Results 11 to 20 of about 312 (146)

Predicting Voltage Stability Using Graph Convolutional Networks [PDF]

Journal of Engineering
Real-time voltage stability assessment is critical for secure power grid operation, yet traditional simulation-based methods suffer from high computational latency.
Saad Hayat, Aamir Nawaz, Aftab Ahmed Almani, Ehtasham Mustafa, Zahid Javid, William Holderbaum   +5 more
doaj   +4 more sources

A Novel Methodology for Strengthening Stability in Electrical Power Systems by Considering Fast Voltage Stability Index under N − 1 Scenarios

Energies, 2023
An electrical power system (EPS) is subject to unexpected events that might cause the outage of elements such as transformers, generators, and transmission lines.
Manuel Dario Jaramillo, Diego Francisco Carrión, Jorge Paul Muñoz   +2 more
doaj   +2 more sources

Stability Analysis of a Line Voltage using FACTS Devices [PDF]

E3S Web of Conferences
The analysis of voltage stability in power system networks is outlined in this document. The Fast Voltage Stability Index (FVSI) is employed to evaluate the condition of the power lines under both normal and critical load situations.
Ezhilarasan G., Saxena Vijay, Agrawal Trapty, Singar Mahendra Kumar   +3 more
doaj   +4 more sources

Voltage Stability Assessments and Their Improvement Using Optimal Placed Static Synchronous Compensator (STATCOM)

Journal of Electrical and Computer Engineering, 2022
In this paper, static voltage stability assessments and their improvement using analytical and optimization techniques with different loading scenarios are described.
Tebeje Tesfaw Wondie, Teshome Goa Tella
doaj   +2 more sources

Performance of Various Voltage Stability Indices in a Stochastic Multiobjective Optimal Power Flow Using Mayfly Algorithm

Journal of Electrical and Computer Engineering, 2022
The performance of voltage stability indices in the multiobjective optimal power flow of modern power systems is presented in this work. Six indices: the Voltage Collapse Proximity Index (VCPI), Line Voltage Stability Index (LVSI), Line Stability Index ...
Rebeccah Kyomugisha, Christopher Maina Muriithi, George Nyauma Nyakoe   +2 more
doaj   +2 more sources

Impact of the UPFC on the optimal transmission switching for cutting down market power cost [PDF]

Engineering and Technology Journal
The exercise of market power by the strategic generating companies (gencos) in the deregulated wholesale electricity market (WEM) should be mitigated, as it results in higher wholesale prices of electricity and a drop in competition in the WEM ...
Sunday Adetona, Makanjuola Adetola, Frank Okafor, Nwabueze Ubakanwa   +3 more
doaj   +3 more sources

Optimal Reactive Power Planning Using FACTS Devices for Voltage Stability Enhancement in Power Transmission Systems

Energy Science & Engineering
The increased demand for electricity has forced power systems to operate near their stability limits. Optimal reactive power planning (ORPP) can enhance voltage stability and provide much‐needed support for grid operation. Flexible AC transmission system
Rawan Abu Zeitawyeh, Ayman Faza
doaj   +2 more sources

Performance of two modified optimization techniques for power system voltage stability problems

Alexandria Engineering Journal, 2016
The development of optimization techniques in power system is to determine the sizing of Flexible AC Transmission System (FACTS) devices such as Unified Power Flow Series Compensator (UPFC) controller in improving the voltage stability and bus voltage ...
S. Harish Kiran, Subhransu Sekhar Dash, C. Subramani   +2 more
doaj   +2 more sources

A Hybrid Analytical Approach for Voltage Stability Assessment in Microgrids Using Machine Learning

Energies
The complexity of voltage stability assessment in modern smart grids has increased significantly with the growing penetration of renewable energy sources and the dynamic nature of load variations.
Muhammad Jamshed Abbass, Robert Lis
doaj   +2 more sources

Persistence-Based Identification of Structurally Critical Transmission Lines Under N − 1 Contingencies

Energies
Voltage stability assessment under transmission contingencies is traditionally performed using severity-based indices evaluated on isolated outage scenarios.
Manuel Jaramillo, Diego Carrión, Carlos Barrera-Singaña, Luis Tipán, Filippos Perdikos, Jorge González   +5 more
doaj   +2 more sources