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Artykuły w czasopismach na temat „Photovoltaic (PV) array”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Zhao, Jian, Qian Sun, Ning Zhou, Hao Liu, and Haizheng Wang. "A Photovoltaic Array Fault Diagnosis Method Considering the Photovoltaic Output Deviation Characteristics." International Journal of Photoenergy 2020 (March 1, 2020): 1–11. http://dx.doi.org/10.1155/2020/2176971.

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There are a large number of photovoltaic (PV) arrays in large-scale PV power plants or regional distributed PV power plants, and the output of different arrays fluctuates with the external conditions. The deviation and evolution information of the array output are easily covered by the random fluctuations of the PV output, which makes the fault diagnosis of PV arrays difficult. In this paper, a fault diagnosis method based on the deviation characteristics of the PV array output is proposed. Based on the current of the PV array on the DC (direct current) side, the deviation characteristics of t

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Sibai, Fadi N. "Maximizing aged photovoltaic array power: a computer modelling study." Clean Energy 8, no. 1 (2024): 171–87. http://dx.doi.org/10.1093/ce/zkad079.

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Abstract Photovoltaic (PV) modules age with time for various reasons such as corroded joints and terminals and glass coating defects, and their ageing degrades the PV array power. With the help of the PV array numerical model, this paper explores the effects of PV module ageing on the PV array power, and the power gains and costs of rearranging and recabling aged PV modules in a PV array. The numerical PV array model is first revised to account for module ageing, rearrangement and recabling, with the relevant equations presented herein. The updated numerical model is then used to obtain the ar

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3

Zhang, Zhihan, Qiaoyu Wang, Demou Cao, and Kai Kang. "Impact of Photovoltaics." Modern Electronic Technology 5, no. 1 (2021): 5. http://dx.doi.org/10.26549/met.v5i1.6315.

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Photovoltaics (PV) can convert sunlight into electricity by making use of the photovoltaic effect. Solar panels consist of photovoltaic cells made of semiconductor materials (such as silicon) to utilise the photovoltaic effect and convert sunlight into direct current (DC) electricity. Nowadays, PV has become the cheapest electrical power source with low price bids and low panel prices. The competitiveness makes it a potential path to mitigate the global warming. In this paper, we investigate the relationship of PC array output with irradiance and temperature, the performance of PV array over 2

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4

Abdullah, Ghoname, Hidekazu Nishimura, and Toshio Fujita. "An Experimental Investigation on Photovoltaic Array Power Output Affected by the Different Partial Shading Conditions." Energies 14, no. 9 (2021): 2344. http://dx.doi.org/10.3390/en14092344.

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This paper presents an experimental investigation on photovoltaic array (PV array) power output affected by partial shading conditions (PSCs). An experiment setup of a PV array with a series configuration using 2 × 4 photovoltaic modules (PV modules) was built. The power output loss due to the shading effect on the first photovoltaic cells (PV cell) connected with bypass diodes of each photovoltaic module, installed in the PV array in the horizontal direction, was evaluated. Depending on the direction of the sun relative to the PV array configuration, the shading percentage was measured during

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5

Tariq, Emad Ali, A. Abdala Mohammed, Al-Khaykan Ameer, A. Alwahab Dhulfiqar, and M. Counsell John. "Energy generation by crystalline silicon photovoltaic network per meter square in Iraq." International Journal of Electrical and Computer Engineering (IJECE) 13, no. 4 (2023): 3606–12. https://doi.org/10.11591/ijece.v13i4.pp3606-3612.

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Iraqi people have been without energy for nearly two decades, even though their geographic position provides a high intensity of radiation appropriate for the construction of solar plants capable of producing significant quantities of electricity. Also, the annual sunny hours in Iraq are between 3,600 to 4,300 hours which makes it perfect to use the photovoltaics arrays to generate electricity with very high efficiency compared to many countries, especially in Europe. This paper shows the amount of electric energy generated by the meter square of crystalline silicon in the photovoltaic (PV) ar

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6

Aizad Khursheed, Abul Saeed Azad. "Improvement of the Performance of Solar PV Array topologies under various partial shadowing situations." Journal of Information Systems Engineering and Management 10, no. 26s (2025): 409–20. https://doi.org/10.52783/jisem.v10i26s.4243.

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The partial shadowing effect significantly lowers the solar photovoltaic (PV) array's output power. To lessen the impacts of partial shade in PV arrays, several researchers have proposed a variety of array construction and reconfiguration strategies. In order to enhance performance under partial shadowing circumstances (PSCs), this research suggests novel PV array topologies (PVATs).Partial shadowing is a common occurrence for photovoltaic (PV) systems, and it significantly impairs the overall performance and efficiency of solar arrays. A precise understanding of how shadowing affects PV panel

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7

Tong, Qiang, Donghui Li, Xin Ren та ін. "Classification Method of Photovoltaic Array Operating State Based on Nonparametric Estimation and 3σ Method". Sustainability 15, № 10 (2023): 7769. http://dx.doi.org/10.3390/su15107769.

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Photovoltaic (PV) array, as the key component of large-scale PV power stations, is prone to frequent failure that directly affects the efficiency of PV power stations. Therefore, accurate classification of the operating state of PV arrays is the basis for fault location. Thus, a novel classification method for PV array operating state was designed based on nonparametric estimation and a 3σ method. The actual data analysis proves the hypothesis that performance ratio (PR) distribution characteristics of PV arrays can characterize the operating state of PV arrays. The modeling curve of the PV ar

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8

Jia, Wen Ting, Xue Ye Wei, Jun Hong Zhang, and Yi Fei Meng. "Optimization of Photovoltaic Array Configurations in Photovoltaic System." Advanced Materials Research 1070-1072 (December 2014): 48–51. http://dx.doi.org/10.4028/www.scientific.net/amr.1070-1072.48.

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Closely related to the actual output power and the light intensity, the temperature of the photovoltaic cell panel and the load of the PV array or the like. In the case of the external environment is stable and load conditions change, the output power of the PV modules exist Maximum Power Point, in order to improve the self-tracking PV system energy conversion efficiency, maximum power point tracking method may ensure the system running at maximum power points. Photovoltaic power generation system, optimize allocation method of PV array are also discussed in this paper.

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9

Alkahtani, Mohammed, Yihua Hu, Zuyu Wu, Colin Sokol Kuka, Muflih S. Alhammad, and Chen Zhang. "Gene Evaluation Algorithm for Reconfiguration of Medium and Large Size Photovoltaic Arrays Exhibiting Non-Uniform Aging." Energies 13, no. 8 (2020): 1921. http://dx.doi.org/10.3390/en13081921.

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Aging is known to exert various non-uniform effects on photovoltaic (PV) modules within a PV array that consequently can result in non-uniform operational parameters affecting the individual PV modules, leading to a variable power output of the overall PV array. This study presents an algorithm for optimising the configuration of a PV array within which different PV modules are subject to non-uniform aging processes. The PV array reconfiguration approach suggests maximising power generation across non-uniformly aged PV arrays by merely repositioning, rather than replacing, the PV modules, ther

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10

Chen, Yichao, Yizhou Wang, Zichao Li, Yichao Zhu, and Yuxiao Sun. "A novel array connection strategy for improving power generation efficiency of photovoltaic systems during localized shading." Journal of Physics: Conference Series 2849, no. 1 (2024): 012110. http://dx.doi.org/10.1088/1742-6596/2849/1/012110.

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Abstract To improve the photovoltaic (PV) system in the local shadow when the power generation efficiency, a PV module series DC/DC converter is the basic unit for a new form of photovoltaic array—distributed converter photovoltaic arrays. This paper selects the DC/DC as a buck converter. The maximum power is tracked by the buck converter with each PV module to realize the maximum power tracking of the uneven irradiation and the inconsistency of output characteristics caused by manufacturing differences and to avoid the complexity of the maximum power tracking algorithm at the same time, and t

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11

Katiki, Dileep, Chandrasekhar Yammani, and Surender Reddy Salkuti. "Improved-Odd-Even-Prime Reconfiguration to Enhance the Output Power of Rectangular Photovoltaic Array under Partial Shading Conditions." Electronics 12, no. 2 (2023): 427. http://dx.doi.org/10.3390/electronics12020427.

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The output power of a PV (photovoltaic) array decreases due to the partial shading condition (PSC). If one or more PV modules receives less irradiance compared to other PV modules in a PV array then it is called PSC. To enhance the output power of PV array under PSC, Sudoku, and Optimal Sudoku Reconfiguration techniques are available in the literature for perfect squared PV arrays, such as 4 × 4, 9 × 9, and 16 × 16. Odd–Even and Odd–Even–Prime reconfigurations are available for rectangular PV arrays. To enhance the output power of rectangular PV array further, this paper proposed a new reconfi

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12

KESKİN, Vedat. "EXERGOECONOMIC ANALYSIS OF A PHOTOVOLTAIC ARRAY AFFECTED BY DYNAMIC SHADING." Journal of Scientific Reports-A, no. 052 (March 29, 2023): 35–50. http://dx.doi.org/10.59313/jsr-a.1197773.

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Photovoltaic (PV) panels are affected by undesirable elements that exist around them, trees, structures, clouds, etc., as well as natural dirt, and dust accumulation on the PV surfaces. Unfortunately, partial shading falling on top of the PV panels may affect badly the output of photovoltaic arrays. In this study, an exergoeconomic analysis has been performed on the impact of dynamic partial shading created by a mislocated building on a photovoltaic array. Both experimental and theoretical results of this study have been compared on ambient temperature, solar radiation intensity, and shading r

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13

Ardhenta, Lunde, and Wijono Wijono. "Photovoltaic Array Modeling under Uniform Irradiation and Partial Shading Condition." International Journal of Applied Power Engineering (IJAPE) 6, no. 3 (2017): 142. http://dx.doi.org/10.11591/ijape.v6.i3.pp142-149.

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Wind energy and solar energy are the prime energy sources which are being utilized for renewal energy. The performance of a photovoltaic (PV) array for solar energy is affected by temperature, irradiation, shading, and array configuration. Often, the PV arrays are shadowed, completely or partially, by the passing clouds, neighboring buildings and towers, trees, and utility and telephone poles. Under partially shaded conditions, the PV characteristics are more complex with multiple peaks, hence, it is very important to understand and predict the MPP under PSC in order to extract the maximum pos

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14

Ardhenta, Lunde, and Wijono Wijono. "Photovoltaic Array Modeling under Uniform Irradiation and Partial Shading Condition." International Journal of Applied Power Engineering (IJAPE) 6, no. 3 (2017): 144. http://dx.doi.org/10.11591/ijape.v6.i3.pp144-152.

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Wind energy and solar energy are the prime energy sources which are being utilized for renewal energy. The performance of a photovoltaic (PV) array for solar energy is affected by temperature, irradiation, shading, and array configuration. Often, the PV arrays are shadowed, completely or partially, by the passing clouds, neighboring buildings and towers, trees, and utility and telephone poles. Under partially shaded conditions, the PV characteristics are more complex with multiple peaks, hence, it is very important to understand and predict the MPP under PSC in order to extract the maximum pos

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15

Bojic, Milorad, Alexandre Patou Parvedy, Frédéric Miranville Miranville, et al. "Photovoltaic electricity production in a residential house on Réunion." Journal of Energy in Southern Africa 24, no. 2 (2013): 50–56. http://dx.doi.org/10.17159/2413-3051/2013/v24i2a3130.

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In this paper, the electrical energy generation of photovoltaic (PV) arrays is discussed for three cities on the island of Réunion (the Republic of France) located in the Indian Ocean. Each PV array has a different orientation as it is placed at different parts of the roof of a residential house that supposedly is a sustainable building. The electrical energy generation is obtained by using EnergyPlus software and measured solar radiation data. The highest generation of electric energy is found for the PV array located at the north roof surface. The generation of electric energy at the east-fa

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16

Sarhaddi, Faramarz, Said Farahat, Hossein Ajam, and Amin Behzadmehr. "Exergetic Optimization of a Solar Photovoltaic Array." Journal of Thermodynamics 2009 (February 10, 2009): 1–11. http://dx.doi.org/10.1155/2009/313561.

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An exergetic optimization is developed to determine the optimal performance and design parameters of a solar photovoltaic (PV) array. A detailed energy and exergy analysis is carried out to evaluate the electrical performance, exergy destruction components, and exergy efficiency of a typical PV array. The exergy efficiency of a PV array obtained in this paper is a function of climatic, operating, and design parameters such as ambient temperature, solar radiation intensity, PV array temperature, overall heat loss coefficient, open-circuit voltage, short-circuit current, maximum power point volt

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Haval, Abhijeet Madhukar, and Md Afzal. "Power System Stability Improvement Through PV Integration and Unified Power Flow Control." E3S Web of Conferences 564 (2024): 05018. http://dx.doi.org/10.1051/e3sconf/202456405018.

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The unified power flow controller (UPFC) has been shown to benefit significantly from the contributions of photovoltaic (PV), according to the consensus between scientists. The power quality issues (PQI) and stability in real-world voltage sag/swell and harmonics have been significantly improved as a result of photovoltaic (PV) technology, as is evident. Additionally, there is a growing interest in the incorporation of photovoltaics (PV) into the electrical power system (EPS). In order to strengthen the stability of the situation, this generates a UPFC by employing the maximum power point trac

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18

Megantoro, Prisma, Abdul Abror, Muhammad Akbar Syahbani, et al. "Autonomous and smart cleaning mobile robot system to improve the maintenance efficiency of solar photovoltaic array." Bulletin of Electrical Engineering and Informatics 12, no. 6 (2023): 3288–97. http://dx.doi.org/10.11591/eei.v12i6.5950.

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A solar photovoltaic (PV) array is part of a PV power plant as a generation unit. PV array that are usually placed on top of buildings or the ground will be very susceptible to dirt and dust. Thus, this dirt and dust will be able to reduce the performance and work efficiency of the generation unit. Cleaning PV arrays by manpower requires high effort, cost, and risk, especially in higher location. This study presents the design of a mobile robot that is used to replace human labor to clean PV arrays. That way, the PV array maintenance steps can reduce operational costs and risks. This intellige

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19

Nieto Vallejo, Andres Eduardo, Fredy Ruiz, and Diego Patiño. "Characterization of electric faults in photovoltaic array systems." DYNA 86, no. 211 (2019): 54–63. http://dx.doi.org/10.15446/dyna.v86n211.79085.

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Electric faults in photovoltaic (PV) systems cause negative economic and safety impacts, reducing their performance and causing unwanted electric connections that can be dangerous for the user. Line to line, ground and open circuit faults, are three of the main faults that happen in a photovoltaic array system. This work proposes a characterization of the equivalent circuits and the voltage-power (VP) curves at the output of multiple PV arrays under different topological configurations and fault conditions to evaluate the effects of these three main faults on the performance of a photovoltaic

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Burhanudin, K., N. A. Kamarzaman, A. A. A. Samat, A. I. Tajudin, S. S. Ramli, and N. Hidayat. "An Improved Photovoltaic Array Configuration for Photovoltaic System in the Presence of Maximum Power Point Tracking during Partial Shading Condition." Indonesian Journal of Electrical Engineering and Computer Science 6, no. 2 (2017): 301. http://dx.doi.org/10.11591/ijeecs.v6.i2.pp301-309.

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Power-Voltage (P-V) curve and Current-Voltage (I-V) curve determine the performance of the PV system. In this work, the arrangements of the PV module were reconstructed by adding the number of PV module in 3 strings configuration from 5 to 45. This method enhance the performance of the PV system as it able to show the characteristic of the P-V and I-V curve during partial shading and maximum irradiance despite higher number of PV panel. This study focuses on improving the PV array configuration and simulation speed of the PV panel. The simulation of small size PV array is possible, but the pro

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Li, Ruide, Wenjun Yan, and Chaoqun Xia. "Dual-Branch Diffusion Detection Model for Photovoltaic Array and Hotspot Defect Detection in Infrared Images." Remote Sensing 17, no. 6 (2025): 1084. https://doi.org/10.3390/rs17061084.

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Failures in solar photovoltaic (PV) modules generate heat, leading to various hotspots observable in infrared images. Automated hotspot detection technology enables rapid fault identification in PV systems, while PV array detection, leveraging geometric cues from infrared images, facilitates the precise localization of defects. This study tackles the complexities of detecting PV array regions and diverse hotspot defects in infrared imaging, particularly under the conditions of complex backgrounds, varied rotation angles, and the small scale of defects. The proposed model encodes infrared image

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Zhong, Qian Wen, Yang Xu, Jie Yang, and Zhuo Meng. "PV Array Mathematical Model Optimization Based on Monitoring Data." Applied Mechanics and Materials 376 (August 2013): 336–40. http://dx.doi.org/10.4028/www.scientific.net/amm.376.336.

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The type of Solar panels in photovoltaic power generating system is generally photovoltaic array. On the basis of the photovoltaic array mathematical model for engineering , using the mathematical software MATLAB Simulink tool to build a photovoltaic array simulation model and utilizing monitoring data acquired by the detection system-Sunny Sensor Box-for Donghua University photovoltaic power generating system, the mathematical model of the PV array for engineering is optimized and the optimization includes linear and natural exponential optimization. Furthermore, higher accuracy of the optimi

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Wang, Xiu Ling, and Rong Sheng Meng. "An Asymmetric Fuzzy Method for MPPT Control of PV System." Advanced Materials Research 341-342 (September 2011): 323–27. http://dx.doi.org/10.4028/www.scientific.net/amr.341-342.323.

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In this paper an Asymmetric Fuzzy Method for MPPT Control of PV System was described, which is focus on the nonlinear characteristics of solar arrays and it is necessary to create control rules that meet the output characteristics of the solar arrays. Asymmetric Fuzzy control method can solve this question: the input function and membership function reflect characteristics of photovoltaic array adequately, which is different from traditional symmetric fuzzy control. So we can adjust to the disturbance step according to the characteristics of photovoltaic array.

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Balouktsis, A., T. D. Karapantsios, K. Anastasiou, A. Antoniadis, and I. Balouktsis. "Load matching in a direct-coupled photovoltaic system-application to Thevenin's equivalent loads." International Journal of Photoenergy 2006 (2006): 1–7. http://dx.doi.org/10.1155/ijp/2006/27274.

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A methodology is developed for the assessment of load matching and further estimation of the optimum photovoltaic (PV) arrays arrangement over a prolonged period of time. The method calls for the calculation of the appropriate effectiveness factor defined as the ratio of the load energy over the maximum energy that can be produced by the PV array for a specific time period. The effectiveness factor depends on the PV array characteristics, the load characteristics, and the solar irradiance conditions. To produce realistic predictions for the effectiveness factor and the PV arrays arrangement wi

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Udenze, Peter, Yihua Hu, Huiqing Wen, Xianming Ye, and Kai Ni. "A Reconfiguration Method for Extracting Maximum Power from Non-Uniform Aging Solar Panels." Energies 11, no. 10 (2018): 2743. http://dx.doi.org/10.3390/en11102743.

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Aging affects different photovoltaic (PV) modules in a PV array in a non-uniform way, thereby leading to non-uniform working conditions of the PV modules and resulting in variations in the power outputs of the PV array. In this paper, an algorithm is developed for optimising the electrical configuration of a PV array during the non-uniform aging processes amongst the PV modules. A new PV array reconfiguration method is proposed to maximize the power generation from non-uniformly aged PV arrays through rearrangements of the positions of the PV modules without having to replace the aged PV modul

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Ainah, P. K., and S. Ugemuge. "Effect and Behaviour of Photovoltaic Array Power under Intermittency." European Journal of Engineering and Environmental Sciences 8, no. 2 (2024): 1–9. https://doi.org/10.5281/zenodo.13891497.

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Photovoltaic (PV) arrays are a critical component in the global transition towards renewable energy, but they face significant challenges due to intermittency, which refers to fluctuations in solar irradiance caused by environmental factors such as cloud cover, shading, and atmospheric conditions. MATLAB/Simulink environment was used to model and simulate the PV array under different intermittency scenarios. This study investigates the effect of intermittency on the performance of a PV array with a maximum power output of 3980 watts. The study analyses the impact of varying irradiance levels o

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Liu, Xiaoguang, and Yuefeng Wang. "Reconfiguration Method to Extract More Power from Partially Shaded Photovoltaic Arrays with Series-Parallel Topology." Energies 12, no. 8 (2019): 1439. http://dx.doi.org/10.3390/en12081439.

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A photovoltaic (PV) array is composed of several panels connected in series-parallel topology in most actual applications. However, partial shading of a PV array can dramatically reduce power generation. This paper presents a new reconfiguration method to extract more power from PV arrays under partial shade conditions. The method is designed using the effective maximum power point current and voltage of a PV panel. Its advantages involve (i) the method reconfigures the PV array without measuring the irradiance profile, and (ii) the reconfiguration is executed on the level of a PV module. Base

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Li, Xiaofei, Zhao Wang, Yinnan Liu, et al. "A Novel Operating State Evaluation Method for Photovoltaic Strings Based on TOPSIS and Its Application." Sustainability 15, no. 9 (2023): 7268. http://dx.doi.org/10.3390/su15097268.

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PV strings are essential for energy conversion in large-scale photovoltaic (PV) power plants. The operating state of PV strings directly affects the power generation efficiency and economic benefits of PV power plants. In the process of evaluating PV arrays, a reference array needs to be identified. By comparing PV arrays with the reference array, the operational status of the PV arrays can be evaluated. However, in the actual operation of PV power stations, it is difficult to directly determine the reference state of a PV array due to random fluctuations in the PV power output. In order to so

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Mohammad, Syahir Bin Ishak, Hidayah Salimin Rahmatul, Musirin Ismail, and Abdul Hamid Zulkiffli. "Development of PV array configuration under different partial shading condition." International Journal of Power Electronics and Drive System (IJPEDS) 10, no. 3 (2019): 1263–69. https://doi.org/10.11591/ijpeds.v10.i3.pp1263-1269.

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This paper investigates the performances of different photovoltaic (PV) array under several shading condition. Four types of photovoltaic array configuration scheme which are ‘Series’ (S), Series-Parallel’ (SP), Total-Cross-Tied’ (TCT), and ‘Bridge-Link’ (BL) array topologies were tested by applying a 6x6 PV array under 6 different shading scenarios. The modeling is developed using Matlab/Simulink. The performances and output characteristics of photovoltaic array are compared and analyzed. System engineer can use the detailed characteristics of different arr

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Rajanna, B. V., and Malligunta Kiran Kumar. "Chopper-Based Control Circuit for BESS Integration in Solar PV Grids." Energies 14, no. 6 (2021): 1530. http://dx.doi.org/10.3390/en14061530.

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The power delivered by photovoltaic (PV) arrays is dependent on environmental factors, and hence the availability and quality of power delivered by the PV array is low. These issues can be mitigated by integrating a battery energy storage system (BESS) with PV arrays. The integration of the BESS with PV arrays requires controller circuits to regulate power flow between the BESS, PV array, and the load. In this paper, a boost converter-based controller is proposed. The proposed controller has higher reliability and efficiency, and lower operational complexity. It improves the power quality and

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Ghabuzyan, Levon, Kevin Pan, Arianna Fatahi, Jim Kuo, and Christopher Baldus-Jeursen. "Thermal Effects on Photovoltaic Array Performance: Experimentation, Modeling, and Simulation." Applied Sciences 11, no. 4 (2021): 1460. http://dx.doi.org/10.3390/app11041460.

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The performance of photovoltaic (PV) arrays are affected by the operating temperature, which is influenced by thermal losses to the ambient environment. The factors affecting thermal losses include wind speed, wind direction, and ambient temperature. The purpose of this work is to analyze how the aforementioned factors affect array efficiency, temperature, and heat transfer coefficient/thermal loss factor. Data on ambient and array temperatures, wind speed and direction, solar irradiance, and electrical output were collected from a PV array mounted on a CanmetENERGY facility in Varennes, Canad

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Rehman, Huma, Ali Faisal Murtaza, Hadeed Ahmed Sher, et al. "Neighboring-Pixel-Based Maximum Power Point Tracking Algorithm for Partially Shaded Photovoltaic (PV) Systems." Electronics 11, no. 3 (2022): 359. http://dx.doi.org/10.3390/electronics11030359.

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In this paper, a neighboring-pixel-based virtual imaging (NPBVI) technique is developed to comprehensively detect the shading conditions on PV arrays. The proposed VI technique is then merged with a probabilistic mechanism of shaded module currents. Finally, a mathematical model is presented, which predicts the current voltage (I-V) region corresponding to the global maximum (GM) of the shaded PV array. The effectiveness of the proposed NPBVI MPPT is validated through numerous experiments that were carried out using a hardware prototype with a 150 W power rating. For the experiments, a PV arra

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Nguyen-Duc, Tuyen, Thinh Le-Viet, Duong Nguyen-Dang, Tung Dao-Quang, and Minh Bui-Quang. "Photovoltaic Array Reconfiguration under Partial Shading Conditions Based on Short-Circuit Current Estimated by Convolutional Neural Network." Energies 15, no. 17 (2022): 6341. http://dx.doi.org/10.3390/en15176341.

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Partial shading conditions (PSC) have negative effects on the operation of photovoltaic (PV) systems. In this paper, a PV array reconfiguration method is developed to minimize power losses of PV arrays under partial shading conditions. The proposed reconfiguration method is based on equalizing the reduction of the short-circuit current of the PV modules in the PV array. Eight state-of-the-art Convolutional Neural Network models are employed to estimate the effect of shading on the short-circuit current of a PV module. These models include LeNet-5, AlexNet, VGG 11, VGG 19, Inception V3, ResNet

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Tazally, M. A. I. A., M. F. N. Tajuddin, A. Azmi, S. M. Ayob, and T. Sutikno. "Differential Evolution Based Solar Photovoltaic Array Reconfiguration Algorithm for Optimal Energy Extraction during Partial Shading Condition." International Journal of Power Electronics and Drive Systems (IJPEDS) 9, no. 3 (2018): 1397. http://dx.doi.org/10.11591/ijpeds.v9.i3.pp1397-1405.

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To increase energy yield from an installed photovoltaic (PV) array, particularly during partial shading condition (PSC), a new technique based on reconfigurable PV array interconnection is proposed in this work. The proposed technique works by dynamically changing the interconnection of PV modules to form a new configuration using a switching matrix inside the array. The criteria of good reconfigurable PV array interconnection techniques depend on the efficiency and accuracy of the control algorithm to optimally reconfigure the PV array to maximize the total output power. Hence, this paper pro

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Shan, Chuan, Kangwen Sun, Dongji Cheng, Xinzhe Ji, Jian Gao, and Tong Zou. "A Novel Reverse Combination Configuration to Reduce Mismatch Loss for Stratospheric Airship Photovoltaic Arrays." Applied Sciences 14, no. 2 (2024): 747. http://dx.doi.org/10.3390/app14020747.

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Enhancing the output power of stratospheric airship photovoltaic arrays during months with weak irradiance is crucial for extending the endurance of airships. Models for predicting the output power of photovoltaic arrays and the phenomenon of mismatch losses have been proposed. However, static reconstruction schemes to reduce or eliminate mismatch losses have not been studied. In this paper, an output power model for stratospheric airship arrays including the solar radiation and irradiance distribution is established. The characteristics of the irradiance distribution for the photovoltaic arra

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Antani, Tithi Anish. "Design and Simulation of Photovoltaic Array." Asian Journal of Electrical Sciences 8, S1 (2019): 65–70. http://dx.doi.org/10.51983/ajes-2019.8.s1.2303.

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This paper illustrates a simple yet accurate method of modelling photovoltaic array. By adjusting the curve at three points: open circuit, maximum power, and short circuit, the parameter of the nonlinear equation can be determined. The information about these three major points is provided by all commercial array datasheets, using this data we can easily find the best I-V equation for the single-diode photovoltaic (PV) model. Adjusting the parameters of I–V equation, one can build a PV circuit model with any circuit simulator by using basic math blocks. The proposed circuit model and modeling

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Ishak, Mohammad Syahir Bin, Rahmatul Hidayah Salimin, Ismail Musirin, and Zulkiffli Abdul Hamid. "Development of PV array configuration under different partial shading condition." International Journal of Power Electronics and Drive Systems (IJPEDS) 10, no. 3 (2019): 1263. http://dx.doi.org/10.11591/ijpeds.v10.i3.pp1263-1269.

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This paper investigates the performances of different photovoltaic (PV) array under several shading condition. Four types of photovoltaic array configuration scheme which are ‘Series’ (S), Series-Parallel’ (SP), Total-Cross-Tied’ (TCT), and ‘Bridge-Link’ (BL) array topologies were tested by applying a 6x6 PV array under 6 different shading scenarios. The modeling is developed using Matlab/Simulink. The performances and output characteristics of photovoltaic array are compared and analyzed. System engineer can use the detailed characteristics of different array configuration to approximate the

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ULAGANATHAN, SUNDARAM MEENAKSHI, RATHINAM MUNIRAJ, RADHAKRISHNAN VIJAYANAND, and DURAIRAJ DEVARAJ. "NOVEL SOLAR PHOTOVOLTAIC EMULATION FOR VALIDATING THE MAXIMUM POWER POINT ALGORITHM AND POWER CONVERTER." REVUE ROUMAINE DES SCIENCES TECHNIQUES — SÉRIE ÉLECTROTECHNIQUE ET ÉNERGÉTIQUE 68, no. 4 (2023): 407–12. http://dx.doi.org/10.59277/rrst-ee.2023.4.14.

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The photovoltaic (PV) source emulator plays an essential role in evaluating the performance of solar PV arrays, maximum power point (MPPT algorithms), power converters, and control algorithms in the rapidly growing field of solar power generation. This paper presents a novel neural network (NN)--based solar array emulator (SAE) for emulating PV array dynamic characteristics. The proposed SAE reference model, developed using NN, replicates PV array characteristics with a programmable dc power source's support under varying environmental conditions. A 640 W stand-alone PV system is designed and

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Mahmoud, Soliman, and Heba Mohamed. "High Accuracy Modeling Method for Photovoltaic Arrays." Advanced Materials Research 512-515 (May 2012): 238–41. http://dx.doi.org/10.4028/www.scientific.net/amr.512-515.238.

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This paper proposes high accuracy modeling approach for PV arrays. The I-V characteristic of PV cell is described by nonlinear equation that’s complicated to be solved by the ordinary mathematical methods. The main theme of this contribution is to use a robust algorithm to solve for all single diode model parameters. Validation of the model with experimental data of Solarex MSX60 solar array is provided.

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, Meneni Saigeetha, G. Vaddikasulu. "A Cuckoo MPPT based SMC Control for Grid tied PV System." International Journal for Modern Trends in Science and Technology, no. 8 (August 5, 2020): 22–26. http://dx.doi.org/10.46501/ijmtst060805.

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Maximum power point techniques (MPPT) are used in photovoltaic system to make full utilization of PV array output power. The output power of PV array is always changing with weather conditions i.e., solar irradiation and atmospheric temperature. PV cell generates power by converting sunlight into electricity. The electric power generated is proportional to solar radiation. PV cell can generate around 0.5 to 0.8 volts. During cloudy weather due to varying insolation levels the output of PV array varies. The MPPT is a process which tracks the maximum power from array and by increasing the duty c

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Agrawal, Niti. "Performance of conventional and modified solar photovoltaic array configuration under the combined effect of seasonal variation and partial shaded conditions." Journal of Energy Systems 9, no. 1 (2025): 52–67. https://doi.org/10.30521/jes.1523575.

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The energy yield of the photovoltaic (PV) array varies with every season, primarily due to variation in the availability of solar insolation and ambient temperature. Moreover, the energy generation of an installed PV array gets severely impacted by the partial shading conditions (PSCs), which occurs when neighbouring objects or even debris cast shadow on some portion of the array. The combined effect of seasonal variation and partial shading can lead to more pronounced fluctuation and deterioration in the energy yield of the PV array. In this work, the performance of a conventional and modifie

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Tam, Le Thi Minh, Nguyen Van Duong, Nguyen Thanh Tien, and Nguyen Viet Ngu. "A Study on the Output Characteristic of Photovoltaic Array under Partially Shaded Conditions." Applied Mechanics and Materials 472 (January 2014): 198–205. http://dx.doi.org/10.4028/www.scientific.net/amm.472.198.

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Efficiency of Photovoltaic (PV) array is affected by surface temperature, solar irradiance, shadow and shape of the PV array. Under partially shaded conditions, the maximum power point tracking method will be hardly controlled since the output power characteristic of the PV array is complex with many spikes. In the present study, characteristics of PV array were therefore established under partially shaded conditions by using Matlab/Simulink. The output characteristics of the PV array under partially shaded conditions were calculated and analyzed. These output characteristics significantly dep

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Lipták, Róbert, and István Bodnár. "Simulation of fault detection in photovoltaic arrays." Analecta Technica Szegedinensia 15, no. 2 (2021): 31–40. http://dx.doi.org/10.14232/analecta.2021.2.31-40.

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In solar systems, faults in the module and inverter occur in proportion to increased operating time. The identification of fault types and their effects is important information not only for manufacturers but also for investors, solar operators and researchers. Monitoring and diagnosing the condition of photovoltaic (PV) systems is becoming essential to maximize electric power generation, increase the reliability and lifetime of PV power plants. Any faults in the PV modules cause negative economic and safety impacts, reducing the performance of the system and making unwanted electric connectio

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Cao, Cheng Sha. "Modeling and Solving on the Solar Photovoltaic Cells Paving Optimization on Buildings." Applied Mechanics and Materials 538 (April 2014): 256–59. http://dx.doi.org/10.4028/www.scientific.net/amm.538.256.

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The paving optimization of PV panels on buildings is an issue deserved to be studied. The issue is divided into three parts. First, choose the right PV cell aimed at maximum the PV generation. Second, determine the arrangement of the photovoltaic array aimed at the cost of all packages. Third, plan the model of photovoltaic array. At the end of the paper, the author gives the summary of the issue.

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Alkahtani, Mohammed, Zuyu Wu, Colin Sokol Kuka, Muflah S. Alahammad, and Kai Ni. "A Novel PV Array Reconfiguration Algorithm Approach to Optimising Power Generation across Non-Uniformly Aged PV Arrays by Merely Repositioning." J — Multidisciplinary Scientific Journal 3, no. 1 (2020): 32–53. http://dx.doi.org/10.3390/j3010005.

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Photovoltaic (PV) module working conditions lack consistency and PV array power outputs fluctuate due to the non-uniform impact that aging has on various PV modules in a PV array. No assessment has been conducted on the energy potential of a non-uniform PV array, despite the fact that the maximum power point (MPP) can be tracked by global maximum power point tracking (GMPPT). Therefore, the present work undertakes such an assessment by devising an algorithm to optimise the PV array electrical structure as the PV modules undergo aging in a non-uniform way. To enable PV arrays with non-uniform a

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Suresh Babu, G., B. Prem Charan, and T. Murali Krishna. "Performance Analysis of SPV Module Using Solar PVTR System." International Journal of Engineering & Technology 7, no. 3.3 (2018): 68. http://dx.doi.org/10.14419/ijet.v7i3.3.14488.

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With a spurt in the use of non-conventional energy sources, photovoltaic installations are being deployed in several applications such as distributed power generation and standalone systems. Solar Photo Voltaic (SPV) module is the basic component of the solar PV system. The functioning of a photovoltaic array is influenced by solar insolation, shading and array arrangement. Often the PV arrays get shadowed, completely or partially by neighboring buildings, trees, towers and service poles. The efficacy of PV array unvaryingly depends upon temperature which in turn is reliant on radiation. In or

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Noroozian, Reza, and G. B. Gharehpetian. "NOVEL CONTROL STRATEGY FOR GRID-CONNECTED PHOTOVOLTAIC ARRAY." IIUM Engineering Journal 17, no. 2 (2016): 169–84. http://dx.doi.org/10.31436/iiumej.v17i2.471.

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In this paper, the configuration of the PV generation system, the dynamic model for PV modules and its power electronic interfacing have been presented. A novel control strategy for the DC-DC converter has been developed in order to extract the maximum amount of power from the PV array. Also, a novel control strategy, which is based on d-q rotating reference frame, has been proposed for the DC-AC converter. The simulation results, based on PSCAD/EMTDC, show that the novel control scheme can transfer the DC energy from PV array, compensate the power factor of AC grid and improve the dynamic beh

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J., Senthilnathan. "Global MPPT Control of Photovoltaic Array Using SEPIC Converter under Partial Shading Condition." Journal of Power Electronics and Devices 5, no. 1 (2019): 32–39. https://doi.org/10.5281/zenodo.2597085.

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The factors affecting the performance characteristics of a photovoltaic (PV) array are temperature, solar insolation, shading and array configuration. The PV system exhibits a non-linear I-V characteristic and its unique maximum power point on the P-V curve varies with insolation and temperature. The passing clouds, neighbouring buildings and trees are shadowing the PV arrays completely or partially as a result, it becomes more complex P-V characteristics with multiple peaks in case of partially shaded conditions. Conventional Maximum Power Point Tracking (MPPT) techniques fail to reach global

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Kumari, J. Surya, and Ch Saibabu. "Maximum Power Point Tracking Algorithms for Grid-Connected Photovoltaic Energy Conversion System." International Journal of Power Electronics and Drive Systems (IJPEDS) 3, no. 4 (2013): 424. http://dx.doi.org/10.11591/ijpeds.v3.i4.pp424-437.

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<p class="Default">As the use of energy is increasing, the requirements for the quality of the supplied electrical energy are more tighten. Energy is the most basic and essential of all resources. As conventional sources of energy are rapidly depleting and the cost of energy is rising, photovoltaic energy becomes a promising alternative source. Photovoltaic (PV) generation is becoming increasingly important as a renewable source since it exhibits a great many merits such as cleanness, little maintenance and no noise. The output power of PV arrays is always changing with weather condition

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MST, ISHRAT JAHAN, SABBER AHAMMED MD, and AMIR SHOHEL MD. "MPPT for PV Array Modeling using Perturb and Observe Algorithm." International Journal of Innovative Science and Research Technology 7, no. 5 (2022): 494–505. https://doi.org/10.5281/zenodo.8238552.

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Solar energy is an endless, clean, and renewable energy source, yet only a small portion of it is used to directly power human activities. Various types of renewable energy, including the most significant, solar energy, have been addressed. Solar modules are devices that convert sunlight directly into electricity. The maximum power of photovoltaic systems is critical for the system's practical usage. A solar array model was created with the help of MATLAB. The Matlab simulation shows that at different irradiance levels and temperatures. The Matlab simulink photovoltaic array model is evalu

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