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A new approach to the modeling of converters for SPICE simulation

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3 Author(s)
Lee, Y.-S. ; Dept. of Electron. Eng., Hong Kong Polytech., Kowloon, Hong Kong ; Cheng, D.K.W. ; Wong, S.C.

An approach to the modeling of DC-DC converters for SPICE simulation is developed in which the average current in the energy-storage inductor is first simulated in a SPICE subcircuit for both the continuous and discontinuous modes of operation. The inductor current is then weighted and redistributed to related branches of the circuit to simulate the average input and output currents of the converter. Based on this technique, various converter models, including that of the Cuk converter with coupled inductors, which are valid for both continuous and discontinuous modes of operation, are developed

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Power Electronics, IEEE Transactions on  (Volume:7 ,  Issue: 4 )