Results 21 to 30 of about 1,009,779 (164)

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

Energies, 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

Cost Effective Offline Reconfiguration for Large-Scale Non-Uniformly Aging Photovoltaic Arrays Efficiency Enhancement

IEEE Access, 2020
In the past decades, a huge number of large-scale photovoltaic (PV) plants have been constructed all around the world. However, the capital and operational costs can be high, which limits their widespread applications.
Zuyu Wu, Chen Zhang, Mohammed Alkahtani, Yihua Hu, Jiangfeng Zhang   +4 more
doaj   +1 more source

A Reconfiguration Method for Extracting Maximum Power from Non-Uniform Aging Solar Panels

Energies, 2018
Aging affects different photovoltaic (PV) modules in a PV array in a non-uniform way, thereby leading to non-uniform working conditions of the PV modules and resulting in variations in the power outputs of the PV array.
Peter Udenze, Yihua Hu, Huiqing Wen, Xianming Ye, Kai Ni   +4 more
doaj   +1 more source

A robust photovoltaic array reconfiguration strategy based on coyote optimization algorithm for enhancing the extracted power under partial shadow condition

Energy Reports, 2021
The operation of photovoltaic (PV) array under shade faces great challenges due to the power loss that reduces the extracted power. Reconfiguration process is one of the most promising solutions to reduce the effect of shadow on the array.
Hegazy Rezk, Ahmed Fathy, Mokhtar Aly
doaj   +1 more source

Multi-Objective Grey Wolf Optimizer for Optimal Design of Switching Matrix for Shaded PV array Dynamic Reconfiguration

IEEE Access, 2020
One of the worst negative phenomena faced by photovoltaic (PV) array is the operation under the shadow phenomenon, which significantly affects the generated power.
Dalia Yousri, Sudhakar Babu Thanikanti, Karthik Balasubramanian, Ahmed Osama, Ahmed Fathy   +4 more
doaj   +1 more source

Performance and Reliability Improvement of Partially Shaded PV Arrays by One-Time Electrical Reconfiguration

IEEE Access, 2022
Partial shading is the most unexpected scenario encountered by the arrays that degrade the performance causing power reduction, non-convex characteristics curves, losses, hotspot, module damage, and system failure. The adoption of various reconfiguration
Priya Ranjan Satpathy, Pritam Bhowmik, Thanikanti Sudhakar Babu, Chiranjit Sain, Renu Sharma, Hassan Haes Alhelou   +5 more
doaj   +1 more source

Reconfiguration Method to Extract More Power from Partially Shaded Photovoltaic Arrays with Series-Parallel Topology

Energies, 2019
A photovoltaic (PV) array is composed of several panels connected in series-parallel topology in most actual applications. However, partial shading of a PV array can dramatically reduce power generation.
Xiaoguang Liu, Yuefeng Wang
doaj   +1 more source

Modeling and performance analysis of novel quad‐tied PV array configuration under partial shading conditions

Energy Science & Engineering, 2023
A photovoltaic (PV) cell is the smallest unit in an array that exhibits nonlinear characteristic curves. To gather the maximum amount of energy from a PV array under partial shading conditions (PSCs), it is necessary to follow the largest peak in the ...
Pallavi Verma, Chandranshu Singh, Rahul Dogra, M. S. Bhaskar, Nikita Gupta, Baseem Khan   +5 more
doaj   +1 more source

Optimizing Solar Power Using Array Topology Reconfiguration With Regularized Deep Neural Networks

IEEE Access, 2023
Reconfiguring photovoltaic (PV) array connections among different topologies such as series-parallel, bridge-link, honeycomb, or total-cross-tied is a popular strategy to mitigate impediments in power production caused by partial shading.
Vivek Narayanaswamy, Raja Ayyanar, Cihan Tepedelenlioglu, Devarajan Srinivasan, Andreas Spanias   +4 more
doaj   +1 more source

A Novel Array Configuration Technique for Improving the Power Output of the Partial Shaded Photovoltaic System

IEEE Access, 2022
Power conversion efficiency is the most important factor to be considered in PV systems because it is affected by various environmental conditions. The effect of partial shading is the most influenced factor in the reduction of power output.
Santhan Kumar Cherukuri, B. Praveen Kumar, Kalyan Raj Kaniganti, S. Muthubalaji, Ghanta Devadasu, Thanikanti Sudhakar Babu, Hassan Haes Alhelou   +6 more
doaj   +1 more source