Numerical analysis on magnetic field of HTS transformer with different geometry
In a high-temperature superconducting (HTS) transformer leakage magnetic field, especially its radial component, decreases the critical current and increases the ac losses in the tapes. Because of zero resistance of HTS tapes a slight unbalance among the branch inductances of the windings may result...
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| Veröffentlicht in: | IEEE transactions on magnetics 2006-04, Vol.42 (4), p.1343-1346 |
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| container_end_page | 1346 |
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| container_title | IEEE transactions on magnetics |
| container_volume | 42 |
| creator | Xiaosong Li, Xiaosong Li Qiaofu Chen, Qiaofu Chen Gui Hu, Gui Hu Jianbo Sun, Jianbo Sun Guzong Long, Guzong Long |
| description | In a high-temperature superconducting (HTS) transformer leakage magnetic field, especially its radial component, decreases the critical current and increases the ac losses in the tapes. Because of zero resistance of HTS tapes a slight unbalance among the branch inductances of the windings may result in heavy circulating current, however, an accurate calculation of it must depend on the magnetic field analysis. Thus, a numerical analysis of the leakage magnetic field is especially necessary for an HTS transformer design. In this paper the leakage magnetic field of several transformer geometries is studied by finite element method, and based on it, the circulating current distribution is calculated. Some suggestions for improving the leakage field and circulating current distribution are presented to make HTS transformers more efficient |
| doi_str_mv | 10.1109/TMAG.2006.870940 |
| format | Article |
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Because of zero resistance of HTS tapes a slight unbalance among the branch inductances of the windings may result in heavy circulating current, however, an accurate calculation of it must depend on the magnetic field analysis. Thus, a numerical analysis of the leakage magnetic field is especially necessary for an HTS transformer design. In this paper the leakage magnetic field of several transformer geometries is studied by finite element method, and based on it, the circulating current distribution is calculated. Some suggestions for improving the leakage field and circulating current distribution are presented to make HTS transformers more efficient</description><identifier>ISSN: 0018-9464</identifier><identifier>EISSN: 1941-0069</identifier><identifier>DOI: 10.1109/TMAG.2006.870940</identifier><identifier>CODEN: IEMGAQ</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Circuit faults ; Circulating ; Circulating current ; Coils ; Cross-disciplinary physics: materials science; rheology ; Current distribution ; Exact sciences and technology ; finite element method (FEM) ; Finite element methods ; Geometry ; High temperature superconductors ; HTS transformer ; Leakage ; leakage magnetic field ; Magnetic analysis ; Magnetic fields ; Magnetism ; Materials science ; Mathematical analysis ; Numerical analysis ; Other topics in materials science ; Physics ; Power transformer insulation ; Superconducting tapes ; Transformer cores ; Transformers</subject><ispartof>IEEE transactions on magnetics, 2006-04, Vol.42 (4), p.1343-1346</ispartof><rights>2006 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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Because of zero resistance of HTS tapes a slight unbalance among the branch inductances of the windings may result in heavy circulating current, however, an accurate calculation of it must depend on the magnetic field analysis. Thus, a numerical analysis of the leakage magnetic field is especially necessary for an HTS transformer design. In this paper the leakage magnetic field of several transformer geometries is studied by finite element method, and based on it, the circulating current distribution is calculated. Some suggestions for improving the leakage field and circulating current distribution are presented to make HTS transformers more efficient</description><subject>Circuit faults</subject><subject>Circulating</subject><subject>Circulating current</subject><subject>Coils</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Current distribution</subject><subject>Exact sciences and technology</subject><subject>finite element method (FEM)</subject><subject>Finite element methods</subject><subject>Geometry</subject><subject>High temperature superconductors</subject><subject>HTS transformer</subject><subject>Leakage</subject><subject>leakage magnetic field</subject><subject>Magnetic analysis</subject><subject>Magnetic fields</subject><subject>Magnetism</subject><subject>Materials science</subject><subject>Mathematical analysis</subject><subject>Numerical analysis</subject><subject>Other topics in materials science</subject><subject>Physics</subject><subject>Power transformer insulation</subject><subject>Superconducting tapes</subject><subject>Transformer cores</subject><subject>Transformers</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNp9kc1LAzEQxYMoWKt3wUsQ1NPWySbNJscifoHag_UcYjqpKftRky3S_96UCoIHT8PM_N7AvEfIKYMRY6CvZ8-T-1EJIEeqAi1gjwyYFqzIE71PBgBMFVpIcUiOUlrmVowZDMj0Zd1gDM7W1La23qSQaNfSxi5a7IOjPmA9p52nD7NX2kfbJt_FrKBfof-g8-A9Rmx7usCuwT5ujsmBt3XCk586JG93t7Obh-Jpev94M3kqHFe8L5xwnlmlvbP4rkuv54xzVVlRCe7mpbWOjUuBSgE4J7x3Sr9bzgHzrxkUfEiudndXsftcY-pNE5LDurYtdutkNMu_cj7ekpf_kqUCyUCUGTz_Ay67dcymJKPkWFSs4ixDsINc7FKK6M0qhsbGjWFgtkGYbRBmG4TZBZElFz93bco--2yiC-lXV0kJstKZO9txARF_1xKUkJx_AxtRkH4</recordid><startdate>20060401</startdate><enddate>20060401</enddate><creator>Xiaosong Li, Xiaosong Li</creator><creator>Qiaofu Chen, Qiaofu Chen</creator><creator>Gui Hu, Gui Hu</creator><creator>Jianbo Sun, Jianbo Sun</creator><creator>Guzong Long, Guzong Long</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| subjects | Circuit faults Circulating Circulating current Coils Cross-disciplinary physics: materials science rheology Current distribution Exact sciences and technology finite element method (FEM) Finite element methods Geometry High temperature superconductors HTS transformer Leakage leakage magnetic field Magnetic analysis Magnetic fields Magnetism Materials science Mathematical analysis Numerical analysis Other topics in materials science Physics Power transformer insulation Superconducting tapes Transformer cores Transformers |
| title | Numerical analysis on magnetic field of HTS transformer with different geometry |
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