Results 81 to 90 of about 5,426 (206)

Impact of Cyberphysical Attacks on Load Tap Changers and Distribution System Voltage Stability

open access: yesIET Smart Grid, Volume 9, Issue 1, January/December 2026.
In this paper, we analysed the impact of a cyberphysical attack manipulating the operation of the LTC. In addition, we analysed the effect of load drop and PV while LTC is being manipulated. The cyber vulnerabilities leading to the attack were explored. ABSTRACT Load tap changers (LTCs) play a critical role in voltage regulation, and their manipulation
Anas AlMajali   +4 more
wiley   +1 more source

A High-Efficiency RF Harvester with Maximum Power Point Tracking

open access: yesProceedings, 2018
This paper presents the implementation of a high-efficiency radiofrequency (RF) harvester, which consists of a rectenna and a maximum power point tracker (MPPT).
Manel Gasulla   +5 more
doaj   +1 more source

Quantitative Analysis Method of Stability Ability for Renewable Electric Energy Delivery System

open access: yesIET Smart Grid, Volume 9, Issue 1, January/December 2026.
In this paper, a novel stability ability quantification method based on the amplitude mapping model (AMM) for the GFL–GFM hybrid system is proposed and introduced. Using this method, a concise and practical expression of stability ability can be calculated and derived and the stability of the system can be quantitatively analysed.
Jiawang Xiong   +4 more
wiley   +1 more source

Deep Reinforcement Learning‐Based Load‐Side Resonance Forcing via Hyper‐Scale Data Center Load Modulation

open access: yesIET Smart Grid, Volume 9, Issue 1, January/December 2026.
This paper investigates load‐side resonance attacks on power grids via hyper‐scale data center load modulation, using Deep Reinforcement Learning to discover mode‐matched forcing patterns from local frequency observations alone. Multi‐agent coordination via Centralised‐Training‐Decentralised‐Execution enables distributed attackers to synchronize ...
Mohamed Shamseldein
wiley   +1 more source

Comparison of Three Optimization Algorithms for Designing a Robust Power System With an Advanced Heffron–Phillips Model

open access: yesJournal of Electrical and Computer Engineering, Volume 2026, Issue 1, 2026.
Low‐frequency oscillations are created in the power system due to the interconnection of large electric networks with weak tie‐lines, heavy power exchanges, and sudden changes in load demand and generation, which must be damped quickly for stability.
Niharika Agrawal   +2 more
wiley   +1 more source

Oxygen delivery and consumption in aging skeletal muscle: Insights from an electric analogy model of PO2 transients

open access: yesPhysiological Reports, Volume 14, Issue 2, January 2026.
Abstract Mathematical models are essential for understanding oxygen transport and utilization during metabolic transitions. An electrical analogy concept proposed that exponential PO2 transients arise from interaction between oxygen storage capacitance and transport conductances, but lacked explicit circuit representation limiting quantitative ...
Aleksander S. Golub   +3 more
wiley   +1 more source

Voltage sag source identification based on the sign of internal resistance in a “Thevenin's equivalent circuit”

open access: yesInternational Transactions on Electrical Energy Systems, 2017
Summary This paper briefly introduces the existing methods for voltage sag source location and theoretically analyzes some reasons why high accuracy cannot be achieved by using these methods. Based on the redefined voltage sag source location “reference direction” and the analysis of voltage sag source's influences in power network, it is pointed out ...
Yi Tang   +3 more
openaire   +1 more source

State of Charge Estimation of a Lithium Ion Battery Based on Adaptive Kalman Filter Method for an Equivalent Circuit Model

open access: yesApplied Sciences, 2019
Due to its accuracy, simplicity, and other advantages, the Kalman filter method is one of the common algorithms to estimate the state-of-charge (SOC) of batteries. However, this method still has its shortcomings.
Xiao Ma   +3 more
doaj   +1 more source

A rapid simulation method for full-bridge sub-module MMC based on bridge arm equivalent capacitance

open access: yesZhejiang dianli
MMC (modular multilevel converter) contains a large number of switching elements, which brings a huge computational burden to the electromagnetic transient simulation.
LU Yi   +6 more
doaj   +1 more source

SOC Estimation with an Adaptive Unscented Kalman Filter Based on Model Parameter Optimization

open access: yesApplied Sciences, 2019
State of charge (SOC) estimation is generally acknowledged to be one of the most important functions of the battery management system (BMS) and is thus widely studied in academia and industry.
Xiangwei Guo   +5 more
doaj   +1 more source

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