Experimental comparative study of photovoltaic models for uniform and partially shading conditions

Moreira, Hugo Soeiro; Silva, João Lucas de Souza; Reis, Marcos Vinícios Gomes dos; Mesquita, Daniel de Bastos; Paula, Bruno Henrique Kikumoto de; Villalva, Marcelo Gradella

doi:10.1016/j.renene.2020.08.086

Cited by 25 publications

(8 citation statements)

References 34 publications

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“…The accuracy of the model is estimated by comparing the difference between the simulated and measured I-V and P-V curves. In many existing studies, the evaluation is focused only on three typical points on the I-V curve, so usually only the relative error for short-circuit current, open-circuit voltage, and maximum power current and voltage is given (see, e.g., [26,29,30]). In this paper, the differences between simulation and measurement along the entire I-V and P-V curves are considered when estimating the accuracy of the simulation for a particular shading scenario.…”

Section: Methodsmentioning

confidence: 99%

Accuracy of Simscape Solar Cell Block for Modeling a Partially Shaded Photovoltaic Module

Betti,

Kristić,

Marasović

et al. 2024

Energies

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With half-cut photovoltaic (PV) modules being the dominant technology on the market, there is an increasing necessity for accurate modeling of this module type. Circuit simulators such as Simulink are widely used to study different topics regarding photovoltaics, often employing a solar cell block available from the Simcape library. The purpose of this work is to validate this model against measurements for a partially shaded half-cut PV module. Diverse shading scenarios are created by varying the number of shaded substrings, the number of shaded solar cells in the substring, and the shading level. For every shading scenario, the PV module’s I-V curve is measured, along with in-plane irradiance, air temperature, and module temperature. A comprehensive evaluation of simulation accuracy is presented. The results confirm a high accuracy of the model with mean nRMSE values of 2.2% for I-V curves and 2.8% when P-V curves are considered. It is found that the simulation errors tend to increase when increasing the number of shaded substrings. At the same time, no obvious dependency of simulation accuracy on the shading level or the number of shaded solar cells in the substring is found.

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Section: Methodsmentioning

confidence: 99%

Accuracy of Simscape Solar Cell Block for Modeling a Partially Shaded Photovoltaic Module

Betti,

Kristić,

Marasović

et al. 2024

Energies

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“…In the literature, many MPPT control techniques have been proposed. [3,[7][8][9] The pros and cons of these techniques have been examined. [10] They can be classified into offline and online techniques.…”

Section: Literature Reviewmentioning

confidence: 99%

An Intelligent Tunicate Swarm Algorithm Based MPPT Control Strategy for Multiple Configurations of PV Systems Under Partial Shading Conditions

Mansoor

Mirza

Feng³

et al. 2021

Advcd Theory and Sims

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Solar energy is the most techno-economically viable renewable source of energy and can be effectively converted into electrical power by Photovoltaic (PV) systems. As partial shading (PS) may reduce the harvested energy of PV systems, this paper proposes a novel tunicate swarm algorithm (TSA) based MPPT (maximum power point tracking) strategy to tackle the PS issue. More specifically, the simple and effective modeling of TSA with a search and skipping (SAS) scheme is utilized to minimize the tracking time and search area. The SAS scheme can discard the voltage range lacking global maximum power point (GMPP) and significantly reduce computation time. Consequently, power tracking, tracking time, and robustness can be greatly enhanced. The performance of the proposed TSA strategy is comprehensively analyzed against state-of-the-art techniques, including incremental conductance (InC), improved particle swarm optimization (IPSO), grey wolf optimization (GWO), and cuckoo search algorithm (CSA), through detailed case studies, which include standard array configurations, PS conditions, varying irradiance patterns, fast-changing temperature, and the field atmospheric data. TSA is further validated on a low-cost hardware setup, confirming its superior performance. The results provide insightful validation of the practicality of the proposed TSA strategy in the real-world applications.

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“…However, the move to cleaner energy generation is the largest obstacle scientists must surmount to combat the climate change catastrophe [5]. Solar energy is the most accessible and abundant renewable and clean energy source [6], [7].…”

Section: Introductionmentioning

confidence: 99%

Shading Effect of Transparent Photovoltaic Panels on Crops Underneath Agrivoltaic Systems

Seyedpour Esmaeilzad,

Gürsel Dino,

Güney

et al. 2024

AgriVoltaics Conf Proc

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Agrivoltaic systems combine soil-grown crops with photovoltaic (PV) panels erected several meters above the ground. Combining solar panels and food crops on the same land can maximize land utilization. Under the PV panels, however, microclimate factors like solar radiation, air temperature, humidity, and soil temperature change. An agrivoltaic system must optimize sunlight sharing between solar panels and crops to maximize food energy production. It has been challenging to improve and analyze the performance of agrivoltaic systems due to the lack of a defined crop-specific parameter. In this work, we present a practical option to partially replace bifacial modules with semi-transparent ones, providing comparable levels of crop protection and greater climate change resilience while generating green energy and increasing land-use efficiency. The agrivoltaic system must be tailored to satisfy the needs of crops. For this purpose, a simulation model was conducted, which examined the impact of module transparency and cell layout based on light availability.

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Experimental comparative study of photovoltaic models for uniform and partially shading conditions

Cited by 25 publications

References 34 publications

Accuracy of Simscape Solar Cell Block for Modeling a Partially Shaded Photovoltaic Module

Accuracy of Simscape Solar Cell Block for Modeling a Partially Shaded Photovoltaic Module

An Intelligent Tunicate Swarm Algorithm Based MPPT Control Strategy for Multiple Configurations of PV Systems Under Partial Shading Conditions

Shading Effect of Transparent Photovoltaic Panels on Crops Underneath Agrivoltaic Systems

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