Non-isolated dc-dc converters with high gain find their applications as front-end boost stage in inverters with sources having low source voltage, like, photovoltaic (PV) modules. Input current drawn by these boost stages is high at higher power rating, as these stages process power from a low input voltage. This results in very high power loss in the active elements of the inverter, hence lowering efficiency of the system. In this paper, an Interleaved Switched Boost Topology with ‘n’ phases (n-phase ISBT) as a front-end dc-dc boost stage is proposed to deal with the abovementioned limitation. In order to facilitate the ‘n’ phase interleaving, a novel Pulse Width Modulation (PWM) scheme is proposed. Proposed converter in its steady-state is analyzed with various operating modes and gain characteristics. Steady-state operation of ISBT with two interleaved phases is validated using PLECS simulation as well as through experiments on an experimental prototype.


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    Title :

    An n-phase Interleaved Switched Boost Topology


    Contributors:


    Publication date :

    2021-12-16


    Size :

    700191 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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