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Simple PV performance equations theoretically well founded on the single-diode model

Simple PV performance equations theoretically well founded on the single-diode model
Simple PV performance equations theoretically well founded on the single-diode model

There are several photovoltaic (PV) performance models in the literature, but most of them either employ complex and tedious calculations or require additional measurements apart from datasheet information. In this paper, a new set of performance equations to evaluate the short-circuit current, open-circuit voltage, and maximum power point at any operating conditions is introduced. The proposed expressions are simple functions of the irradiance and temperature, while they are generally applicable to any crystalline PV module and require only datasheet information as input data. This is achieved by introducing new formulas to determine the irradiance and temperature coefficients that are not provided in the datasheet, thus avoiding empirical constants or additional measurements. The novelty of the performance equations is their solid theoretical background, as they are in excellent agreement with the single-diode PV model, combined with simple and easy application. The proposed PV model is validated and compared with other methods found in the literature through simulations in MATLAB and outdoor measurements on commercial PV modules.

Explicit expressions, five parameters, irradiance factors, Lambert W function, maximum power point (MPP), performance equations, photovoltaic (PV), single-diode model, temperature coefficients
2156-3381
1400-1409
Batzelis, Efstratios I.
2a85086e-e403-443c-81a6-e3b4ee16ae5e
Batzelis, Efstratios I.
2a85086e-e403-443c-81a6-e3b4ee16ae5e

Batzelis, Efstratios I. (2017) Simple PV performance equations theoretically well founded on the single-diode model. IEEE Journal of Photovoltaics, 7 (5), 1400-1409, [7950901]. (doi:10.1109/JPHOTOV.2017.2711431).

Record type: Article

Abstract

There are several photovoltaic (PV) performance models in the literature, but most of them either employ complex and tedious calculations or require additional measurements apart from datasheet information. In this paper, a new set of performance equations to evaluate the short-circuit current, open-circuit voltage, and maximum power point at any operating conditions is introduced. The proposed expressions are simple functions of the irradiance and temperature, while they are generally applicable to any crystalline PV module and require only datasheet information as input data. This is achieved by introducing new formulas to determine the irradiance and temperature coefficients that are not provided in the datasheet, thus avoiding empirical constants or additional measurements. The novelty of the performance equations is their solid theoretical background, as they are in excellent agreement with the single-diode PV model, combined with simple and easy application. The proposed PV model is validated and compared with other methods found in the literature through simulations in MATLAB and outdoor measurements on commercial PV modules.

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More information

Published date: September 2017
Keywords: Explicit expressions, five parameters, irradiance factors, Lambert W function, maximum power point (MPP), performance equations, photovoltaic (PV), single-diode model, temperature coefficients

Identifiers

Local EPrints ID: 449669
URI: http://eprints.soton.ac.uk/id/eprint/449669
ISSN: 2156-3381
PURE UUID: 0ba1b538-adda-47d0-8573-8cccd281154e

Catalogue record

Date deposited: 10 Jun 2021 16:31
Last modified: 10 Jun 2021 16:31

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Contributors

Author: Efstratios I. Batzelis

University divisions

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