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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 ...
Liangyu Tang +4 more
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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
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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
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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
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Energy Reports, 2022 Voltage sag is an important problem that causes power quality degradation, and the premise of solving the problem of voltage sag is to detect the depth of voltage sag accurately and quickly. Based on the past research on voltage sag detection, this paper
Ziming Wang +4 more
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Automatic Expansion of Voltage Signals Using Empirical Mode Decomposition for Voltage Sag Detection
IEEE Access, 2022 Voltage sag is one of the most harmful power quality issues. In practical engineering, harmonic and noise interference problems will bring big challenges to the analysis of voltage signals.
Heyang Li, Chao Meng, Yingru Zhao
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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 +7 more
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Energies, 2022 Voltage sag detection is utilized to capture the sag occurrence moment and calculate the sag depth of power grid voltage in real time, so as to generate reference voltage for controlling voltage interactive equipment such as dynamic voltage restorers ...
Zhenyu Li +4 more
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Mathematics, 2022 One of the common power quality (PQ) problems in transmission and distribution systems is the voltage sag that affects the sensitive loads. Losses and problems caused by the voltage sag in the power system can be reduced by correctly determining the ...
Yunus Yalman +6 more
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Energies, 2021 Considering the influence of user equipment voltage tolerance characteristics and sag types on the evaluation results, this paper proposes a voltage sag severity evaluation method for the system side which considers the influence of the voltage tolerance
Yonghai Xu +3 more
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