Results 11 to 20 of about 1,009,779 (164)

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, Hongyu Zhou, Yue Zhou, Yuze Rao, Wei Yao   +4 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, Mehdi Niroomand, Behzad Mirzaeian Dehkordi   +2 more
doaj   +2 more sources

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, Abdulrahman Siddiq, Attila Trohák, Rabab Benotsmane   +3 more
doaj   +2 more sources

A Dual-Adaptive Perspective on PV Array Reconfiguration with Genetic Algorithms Under Partial Shading Conditions

Applied Sciences
Photovoltaic systems are among the most popular renewable energy sources due to their ease of installation and low operating costs. However, they are characterized by low efficiency, non-linear electrical properties, and sensitivity to radiant intensity ...
Özgür Karaduman, Koray Şener Parlak
doaj   +2 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, Zuyu Wu, Colin Sokol Kuka, Muflah S Alahammad, Kai Ni   +4 more
doaj   +2 more sources

Integrated PV and multilevel converter system for maximum power generation under partial shading conditions [PDF]

, 2013
The emerging trend towards the harnessing of the electrical power from solar energy has increased the research effort in power electronics applications.
Abdalla, Imadeddin Abdalla
core   +6 more sources

Gene Evaluation Algorithm for Reconfiguration of Medium and Large Size Photovoltaic Arrays Exhibiting Non-Uniform Aging

Energies, 2020
Aging is known to exert various non-uniform effects on photovoltaic (PV) modules within a PV array that consequently can result in non-uniform operational parameters affecting the individual PV modules, leading to a variable power output of the overall ...
Mohammed Alkahtani, Yihua Hu, Zuyu Wu, Colin Sokol Kuka, Muflih S. Alhammad, Chen Zhang   +5 more
doaj   +1 more source

Mitigating mismatch power loss of series–parallel and total-cross-tied array configurations using novel enhanced heterogeneous hunger games search optimizer

Energy Reports, 2022
The location of shaded or faulty Photovoltaic modules in the PV array has a negative impact on the harvested power from the entire array. To overcome this significant limitation, PV reconfiguration is a considerable technique developed via interchanging ...
Dalia Yousri, Ehab F. El-Saadany, Yomna Shaker, Thanikanti Sudhakar Babu, Ahmed F. Zobaa, Dalia Allam   +5 more
doaj   +1 more source

Reconfigured Photovoltaic Model to Facilitate Maximum Power Point Tracking for Micro and Nano-Grid Systems

Energies, 2022
PV systems are a popular energy resource, prevalent worldwide; however, shade faults manifested in PV systems limit its power conversion efficiency.
J. Prasanth Ram, Dhanup S. Pillai, Ye-Eun Jang, Young-Jin Kim   +3 more
doaj   +1 more source

PV array reconfiguration with electrical energy storage system for power system frequency regulation

Frontiers in Energy Research, 2022
In this work, a novel PV station participating FR technique based on PV array reconfiguration and battery energy storage system (BESS) is put forward.
Jun Zhou, Chong Liu, Kun Li
doaj   +1 more source