Results 31 to 40 of about 1,495,902 (211)

Online Thévenin Equivalent Determination Using Graphical Phasor Manipulation [PDF]

, 2018
This paper presents a new method for determining the Thévenin equivalent parameters of a power system at a node. A graphical method for deriving Thévenin equivalent parameters using online PMU measurements is developed based on representing and ...
Saeed, Mohammed A., D. John Morrow, Morrow, D. John; id_orcid, Sobhy M. Abdelkader, Mohammed A. Saeed, Eladi, Abdelfattah A., Abdelkader, Sobhy M., Abdelfattah A. Eladl   +7 more
core   +1 more source

State of Charge Estimation of Lithium-Ion Batteries Over Wide Temperature Range Using Unscented Kalman Filter

IEEE Access, 2018
With the development of electric vehicles in recent years, lithium-ion batteries have been widely used. Accurate state of charge (SOC) estimation plays an important role in the safety of electric vehicles.
Xiaogang Wu, Xuefeng Li, Jiuyu Du
doaj   +1 more source

Online Estimation of Li-ion Battery SOC for Electric Vehicles Based on An Improved AEKF [PDF]

E3S Web of Conferences, 2019
The purpose of this paper is to discuss how to eliminate the influence of noise time -varying characteristics on the accuracy of SOC estimation. Based on the matlab/simulink platform, the Thevenin equivalent circuit model of the battery is built, and an ...
Feng Kaihui, Huang Bibin, Li Qionghui, Yan Hu   +3 more
doaj   +1 more source

Thévenin’s Battery Model Parameter Estimation Based on Simulink

Energies, 2022
Lithium-ion batteries (LIB) proved over time to be one of the best choices among rechargeable batteries. Their small size, high energy density, long life, and low maintenance need make them a prominent candidate for the role of the most widespread energy
Giulio Barletta, Piera DiPrima, Davide Papurello   +2 more
doaj   +1 more source

Physics-Informed Neural Network with Thevenin Equivalent Circuit for Accurate SOC Li-ion Battery Estimation

Advance Sustainable Science, Engineering and Technology
Accurate state of charge (SOC) estimation is essential for the safety, performance, and longevity of lithium-ion batteries. Physics-based models such as equivalent circuit models (ECMs) are computationally efficient but struggle under nonlinear and time ...
C. Apribowo, M. D. Ashidqi, Z. Arifin, Henry Probo Santoso   +3 more
semanticscholar   +1 more source

Real-Time Simulation of Hybrid Modular Multilevel Converters Using Shifted Phasor Models

IEEE Access, 2019
The real-time simulation of modular multilevel converter (MMC) is essential to the evaluation and validation of its control and protection systems.
Yingdong Wei, Dewu Shu, Xiaorong Xie, Venkata Dinavahi, Zheng Yan   +4 more
doaj   +1 more source

Determination of Conducted EM Emissions on DC–AC Power Converters Based on Linear Equivalent Thevenin Block Circuit Models

IEEE transactions on electromagnetic compatibility (Print), 2022
This article deals with circuit modeling of power systems and more particularly of DC–AC converters used for controlling electric motors. The objective of the model is to be able to assess conducted emission currents at both inputs and outputs for fixed ...
L. Guibert, J. Parmantier, I. Junqua, M. Ridel   +3 more
semanticscholar   +1 more source

Thévenin Equivalent of Voltage-Source Converters for DC Fault Studies

, 2016
© 2015 IEEE. This paper presents a simple modulation index-dependent Thévenin equivalent circuit model of the voltage-source converters (VSCs) and the associated anti-parallel diode rectifier.
Mork, Bruce A., Bahirat, Himanshu J., Høidalen, Hans Kr   +2 more
core   +1 more source

Considering wind speed variability in real-time voltage stability assessment using Thévenin equivalent methods [PDF]

, 2017
In this paper, wind speed models are used to consider its variability in real-time voltage stability assessment using Thévenin equivalent methods. A stochastic differential equation was used to produce a set of wind speeds required for the simulation ...
Angel Perez, Bahtiyar Can Karatas, Østergaard, Jacob, Perez, Angel, Karatas, Bahtiyar Can, Hjortur Johannsson, Jacob Ostergaard, Jóhannsson, Hjörtur   +7 more
core   +1 more source

Bridge Average Value Model of Modular Multilevel Converter

Zhongguo dianli, 2019
The speed-up simulation model of modular multilevel converter (MMC) is the basis for the research of voltage-source converter high-voltage direct-current (VSC-HVDC) system. Among many models, the bridge Thevenin model of MMC is the most widely used.
Ning CHEN, Lei QI, Meng BAO, Xiang CUI
doaj   +1 more source