SPICE technology is applied to the analysis of flux paths as well as current paths. Circuit duals and symbols are developed for all magnetic elements using the basic Gyrator Re-Cap core model. Magnetic circuits are created with these symbols to demonstrate the ease and accuracy of simulating all major magnetic phenomena. The following magnetic devices are modeled: forward and flyback transformers; coupled inductor/transformers; ferroresonant regulators; and magnetic amplifiers (with both current and voltage control).
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