Results 11 to 20 of about 15,115 (307)

Intelligent Reconfigurable Photovoltaic System

Energies, 2021
The global maximum power point tracking of a PV array under partial shading represents a global optimization problem. Conventional maximum power point tracking algorithms fail to track the global maximum power point, and global optimization algorithms do
Ekaterina Engel, Igor Kovalev, Nikolay Testoyedov, Nikita E. Engel   +3 more
doaj   +2 more sources

Fault Diagnosis of Photovoltaic Array Based on Improved Honey Badger Optimization Algorithm

Energies
A photovoltaic array fault diagnosis method based on an improved honey badger optimization algorithm is proposed to improve the accuracy of photovoltaic array fault diagnosis.
Zhuo Guo, Yuanyuan Chang, Yanhong Fang
doaj   +2 more sources

An Improved Method of MPPT of Photovoltaic Array

Gong-kuang zidonghua, 2011
In view of problems existed in common control methods of constant voltage method, disturbance observation method and conductance adding method in MPPT of photovoltaic array, the paper proposed a fast MPPT control method which combines constant voltage ...
XU Rui-dong, HU Yi-hua, CHEN Hao, ZUO La
doaj   +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

Ultra low-power photovoltaic MPPT technique for indoor and outdoor wireless sensor nodes [PDF]

, 2011
Photovoltaic (PV) energy harvesting is commonly used to power wireless sensor nodes. To optimise harvesting efficiency, maximum power point tracking (MPPT) techniques are often used.
Weddell, Alex, Merrett, Geoff, A S Weddell, G V Merrett, Al-Hashimi, Bashir, B M Al-Hashimi   +5 more
core   +1 more source

An MMTES algorithm for dynamic photovoltaic array reconfiguration to enhance power output under partial shading conditions

IET Renewable Power Generation, 2021
Partial shading is a severe impediment to the effective use of photovoltaic systems. It will lead to performance degradation in the photovoltaic system.
G Harish Kumar Varma, Venugopal Reddy Barry, Rohit Kumar Jain, Devanand Kumar   +3 more
doaj   +1 more source

Effect of mounting geometry on convection occurring under a photovoltaic panel and the corresponding efficiency using CFD [PDF]

, 2011
Computational fluid dynamics (CFD) is used to model experimental data corresponding to convection occurring under a photovoltaic (PV) panel. Further experimental data is used to validate the model where the satisfactory agreement is received.
Wilson, M.J., Michael J. Wilson, Manosh C. Paul, Paul, M.C.   +3 more
core   +1 more source

Model Building of Photovoltaic Array with MPPT Function and Research on Single Phase Grid Connected

MATEC Web of Conferences, 2016
With the continued development of solar photovoltaic technology, research on distributed grid connected photovoltaic system has become a research focus in the field of photovoltaic grid power plant and the computer simulation technology is an effective ...
Li Zhengzhou
doaj   +1 more source

Charge Measurement of Dust Particles on Photovoltaic Module [PDF]

, 2013
Photovoltaic (PV) systems are one of the most promising renewable energy sources in the world, and hence it is important to explore the factors that affect the working / operational efficiency of this source.
Kolhe, M., Al-Shabaan, G., K. Dastoori, D. Thompson, Thompson, D., B. Makin, G. Al-Shabaan, Makin, B., Dastoori, K., M. Kolhe   +9 more
core   +1 more source

Characterization of electric faults in photovoltaic array systems

Dyna, 2019
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.
Andres Eduardo Nieto Vallejo, Fredy Ruiz, Diego Patiño   +2 more
doaj   +1 more source