Study of Low-Frequency Bifurcation Phenomena of a Parallel-Connected Boost Converter System via Simple Averaged Models

Herbert Iu, C.K. Tse

    Research output: Contribution to journalArticle

    76 Citations (Scopus)

    Abstract

    This brief attempts to study the low-frequency bifurcationphenomena of a system of parallel-connected dc/dc boost converters. Analysisof the averaged state equations shows that the system loses stability viaa Hopf bifurcation. The loci of eigenvalues and the local trajectories arestudied. Computer simulations and experiments are performed to capturethe effects of variation of some chosen parameters on the qualitative behaviorof the system. In particular, it is shown that simple averaged modelscan be used to predict the occurrence of Hopf bifurcation in such systems.
    Original languageEnglish
    Pages (from-to)679-686
    JournalIEEE transactions on circuits and systems-I : fundamental theory and applications
    Volume50
    Issue number5
    DOIs
    Publication statusPublished - 2003

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