Optik, Год журнала: 2024, Номер unknown, С. 172050 - 172050
Опубликована: Сен. 1, 2024
Язык: Английский
Renewable Energy, Год журнала: 2024, Номер 234, С. 121187 - 121187
Опубликована: Авг. 24, 2024
Язык: Английский
Процитировано
11
Solar Energy, Год журнала: 2024, Номер 268, С. 112309 - 112309
Опубликована: Янв. 1, 2024
Язык: Английский
Процитировано
7
Scientific Reports, Год журнала: 2023, Номер 13(1)
Опубликована: Ноя. 3, 2023
Partial shading of solar panels diminishes their operating efficiency and energy synthesized as it disrupts the uniform absorption sunlight. To tackle issue partial in photovoltaic (PV) systems, this article puts forward a comprehensive control strategy that takes into account range contributing factors. The proposed approach is based on using multi-string PV system configuration place central-type inverter for all modules with single DC-DC converter. This adaptation enhances overall across varying radiation levels. Also, technique minimizes cost by reducing required sensors number utilizing estimation strategy. converter switching considering direct duty-cycle method to establish maximum power point (MPP) location P-V curve. tracking simplifies improves system's response during sudden restrictions. validate effectiveness suggested MPPT method, two configurations were constructed MATLAB/SIMULINK software assessed under various scenarios. Additionally, was subjected real irradiance conditions. sensor-less algorithm achieved an impressive 99.81% peak-to-peak ripple voltage 1.3V. solution offers clear advantages over alternative approaches time enhancing efficiency. findings undoubtedly support theoretical scrutiny intended technique.
Язык: Английский
Процитировано
17
Energy, Год журнала: 2024, Номер 290, С. 130229 - 130229
Опубликована: Янв. 1, 2024
Язык: Английский
Процитировано
6
Physica Scripta, Год журнала: 2024, Номер 99(3), С. 035537 - 035537
Опубликована: Фев. 16, 2024
Abstract Photovoltaic (PV) power has become a crucial solution to the escalating energy crisis. Among various implementations, Rooftop PV generation systems (RPVPGS) are predominant in buildings. However, RPVPGS will face challenges such as reduced output due array fault or shading, leading fluctuations Building-Integrated (BIPV) generation. This paper attempts solve this problem by proposing novel multivariate reconfiguration method based on improved northern goshawk optimization algorithm (INGO). The aim is find optimal state of under conditions. In paper, extensive simulations were conducted experimental platform assess feasibility and effectiveness proposed method. It worth noting that INGO outperforms existing technologies Arrow SoDuku Zig-zag for evaluation metrics mentioned article. Furthermore, rigorous simulation experiments semi-physical validate approach. enhancement percentage deviation was between +0.1% +0.2%. These results unequivocally demonstrate INGO-based accurately reconfigures RPVPGS, ensuring efficiency stability BIPV systems.
Язык: Английский
Процитировано
5
Energies, Год журнала: 2024, Номер 17(14), С. 3391 - 3391
Опубликована: Июль 10, 2024
The primary disadvantage of solar photovoltaic systems, particularly in partial shadowing conditions (PSC), is their low efficiency. A power–voltage curve with a homogenous distribution irradiation often has single maximum power point (MPP). Without doubt, it can be extracted using any conventional tracker—for instance, perturb and observe. On the other hand, under PSC, situation entirely different since, depending on number distinct levels, numerous MPPs (i.e., multiple local points one global point). Conventional MPPTs only extract first since they are unable to distinguish between MPP. Thus, track MPP, an optimized MPPT based optimization algorithms needed. majority techniques seen literature call for sensors voltage current addition to, occasionally, temperature and/or irradiance, which raises cost system. Therefore, single-sensor recent red-tailed hawk (RTH) algorithm PV system interconnected DC link operating PSC presented. Reducing leads decrease controller. To prove superiority RTH, results compared several metaheuristic algorithms. Three shading scenarios considered, idea changing scenario change location MPP measure consistency verified effectiveness suggested RTH precisely capturing methods. As example, situation, mean values varied 6835.63 W 5925.58 W. reaches highest flowing through particle swarm (6808.64 W), whereas greylag goose optimizer achieved smallest production
Язык: Английский
Процитировано
5
Energies, Год журнала: 2023, Номер 16(13), С. 4910 - 4910
Опубликована: Июнь 24, 2023
This paper presents a novel modified Complementary SuDoKu puzzle (MC-SDKP) topology for the static reconfiguration of photovoltaic (PV) arrays. It was developed with aim enhancing power output PV array which is exposed to partially shaded conditions (PSCs). To disperse patterns both center shading and corner shading, MC-SDKP technique combined Optimal SDKP (C-SDKP) topologies. An 8 × configured nine different patterns, its performance compared that other four The results evaluation confirmed that, when according MC-SDKP, produced highest average among all five topologies, 15.07% higher on than total-cross tied. also exhibited lowest loss (1.34%). study clearly established effectiveness at mitigating effects shading. advantages are: an increase in extracted power, reduction current mismatch losses, improvement shade dispersion under good scalability.
Язык: Английский
Процитировано
11
Energy, Год журнала: 2023, Номер 283, С. 129129 - 129129
Опубликована: Сен. 22, 2023
Язык: Английский
Процитировано
11
Optik, Год журнала: 2023, Номер 288, С. 171218 - 171218
Опубликована: Июль 26, 2023
Язык: Английский
Процитировано
10
Optik, Год журнала: 2024, Номер 300, С. 171634 - 171634
Опубликована: Янв. 17, 2024
Язык: Английский
Процитировано
3