Results 61 to 70 of about 4,790 (211)
Energy Science &Engineering, EarlyView.Bipolar configuration is a new topology in the direct current (DC) system of photovoltaic power plants, which is topologically analogous to the bipolar configuration utilised in High‐Voltage Direct Current power transmission systems. DC cable length and copper usage are reduced by 50% using a bipolar configuration.
Duško M. Tovilović +2 more
wiley +1 more source
Analysis and design of wind energy system based on nonlinear speed controller
Revue des Énergies Renouvelables, 2019 This paper presents a control fuzzy robuste strategy for a squirrel cage Induction generator (SCIG)-based wind energy conversion system. Control strategies is presented along with the mathematical modeling of the employed configuration. The maximum power
S. Bellarbi
doaj
Design of electrical system for exploration robot
Gong-kuang zidonghua, 2016 In order to improve intelligence of exploration robot, an electrical system taking ARM architecture as core was designed. The system adopts techniques including 2.4 GHz wireless communication, closed-loop control of motors, control of multi degree of ...
ZHAI Guodong, SU Yixin, GAO Peiyua
doaj +1 more source
Lifetime Analysis of Grid‐Tied Photovoltaic System Considering DC–DC Converter Ripple and Efficiency
Energy Science &Engineering, EarlyView.This work presents a comprehensive lifetime analysis of a two‐stage grid‐tied photovoltaic (PV) system by incorporating critical factors such as input current ripple and operating voltage variations, which are often neglected in conventional studies.
Surla Vishnu Kanchana Naresh +2 more
wiley +1 more source
Analysis and Classification of Partial Shading Conditions in Photovoltaic Arrays
Energy Science &Engineering, EarlyView.This study presents new mathematical models for describing P–V curve extrema under different shading scenarios and applies machine learning classifiers that use features derived from P–V characteristics for accurate fault identification. ABSTRACT With the escalating global transition toward renewable energy, ensuring the operational stability and ...
Hamid Reza Parsa, Mohammad Sarvi
wiley +1 more source
Exploitation robuste d’une éolienne à base d’une machine asynchrone à double alimentation
Revue des Énergies Renouvelables, 2012 Dans cet article, nous nous intéressons à l’élaboration d’une loi de commande robuste par les modes glissants de la puissance active et de la puissance réactive statorique d’une machine asynchrone à double alimentation ‘MADA’, qui constitue la partie ...
A. Djoudi +3 more
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Regulating secondary phase of Rb‐based aggregates for efficient and stable perovskite solar cells
FlexMat, EarlyView.By introducing RbAc into the precursor solution, the crystallization pathway is optimized, excessive lead iodide is eliminated, grain size increases, and defects are passivated in the perovskite films. The obtained perovskite devices exhibit improved power conversion efficiency and operational stability. Abstract Passivating defects in perovskite films
Weiyuan Chen +7 more
wiley +1 more source
Steady state oscillations reduction using neural network IC-based variable step Size MPPT
Revue des Énergies Renouvelables, 2016 This paper deals with the development of neural network IC-based variable step size MPPT controller. The proposed neural network MPPT controller is firstly, developed in offline mode required for testing different set of neural network parameters and ...
A. Harrag, H. Bahri, S. Messalti
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Small, EarlyView.A novel dispersion‐phase defect‐healing strategy using Br‐doped PbS quantum dots (QDs) significantly stabilizes CsPbI3 perovskite (Pe) QDs by passivating internal vacancies. This approach reduces trap‐assisted nonradiative recombination, enabling high‐performance indoor photovoltaics with exceptional stability.
Seon Joong Kim +9 more
wiley +1 more source
Revue des Énergies Renouvelables, 2009 Dans cet article, nous développons deux modèles neuro-flous pour l’estimation du MPPT, à partir de la connaissance du courant de court-circuit et de la tension de circuit ouvert.
A. Mehdaoui +3 more
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