A Scalable Hierarchical Dynamic PV Array Reconfiguration under Partial Shading
Energies, 2023 Photovoltaic (PV) arrays are often affected by partial shading (PS), which can significantly reduce their power output. Dynamic reconfiguration is a promising technique for mitigating the negative effects of PS by adjusting the electrical connections of ...
Fatimah Ameen +3 more
doaj +3 more sources
Electrical PV Array Reconfiguration Strategy for Energy Extraction Improvement in Grid-Connected PV Systems [PDF]
IEEE Transactions on Industrial Electronics, 2009 This paper applies a dynamical electrical array reconfiguration (EAR) strategy on the photovoltaic (PV) generator of a grid-connected PV system based on a plant-oriented configuration, in order to improve its energy production when the operating conditions of the solar panels are different.
Guillermo Velasco-Quesada
exaly +5 more sources
A Novel PV Array Reconfiguration Algorithm Approach to Optimising Power Generation across Non-uniformly Aged PV Arrays by merely Repositioning [PDF]
J, 2020 Photovoltaic (PV) module working conditions lack consistency and PV array power outputs fluctuate due to the non-uniform impact that aging has on various PV modules in a PV array.
Mohammed Alkahtani +4 more
doaj +4 more sources
Performance of PV array configurations under dynamic partial shadings
EPJ Photovoltaics, 2023 The partial shading effect (PSE) is responsible for most power losses in a photovoltaic (PV) system. By modifying the interconnections between PV modules, called PV array reconfiguration, it is possible to improve the power output under partial shading ...
Shao Chuanyong +2 more
doaj +2 more sources
Atom Search Optimization-Based PV Array Reconfiguration Technique under Partial Shading Condition
International Transactions on Electrical Energy Systems, 2023 Photovoltaic (PV) reconfiguration is an effective solution for reducing the hot spot effect caused by partial shadows on PV arrays. This paper proposed an efficient atom search optimization- (ASO-) based PV reconfiguration method.
Dahu Li +4 more
doaj +2 more sources
An Experimental Investigation on Output Power Enhancement With Offline Reconfiguration for Non-Uniform Aging Photovoltaic Array to Maximise Economic Benefit [PDF]
IEEE Access, 2021 There are several non-uniform effects on photovoltaic (PV) modules related to aging in a PV array. These subsequently bring about non-uniform operating parameters with individual PV modules, causing a variance in the PV array performance.
Mohammed Alkahtani +5 more
doaj +2 more sources
Power Enhancement under Partial Shading Condition Using a Two-Step Optimal PV Array Reconfiguration
International Journal of Photoenergy, 2021 Under partial shading conditions, photovoltaic (PV) arrays are subjected to different irradiance levels caused by nonuniform shading. As a result, a mismatch between the modules, a reduction in the power generated, and the hotspot phenomenon will be ...
Mohamad Hossien Nahidan +2 more
doaj +2 more sources
Energies, 2022 Partial shading conditions (PSC) have negative effects on the operation of photovoltaic (PV) systems. In this paper, a PV array reconfiguration method is developed to minimize power losses of PV arrays under partial shading conditions.
Tuyen Nguyen-Duc +4 more
doaj +2 more sources
Advancements in PV Array Reconfiguration Techniques: Review Article
IEEE AccessShadowing is a pervasive and complex issue that negatively impacts the performance of photovoltaic (PV) systems by causing a substantial reduction in output power and producing multiple power peaks in characteristic curves. These negative impacts are not
Marium Jalal +4 more
doaj +2 more sources
Energies, 2022 The operation of the photovoltaic (PV) system under partial shading conditions (PSC) is complicated since the output characteristic of the PV system is profoundly affected by the heterogeneous irradiance of PSC.
Tuyen Nguyen-Duc +3 more
doaj +2 more sources