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Frontiers in Energy

ISSN 2095-1701

ISSN 2095-1698(Online)

CN 11-6017/TK

邮发代号 80-972

2019 Impact Factor: 2.657

Frontiers in Energy  2012, Vol. 6 Issue (1): 35-46   https://doi.org/10.1007/s11708-012-0169-y
  RESEARCH ARTICLE 本期目录
Modeling and control of photovoltaic energy conversion connected to the grid
Modeling and control of photovoltaic energy conversion connected to the grid
Rebei NAJET(), Ben Ghanem BELGACEM, Hasnaoui OTHMAN
Unit of Research (RME), INSAT, Tunisia; Centre Urbain Nord, BP 676, 1080 Tunis Cedex, Tunisia
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Abstract

This paper presents modeling and control of a photovoltaic generator (PVG) connected to the grid. The parameters of the PVG have been identified in previous work (series and parallel resistance, reverse saturation current and thermal voltage) using Newton-Raphston and the gradient algorithm. The electrical energy from a PVG is transferred to the grid via two static converters (DC/DC and DC/AC). The objective of the proposed control strategy is to maximize energy captured from the PVG. The adapted control law for extracting maximum power from the PVG is based on the incremental conductance algorithm. The developed algorithm has the capability of searching the maximum photovoltaic power under variable irradiation and temperature. To control the DC/AC inverter, an intelligent system based on two structures is constructed: a current source control structure and a voltage source control structure. The system has been validated by numerical simulation using data obtained from the PVG installed in the laboratory research (INSAT, Tunisia).

Key wordsphotovoltaic generator (PVG)    maximum power point tracker    grid-connected    static converters
收稿日期: 2011-06-13      出版日期: 2012-03-05
Corresponding Author(s): NAJET Rebei,Email:najet_r@yahoo.com   
 引用本文:   
. Modeling and control of photovoltaic energy conversion connected to the grid[J]. Frontiers in Energy, 2012, 6(1): 35-46.
Rebei NAJET, Ben Ghanem BELGACEM, Hasnaoui OTHMAN. Modeling and control of photovoltaic energy conversion connected to the grid. Front Energ, 2012, 6(1): 35-46.
 链接本文:  
https://academic.hep.com.cn/fie/CN/10.1007/s11708-012-0169-y
https://academic.hep.com.cn/fie/CN/Y2012/V6/I1/35
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Pc/WIopt/AVopt/V)Vco/VIcc/Anumber of celltype of cellefficiency/%
502.917.2213.436poly11.3
Tab.1  
E/(W·m-2) (@15°C )Rs/?Rp/?Ios/AVT/V
4000.62455727.041.0 e-0061.4382
5000.63598471.241.4 e-0061.4371
6000.68315568.371.4 e-0061.4103
7000.68936673.061.7 e-0061.4050
8000.75259674.062.5 e-0061.4319
Tab.2  
E/(W·m-2)(@32°C)Rs/?Rp/?Ios/AVT/V
4000.32387386.22345.5955e-0061.5155
4500.32895392.27656.0231e-0061.5128
6500.40311211.71628.8751e-0061.5146
7000.47695209.23259.1939e-0061.5171
8000.48292248.61411.0934e-0051.5180
9000.58926258.50185.1389e-0061.4083
10000.59067259.20006.7197e-0061.4128
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