Open Access Journal

ISSN : 2394-2320 (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)

Extraction of Maximum Power from Series Connected PV Modules by using DPP Architecture

Author : B.Venkata Rao 1 S.Rubeen Sana 2 G.Ravi kumar 3 A.S.R.Sekhar 4

Date of Publication :7th September 2016

Abstract: In series connected Photo Voltaic (PV) modules (string), there is a higher possibility of mismatch of currents among modules during partial shading conditions. In order to overcome this problem various DMPPT (Distributed Maximum Power Point Tracking) architectures are studied and PV to Virtual bus DPP (Differential Power Processing) architecture is considered in this paper. The proposed technique is used for the extraction of maximum power from series connected modules under shading conditions. The MPP (Maximum Power Point) voltage values of all modules are obtained by using Resonant MPPT method. These MPP voltage values are given as reference voltages to the Bi-directional fly-back DC-DC converters, which are placed in parallel to each PV module. These converters are used for operating each module at their MPP by providing required compensation currents to the shaded modules in PV to Virtual bus architecture.

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