Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/8251
Title: A sensitivity analysis method for equivalent parameter extraction of transient magnetic field with internal circuits
Authors: Ho, SL 
Niu, S 
Fu, WN 
Zhu, J
Keywords: Electric circuit
equivalent parameter
Finite-element method
Indirect coupling
Sensitivity
Transient magnetic field
Issue Date: 2012
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on magnetics, 2012, v. 48, no. 2, 6136575, p. 295-298 How to cite?
Journal: IEEE transactions on magnetics 
Abstract: A sensitivity analysis method for the equivalent parameter extraction of transient magnetic field problems with internally coupled circuits is presented. In contrast to conventional methods using physical meaning and physical relationships for parameter extraction, this method is based on a collection of mathematical system equations which include transient magnetic field equations and internal circuit equations. The extracted parameters include the collective effects of eddy currents, internal circuits, and mechanical motion. Compared with previous sensitivity analysis methods which extract only the equivalent inductance, the proposed algorithm extracts also the equivalent resistance. A laminated transformer with internal circuit is reported to validate and showcase the proposed method.
URI: http://hdl.handle.net/10397/8251
ISSN: 0018-9464
EISSN: 1941-0069
DOI: 10.1109/TMAG.2011.2173912
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