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A Novel Algorithm for MPPT for PV Application System by use of Direct Control Method

by D.d. Gaikwad, M. S. Chavan
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 109 - Number 2
Year of Publication: 2015
Authors: D.d. Gaikwad, M. S. Chavan
10.5120/19159-0602

D.d. Gaikwad, M. S. Chavan . A Novel Algorithm for MPPT for PV Application System by use of Direct Control Method. International Journal of Computer Applications. 109, 2 ( January 2015), 10-15. DOI=10.5120/19159-0602

@article{ 10.5120/19159-0602,
author = { D.d. Gaikwad, M. S. Chavan },
title = { A Novel Algorithm for MPPT for PV Application System by use of Direct Control Method },
journal = { International Journal of Computer Applications },
issue_date = { January 2015 },
volume = { 109 },
number = { 2 },
month = { January },
year = { 2015 },
issn = { 0975-8887 },
pages = { 10-15 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume109/number2/19159-0602/ },
doi = { 10.5120/19159-0602 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T22:45:08.022643+05:30
%A D.d. Gaikwad
%A M. S. Chavan
%T A Novel Algorithm for MPPT for PV Application System by use of Direct Control Method
%J International Journal of Computer Applications
%@ 0975-8887
%V 109
%N 2
%P 10-15
%D 2015
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Photovoltaic (PV) cell converts sunrays into electrical energy, which has non-linear I-V characteristics. For extracting maximum power from photovoltaic (PV) array for varying environmental conditions, it is necessary to use MPPT tracker. The MPPT consists of DC-DC converter and MPPT algorithm, DC-DC converter is inserted between solar panel and load or battery. The task of MPPT tracker is to match input impedance of the converter and it is equals to the equivalent output impedance of the solar panel to achieve unique point (MPP) where maximum power extracted. The used TL598 based DC-DC converter operates with defined MPPT algorithm. The DC-DC converter output power is controlled by varying its duty cycle to operating at knee voltage level. The novel algorithm is used for efficiently extracts the maximum output power from PV panel with the use of direct control method. The sensing of input voltage and current parameters, which are processed based on P&O algorithm. After finding of MPP, it latched and stops searching and only continuously monitors source voltage. When any change in environmental conditions, the MPPT algorithm again starts searching MPP unique point which is totally based on source voltage information. This approach gets a stable output power at MPP. The algorithm has developed for direct control of duty cycle for DC-DC converter based on TL598. This is simple structure; obtain higher efficiency and reliability as compared to standard methods. The MPPT has capability to propose the technique which has been verified experimentally with a 75-W solar panel for different insolation (incident solar radiation) level and under large signal insolation of level changes.

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Index Terms

Computer Science
Information Sciences

Keywords

MPPT methods Basic Theory Methods of control technique Algorithm.

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