A methodology to develop subcircuit models of magnetic cores with hysteresis using analog behavioral modeling (ABM) in PSpice is presented. A subcircuit equivalent to the Jiles-Atherton model is developed to model the static ferromagnetic hysteresis. The Hammerstein configuration, which includes a nonlinear static block followed by a linear dynamic block, is further employed to capture the rate dependencies. The nonlinear static block is realized by the Jiles-Atherton model, and linear dynamic block by a low-pass filter. Interface subcircuits are provided to couple the voltage induced by the magnetic flux to the winding model of an inductor or a transformer. The hysteresis-related waveforms predicted by the developed inductor and transformer subcircuit models have been verified experimentally.
Subcircuit modeling of magnetic cores with hysteresis in PSpice
IEEE Transactions on Aerospace and Electronic Systems ; 38 , 4 ; 1425-1434
01.10.2002
371022 byte
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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