Results 51 to 60 of about 9,456,025 (175)

A STATIC AND DYNAMIC TECHNIQUE CONTINGENCY RANKING ANALYSIS IN VOLTAGE STABILITY ASSESSMENT [PDF]

, 2013
The objective of the research is to compare between technique for determine the weak bus of the power system using static and dynamic contingency ranking analysis. Identification of the weak bus is very important for providing
Nizam , Muhammad
core  

Explainable AI-Based Short-Term Voltage Stability Mechanism Analysis: Explainability Measure and Stability-Oriented Preventive Control

CSEE Journal of Power and Energy Systems
As the cornerstone for the safe operation of energy systems, short-term voltage stability (STVS) has been assessed effectively with the advance of artificial intelligence (AI).
Boyang Shan, Alberto Borghetti, Weiye Zheng, Qi Guo   +3 more
doaj   +1 more source

Convolution Neural Network-Based Load Model Parameter Selection Considering Short-Term Voltage Stability

CSEE Journal of Power and Energy Systems
The recently proposed ambient signal-based load modeling approach offers an important and effective idea to study the time-varying and distributed characteristics of power loads. Meanwhile, it also brings new problems.
Ying Wang, Chao Lu, Xinran Zhang
doaj   +1 more source

Short-term voltage stability enhancement in residential grid with high penetration of rooftop PV units

, 2018
Short-term voltage instability (STVI) imposes a severe threat to modern distribution systems where a large number of intermittent distributed generator (DG) units, like rooftop photovoltaic (PV), is being integrated.
Islam, Monirul, Hossain, Jahangir, Nadarajah, Mithulananthan, Hossain, M Jahangir   +3 more
core   +2 more sources

A spatiotemporal CNN-LSTM approach to short-term voltage stability assessment considering PMU data anomalies

Next Energy
The increasing complexity of modern power systems requires fast and accurate short-term voltage stability assessment (STVSA) to support reliable real-time system operation.
Lesnanto Multa Putranto, Izzuddin Fathin Azhar, Mokhammad Isnaeni Bambang Setyonegoro, Husni Rois Ali, Rian Fatah Mochamad, Arwindra Rizqiawan, Rony Seto Wibowo   +6 more
doaj   +1 more source

Evaluation of Simulations for Short-Term Voltage Stability Assessment with Respect to Model Uncertainties

Eng
In order to evaluate the short-term voltage stability of an electrical power grid, it is necessary to employ not only systematic and well-targeted fault simulations, but also an evaluation method that assesses the criticality of the individual scenarios.
Dorothee Nitsch, Hendrik Vennegeerts
doaj   +1 more source

KOHONEN NEURAL NETWORK CLUSTERING FOR VOLTAGE CONTROL IN POWER SYSTEMS [PDF]

, 2010
Clustering a power system is very useful for the purpose of voltage stability control. However, the methods have developed usually have computational inefficiency.
Nizam , Muhammad
core  

A multi-scale heterogeneous graph transformer for multi-task short-term voltage stability assessment

Frontiers in Energy Research
Accurate short-term voltage stability (STVS) assessment is essential for online security monitoring and preventive control in modern power systems. Existing data-driven methods often simplify the power grid as a homogeneous structure, which makes it ...
Haisheng Hong, Jiawei Liu, Shuaihui Ren, Rui Tong, Xian Tang, Yi Hou   +5 more
doaj   +1 more source

Voltage Stability Assessment in Modern Power Systems: A Structured Review of Methods and Indices

Energies
The increasing penetration of inverter-based resources and the growing complexity of modern power systems have made voltage stability assessment a critical aspect of transmission network operation.
Annalisa Liccardo, Davide Lauria, Francesco Bonavolontà, Guido Coletta, Giorgio Maria Giannuzzi, Salvatore Tessitore, Cosimo Pisani   +6 more
doaj   +1 more source

Multi-Phase under Voltage Load Shedding Scheme for Preventing Delayed Voltage Recovery by Induction Motor Power Consumption Characteristics

Applied Sciences, 2018
This paper aims to develop a multi-phase under voltage load shedding (MUVLS) strategy that effectively sheds the load to mitigate delayed voltage recovery (DVR). The major cause of the DVR phenomenon is related to the dynamic characteristics of induction
Yunhwan Lee, Hwachang Song
doaj   +1 more source