Cause, Classification of Voltage Sag, and Voltage Sag Emulators and Applications: A Comprehensive Overview [PDF]
IEEE Access, 2020 The large-scale application of wind power and photovoltaic power solves the energy crisis and alleviates the environmental problems caused by the use of conventional energy.
Yang Han +5 more
semanticscholar +8 more sources
Prediction of Voltage Sag Relative Location with Data-Driven Algorithms in Distribution Grid
Energies, 2022 Power quality (PQ) problems, including voltage sag, flicker, and harmonics, are the main concerns for the grid operator. Among these disturbances, voltage sag, which affects the sensitive loads in the interconnected system, is a crucial problem in the ...
Yunus Yalman +2 more
exaly +4 more sources
Self-Supervised Voltage Sag Source Identification Method Based on CNN
Energies, 2019 A self-supervised voltage sag source identification method based on a convolution neural network is proposed in this study. In addition, a self-supervised CNN (Convolutional Neural Networks) voltage sag source identification model is constructed on the ...
Danqi Li +4 more
doaj +3 more sources
A review of voltage sag control measures and equipment in power systems
Energy Reports, 2022 In recent years, voltage sags are one of the most critical research issues in the field of power quality. With the all-embracing study of voltage sag mitigation measures and equipment, the classification of voltage sag mitigation measures and equipment ...
Yang Han, Amr S Zalhaf
exaly +3 more sources
Benchmarking of Voltage Sag Generators [PDF]
IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Society, 2012 The increased penetration of renewable energy systems, like photovoltaic and wind power systems, rises the concern about the power quality and stability of the utility grid.
Zou, Zhixiang +5 more
core +3 more sources
Recognition of Voltage Sag Sources Based on Phase Space Reconstruction and Improved VGG Transfer Learning [PDF]
Entropy, 2019 The recognition of the voltage sag sources is the basis for formulating a voltage sag governance plan and clarifying the responsibility for the accident.
Yuting Pu +3 more
doaj +2 more sources
Error Analysis and Correction of Voltage Sag Measurement for Capacitor Voltage Transformer
Zhongguo dianli, 2022 Voltage sag is one of the most prominent power quality problems in modern power grid. When monitoring voltage sag in a large range of high-voltage systems, the adverse effects caused by capacitor voltage transformer (CVT) with energy storage elements ...
Wen ZHOU +5 more
doaj +2 more sources
Voltage sag source location based on sag event amplitude information
Energy Reports, 2023 Voltage sag source location provides a solution to improve the operation and maintenance efficiency and resolve disputes between power supply and consumption.
Zhu Liu +5 more
doaj +2 more sources
IEEE Access, 2023 A fast charging station (FCS), which consists of eight fast and extreme chargers that operate individually and simultaneously, is considered in this research work. The FCS is supplied from the main grid as well as a Photovoltaic (PV) Farm that includes a
Sami M. Alshareef
doaj +2 more sources
Power conditioning using dynamic voltage restorers under different voltage sag types [PDF]
Journal of Advanced Research, 2016 Voltage sags can be symmetrical or unsymmetrical depending on the causes of the sag. At the present time, one of the most common procedures for mitigating voltage sags is by the use of dynamic voltage restorers (DVRs).
Ahmed M. Saeed +4 more
doaj +2 more sources