Results 11 to 20 of about 1,495,902 (211)

Analysis of equivalent circuit models in lithium-ion batteries

AIP Advances, 2018
This study investigates lithium-ion (Li-ion) battery discharge at a constant current by comparing equivalent circuit simulation data with experimental data. The simulations employ Thévenin equivalent circuit models consisting of a resistance, capacitance,
Hyun Woo You, Jun Ik Bae, So Jeong Cho, Jong Moon Lee, Se-Hun Kim   +4 more
doaj   +2 more sources

Power-Based Equivalent-Modeling Circuit for DC Linear Time-Invariant Resistive One-Port Networks [PDF]

IEEE Access, 2021
This paper introduces a new equivalent circuit for linear DC networks containing independent voltage and/or current sources and resistors, which represents all internal losses.
Herminio Martinez-Garcia, Encarna Garcia-Vilchez   +1 more
doaj   +2 more sources

Reactive Power Control Method for Enhancing the Transient Stability Total Transfer Capability of Transmission Lines for a System with Large-Scale Renewable Energy Sources

Energies, 2020
With the increased proportion of intermittent renewable energy sources (RES) integrated into the sending-end, the total transfer capability of transmission lines is not sufficient during the peak periods of renewable primary energy (e.g., the wind force),
Yuwei Zhang, Wenying Liu, Fangyu Wang, Yaoxiang Zhang, Yalou Li   +4 more
doaj   +1 more source

An Accurate Time Constant Parameter Determination Method for the Varying Condition Equivalent Circuit Model of Lithium Batteries

Energies, 2020
An accurate estimation of the state of charge for lithium battery depends on an accurate identification of the battery model parameters. In order to identify the polarization resistance and polarization capacitance in a Thevenin equivalent circuit model ...
Liang Zhang, Shunli Wang, Daniel-Ioan Stroe, Chuanyun Zou, Carlos Fernandez, Chunmei Yu   +5 more
doaj   +1 more source

State of Charge (SOC) Estimation of Lithium-ion Battery Based on Adaptive Square Root Unscented Kalman Filter

International Journal of Electrochemical Science, 2020
The improved battery management system (BMS) can give full play to the best performance of power battery, and the state of charge (SOC) estimation of power lithium-ion battery is the core and key technology of BMS. The Kalman filter method with the first-
Wang Kai, Feng Xiao, Pang Jinbo, Ren Jun, Duan Chongxiong, Li Liwei   +5 more
doaj   +1 more source

Practical calculation of asymmetric short circuit current of DFIG connected to distribution network [PDF]

E3S Web of Conferences, 2020
In view of the existing complex analytic calculations of DFIG short-circuit current are hardly applied in engineering projects, a practical calculation of asymmetric short-circuit current of DFIG is proposed.
Fu Pengwu, Yang Dongwen, He Zhi, Duan Zhenfeng, Wang Dengmei   +4 more
doaj   +1 more source

Equivalent Circuit to Overcome Thévenin Limit for Receiving Lossy Dipole Antennas Motivated by the Poynting Streamline Analysis

IEEE Open Journal of Antennas and Propagation, 2023
In classical antenna theory, the Thévenin equivalent circuit is a commonly used tool to analyze the characteristics of receiving antennas. However, when dealing with a lossy antenna that is near a large load impedance, this circuit has limitations in ...
Jun-Ming Diao, Lu Liu
semanticscholar   +1 more source

CIRCUITO EQUIVALENTE DE THÉVENIN PARA EL MODELADO DE LA BATERÍA DE LITIO (THEVENIN’S EQUIVALENT CIRCUIT FOR LITHIUM BATTERY MODELING) [PDF]

, 2022
Resumen En este trabajo se presenta el modelado del circuito equivalente de Thévenin. Además se presenta una introducción a los tipos de baterías más comunes y sus características en términos de eficiencia.
Aguilar Hernández, Alma Delia, Campero Littlewood, Eduardo, Jiménez Mondragón, Víctor Manuel, González Montañez, Felipe de Jesús   +3 more
core   +2 more sources

Delay-line stabilized microwave oscillator with frequency control [PDF]

, 1997
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.The technique whereby the frequency of an oscillator is stabilized using an external feedback network incorporating a delay-line is extended in this thesis ...
Free, Charles Edward
core   +7 more sources

Unified Power Conservative Equivalent Circuit for DC Networks

IEEE Access, 2020
This article introduces a new equivalent circuit for linear direct current networks consisting of independent voltage and current sources, and resistors, which represents all the power dissipated internally in the resistors.
Ivo Barbi
doaj   +1 more source