Results 21 to 30 of about 9,456,025 (175)

Convolutional Long Short-Term Memory (ConvLSTM)-Based Prediction of Voltage Stability in a Microgrid

Energies
The maintenance of an uninterrupted electricity supply to meet demand is of paramount importance for maintaining the stable operation of an electrical power system.
Muhammad Jamshed Abbass, Robert Lis, Muhammad Awais, Tham X. Nguyen   +3 more
doaj   +2 more sources

Short term voltage-based risk assessment by incorporating reactive power adequacy

Ain Shams Engineering Journal, 2016
A risk-based approach for short term security assessment with voltage stability constraint is presented in this paper. This approach includes voltage-stability considerations in reactive power adequacy assessment of a composite power system. The proposed
Mohsen Rahimi, Mahmud Fotuhi-Firuzabad, Ali Karimi   +2 more
doaj   +2 more sources

A Novel Data-Driven Approach for Managing Renewable Energy Systems During Short-Term Voltage Instability

IEEE Access
This study investigates the application of the maximum Lyapunov exponent in combination with k-means clustering to identify short-term voltage instability in multi-machine power grids.
Stepan P. Vasilev, Oleg O. Khamisov, Petr S. Vasilev   +2 more
doaj   +2 more sources

A grid-support strategy with PV units to boost short-term voltage stability under asymmetrical faults

, 2020
© 1969-2012 IEEE. Modern grid codes demand the integration of voltage support capability with photo-voltaic (PV) generators to ensure a secure operation of power systems.
Nadarajah, M, Hossain, MJ, Islam, M, Islam, Monirul, Nadarajah, Mithulananthan, Hossain, M. Jahangir   +5 more
core   +2 more sources

Load Margin for Short-term Voltage Stability of an Interconnected AC/MTDC System

, 2022
711717The so-called short-term voltage stability is typical of nonlinear problems arising in dynamic performance of electric power systems. This paper reports a simulation result on load margin for short-term voltage stability of the IEEE 9-bus system ...
Ishigame, Atsushi, Kawamoto, Naoki, Mende, Denis, Stock, David Sebastian, Susuki, Yoshihiko, D'Arco, Salvatore   +5 more
core   +1 more source

Data-Driven Short-Term Voltage Stability Assessment Considering Sample Imbalance and Overlapping

Frontiers in Energy Research, 2022
In recent years, data-driven methods have shown great potential for the practical application of short-term voltage stability (STVS) assessment. However, most existing research works overlook the problem of sample imbalance and overlap in STVS assessment.
Ruijin Zhu, Dafei Wang, Zhilin Su
doaj   +1 more source

Short-term Breakdown and Long-term Failure in Nanodielectrics: A Review [PDF]

, 2010
Nanodielectrics, which are concentrated in polymer matrix incorporating nanofillers, have received considerable attention due to their potential benefits as dielectrics.
Li, Shengtao, Yin, Guilai, Bai, Suna, Zhang, Yunxia, Zhong, Lisheng, Chen, George, Li, Jianying, Lei, Qingquan   +7 more
core   +2 more sources

Short-term Voltage Stability of Distribution Grids with Medium-scale PV Plants due to Asymmetrical Faults [PDF]

, 2019
© 2019 IEEE. With the increasing penetration of photo-voltaic (PV) units into electrical grids, particularly in distribution networks (DNs), the concern of short-term voltage instability (STVI) are growing in the presence of induction motor (IM) loads ...
Mithulananthan, N, Islam, M, Bhumkittipich, K, Hossain, J   +3 more
core   +1 more source

Short-term Reactive Power Reserve Optimization Based on Trajectory Sensitivity [PDF]

, 2017
© The Korean Institute of Electrical Engineers. An increasing concern is paid to short-term voltage stability with the growth of penetration of induction motor loads. Reactive power reserve(RPR) of power system is critical to improve voltage stability. A
Cheng, Haozhong, Baiqing Li, Li, Baiqing, Jian Zhang, Quancai Sun, Sun, Quancai, Zhang, Jian, Haozhong Cheng, Yue Song, Song, Yue   +9 more
core   +1 more source

Active and Reactive Power Joint Balancing for Analyzing Short-Term Voltage Instability Caused by Induction Motor

Energies, 2019
Short-term voltage instability has a sensational effect once it occurs with massive loss of load, possibly area instability, and voltage collapse. This paper analyzes the short-term voltage instability caused by induction motor from the viewpoint of ...
Ding Wang, Yangwu Shen, Zhen Hu, Ting Cui, Xiaoming Yuan   +4 more
doaj   +1 more source