The Designer’s Guide Community downloaded from www.designers-guide.org Simulation and Modeling of Nonlinear Magnetics

Abstract

Version 1b, August 1994 A procedure for modeling and simulation of arbitrary nonlinear magnetics components is presented. A set of electromagnetic primitives is described as implemented in Verilog-A. The primitives include cores, gaps, and windings that are combined to model ferromagnetic inductors and transformers. The physics of the ferromagnetic core model is described. The model is used to illustrate how to overcome some difficult modelling issues such as hysteresis, incremental models, implicit models, and multidisciplinary model