2002•Unpublished venueRequires access

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

Franki N. K. Poon, J.C.P. Liu, M.H. Pong

Abstract

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.

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Available abstract

Key concepts: EMI, Electromagnetic interference, Capacitor, Coupling (piping), Inductive coupling, Capacitive coupling, Electronic engineering, Noise (video)