Evaluating Outdoor Performance of PV Modules Using an Innovative Explicit One-Diode Model

Andreea Sabadus, Nicoleta Stefu () and Marius Paulescu
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Andreea Sabadus: Institute for Advanced Environmental Research, West University of Timisoara, 300086 Timisoara, Romania
Nicoleta Stefu: Faculty of Physics, West University of Timisoara, 300223 Timisoara, Romania
Marius Paulescu: Faculty of Physics, West University of Timisoara, 300223 Timisoara, Romania

Energies, 2024, vol. 17, issue 11, 1-12

Abstract: Due to its simplicity, the one-diode model is commonly used for modeling the operation of photovoltaic (PV) modules at standard test conditions (STC). However, its inherent implicit nature often presents challenges in modeling PV energy production. In this paper, the innovative explicit one-diode model developed by us over time is adapted for estimating PV power production under real weather conditions. Simple yet accurate equations for calculating the energy output of a PV generator equipped with a maximum power point tracking (MPPT) system are proposed. The model’s performance is assessed under various normal and harsh operating conditions against measured data collected from the experimental setup located at the Solar Platform at West University of Timisoara, Romania. As an application of the new equation for maximum power, this paper presents a case study where the energy loss in the absence of an MPPT system is evaluated based on atmospheric and sky conditions.

Keywords: explicit one-diode model; maximum power point tracking; energy production (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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