Results 61 to 70 of about 8,905,443 (182)

Performance assessment of advanced static reconfiguration strategies to address realistic shading of solar arrays

EPJ Photovoltaics
Partial shading conditions (PSCs) represent a complex and often unavoidable challenge in photovoltaic (PV) systems, leading to reduced maximum power output and causing mismatch losses.
Mimoun Ilyas, Mihoub Youcef, Logerais Pierre-Olivier, Karam Khairullah Mohammed, Abdou Tankari Mahamadou, Asri Aicha, Hassaine Said   +6 more
doaj   +1 more source

Modulating Growth Kinetics and Defect Passivation in Ambient‐Air Evaporation‐Spray Deposition Enables Efficient and Stable Rigid/Flexible Perovskite Solar Cells

EcoEnergy, EarlyView.
ATC‐enabled synergistic crystalline regulation and defect passivation via evaporation‐spray deposition realizes 22.68% rigid and 20.13% flexible PSCs with remarkable stability and excellent universality for both rigid and flexible substrates. ABSTRACT Evaporation‐spray technique renders perovskites highly compatible with large‐scale manufacturing ...
Jiahao Cheng, Yifan Li, Yongxuan Zhou, Wenjian Shen, Cong Geng, Guijie Liang, Bin Li, Yong Peng, Jianlin Xu, Zaifang Li, Yi‐Bing Cheng, Wangnan Li   +11 more
wiley   +1 more source

Modeling and detection of hot-spot in shaded photovoltaic cells [PDF]

, 2014
In this paper, we address the problem of modeling the thermal behavior of photovoltaic (PV) cells undergoing a hotspot condition. In case of shading, PV cells may experience a dramatic temperature increase, with consequent reduction of the provided power.
Giaffreda, Daniele, Giaffreda, D., Metra, Cecilia, Omana, Martin, Rossi D., Omana M., Omana, M., Giaffreda D., Metra C., Metra, C., OMANA, MARTIN EUGENIO, Rossi, D., Rossi, Daniele   +12 more
core   +1 more source

An Improved, Novel Musical Chairs Algorithm with Local Adaptive Exploration for MPPT of PV Systems

Applied Sciences
Shadows falling on photovoltaic (PV) modules result in partial shading conditions (PSCs). These conditions affect the power generation of a PV system because of their varying nature.
Meshack Magaji Ishaya, Moein Jazayeri
doaj   +1 more source

Tuning Stability and Optoelectronic Properties of CsSnI3 Via Rare‐Earth Doping

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Sn‐based halide perovskites are promising optoelectronic materials but are limited by poor stability. Thus, rare‐earth elements (RE) doping in CsSnI3 addresses this limitation, significantly enhancing thermodynamic, mechanical, and chemical stability, while simultaneously tuning electronic characteristics and modulating optical responses in the ...
Haowei Wang, Feiyu Zhou, Zhuo Li, Yanghao Luo, Tongtong Li, Yilun Liu, Shengying Yue   +6 more
wiley   +1 more source

Hybrid Quadra‐Tied Solar PV System With Optimised Metaheuristic MPPT Algorithms for Enhanced Urban Rooftop Performance

Digital Twins and Applications
This research work helps in selecting the most appropriate combination of solar photovoltaic (SPV) array configuration and metaheuristic MPPT technique to reduce the power loss in rooftop SPV systems due to partial shading conditions caused due to tall ...
Abhinav Bhattacharjee, Suresh Mikkili
doaj   +1 more source

Soft Actor-Critic-Based MPPT Control of Solar PV Systems Under Partial Shading Conditions

IEEE Open Access Journal of Power and Energy
This paper presents a soft actor-critic (SAC)-based method for solving the solar photovoltaic (PV) Maximum Power Point Tracking (MPPT) control problem under partial shading conditions (PSCs).
Sampson E. Nwachukwu, Komla A. Folly, Kehinde O. Awodele   +2 more
doaj   +1 more source

Research Progress of Three‐Terminal Perovskite/Silicon Tandem Solar Cells Based on Back‐Contact Silicon

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Perovskite/silicon tandem solar cells offer efficiencies beyond 30%, yet conventional architectures face trade‐offs between optical performance and current matching. Three‐terminal tandems employing silicon back‐contact bottom cells eliminate the current‐matching constraint while minimizing optical losses, offering superior energy yield under real ...
Yunhao Fan, Sheng Ma, Huanpei Huang, Zhengping Li, Wenzhong Shen   +4 more
wiley   +1 more source

MPPT Efficiency in PV Arrays under Partial Shading Conditions:A Comparative Analysis of PSO and P&O Algorithms

ENP Engineering Science Journal
Global Maximum Power Point Tracking (GMPPT) presents a fundamental challenge in photovoltaic (PV) systems due to the inherent nonlinearity of PV array characteristics.
Rachid Bennia, Cherif Larbes, Faiza Belhachat   +2 more
doaj   +1 more source

Maze Puzzle Pattern‐Based Static Reconfiguration of Photovoltaic Arrays for Enhanced Shade Dispersion and Power Generation Under Partial Shading Conditions

Energy Science &Engineering, EarlyView.
A new maze puzzle pattern array (PPA) is presented to optimize shade allocation, alleviate the mismatch losses of PV (photovoltaic) arrays in partially shaded circumstances, and maximize output in partially shaded operation with zero extra sensors, switching components, and optimum searching schemes.
Alok Kumar Shrivastav, Anurag Kar, Milan Sasmal, Pankaj Kumar, Soham Dutta   +4 more
wiley   +1 more source