Results 91 to 100 of about 9,497 (209)

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

open access: yesEnergies
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   +3 more
doaj   +1 more source

Performance Improvement in Passive Backscatter Based RFID System with Low DCR Modulations [PDF]

open access: yes, 2014
This paper presents application of the low Duty Cycle Ratio (DCR) modulations: isochronous Digital Pulse Position Modulation (DPPM) and anisochronous Digital Pulse Interval Modulation (DPIM) in backscatter based passive RFID communication system.
Svedek, T., Vinko, D., Zagar, D.
core   +1 more source

Total Distortion—A New Power Quality Index on Current Harmonic Evaluation for Users With Internal Loads and DERs

open access: yesIET Generation, Transmission &Distribution, Volume 20, Issue 1, January/December 2026.
ABSTRACT The IEEE Std 519–2022 IEEE Standard for harmonic control in electric power systems is widely used for controlling the harmonics in the electric power system. It uses the total demand distortion (TDD) for current harmonic evaluation at the point of common coupling (PCC).
Sivaraman P   +3 more
wiley   +1 more source

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

open access: yesEnergies, 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   +5 more
doaj   +1 more source

A STATIC AND DYNAMIC TECHNIQUE CONTINGENCY RANKING ANALYSIS IN VOLTAGE STABILITY ASSESSMENT [PDF]

open access: yes, 2013
The objective of the research is to compare between technique for determine the weak bus of the power system using static and dynamic contingency ranking analysis. Identification of the weak bus is very important for providing
Nizam , Muhammad
core  

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

Mechanism and Data-Driven Fusion SOC Estimation

open access: yesEnergies
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   +4 more
doaj   +1 more source

RF bifurcation of a Josephson junction: microwave embedding circuit requirements

open access: yes, 2006
A Josephson tunnel junction which is RF-driven near a dynamical bifurcation point can amplify quantum signals. The bifurcation point will exist robustly only if the electrodynamic environment of the junction meets certain criteria.
A. H. Nayfeh   +13 more
core   +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

Battery State-of-Charge Estimation with Extended Kalman-Filter using Third-Order Thevenin Model

open access: yesTELKOMNIKA (Telecommunication Computing Electronics and Control), 2015
Lithium-ion battery has become the mainstream energy storage element of the electric vehicle. One of the challenges in electric vehicle development is the state-of-charge estimation of battery. Accurate estimation of state-of-charge is vital to indicate the remaining capacity of the battery and it will eventually maximize the battery performance and ...
Low Wen Yao   +3 more
openaire   +2 more sources

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