Conference Papers

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    Design and Development of Modular Dual-Input DC/DC Step Down Converter for Telecom Power Supply
    (Institute of Electrical and Electronics Engineers Inc., 2018) Kiran, R.; Kalpana, R.
    An isolated voltage source fed modular dual-input DC/DC converter with battery storage system for telecom load application is proposed in this paper. The proposed system has two individual inputs with rectifiers that are connected in parallel at secondary circuit for achieving constant voltage across the load. The proposed system integrates two energy sources resulting in an advantage of having compact structure with less number of components. Complete design of the proposed converter with FPGA based digital control strategy have been presented in this paper. The proposed control scheme aids in achieving stable current sharing of load current. Simple structure, current sharing of load and self-load regulation makes the converter configuration innovative for synchronized power management in dual-input telecom load application. The simulation analysis of the proposed converter has been executed utilizing MATLAB Simulink environment. A laboratory prototype has been developed and tested for 1.1 kW power. Simulation and hardware results validates the robustness of the proposed system under variable load as well as input voltage variation. © 2018 IEEE.
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    A Three-Port Converter for Integrating Solar PV-Battery Systems with DC Loads
    (Institute of Electrical and Electronics Engineers Inc., 2024) Prasad, S.; Prabhakaran, P.; Arun Dominic, D.
    This paper presents a new three-port DC-DC converter circuit tailored for integrating solar PV and battery systems with DC loads, enabling single-stage energy conversion. The proposed design outperforms traditional non-isolated multi-input DC-DC converters by offering superior voltage boosting while utilizing fewer inductors. It operates flexibly as a single-input dual-output, dual-input single-output, or single-input single-output system, adapting seamlessly to varying energy flows between sources and loads. Additionally, it ensures maximum power point tracking for the solar PV source and maintains output voltage regulation through a multi-objective control architecture based on competitive mode selector. Steady-state and dynamic simulation results are provided to validate the performance of the converter across multiple operating modes. © 2024 IEEE.