A Single-Phase Bidirectional Inverter with Two Buck/Boost MPPTs for DC- Distribution Applications
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064

M.Tech / M.E / PhD Thesis | Electrical Engineering | India | Volume 4 Issue 1, January 2015

A Single-Phase Bidirectional Inverter with Two Buck/Boost MPPTs for DC- Distribution Applications

Rajendhra Prasad, M. Praveen Reddy

An integration and operation of a single-phase bidirectional inverter with two buck/boost maximum power point trackers (MPPTs) for dc-distribution applications. In a dc-distribution system, a bidirectional inverter is required to control the power flow between dc bus and ac grid, and to regulate the dc bus to a certain range of voltages. A droop regulation mechanism according to the inverter inductor current levels to reduce capacitor size, balance power flow, and accommodate load variation is proposed. Since the photovoltaic (PV) array voltage can vary from 0 to 5000 V, especially with thin-film PV panels, the MPPT topology is formed with buck and boost converters to operate at the dc-bus voltage around 4000 V, reducing the voltage stress of its followed inverter. Additionally, the controller can online check the input configuration of the two MPPTs, equally distribute the PV-array output current to the two MPPTs in parallel operation, and switch control laws to smooth out mode transition. A comparison between the conventional boost MPPT and the proposed buck/boost MPPT integrated with a PV inverter is also presented. A single-phase bidirectional inverter with two buck/boost maximum power point trackers (MPPTs) by using the closed loop circuit. This project is workout by simulink using mat lab.

Keywords: buck boost, dc distribution

Edition: Volume 4 Issue 1, January 2015

Pages: 1976 - 1980

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How to Cite this Article?

Rajendhra Prasad, M. Praveen Reddy, "A Single-Phase Bidirectional Inverter with Two Buck/Boost MPPTs for DC- Distribution Applications", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=SUB15508, Volume 4 Issue 1, January 2015, 1976 - 1980

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