NDLI: Application of Finite Elements to High Frequency Transformer Modeling

Content Provider	IEEE Xplore Digital Library
Author	Mohammed, O.A. Abed, N.Y.
Copyright Year	2006
Description	Author affiliation: Dept. of Electr. Eng., Florida Int. Univ., Miami, FL (Mohammed, O.A.; Abed, N.Y.)
Abstract	This paper proposes a high frequency transformer model. The model consists of power frequency transformer model connected in parallel with frequency dependent branch (FDB). The FDB branch represents the transformer high frequency behavior over wide frequency range. The frequency response of the transformer was obtained by coupling the transformer FE model and external electric circuits. Such a technique would allow the physical representation of the nonlinear magnetization behavior of the transformer as well as the strong frequency dependence of the transformer parameters. The self capacitance of each conductor and the mutual capacitances between turns were calculated by electrostatic FE analysis. The model is reduced to a lower order by shifting the capacitances connected to internal nodes to the external ones (coil nodes). The resultant capacitances are then used in the circuit domain. The obtained frequency response is then fitted with rational function approximation. The implementation is performed on 125 kVA shell type transformer with sandwich coils
Starting Page	100
Ending Page	100
File Size	223176
Page Count	1
File Format	PDF
ISBN	1424403200
DOI	10.1109/CEFC-06.2006.1632892
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-04-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Finite element methods Capacitance Frequency dependence Frequency response Coils Coupling circuits Magnetization Conductors Electrostatic analysis Magnetic analysis
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
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