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Comprehensive Review of Short-Term Voltage Stability Evaluation Methods in Modern Power Systems

open access: yesEnergies, 2021
The possibility to monitor and evaluate power system stability in real-time is in growing demand. Whilst most stability-related studies focus on long-term voltage stability and frequency stability, very little attention is given to the issue of short ...
Aleksandar Boričić   +2 more
doaj   +7 more sources

Analyzing Six Indices for Online Short-Term Voltage Stability Monitoring in Power Systems [PDF]

open access: yesApplied Sciences, 2020
In recent years, the importance of online monitoring short-term voltage stability has been considerably increased. Unstable cases due to response of fast dynamic loads such as induction motors to the serious disturbances can be avoided by online ...
Milad Aslanian   +3 more
doaj   +6 more sources

Short-term voltage stability analysis in power systems: A voltage solvability indicator

open access: yesInternational Journal of Electrical Power & Energy Systems
This paper presents an analytical study for short-term voltage stability based on a novel indicator. First, it is shown that the reduced Jacobian matrix of network equations can be transformed to obtain an approximately symmetric matrix which is usually ...
Wenqing Hao   +4 more
doaj   +5 more sources

A New Global Index for Short Term Voltage Stability Assessment [PDF]

open access: yesIEEE Access, 2021
The utility scale of non-conventional generators (NCGs), such as wind and photovoltaic (PV) plants, are competitive alternatives to synchronous machines (SMs) for power generation.
Abdulrhman Alshareef   +3 more
doaj   +6 more sources

Short-term voltage stability constrained ORPF for real-time voltage control

open access: yesFrontiers in Energy Research
In power systems with high renewable energy penetration, short-term voltage stability (STVS) has become an increasingly critical issue. In future real-time automatic voltage control (AVC), sufficient STVS margins need to be incorporated into the ...
Jinquan Zhao   +2 more
doaj   +3 more sources

SHORT-TERM HYDROTHERMAL COORDINATION CONSIDERING SECURITY CONSTRAINTS AND VOLTAGE STABILITY [PDF]

open access: yesمجله مدل سازی در مهندسی, 2012
This paper presents a new approach based on Benders decomposition (BD) to solve short-term hydrothermal coordination problem with AC power flow, voltage stability and security constraints.
نیما Amjady, محمدرضا Ansari
doaj   +3 more sources

Deep Learning for Short-Term Voltage Stability Assessment of Power Systems [PDF]

open access: yesIEEE Access, 2021
To fully learn the latent temporal dependencies from post-disturbance system dynamic trajectories, deep learning is utilized for short-term voltage stability (STVS) assessment of power systems in this paper.
Meng Zhang   +3 more
doaj   +4 more sources

Real-Time Adaptive Corrective Control of Short-Term Voltage Stability

open access: yesIEEE Access
Although several data-driven approaches for short-term voltage stability (STVS) assessment have been proposed, most of them do not extend to corrective control actions nor consider the joint dynamics of generation and load. To address this gap, this work
Estefania A. Tapia Suarez   +2 more
doaj   +3 more sources

Multi-class imbalanced learning for short-term voltage stability assessment

open access: yese-Prime: Advances in Electrical Engineering, Electronics and Energy
Imbalanced databases tend to bias machine learning models toward the majority class, compromising the accuracy of network state assessment and leading to suboptimal or erroneous decision-making.
Amir Hossein Babaali   +1 more
doaj   +2 more sources

Short-Term Voltage Stability Analysis and Enhancement Strategies for Power Systems With Photovoltaic Penetration

open access: yesIEEE Access
As the photovoltaic (PV) penetration in the grid continues to rise, significant changes occur in the power source configuration of power systems, altering the short-term voltage stability characteristics of the grid. This paper theoretically analyzes the
Wenqing Hao, Minquan Chen, Deqiang Gan
doaj   +3 more sources

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