Results 31 to 40 of about 1,446,171 (254)

A Novel State of Charge Estimation Method for Ternary Lithium Batteries Based on System Function and Extended Kalman Filter

open access: yesInternational Journal of Electrochemical Science, 2020
The Equivalent Thevenin model is establish to describe the external performance of ternary lithium ion battery base on Hybrid Pulse Power Characteristic experiment by identifying and verifying model parameters.
Xiong Xin   +4 more
doaj   +1 more source

Electromagnetic Compatibility Analysis of Quadcopter UAVs Using the Equivalent Circuit Approach

open access: yesIEEE Open Journal of Antennas and Propagation, 2022
Studying the electromagnetic compatibility of an Unmanned Aerial Vehicle (UAV) using full-wave electromagnetic simulations is computationally challenging.
Mohamed Z. M. Hamdalla   +2 more
doaj   +1 more source

A novel hybrid equivalent circuit model for lithium-ion battery considering nonlinear capacity effects

open access: yesEnergy Reports, 2021
In this paper, a novel hybrid equivalent circuit model for lithium-ion battery. The proposed equivalent circuit model of lithium-ion battery is based on Thevenin equivalent circuit model, and a state-of-charge (SOC) part is added into the model to ...
Dongdong Chen   +3 more
doaj   +1 more source

Improved Thevenin Equivalent Model of MMC Considering Pre-charge Conditions and DC Side Fault Conditions

open access: yesApplied Computational Electromagnetics Society, 2021
The traditional Thevenin equivalent Modular Multilevel Converter (MMC) model has poor versatility for the two working conditions of pre-charging and DC-side faults.
Jin Enshu   +3 more
semanticscholar   +1 more source

Detailed quantitative comparison of half-bridge modular multilevel converter modelling methods

open access: yesThe Journal of Engineering, 2019
This paper presents a detailed comparison of different modelling methods of the half-bridge modular multilevel converter (HB-MMC), namely, switching function, Thevenin equivalent, and averaged, considering both MMC implementations (large and reduced ...
Deyang Guo   +6 more
doaj   +1 more source

A Self-Calibration SOC Estimation Method for Lithium-Ion Battery

open access: yesIEEE Access, 2023
Accurate state of charge (SOC) estimation is essential for the battery management system (BMS). In engineering, inappropriate selection of equivalent circuit model (ECM) and model parameters is common for lithium-ion batteries.
Yueshuai Fu, Huimin Fu
doaj   +1 more source

Thévenin Equivalent Circuits for Modeling Coupled Common/Differential-Mode Behavior in Power Electronic Systems

open access: yesIEEE Open Access Journal of Power and Energy, 2021
Modeling the unintended common- and differential-mode (CM and DM) behavior of multi-converter power electronic-based systems can be a challenge. Chief among the issues is the need for detailed knowledge of the converter hardware to determine model ...
Timothy J. Donnelly   +3 more
semanticscholar   +1 more source

Augmented Thevenin Model for the Harmonic Analysis of Switching Circuits [PDF]

open access: yes, 2020
This article addresses the use of the Thevenin equivalent model in the case of switching circuits. An augmented Thevenin model is proposed, based on a well-established augmented equivalent approach for the analysis of periodically switched linear ...
Sona, Alessandro, Alessandro Sona
core   +1 more source

Modified Impedance-Based OOS Protection Based on On-Line Thévenin Equivalent Estimation

open access: yesIranian Journal of Electrical and Electronic Engineering, 2021
In this paper, a novel approach based on the Thévenin tracing is presented to modified conventional impedance-based out-of-step (OOS) protection. In conventional approach, the OOS detection is done by measuring positive sequence impedance.
S. R. Hosseini   +2 more
doaj  

Communication-less adaptive directional overcurrent protection strategy considering islanded mode detection in active distribution networks

open access: yesResults in Engineering, 2023
The integration of distributed energy resources (DERs) in electric distribution networks originates the Active Distribution Networks (ADNs). The presence of DERs introduces challenges to conventional protection schemes due to bidirectional power flows ...
J. Orozco-Álvarez   +2 more
doaj   +1 more source

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