Results 11 to 20 of about 428 (178)

Comparative Assessment and Benchmarking of Metaheuristic Algorithms for Dynamic Photovoltaic Array Reconfiguration Under Diverse Shading Environments

Energy Science & Engineering
The solar photovoltaic (PV) installations, which are essential for renewable energy systems, are vulnerable to partial shading, resulting in considerable power losses and operational inefficiencies.
Manoharan Premkumar, Ravichandran Sowmya, Jagarapu S. V. Siva Kumar, Mustafa Abdullah   +3 more
doaj   +2 more sources

Continuous Reconfiguration Framework for Photovoltaic Array under Variable Partial Shading Conditions: Heuristic-Based Algorithms with Optimizing Switching Operation

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, Duong Nguyen-Dang, Thinh Le-Viet, Goro Fujita   +3 more
doaj   +1 more source

Followed The Regularized Leader (FTRL) prediction model based photovoltaic array reconfiguration for mitigation of mismatch losses in partial shading condition

IET Renewable Power Generation, 2022
Non‐uniform irradiance, for example, partial shading, would affect the performance of the whole Photovoltaic (PV) array and reduce the output power.
Xin Gao, Fang Deng, Hao Zheng, Ning Ding, Ziman Ye, Yeyun Cai, Xiangyang Wang   +6 more
doaj   +1 more source

Orbital Electrowetting: From Continuous Droplet Transport to Programmable Microfluidics. [PDF]

Adv Mater
This work comprehensively summarizes the mechanisms, recent advances, potential applications, and key challenges of orbital electrowetting. It highlights that integrating orbital electrowetting with conventional electrowetting is required to enable complete digital‐microfluidic workflows while simplifying platform architecture.
Tan J, Du J, Lv D, Gao Y, Jiang D, Wang Z, Liu W, Tso CY.   +7 more
europepmc   +2 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

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   +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

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   +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