Maximizing the Power Output of Partially Shaded Photovoltaic Plants Through Optimization of the Interconnections Among Its Modules

Villa, Luiz Fernando Lavado; Pïcault, Damien; Raison, Bertrand; Bacha, Seddik; Labonne, Antoine

doi:10.1109/jphotov.2012.2185040

Cited by 182 publications

(75 citation statements)

References 9 publications

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“…From all the above three configurations of PV array the third type of configuration (i.e) TCT configuration is more generated power than the remaining methods, under the shade with the total cross tied connection to increase the power output, a novel technique was employed in [9] whereas in the [10] about the new method namely Sudoku pattern gives how the output power from the PV is increased by 6% by changing from TCT to Sudoku and it cleared that the drawback of sudoku is that it can perform only on 9X9 array. [11,[15][16] presents the different powers such as actual power and the mismatch power (obtained from PV) for a proposed three configurations SP, BL and TCT.…”

Section: Introductionmentioning

confidence: 99%

Shadow dispersion of PV Array under variable irradiance for superior power Generation by Magic Square Configuration

Reddy¹,

Reddy²,

Kumar³

2018

IJET

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The PV array generates smaller amount of the power compared with other electrical power generation components. There are many components that are adversely effected the output of PV array in such components, one is partial shading. Due to this, each module in PV array receives different solar irradiations causes different P-V characteristics of its peak values. This paper presents a pioneering method called as Magic Square configuration has been proposed to enhance the generated power of photovoltaic modules by configuring those are under affect of shade. Thus there is no change of electrical arrangement of PV modules in an array but only the objective location in the total cross tied (TCT) array is rearranged according to the magic square arrangement. Proposed paper gives comparison data with the conventional configuration method and hence the performance is calculated. The proposed technique provides a better solution that how shadow effect on the PV modules has been reduced and how this shadow is distributed, and not only that also gives an idea about how the inequality losses due to the partial shading is effectively reduced. The power loss of various configurations of 3X3 and 4X4 array has been compared. The proposed technique is validated through MATLAB/Simulink environment.

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Section: Introductionmentioning

confidence: 99%

Shadow dispersion of PV Array under variable irradiance for superior power Generation by Magic Square Configuration

Reddy¹,

Reddy²,

Kumar³

2018

IJET

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“…Moreover performances of an unequally irradiated PV plant can be improved by different connection topologies of the PV plant. In the literature, [5,6], these topologies have been presented: Series-Parallel (SP), Total-Cross-Tied (TCT), Bridge-Linked (BL) and Honey Comb (HC). Series-parallel is the most common, simple and cheap connection, while the other topologies reduce the overall mismatch effect but they involve redundant connections thus higher costs.…”

Section: Introductionmentioning

confidence: 99%

Proof of Concept of an Irradiance Estimation System for Reconfigurable Photovoltaic Arrays

et al. 2015

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Abstract:In order to reduce the mismatch effect caused by non-uniform shadows in PV arrays, reconfigurable interconnections approaches have been recently proposed in the literature. These systems usually require the knowledge of the solar radiation affecting every solar module. The aim of this work is to evaluate the effectiveness of three irradiance estimation approaches in order to define which can be well suited for reconfigurable PV arrays. It is presented a real-time solar irradiance estimation device (IrradEst), implementing the three different estimation methods. The proposed system is based on mathematical models of PV modules enabling to estimate irradiation values by sensing a combination of temperature, voltage and current of a PV module. Experimental results showed generally good agreement between the estimated irradiances and the measurements performed by a standard pyranometer taken as reference. Finally one of the three methods was selected as possible solution for a reconfigurable PV system.

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“…It has been confirmed that P max of partially shaded photovoltaic arrays could be enhanced by optimizing the interconnections among its modules [8][9][10][11][12][13][14][15]. There are four typical interconnections, "series-parallel" (SP), "bridge-link" (BL), "totally cross tied" (TCT) and "honey comb" (HC).…”

Section: Introductionmentioning

confidence: 99%

“…There are four typical interconnections, "series-parallel" (SP), "bridge-link" (BL), "totally cross tied" (TCT) and "honey comb" (HC). A detailed study has been done to investigate how these typical interconnections impact power production of a partial shaded photovoltaic array [11]. And the TCT scheme is considered to be the better scheme for reducing the losses under most of the shading conditions, although none of the schemes are found to be effective under wide shading conditions.…”

Section: Introductionmentioning

confidence: 99%

Power Enhancement of Partial Shaded PV Array by Optimizing the Electrical Connection of Module

Wang

2015

MATEC Web of Conferences

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Maximizing the Power Output of Partially Shaded Photovoltaic Plants Through Optimization of the Interconnections Among Its Modules

Cited by 182 publications

References 9 publications

Shadow dispersion of PV Array under variable irradiance for superior power Generation by Magic Square Configuration

Shadow dispersion of PV Array under variable irradiance for superior power Generation by Magic Square Configuration

Proof of Concept of an Irradiance Estimation System for Reconfigurable Photovoltaic Arrays

Power Enhancement of Partial Shaded PV Array by Optimizing the Electrical Connection of Module

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