Results 21 to 30 of about 701,022 (254)

Implicit Mathematical Model of Photovoltaic Arrays with Improved Calculation Speed Based on Inflection Points of the Current–Voltage Curves

Energies, 2023
Dynamic reconfiguration, the monitoring of power production, and the fault diagnosis of photovoltaic arrays, among other applications, require fast and accurate models of photovoltaic arrays.
Juan David Bastidas-Rodriguez, Carlos Andres Ramos-Paja, Andres Julian Saavedra-Montes   +2 more
doaj   +1 more source

Experimental study on electrical connections of PV system for improved performance under shadow test cases [PDF]

EAI Endorsed Transactions on Energy Web, 2020
In this paper, an experimental study is carried out in order to compute the impacts of shading effect on photovoltaic (PV) system performance. Four numbers of 20W solar PV modules are considered and arrange in the 2x2 size of array for extensive analysis.
Arthur Bleicher, Rupendra Pachauri, Piyush Kuchhal, Kamal Bansal   +3 more
doaj   +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

Improved TCT topology for shaded photovoltaic arrays

Energy Reports, 2022
Photovoltaic energy is increasingly becoming a widespread technology and a viable alternative to fossil fuels for satisfying energy demands while mitigating pollution and climate change.
Hicham Oufettoul, Saad Motahhir, Ghassane Aniba, Mehedi Masud, Mohammed A. AlZain   +4 more
doaj   +1 more source

A novel optimized dynamic fractional-order MPPT controller using hunter pray optimizer for alleviating the tracking oscillation with changing environmental conditions

Energy Reports, 2023
Introducing new control strategies in the photovoltaic (PV) system to continuously harvest the maximum power with the changes in environmental conditions is a crucial issue.
Eman Korany, Dalia Yousri, Hazem A. Attia, Ahmed F. Zobaa, Dalia Allam   +4 more
doaj   +1 more source

An Algorithm for Enhanced Performance of Photovoltaic Array Under Partial Shading Condition

IEEE Access, 2020
The partial shading on photovoltaic (PV) modules causes a reduction in generated power and multiple peak points in their electrical characteristics. If the number of shaded modules of two or more rows are different then electrical characteristics exhibit
Vishnu P. Madhanmohan, Abdul Saleem, M. Nandakumar   +2 more
doaj   +1 more source

Evaluation of Mathematical Model to Characterize the Performance of Conventional and Hybrid PV Array Topologies under Static and Dynamic Shading Patterns

Energies, 2020
The analysis and the assessment of interconnected photovoltaic (PV) modules under different shading conditions and various shading patterns are presented in this paper.
Manoharan Premkumar, Umashankar Subramaniam, Thanikanti Sudhakar Babu, Rajvikram Madurai Elavarasan, Lucian Mihet-Popa   +4 more
doaj   +1 more source

Power Losses Reduction of Solar PV Systems Under Partial Shading Conditions Using Re-Allocation of PV Module-Fixed Electrical Connections

IEEE Access, 2021
The paper gives a review of the investigation, which is being imported under different shading scenarios on the solar photovoltaic (PV) array arrangements.
Rupendra Kumar Pachauri, Isha Kansal, Thanikanti Sudhakar Babu, Hassan Haes Alhelou   +3 more
doaj   +1 more source

New high performance PV system architecture for mitigation of partial shading effects

e-Prime: Advances in Electrical Engineering, Electronics and Energy, 2023
Partial shading (PS) is a common phenomenon that significantly affects the performance of photovoltaic (PV) systems. Various techniques such as maximum power tracking (MPPT), PV module interconnection and reconfiguration, and power electronics- based ...
Subhash Murkute, Vandana A. Kulkarni (Deodhar)   +1 more
doaj   +1 more source

A Novel Topology to Improve PV Module Efficiency under Partial Shading Conditions

International Journal of Photoenergy, 2022
In this paper, we investigate the power degradation in a novel photovoltaic (PV) cell reconfiguration named KenDoKu (KDK) topology under different shading patterns.
Dominique Bonkoungou, Toussaint Guingane, Eric Korsaga, Sosthène Tassembedo, Zacharie Koalaga, Arouna Darga, François Zougmore   +6 more
doaj   +1 more source