Results 21 to 30 of about 1,782 (181)

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

IEEE 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

The Definition of Power Grid Strength and Its Calculation Methods for Power Systems with High Proportion Nonsynchronous-Machine Sources

Energies, 2023
This paper studies the definition and calculation method of power grid strength in the environment of high-proportion nonsynchronous-machine sources, focusing on the effect of nonsynchronous-machine sources on voltage support strength and frequency ...
Zheng Xu, Nan Zhang, Zheren Zhang, Ying Huang   +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

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

Circuit theoretic classification of parallel connected dc-dc converters [PDF]

, 2014
Author name used in this publication: Chi K.
Huang, Y, Tse, CKM
core   +1 more source

Propose a MPPT Algorithm Based on Thevenin Equivalent Circuit for Improving Photovoltaic System Operation

Frontiers in Energy Research, 2020
Smart grids are considered as key solutions to solve current power security issues. Among these suggestions, microgrid is proposed to integrate distributed generations (DGs) such as photovoltaic (PV) system into the network and the control of DGs output ...
Binh Nam Nguyen, Van Tan Nguyen, Minh Quan Duong, Kim Hung Le, Huu Hieu Nguyen, Anh Tuan Doan   +5 more
doaj   +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

Electro-optomechanical equivalent circuits for quantum transduction

, 2018
Using the techniques of optomechanics, a high-$Q$ mechanical oscillator may serve as a link between electromagnetic modes of vastly different frequencies. This approach has successfully been exploited for the frequency conversion of classical signals and
Schliesser, Albert, Sørensen, Anders S., Taylor, Jacob M., Zeuthen, Emil   +3 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