Results 11 to 20 of about 1,361,325 (295)

Power system optimization approach to mitigate voltage instability issues: A review

open access: yesCogent Engineering, 2023
Voltage instability is a major challenge facing power system (PS) that has affected some organizations in achieving their desired goals. Therefore, voltage instability is the incapability of the PS to maintain the voltage standard under no disturbance ...
Samson Ademola Adegoke, Yanxia Sun
doaj   +4 more sources

Bubble Formation in the Electrolyte Triggers Voltage Instability in CO2 Electrolyzers [PDF]

open access: yesiScience, 2020
Summary: The electrochemical reduction of CO2 is promising for mitigating anthropogenic greenhouse gas emissions; however, voltage instabilities currently inhibit reaching high current densities that are prerequisite for commercialization.
ChungHyuk Lee   +5 more
doaj   +2 more sources

Particle Swarm Optimization trained recurrent neural network for voltage instability prediction

open access: yesJournal of Electrical Systems and Information Technology, 2018
Voltage instability is considered as a major problem that faces the power systems during its operation. Voltage instability prediction is necessary for avoiding voltage collapse.
Amr M. Ibrahim, Noha H. El-Amary
doaj   +3 more sources

INSTABILITY, FREQUENCY AND VOLTAGE IN MANAUS

open access: yesITEGAM-JETIA, 2020
The article describes the system instability, frequency and voltage in Manaus. Electrical systems are relevant to the functioning of cities and are constantly evolving to meet growing demands.
Talitha do Nascimento Brito   +2 more
doaj   +3 more sources

A Novel Data Driven Model for Voltage Stability Status Prediction and Instability Mitigation

open access: yesInternational Transactions on Electrical Energy Systems
An intelligent power system is either a system that is smartly designed from zero to 100, or a system that was not smartly designed but currently uses all its facilities to be smartly operated in different sectors. This paper presents a novel data-driven
F. Kh. Alabbas   +3 more
doaj   +2 more sources

Abnormal Temperature and Bias Dependence of Threshold Voltage Instability in p-GaN/AlGaN/GaN HEMTs

open access: yesIEEE Journal of the Electron Devices Society
In this work, we investigated the instability of threshold voltage (Vth) in p-GaN/AlGaN/GaN high electron mobility transistors (HEMTs) under positive gate biases and high temperatures.
Myeongsu Chae   +2 more
doaj   +2 more sources

A survey on voltage stability indices for power system transmission and distribution systems

open access: yesFrontiers in Energy Research, 2023
Voltage stability is a critical aspect of power system operation, ensuring the reliable and efficient delivery of electrical energy to consumers. Recently, voltage stability in the power system has received much attention.
Guru Mohan Baleboina, R. Mageshvaran
doaj   +1 more source

Voltage instability and voltage regulating distribution transformer assessment under renewable energy penetration for low voltage distribution system [PDF]

open access: yes, 2023
The Voltage Regulating Distribution Transformer (VRDT) is a tap-changing transformer that regulates the voltage across all three phases. However, its application in the context of renewable energy penetration into low-voltage grids remains understudied ...
Mohd Sapihie, Siti Nadiah   +5 more
core   +3 more sources

Settings in Employing Simulation Tools for Fast Determination of Time to Voltage Instability [PDF]

open access: yesمجله مدل سازی در مهندسی, 2018
Time domain simulation is an essential tool for dynamic security assessment in power system stability studies. Today, computational complexity is the concern that limits online applications of time domain simulation results.
M KH, M J, S S, S. Mohammad Shahrtash
doaj   +1 more source

A novel load shedding methodology to mitigate voltage instability in power system

open access: yesElectrical engineering & Electromechanics, 2022
Aim. A novel technique for detecting imminent voltage instability is proposed in this paper, accompanied by a novel load shedding approach to protect the system from voltage instability. Methodology.
H. Chappa, T. Thakur
doaj   +1 more source

Home - About - Disclaimer - Privacy