Open Access Journal

ISSN : 2395-2717 (Online)

International Journal of Engineering Research in Computer Science and Engineering (IJERCSE)

Monthly Journal for Computer Science and Engineering

Open Access Journal

International Journal of Engineering Research in Electrical and Electronic Engineering(IJEREEE)

Monthly Journal for Electrical and Electronic Engineering

ISSN : 2395-2717 (Online)

Transformer Coupled Bidirectional DC-DC Converter for Grid-Connected PV-Wind-Battery

Author : Dr.M.Padma lalitha 1 N 2 Sree ramula reddy 3 N.Gurutheja 4

Date of Publication :7th March 2017

Abstract: The control strategy for power flow management of a grid-connected hybrid PV-wind-battery based system with an efficient multi-input transformer coupled bidirectional dc-dc converter is presented. The proposed system aims to satisfy the load demand, manage the power flow from different sources, inject surplus power into the grid and charge the battery from grid as and when required. A transformer coupled boost half-bridge converter is used to harness power from wind, while bidirectional buck-boost converter is used to harness power from PV along with battery charging/discharging control. A single-phase full-bridge bidirectional converter is used for feeding ac loads and interaction with grid. The proposed converter architecture has reduced number of power conversion stages with less component count, and reduced losses compared to existing grid-connected hybrid systems. This improves the efficiency and reliability of the system. Simulation results are obtained using MATLAB/Simulink show the performance of the proposed control strategy for power flow management under various modes of operation.

Reference :

    1.  T. Hirose and H. Matsuo,“ Standalone hybrid windsolar power generation system applying dump power control without dump load,” IEEE Trans. Ind. Electron.
    2. S. A. Daniel and N. A. Gounden, “A novel hybrid isolated generating system based on PV fed inverterassisted wind-driven induction generators,” IEEE Trans. Energy Converters.
    3.  R. Wandhare and V. Agarwal, “Novel integration of a PV-wind energy system with enhanced efficiency,” IEEE Trans. Power Electron.
    4. F. Nejabatkhah, S. Danyali, S. Hosseini, M. Sabahi, and S.Niapour,“Modeling and control of a new threeinput DC-DC boost converter for hybrid PV/FC/battery power system,”IEEE Trans. Power Electron., vol. 27, no. 5, pp. 2309-2324, Feb. 2014.

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