Results 1 to 10 of about 5,700 (116)

Eco-friendly synthesis of coumarins using lemon juice as a natural catalyst and application as disperse dyes on polyester fabric [PDF]

open access: yesScientific Reports
An efficient, low-cost, and eco-friendly protocol has been carried out for the synthesis of two coumarin derivatives using lemon juice as an eco-friendly acidic catalyst.
Ali A. Ali   +2 more
doaj   +2 more sources

A Static Kropki Puzzle Pattern‐Based Shade Dispersion Technique for a Partially Shaded Photovoltaic Array

open access: yesEnergy Science & Engineering
Partial shading is crucial in reducing the performance of the photovoltaic (PV) array. The static reconfiguration is a viable option for alleviating the partial shading. The scattering of shade relies on its puzzle pattern.
Palpandian Murugesan   +3 more
doaj   +2 more sources

Performance Evaluation of Static PV Array Configurations for Mitigating Mismatch Losses

open access: yesIEEE Access, 2023
Solar photovoltaic (PV) systems are susceptible to power loss caused by environmental factors such as partial shading and temperature changes. To address this issue, PV modules are connected in array configurations. However, these configurations can lead
S. Devakirubakaran   +3 more
doaj   +1 more source

Disperse Partial Shading Effect of Photovoltaic Array by Means of the Modified Complementary SuDoKu Puzzle Topology

open access: yesEnergies, 2023
This paper presents a novel modified Complementary SuDoKu puzzle (MC-SDKP) topology for the static reconfiguration of photovoltaic (PV) arrays. It was developed with the aim of enhancing the power output of a PV array which is exposed to partially shaded
Cheng-En Ye, Cheng-Chi Tai, Yu-Pei Huang
doaj   +1 more source

Hardware Implementation of Novel Shade Dispersion PV Reconfiguration Technique to Enhance Maximum Power under Partial Shading Conditions

open access: yesEnergies, 2022
Partial shade condition is a significant factor contributing to the PV panel performance in mismatch losses and power generation. The technique suggested in this study allows the physical rearrangement of the PV panel to distribute the shade on the ...
Vinaya Chandrakant Chavan   +2 more
doaj   +1 more source

Performance Enhancement of Partial Shaded Photovoltaic System With the Novel Screw Pattern Array Configuration Scheme

open access: yesIEEE Access, 2022
The performance of the solar photovoltaic system is affected by the unpredictable phenomenon of partial shading. This causes the mismatch losses that suppress the power generation of healthy PV modules in it.
B. Praveen Kumar   +6 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

open access: yesIEEE 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   +3 more
doaj   +1 more source

Impact of Partial Shading on Various PV Array Configurations and Different Modeling Approaches: A Comprehensive Review

open access: yesIEEE Access, 2020
Since the last decade, partial shading conditions (PSCs) and its adverse influences on photovoltaic (PV) system performance have received due attention. It motivates researchers to explore methods to diminish/disperse the shading effects and/or novel PV ...
Rupendra Kumar Pachauri   +6 more
doaj   +1 more source

Photovoltaic Array Reconfiguration System for Maximizing the Harvested Power Using Population-Based Algorithms

open access: yesIEEE Access, 2020
Massive infiltration of photovoltaic (PV) systems into electric supply networks creates numerous challenges in the present era, as the PV systems become an alternative to non-renewable energy resources.
Thanikanti Sudhakar Babu   +2 more
doaj   +1 more source

Shade dispersion methodologies for performance improvement of classical total cross‐tied photovoltaic array configuration under partial shading conditions

open access: yesIET Renewable Power Generation, 2021
Large size photovoltaic (PV) systems face a large number of issues based on malfunction and unfavourable climatic conditions such as partial shading conditions (PSCs). These PSCs are the major causes of PV systems’ performance degradation. In this paper,
Rupendra Kumar Pachauri   +4 more
doaj   +1 more source

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