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A fast time domain digital simulation technique for power converters: Application to a buck converter with feedforward compensation

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2 Author(s)
S. S. Kelkar ; Department of Electrical Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA.; Electronic Power Systems Laboratory, Bell Laboratories, Whippany, NJ 07981. ; Fred C. Y. Lee

Small-signal analysis was performed earlier to demonstrate the marked improvement of dynamic properties and stability margins of a switching regulator employing a novel feedforward input filter compensation scheme. A large-signal nonlinear recurrent time domain model is presented for the converter to analyze the transient response due to a step input change with and without the presence of the proposed feedforward loop. The results are verified with experimental data.

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IEEE Transactions on Power Electronics  (Volume:PE-1 ,  Issue: 1 )