Results 51 to 60 of about 138,905 (266)

Comparative study of different types of DC/DC converters for PV systems using RBF neural network-based MPPT algorithm

Revue des Énergies Renouvelables
In this article, a detailed comparison of various DC/DC converter topologies for photovoltaic (PV) systems is presented, focusing on conventional step-up converters and advanced quadratic step-up converters.
Sarra Zaidi, Bouziane Meliani, Riyadh Bouddou, Souheyb Mohammed Belhadj, Nasreddine Bouchikhi   +4 more
doaj   +1 more source

Charge Generation and Recombination Pathways in All‐Polymer Bulk Heterojunction Solar Cells

Advanced Functional Materials, EarlyView.
Multimodal spectroscopy and device analysis reveal how field‐dependent charge generation, transport limitations, and non‐geminate recombination govern performance losses in all polymer solar cells. The results identify the key processes controlling charge extraction and recombination, providing insights for the design of more efficient all‐polymer ...
Shahidul Alam, Wejdan Althobaiti, Safakath Karuthedath, Christopher E. Petoukhoff, Amr Dahman, Khawla Alkhezaim, Oleksandr Matiash, José P. Jurado, Mariia Ferree, Ning Su, Jacob Blaskovits, Denis Andrienko, Vladimir Dyakonov, Andreas Sperlich, Vojtech Nádaždy, Tobin J. Marks, Antonio Facchetti, Frédéric Laquai   +17 more
wiley   +1 more source

Reconstructing Quantum Dot Surfaces via Dual‐Functional Ligand Pairing Enables Efficient Shortwave Infrared Optoelectronics

Advanced Functional Materials, EarlyView.
This work presents a ligand‐pairing strategy that reconstructs lead sulfide quantum dot surfaces for efficient short‐wave infrared optoelectronics. A low‐reactivity thiourea precursor combined with hydrobromic acid enables monodisperse and fully passivated quantum dots.
Dongeon Kim, Minjung Yang, Yunjin Lee, Gaeun Cho, Min‐Jae Si, Jaewoo Jeong, Seoryeon Jeong, Sol‐Hee Kim, Taeho Han, Seungin Jee, Byeong‐Chan Kim, Woong Kim, Seungmin Lee, Jun Hong Noh, Han Seul Kim, Yujin Jung, Se‐Woong Baek   +16 more
wiley   +1 more source

Automated pharmacovigilance system

Качественная клиническая практика, 2018
This article is about efficiency of online systems for pharmacovigilance (PV) processes management based on case study of implementation of PV system by Flex Databases.
O. A. Loginovskaya, P. A. Grosheva, A. S. Zinkevich   +2 more
doaj  

Sensorless Control of a PMSM Drive Using EKF for Wide Speed Range Supplied by MPPT Based Solar PV System

Elektronika ir Elektrotechnika, 2020
In photovoltaic (PV) applications, employing Surface-Mounted Permanent Magnet Synchronous Motor (SMPMSM) can be a suitable option, especially for solar pumping and Heating, Ventilation, and Air Conditioning (HVAC) applications.
Abbas Mahmood Oghor Anwer, Fuad Alhaj Omar, Hale Bakir, Ahmet Afsin Kulaksiz   +3 more
doaj   +1 more source

Spiro‐Phenothiazine Hole‐Transporting Materials: Unlocking Stability and Scalability in Perovskite Solar Cells

Advanced Materials, EarlyView.
Fluorene‐functionalized spiro‐phenothiazine (PTZ‐Fl) exhibits strong Li+ affinity and thermal stability, enabling a PCE of 25.75% in small‐area cells and 22.07% in 25 cm2 modules. Under ISOS‐L3 conditions, PTZ‐Flbased devices retain over 80% efficiency after 1000 hours, demonstrating superior stability and scalability compared to spiro‐OMeTAD for next ...
Javier Urieta‐Mora, Seung Ju Choi, Jaeki Jeong, Silvia Orecchio, Inés García‐Benito, Manuel Pérez‐Escribano, Joaquín Calbo, Likai Zheng, Minseop Byun, Seyeong Song, Gi‐Hwan Kim, Shaik M. Zakeeruddin, Seog‐Young Yoon, Yimhyun Jo, Agustín Molina‐Ontoria, Enrique Ortí, Nazario Martín, Michael Grätzel   +17 more
wiley   +1 more source

Design of an On-grid PV System as a Power Backup to Provide a Reliable Electricity Supply [PDF]

Renewable Energy Research and Applications
The implementation of on-grid PV systems was conducted to ensure a continuous supply of electricity. This article discusses implementing an on-grid PV system in a fish farm that requires a continuous electricity supply.
Rahmat Al Hasibi, Bagustama Hamka
doaj   +1 more source

Azaporphyrinoid‐Based Photo‐ and Electroactive Architectures for Advanced Functional Materials

Advanced Materials, EarlyView.
A long‐standing collaboration between the Torres and Guldi groups has yielded diverse azaporphyrinoid‐based donor‐acceptor nanohybrids with promising applications in solar energy conversion. This conspectus highlights key molecular platforms and structure‐function relationships that govern light and charge management, supporting the rational design of ...
Jorge Labella, Kobra Azizi, Dirk M. Guldi, Tomás Torres   +3 more
wiley   +1 more source

Comparison of PV Simulation Tools with Real-World Data: Residential Rooftop Systems in Surabaya, Indonesia [PDF]

Journal of Renewable Energy and Environment
Accurate prediction of photovoltaic (PV) energy output is essential for system design, performance assessment, and investment decisions. However, the accuracy of widely used PV simulation tools in tropical residential settings remains insufficiently ...
Elieser Tarigan
doaj   +1 more source

Estimating the Optimum Tilt Angles for South-Facing Surfaces in Palestine

Energies, 2020
The optimum tilt angle of solar panels or collectors is crucial when determining parameters that affect the performance of those panels. A mathematical model is used for determining the optimum tilt angle and for calculating the solar radiation on a ...
Ramez Abdallah, Adel Juaidi, Salameh Abdel-Fattah, Francisco Manzano-Agugliaro   +3 more
doaj   +1 more source