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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/2284

Title: General rules for signal flow graph modeling and analysis of dc-dc converters
Authors: Veerachary, Mummadi
Keywords: signal flow graph
dc-dc converters
2-cell cascade boost
steady-state models
TUTSIM simulator
Issue Date: 2004
Citation: Aerospace and Electronic Systems, IEEE Transactions on, 40(1), 259 - 271p.
Abstract: Signal flow graph (SFG) nonlinear modeling approach is well known for modeling dc-dc converters. However, all possible SFGs of a given dc-dc converter system will not yield the generalized graph. A systematic procedure and guidelines for developing unified flow graph models of the dc-dc boost converters, from which complete behavior can be determined is presented. Usefulness of the proposed method is demonstrated through examples. As an illustration a 2-cell cascade boost and interleaved boost converter systems are taken as examples. Derivation of large, small-signal and steady-state models from generalized flow graph is also demonstrated. Large-signal model is developed and programmed in TUTSIM simulator. Large-signal, responses against supply and load disturbances are obtained. Experimental observations are provided to validate the proposed algorithm.
URI: http://eprint.iitd.ac.in/dspace/handle/2074/2284
Appears in Collections:Electrical Engineering

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