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Direct MPP calculation in terms of the single-diode PV model parameters

Direct MPP calculation in terms of the single-diode PV model parameters
Direct MPP calculation in terms of the single-diode PV model parameters
In this paper, new expressions are introduced for the determination of the maximum power point (MPP) of photovoltaic (PV) systems as explicit functions of the five parameters of the single-diode model employing the Lambert W function. These equations provide the voltage and current at MPP in a direct and straightforward manner, thus dispensing with any need for iterative solution. They are initially derived for a PV system operating under uniform conditions, and subsequently extended for mismatched conditions at the PV string level. The novelty of these formulae lies in their solid theoretical foundation, which supports their validity in the general case and offers a well-founded symbolic formulation for the MPP evaluation problem. Extended simulations and experimental validation are performed to verify the accuracy and computational efficiency of the proposed equations compared with other methods available in the literature.
Direct calculation, explicit expressions, five parameters, Lambert W function, maximum power point (MPP), partial shading, photovoltaic (PV), single-diode model
0885-8969
226-236
Batzelis, Efstratios I.
2a85086e-e403-443c-81a6-e3b4ee16ae5e
Kampitsis, Georgios E.
4bba7bcf-6422-4bf9-8996-528e7da1984e
Papathanassiou, Stavros A.
49cbcb43-649a-47c2-b294-9bc4d88898b9
Manias, Stefanos N.
83ed0459-8a4f-41bf-9f55-ddb2686e4272
Batzelis, Efstratios I.
2a85086e-e403-443c-81a6-e3b4ee16ae5e
Kampitsis, Georgios E.
4bba7bcf-6422-4bf9-8996-528e7da1984e
Papathanassiou, Stavros A.
49cbcb43-649a-47c2-b294-9bc4d88898b9
Manias, Stefanos N.
83ed0459-8a4f-41bf-9f55-ddb2686e4272

Batzelis, Efstratios I., Kampitsis, Georgios E., Papathanassiou, Stavros A. and Manias, Stefanos N. (2015) Direct MPP calculation in terms of the single-diode PV model parameters. IEEE Transactions on Energy Conversion, 30 (1), 226-236, [6918425]. (doi:10.1109/TEC.2014.2356017).

Record type: Article

Abstract

In this paper, new expressions are introduced for the determination of the maximum power point (MPP) of photovoltaic (PV) systems as explicit functions of the five parameters of the single-diode model employing the Lambert W function. These equations provide the voltage and current at MPP in a direct and straightforward manner, thus dispensing with any need for iterative solution. They are initially derived for a PV system operating under uniform conditions, and subsequently extended for mismatched conditions at the PV string level. The novelty of these formulae lies in their solid theoretical foundation, which supports their validity in the general case and offers a well-founded symbolic formulation for the MPP evaluation problem. Extended simulations and experimental validation are performed to verify the accuracy and computational efficiency of the proposed equations compared with other methods available in the literature.

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More information

e-pub ahead of print date: 8 November 2014
Published date: March 2015
Additional Information: Publisher Copyright: © 1986-2012 IEEE. Copyright: Copyright 2017 Elsevier B.V., All rights reserved.
Keywords: Direct calculation, explicit expressions, five parameters, Lambert W function, maximum power point (MPP), partial shading, photovoltaic (PV), single-diode model

Identifiers

Local EPrints ID: 449511
URI: http://eprints.soton.ac.uk/id/eprint/449511
ISSN: 0885-8969
PURE UUID: 85241523-9852-4e67-89b3-37dfe79786da
ORCID for Efstratios I. Batzelis: ORCID iD orcid.org/0000-0002-2967-3677

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Date deposited: 04 Jun 2021 16:31
Last modified: 27 Apr 2022 02:18

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Contributors

Author: Efstratios I. Batzelis ORCID iD
Author: Georgios E. Kampitsis
Author: Stavros A. Papathanassiou
Author: Stefanos N. Manias

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