Results 71 to 80 of about 24,535,003 (193)

Discrete-Time Impedance Model-Based Dynamic Analysis and Parameter Design for VSG-Controlled Grid-Forming DG System

Energies
The virtual synchronous generator (VSG) scheme has proven to be an attractive solution in grid-forming converter applications integrated into distributed generation (DG) systems.
Thiago F. do Nascimento, Josenalde B. Oliveira, Elmer R. L. Villarreal, Andrés O. Salazar   +3 more
doaj   +1 more source

Functional Polymers for Ionic Thermoelectrics: Multiscale Design Strategies for Ion Dynamics, Mechanics, and Energy Harvesting

Advanced Materials, Volume 38, Issue 15, 12 March 2026.
This review highlights the impact of the polymers at the molecular‐, micro‐, and macro‐scale engineering. Particular emphasis is placed on their roles at different scales to provide an in‐depth understanding of performance improvement. In addition, current challenges and potential research approaches are discussed, outlining directions for the future ...
Sungryong Kim, Jin Han Kwon, Juyoung Kang, Hong Chul Moon   +3 more
wiley   +1 more source

Online Identification of Thevenin Equivalent Circuit Model Parameters and Estimation State of Charge of Lithium-Ion Batteries

2018 IEEE International Conference on Environment and Electrical Engineering and 2018 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe), 2018
On Electrical and Hybrid Vehicles (EVs, HEVs), energy is stored in accumulators, mainly electro-chemical batteries. A reliable and cost effective management of energy storage system is a key point for the development of such devices, their durability and
E. Locorotondo, L. Pugi, L. Berzi, M. Pierini, G. Lutzemberger   +4 more
semanticscholar   +1 more source

Comparisons of Modeling and State of Charge Estimation for Lithium-Ion Battery Based on Fractional Order and Integral Order Methods

Energies, 2016
In order to properly manage lithium-ion batteries of electric vehicles (EVs), it is essential to build the battery model and estimate the state of charge (SOC). In this paper, the fractional order forms of Thevenin and partnership for a new generation of
Renxin Xiao, Jiangwei Shen, Xiaoyu Li, Wensheng Yan, Erdong Pan, Zheng Chen   +5 more
doaj   +1 more source

State of Charge Estimation of EV Secondary Battery Pack Using Hybrid Hedge Feedforward Feedback‐Based Gated Recurrent Unit to Extend Lifespan

Battery Energy, Volume 5, Issue 2, March 2026.
SOC estimation is performed using a newly developed online HFF‐GRU method. Improves charge balancing among battery cells, leading to a substantial increase in the battery pack's lifespan. ABSTRACT Accurate estimation of state of charge (SoC) and maintaining balanced charge levels across secondary battery cells are crucial in battery management systems (
Md Ohirul Qays, Iftekhar Ahmad, Daryoush Habibi, Mohammad A. S. Masoum, Paul Moses   +4 more
wiley   +1 more source

Mechanism and Data-Driven Fusion SOC Estimation

Energies
An accurate assessment of the state of charge (SOC) of electric vehicle batteries is critical for implementing frequency regulation and peak shaving. This study proposes mechanism- and data-driven SOC fusion calculation methods.
Aijun Tian, Weidong Xue, Chen Zhou, Yongquan Zhang, Haiying Dong   +4 more
doaj   +1 more source

Electrical Characterization and Modeling of a Gelatin/Graphene System

Advances in Condensed Matter Physics, 2015
A gelatin/graphene composite has been analyzed by means of current density-voltage and the electrical impedance measurements. The DC electrical behavior has been interpreted in terms of an equivalent Thévenin model taking into account the open circuit ...
Giovanni Landi, Andrea Sorrentino, Salvatore Iannace, Heinrich C. Neitzert   +3 more
doaj   +1 more source

Contested but Resilient: Accounting for the Endurance of the European Union's Foreign Policy

JCMS: Journal of Common Market Studies, Volume 64, Issue 3, Page 1160-1174, May 2026.
Oriol Costa, Ana E. Juncos, Patrick Müller, Helene Sjursen   +3 more
wiley   +1 more source

Online assessment of short-term voltage stability based on hybrid model and data-driven approach

International Journal of Electrical Power & Energy Systems
With the continuously increasing integration of renewable energy sources into power grids, the dynamic response of a power system is becoming more complex.
Guowei Cai, Zhichong Cao, Cheng Liu, Hao Yang, Yi Cheng, Vladimir Terzija   +5 more
doaj   +1 more source

Comparison of Lithium-Ion Battery Models for Simulating Storage Systems in Distributed Power Generation

Inventions, 2019
Lithium-ion batteries are well known in numerous commercial applications. Using accurate and efficient models, system designers can predict the behavior of batteries and optimize the associated performance management.
Hartmut Hinz
doaj   +1 more source