Results 71 to 80 of about 10,020 (213)

An adaptive state of charge estimator for lithium‐ion batteries

Energy Science & Engineering, 2022
This study presents a data‐driven approach in conjunction with an adaptive extended Kalman filter (AEKF) to estimate lithium‐ion batteries' state of charge (SOC) online. The Thevenin battery model is used to evaluate the effects using battery voltage and
Muhammad U. Ali, Hafiz F. Khan, Haris Masood, Karam D. Kallu, Malik M. Ibrahim, Amad Zafar, Semin Oh, Sangil Kim   +7 more
doaj   +1 more source

Caenogastropods and heterobranch gastropods from the Hettangian deposits of Luxembourg: palaeobiogeography and Early Jurassic faunal recovery in the western Tethys

Papers in Palaeontology, Volume 12, Issue 1, January/February 2026.
Abstract We describe the Hettangian Caenogastropoda and Heterobranchia of the Luxembourg Sandstone Formation, a wedge of clastic sediments deposited along the eastern margin of Paris Basin during the Early Jurassic. Five new genera and 11 new species are erected: Bourguetia bipartita sp. nov., Globularia delsatei sp. nov., Oonia feidtorum sp.
Stefano Monari, Roberto Gatto, Mara Valentini, Robert Weis   +3 more
wiley   +1 more source

Analytical Models Synthesis of Power Electronic Converters

Transactions on Environment and Electrical Engineering, 2017
In this paper we proposes a synthesis of different mathematical models of power electronic converters based on Thevenin/Norton equivalent circuits. Those models, composed by impedances and harmonic noise sources, are helpful to predict the conducted ...
Achour Ales, Jean-Luc Schanen, Djelloul Moussaoui, James Roudet   +3 more
doaj   +1 more source

Metallicities of Young Open Clusters I: NGC 7160 and NGC 2232

, 2010
We present a moderate-resolution spectroscopic analysis of the 10-25 Myr clusters NGC 7160 and NGC 2232, using observations obtained with the WIYN 3.5-m telescope. Both NGC 7160 and NGC 2232 are found to have super-solar metallicities, with a mean [Fe/H]
Andersen, Backman, Baumueller, Bryden, Carpenter, Carraro, Catherine A. Pilachowski, Cayrel, Cayrel de Strobel, Claria, Claria, Conti, Currie, Currie, Currie, Daflon, de Graeve, Edvardsson, Gonzalez, Gratton, Gray, Hernández, Huang, Jacobson, King, Kurucz, Moore, Patel, Patel, Paulson, Ramírez, Rieke, Rieke, Robitaille, Sicilia-Aguilar, Sicilia-Aguilar, Sicilia-Aguilar, Siess, Simonson, Su, TalaWanda R. Monroe, Thevenin, Travaglio, Valenti, Wallace, Werner, Wiese   +46 more
core   +1 more source

An improved Thevenin model of lithium-ion battery with high accuracy for electric vehicles [PDF]

Applied Energy, 2019
Abstract This paper proposes an improved Thevenin model of the Lithium-ion battery taking into account temperature influence on the calculation accuracy of the open circuit voltage of a battery. The calculation accuracy of the terminal voltage of a battery is improved without increasing the order of the model. Firstly, the model was proposed based on
Ding, Xiaofeng, Zhang, Donghuai, Cheng, Jiawei, Wang, Binbin, Luk, Patrick Chi-Kwong   +4 more
openaire   +3 more sources

Ferromagnetically Shielded Fault Current Limiter (FS‐FCL) Evaluation in Power Line

IET Generation, Transmission &Distribution, Volume 20, Issue 1, January/December 2026.
This study introduces a new ferromagnetically shielded FS‐FCL design and its control strategy for limiting and interrupting fault currents. The fully shielded core structure enhances inductance and prevents saturation, enabling an immediate fault response without causing voltage drop during normal conditions.
Kamran Ghorbanyan, Selim Acar
wiley   +1 more source

A Comparative Study on Battery Modelling via Specific Hybrid Pulse Power Characterization Testing for Unmanned Aerial Vehicles in Real Flight Conditions

World Electric Vehicle Journal
Battery modelling is essential for optimizing the performance and reliability of Unmanned Aerial Vehicles (UAVs), particularly given the challenges posed by their dynamic power demands and limited onboard computational resources. This study evaluates two
Waiard Saikong, Prasophchok Phumma, Suradet Tantrairatn, Chaiyut Sumpavakup   +3 more
doaj   +1 more source

The most economical power factor correction according to tariff structures in Egypt [PDF]

, 2005
This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of Brunel University's products or services. Internal or personal use of this material is permitted.
Aziz, MMA, Zobaa, AF
core   +1 more source

Stability and Synchronization of MMC‐HVDC Systems Using SRF and Inertia‐Based PLLs

IET Generation, Transmission &Distribution, Volume 20, Issue 1, January/December 2026.
This study investigates the influence of synchronous reference frame PLL (SRF‐PLL) and the inertia PLL (IPLL) on the stability of grid‐connected modular multilevel converter high voltage direct current (MMC‐HVDC) systems. The findings highlight intrinsic stability limitations of PLL‐based systems, offering insights toward more stable, PLL‐less ...
Shuai Wang, Robin Preece, Mike Barnes
wiley   +1 more source

Total Distortion—A New Power Quality Index on Current Harmonic Evaluation for Users With Internal Loads and DERs

IET Generation, Transmission &Distribution, Volume 20, Issue 1, January/December 2026.
ABSTRACT The IEEE Std 519–2022 IEEE Standard for harmonic control in electric power systems is widely used for controlling the harmonics in the electric power system. It uses the total demand distortion (TDD) for current harmonic evaluation at the point of common coupling (PCC).
Sivaraman P, Sharmeela C, Sanjeevikumar P, Sabari B. K   +3 more
wiley   +1 more source