UGC Approved Journal no 63975(19)

ISSN: 2349-5162 | ESTD Year : 2014
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Published in:

Volume 5 Issue 9
September-2018
eISSN: 2349-5162

UGC and ISSN approved 7.95 impact factor UGC Approved Journal no 63975

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Published Paper ID:
JETIRE006073


Registration ID:
187747

Page Number

497-506

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Title

DECOUPLED ACTIVE AND REACTIVE POWER CONTROL FOR LARGE-SCALE GRID-CONNECTED PHOTOVOLTAIC SYSTEMS USING CASCADED MODULAR MULTILEVEL CONVERTERS

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Abstract

This paper presents a robust PI controller design for a three-phase grid-connected photovoltaic (PV) system to control the Active and Reactive power flow in the grid and the dc-link voltage for extracting maximum power from PV units by using a Cascaded multilevel converter. However, power distribution and control in the cascaded PV system faces tough challenge on output voltage over modulation when considering the varied and non-uniform solar energy on segmented PV arrays. This paper addresses this issue and proposes a decoupled active and reactive power control strategy to enhance system operation performance. The relationship between output voltage components of each module and power generation is analyzed with the help of a newly derived vector diagram by using a PI which illustrates the proposed power distribution principle. Finally, a 3-MW, 12-kV PV system with the proposed control strategy is modeled and simulated in MATLAB/Simulink software and the performance also analyzed by using both controllers.

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"DECOUPLED ACTIVE AND REACTIVE POWER CONTROL FOR LARGE-SCALE GRID-CONNECTED PHOTOVOLTAIC SYSTEMS USING CASCADED MODULAR MULTILEVEL CONVERTERS", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.5, Issue 9, page no.497-506, September-2018, Available :http://www.jetir.org/papers/JETIRE006073.pdf

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2349-5162 | Impact Factor 7.95 Calculate by Google Scholar

An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 7.95 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator

Cite This Article

"DECOUPLED ACTIVE AND REACTIVE POWER CONTROL FOR LARGE-SCALE GRID-CONNECTED PHOTOVOLTAIC SYSTEMS USING CASCADED MODULAR MULTILEVEL CONVERTERS", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.5, Issue 9, page no. pp497-506, September-2018, Available at : http://www.jetir.org/papers/JETIRE006073.pdf

Publication Details

Published Paper ID: JETIRE006073
Registration ID: 187747
Published In: Volume 5 | Issue 9 | Year September-2018
DOI (Digital Object Identifier):
Page No: 497-506
Country: Chennai, Tamil Nadu, India .
Area: Engineering
ISSN Number: 2349-5162
Publisher: IJ Publication


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