An Improved Power Optimizer Architecture for Photovoltaic (PV) String Under Partial Shading Conditions DOI Creative Commons
Ali Faisal Murtaza, Abdulhakeem Alsaleem, Filippo Spertino

и другие.

Applied Sciences, Год журнала: 2025, Номер 15(10), С. 5791 - 5791

Опубликована: Май 21, 2025

In this paper, a better power optimizer architecture has been presented for PV strings, using buck converter each module to address partial shading conditions. The converter, though rarely used, is natural effects, as it converts the lower current of shaded higher output current. Usually, advanced activates isolated converters (complex) only modules draw extra from inverter’s DC-link node maintain string (Istring). On other hand, conventional (basic) all regardless their status. proposed contains unique design with new schematic layout, where without drawing DC-link. Thus, combines benefits both architectures—selective operation, basic topology, high efficiency, low voltage stress, and control complexity—while eliminating drawbacks. designing philosophy, mechanism, fundamental operation have comprehensively explained validated through simulation experiments. Three levels are used test containing three modules: (1) single moderate (15%) level, (2) strong (50%) (3) double extreme (75%) (25%) levels. results show successful maintains common Istring an inverter, remain active. exhibits average efficiency over 97% under normal A comparative analysis architectures indicate enhanced features architecture.

Язык: Английский

Hybrid Renewable Energy Systems—A Review of Optimization Approaches and Future Challenges DOI Creative Commons

Akvile Giedraityte,

Sigitas Rimkevičius, Mantas Marčiukaitis

и другие.

Applied Sciences, Год журнала: 2025, Номер 15(4), С. 1744 - 1744

Опубликована: Фев. 8, 2025

The growing need for sustainable energy solutions has propelled the development of Hybrid Renewable Energy Systems (HRESs), which integrate diverse renewable sources like solar, wind, biomass, geothermal, hydropower and tidal. This review paper focuses on balancing economic, environmental, social technical criteria to enhance system performance resilience. Using comprehensive methodologies, examines state-of-the-art algorithms such as Multi-Objective Particle Swarm Optimization (MOPSO) Non-Dominated Sorting Genetic Algorithm II (NSGA-II), alongside Crow Search (CSA), Grey Wolf Optimizer (GWO), Levy Flight-Salp (LF-SSA), Mixed-Integer Linear Programming (MILP) tools HOMER Pro 3.12–3.16 MATLAB 9.1–9.13, have been instrumental in optimizing HRESs. Key findings highlight role advanced, multi-energy storage technologies stabilizing HRESs addressing intermittency sources. Moreover, integration metaheuristic with machine learning enabled dynamic adaptability predictive optimization, paving way real-time management. HRES configurations cost-effectiveness, environmental sustainability, operational reliability while also emphasizing transformative potential emerging quantum computing are underscored. provides critical insights into evolving landscape offering actionable recommendations future research practical applications achieving global sustainability goals.

Язык: Английский

Процитировано

3
A solar energy system with a dual-input power converter and global MPPT for off-grid applications DOI
Hwa‐Dong Liu, Bin‐Juine Huang, Wei-Yu Chen

и другие.

Electric Power Systems Research, Год журнала: 2025, Номер 243, С. 111497 - 111497

Опубликована: Фев. 6, 2025

Язык: Английский

Процитировано

0
An Improved Power Optimizer Architecture for Photovoltaic (PV) String Under Partial Shading Conditions DOI Creative Commons
Ali Faisal Murtaza, Abdulhakeem Alsaleem, Filippo Spertino

и другие.

Applied Sciences, Год журнала: 2025, Номер 15(10), С. 5791 - 5791

Опубликована: Май 21, 2025

In this paper, a better power optimizer architecture has been presented for PV strings, using buck converter each module to address partial shading conditions. The converter, though rarely used, is natural effects, as it converts the lower current of shaded higher output current. Usually, advanced activates isolated converters (complex) only modules draw extra from inverter’s DC-link node maintain string (Istring). On other hand, conventional (basic) all regardless their status. proposed contains unique design with new schematic layout, where without drawing DC-link. Thus, combines benefits both architectures—selective operation, basic topology, high efficiency, low voltage stress, and control complexity—while eliminating drawbacks. designing philosophy, mechanism, fundamental operation have comprehensively explained validated through simulation experiments. Three levels are used test containing three modules: (1) single moderate (15%) level, (2) strong (50%) (3) double extreme (75%) (25%) levels. results show successful maintains common Istring an inverter, remain active. exhibits average efficiency over 97% under normal A comparative analysis architectures indicate enhanced features architecture.

Язык: Английский

Процитировано

0