A novel collapse prediction index for voltage stability analysis and contingency ranking in power systems

S Mokred, Y Wang, T Chen - Protection and Control of Modern …, 2023 - ieeexplore.ieee.org
Voltage instability is a serious phenomenon that can occur in a power system because of
critical or stressed conditions. To prevent voltage collapse caused by such instability …

Static voltage stability improvement with battery energy storage considering optimal control of active and reactive power injection

OB Adewuyi, R Shigenobu, K Ooya, T Senjyu… - Electric Power Systems …, 2019 - Elsevier
Voltage stability analysis and improvement remain a major concern of power system
operators due to the recurrent risk of voltage collapse. Many approaches have been used to …

Genetic algorithm based support vector machine for on-line voltage stability monitoring

KS Sajan, V Kumar, B Tyagi - International Journal of Electrical Power & …, 2015 - Elsevier
Abstract A Genetic Algorithm based Support Vector Machine (GA-SVM) approach for online
monitoring of long-term voltage instability has been proposed in this paper. The …

Line collapse proximity index for prediction of voltage collapse in power systems

R Tiwari, KR Niazi, V Gupta - International Journal of Electrical Power & …, 2012 - Elsevier
This paper proposes a new index to assess the voltage stability of the system accurately.
The index is based upon exact model of transmission system and developed using ABCD …

Estimating the saddle-node bifurcation point of static power systems using the holomorphic embedding method

SD Rao, DJ Tylavsky, Y Feng - International Journal of Electrical Power & …, 2017 - Elsevier
Voltage stability studies have been progressively gaining importance in the power
engineering community. Predicting the saddle-node bifurcation point (SNBP) of a power …

PMU-based voltage stability measurement under contingency using ANN

S Kumar, B Tyagi, V Kumar… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
An artificial neural network (ANN) is an effective and efficient approach for solving problems,
which require fast and complicated computation. The study proposed a PMU measurement …

Voltage security operation region calculation based on improved particle swarm optimization and recursive least square hybrid algorithm

S Maihemuti, W Wang, H Wang… - Journal of Modern Power …, 2020 - ieeexplore.ieee.org
Large-scale voltage collapse incidences, which result in power outages over large regions
and extensive economic losses, are presently common occurrences worldwide. To avoid …

A novel line stability index for voltage stability analysis and contingency ranking in power system using fuzzy based load flow

R Kanimozhi, K Selvi - Journal of Electrical Engineering and …, 2013 - koreascience.kr
In electric power system, the line stability indices adopted in most of the instances laid stress
on variation of reactive power than real power variation of the transmission line. In this …

[PDF][PDF] Enhancement in voltage stability using FACTS devices under contingency conditions

SK Gupta, SK Mallik - Journal of Operation and Automation in Power …, 2024 - sid.ir
The voltage stability margin (VSM) is an important indicator to access the voltage stability of
the power system. In this paper, Flexible AC transmission systems (FACTS) devices like …

Load Margin Assessment of Power Systems Using Physics-Informed Neural Network with Optimized Parameters

MEC Bento - Energies, 2024 - mdpi.com
Challenges in the operation of power systems arise from several factors such as the
interconnection of large power systems, integration of new energy sources and the increase …