyao4CRMneWK0KrCYrI7FaCoa1_5c_rf0-Edpky1_YaItq_gLI7yH_Q</recordid><startdate>20190601</startdate><enddate>20190601</enddate><creator>Liu, Hao</creator><creator>Gan, Zhaohui</creator><creator>Liu, Xi</creator><creator>Yang, Fanglin</creator><creator>Wang, Chan</creator><creator>Wang, Chengwu</creator><general>IOP Publishing</general><scope>O3W</scope><scope>TSCCA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope></search><sort><creationdate>20190601</creationdate><title>Theoretical and Simulation Study on On-line Monitoring Technology of Transformer Short-Circuit Impedance</title><author>Liu, Hao ; Gan, Zhaohui ; Liu, Xi ; Yang, Fanglin ; Wang, Chan ; Wang, Chengwu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2698-151faae4b886381d1e05c4bebac3fa7234da507be081e96b4651663df5648cd63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Coils (windings)</topic><topic>Equivalent circuits</topic><topic>Impedance</topic><topic>Monitoring</topic><topic>Short circuits</topic><topic>Simulation</topic><topic>Transformers</topic><topic>Winding</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Hao</creatorcontrib><creatorcontrib>Gan, Zhaohui</creatorcontrib><creatorcontrib>Liu, Xi</creatorcontrib><creatorcontrib>Yang, Fanglin</creatorcontrib><creatorcontrib>Wang, Chan</creatorcontrib><creatorcontrib>Wang, Chengwu</creatorcontrib><collection>Institute of Physics Open Access Journal Titles</collection><collection>IOPscience (Open Access)</collection><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><jtitle>IOP conference series. Materials Science and Engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Hao</au><au>Gan, Zhaohui</au><au>Liu, Xi</au><au>Yang, Fanglin</au><au>Wang, Chan</au><au>Wang, Chengwu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Theoretical and Simulation Study on On-line Monitoring Technology of Transformer Short-Circuit Impedance</atitle><jtitle>IOP conference series. Materials Science and Engineering</jtitle><addtitle>IOP Conf. Ser.: Mater. Sci. Eng</addtitle><date>2019-06-01</date><risdate>2019</risdate><volume>486</volume><issue>1</issue><spage>12038</spage><pages>12038-</pages><issn>1757-8981</issn><eissn>1757-899X</eissn><abstract>Based on the equivalent circuit of transformer, this paper deduces the calculation method of short-circuit impedance of three-phase transformer based on multiple measurement data. Taking a single-phase transformer as the research object, the 'magnetic field-circuit' simulation model is established. The normal operation and winding deformation caused by different axial displacements are simulated and analyzed. The results show that short-circuit impedance changes when transformer winding is axially deformed, and the degree of change is related to the degree of deformation. Compared with the normal situation, the short-circuit impedance increases by 52.1% when the four transformer coils are moved 15 mm each. Therefore, on-line monitoring of the transformer short-circuit impedance can reflect the abnormal deformation of the transformer winding to a certain extent.</abstract><cop>Bristol</cop><pub>IOP Publishing</pub><doi>10.1088/1757-899X/486/1/012038</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Coils (windings) Equivalent circuits Impedance Monitoring Short circuits Simulation Transformers Winding |
| title | Theoretical and Simulation Study on On-line Monitoring Technology of Transformer Short-Circuit Impedance |
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