DocumentCode :
2355391
Title :
Model of the capacitive effects in magnetic components
Author :
Prieto, R. ; Asensi, R. ; Cobos, J.A. ; Garcia, O. ; Uceda, J.
Author_Institution :
Div. de Ingenieria Electronica, Univ. Politecnica de Madrid, Spain
Volume :
2
fYear :
1995
fDate :
18-22 Jun 1995
Firstpage :
678
Abstract :
A model for the capacitive effects in magnetic components for switch mode power supplies (SMPS) has been developed. It can be applied to multiwinding transformers. A finite element analysis (FEA) tool is used to compute the frequency behavior of the magnetic component, taking into account geometry and materials. The parameters of the model can be calculated before the magnetic component is built. An accurate capacitances modeling is expected to be crucial for common-mode EMI transmission modeling. The model takes into account winding floating voltages and the capacitance among each winding. Several model levels with different degrees of freedom are proposed. Some experimental results comparing the actual magnetic component results with the behavioural simulator results, are presented
Keywords :
capacitance; electromagnetic interference; finite element analysis; magnetic devices; switched mode power supplies; transformer windings; transformers; behavioural simulator; capacitance; capacitances modeling; capacitive effects; common-mode EMI transmission modeling; finite element analysis tool; frequency behavior; magnetic components; multiwinding transformers; switch mode power supplies; winding floating voltages; Capacitance; Computational geometry; Finite element methods; Frequency; Magnetic analysis; Magnetic materials; Magnetic switching; Switched-mode power supply; Switches; Transformers;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Power Electronics Specialists Conference, 1995. PESC '95 Record., 26th Annual IEEE
Conference_Location :
Atlanta, GA
Print_ISBN :
0-7803-2730-6
Type :
conf
DOI :
10.1109/PESC.1995.474892
Filename :
474892
Link To Document :
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