Electro-magnetic interference (EMI) due to non-conducted coupling paths in switching mode converter

A simplified model which takes into account minimum coupling paths (MCP) for a switching mode power converter is presented. A minimum number of coupling capacitors are found which connect between all three terminals of a LISN and nodes of a converter circuit. Simulation that shows both inductive and...

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Bibliographic Details
Published inProceedings IPEMC 2000. Third International Power Electronics and Motion Control Conference (IEEE Cat. No.00EX435) Vol. 1; pp. 252 - 257 vol.1
Main Authors Poon, F.N.K., Liu, J.C.P., Pong, M.H.
Format Conference Proceeding
LanguageEnglish
Published IEEE 2000
Subjects
Capacitance
Capacitors
Circuit noise
Circuit simulation
Coupling circuits
Electromagnetic interference
Impedance
Leg
Switching converters
Voltage
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Summary:A simplified model which takes into account minimum coupling paths (MCP) for a switching mode power converter is presented. A minimum number of coupling capacitors are found which connect between all three terminals of a LISN and nodes of a converter circuit. Simulation that shows both inductive and capacitive coupling mechanisms may contribute substantial noise at the input.
ISBN:780003464X
9787800034640
DOI:10.1109/IPEMC.2000.885366