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http://hdl.handle.net/10397/1112
| Title: | Numerical simulation of transient force and eddy current loss in a 720-MVA power transformer | Authors: | Ho, SL Li, Y Wong, HCC Wang, SH Tang, RY |
Issue Date: | Mar-2004 | Source: | IEEE transactions on magnetics, Mar. 2004, v. 40, no. 2, p. 687-690 | Abstract: | The transient eddy current fields are short-circuit forces upon the coils of large power transformers are analyzed. The proposed approach is based on the A-V-A formulation in which the eddy current field and the electric circuit equations are solved simultaneously. The effectiveness of a magnetic bypass plate near the coils ends for reducing the eddy current loss and the local over-heating is discussed. A simulation to study the transient short-circuit behavior of a 720-MVA power transformer using the proposed coupled approach is reported. | Keywords: | Eddy current loss Power transformer Transient force |
Publisher: | Institute of Electrical and Electronics Engineers | Journal: | IEEE transactions on magnetics | ISSN: | 0018-9464 | EISSN: | 1941-0069 | DOI: | 10.1109/TMAG.2004.824801 | Rights: | © 2004 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. |
| Appears in Collections: | Journal/Magazine Article |
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| eddy-current-loss_04.pdf | 188.92 kB | Adobe PDF | View/Open |
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