EECon - 2021

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Browsing EECon - 2021 by Author "Bolonne, S"

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    Efficiency enhanced three-port DC-DC converter for MPPT controlled solar-battery systems
    (Institute of Electrical and Electronics Engineers, Inc., 2021-09) Bopearachchi, L; Liyanage, HS; Dasanayake, VH; Chandima, DP; Bolonne, S; Abeykoon, AMHS; Velmanickam, L
    In this paper, efficiency enhanced a three-port DC-DC converter for MPPT controlled Solar-Battery systems is proposed which consists of two separate power flow paths from solar panel to load and to the battery bank. In this converter, an integration of inductors is applied to maximize the gain of voltage and to reduce the effect of leakage inductance. Two active clamp circuits are applied for providing soft switching. Also, battery management system is designed so as to obtain minimum ripple current in charging/discharging cycles, the proposed system enhances battery efficiency and lifetime. Various converter operation modes as well as controller operation, necessary improvements are discussed in this paper. These control algorithms and control techniques have been implemented and tested in the simulated environment for a load of 100W/100V.