Transcription of Article Title: SPICE Models For Power Electronics - Intusoft
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Article Title: SPICE Models For Power Electronics - Intusoft
Article title : " SPICE Models For Power Electronics "Author: Meares andCharles E. HymowitzAbstract: Due to the increasing complexity of Power systems and the costs involvedin breadboarding and testing preliminary designs, engineers have been turning tocomputer based simulations for assistance in the design paper explains, in depth, how to create SPICE Models for the most importantand pervasive element in Power Electronics , that of the transformer and its accom-panying saturable :I Transformer ModelsII Saturable Reactor ModelIII How The Core model WorksIV Calculating Core ParametersV Using and Testing The CoreVI A Complete Transformer ModelVII ReferencesTotal: 11 Pages, 12 FiguresPage 2 Transformer ModelsThe usual method of simulating a transformer using ISSPICE is by specifying the opencircuit inductance seen at each winding and then adding the coupling coefficients toa pair of coupled inductors. This technique tends to loose the physical meaningassociated with leakage and magnetizing inductance and does not allow theinsertion of a nonlinear core.
Page 3 The coupling coefficient of a transformer wound on a magnetic core is nearly unity when the core is not saturated and depends on the winding topology when the core
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