Results 51 to 60 of about 1,582 (180)

Evaluation of Lithium-Ion Battery Equivalent Circuit Models for State of Charge Estimation by an Experimental Approach

open access: yesEnergies, 2011
To improve the use of lithium-ion batteries in electric vehicle (EV) applications, evaluations and comparisons of different equivalent circuit models are presented in this paper.
Jinxin Fan, Hongwen He, Rui Xiong
doaj   +1 more source

A Novel Bi-LSTM-Based Method for Thevenin Equivalent Parameter Identification

open access: yesFrontiers in Energy Research, 2022
Insufficient power system operation data sets hinder the extensive application of various artificial intelligence algorithms. The solution of the Thevenin equivalent parameters especially depends on the power flow data of the grid.
Chengyu Li, Jilai Yu, Jiaxin Lv
doaj   +1 more source

Shapelet‐Based Method for Short‐Term Voltage Stability Assessment Considering Interaction Mechanisms in Multi‐Infeed HVDC System

open access: yesIET Generation, Transmission &Distribution, Volume 20, Issue 1, January/December 2026.
The study presents a shapelet‐based method for short‐term voltage stability assessment in multi‐infeed HVDC systems, directly addressing the challenges of high‐dimensional, nonlinear and time‐varying phenomena intrinsic to modern power grids. By integrating a multi‐timescale interaction mechanism with an interpretable time‐series data mining approach ...
Yubo Sun, Shuqing Zhang, Chao Lu
wiley   +1 more source

Research Progress of Battery Life Prediction Methods Based on Physical Model

open access: yesEnergies, 2023
Remaining useful life prediction is of great significance for battery safety and maintenance. The remaining useful life prediction method, based on a physical model, has wide applicability and high prediction accuracy, which is the research hotspot of ...
Xingxing Wang   +6 more
doaj   +1 more source

Admittance‑Based Two‑Stage Optimisation of GFM‑STATCOM Parameters for Transient Voltage Support in DFIG Wind Farms

open access: yesIET Generation, Transmission &Distribution, Volume 20, Issue 1, January/December 2026.
This paper builds an admittance model for a DFIG‐STATCOM parallel system. Based on the system, the paper provides a method to optimise the control of the STATCOM, which aims to increase the performance of the system during symmetrical faults .
Wenhao Du   +5 more
wiley   +1 more source

Dead-time effect modeling for hybrid modular multilevel converter using twin mapping

open access: yesInternational Journal of Electrical Power & Energy Systems
Dead-time control is essential for modular multilevel converters (MMCs), but it negatively impacts MMC performance. To support the development of control strategies to mitigate the adverse effects of dead-time, electromagnetic transient (EMT) simulations
Moke Feng   +5 more
doaj   +1 more source

Certain investigation and implementation of Coulomb counting based unscented Kalman filter for state of charge estimation of lithium-ion batteries used in electric vehicle application

open access: yesInternational Journal of Thermofluids, 2023
At various operating conditions, battery performance and attributes will change. By employing precise, effective circuit and battery models, designers can forecast and optimize battery run-time, the current state of charge (SOC), and circuit performance.
Selvaraj Vedhanayaki   +1 more
doaj   +1 more source

A New Way of Controlling Parallel-Connected Inverters by Using Synchronous-Reference-Frame Virtual Impedance Loop:—Part I: Control Principle [PDF]

open access: yes, 2016
A novel simple and effective autonomous current-sharing controller for parallel three-phase inverters is proposed in this paper. The proposed controller provides faster response and better accuracy in contrast to the conventional droop control, since ...
Guan, Yajuan   +4 more
core   +2 more sources

Robustness and Performance Analysis of a Current‐Controlled Quasi‐Stationary Electrical Model Virtual Synchronous Machine Using a Parameter‐Dependent Operating Point

open access: yesIET Generation, Transmission &Distribution, Volume 20, Issue 1, January/December 2026.
This paper analyzes the robustness of a current‐controlled quasi‐stationary electrical model virtual synchronous machine. Fundamental limitations of structured singular value‐based stability analysis are revealed for nonlinear converter‐dominated power systems when parametric uncertainties significantly affect the operating point.
Christina Zuromski   +3 more
wiley   +1 more source

An electronics Threshold-Concept Inventory: Assessment in the face of the dependency of concepts [PDF]

open access: yes, 2012
The Theory of Threshold Concepts (TCs), first articulated by Land and Meyer in 2003, provides educators in many disciplines with a tool to identify those special ideas that both define the characteristic ways of thinking of expert practitioners, and ...
Harlow, Ann   +2 more
core   +1 more source

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