Results 41 to 50 of about 7,084 (263)
Analysis of Voltage Sag Due to Short Circuit on the Sub System in Central Sumatera
International Journal of Electrical, Energy and Power System Engineering, 2018 Power quality is closely related to electrical energy which is directly related to voltage and current interference. Electrical equipment used daily requires good power quality. The thing that affects the quality of the power is the voltage dip. Based on
Hamzah Eteruddin +2 more
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Design and Control of Modular Multilevel Converter for Voltage Sag Mitigation
Energies, 2022 Voltage sag in a power system is an unavoidable power quality issue, and it is also an urgent concern of sensitive industrial users. To ensure the power quality demand and economical operation of the power system, voltage sag management has always drawn ...
Fazal Muhammad +4 more
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Sensitivity of Low-Voltage Variable-Frequency Devices to Voltage Sags
IEEE Access, 2019 Variable frequency drives (VFDs) are the types of power electronic device commonly used to drive motors with a wide range of industrial and practical applications, especially in power systems.
Yonghai Xu +4 more
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Zhongguo dianli, 2020 For realizing marketization of voltage sag governance, two major problems need to be solved: lowering the investment cost and reasonably setting the service fee.
Bo ZHANG +5 more
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Microstructure Evolution of a VMnFeCoNi High‐Entropy Alloy After Synthesis, Swaging, and Annealing
Advanced Engineering Materials, EarlyView.The synthesis and processing (rotary swaging and annealing) of the novel VMnFeCoNi alloy is investigated, alongside the estimation of the grain size effect on hardness. Analysis of a wide grain size range of recrystallized microstructures (12–210 µm) reveals a low annealing twin density.
Aditya Srinivasan Tirunilai +6 more
wiley +1 more source
IEEE Access, 2022 As production and life require more and more high-end and precise power equipment, high-quality electrical energy becomes the basis for the operation of these equipment. The impact of voltage sags on these devices has also increased.
Yingjie He +5 more
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Advanced Engineering Materials, EarlyView.This review comprehensively evaluates extrusion‐based additive manufacturing for advanced ceramics, detailing feedstock options and key process parameters. By critically addressing defect mechanisms like porosity and cracking, the work highlights optimization strategies through machine learning and advanced postprocessing.
Meisam Bakhtiari +4 more
wiley +1 more source
International Journal of Electrical Power & Energy SystemsVoltage sags often disrupt the normal functioning of sensitive equipment and distributed generators (DGs), making voltage sag mitigation based on corresponding assessments crucial. Voltage sag characteristics, including voltage magnitude and sag duration,
Xian-yong Xiao +3 more
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Measurement + Control, 2020 The voltage sag problem in a power grid can be solved by a voltage regulator. In this study, the voltage regulator based on thyristor was used to compensate the single-phase and three-phase voltage of voltage sag fault, so as to recover the normal level ...
Zonglu Zhang
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A comprehensive evaluation method of DC voltage sag in medium–low voltage DC distribution system
Energy Reports, 2022 The development of the DC distribution system (DCDS) has attracted increasing attention, due to its technological superiorities in integrating new energy sources and DC power loads more friendly and effectively.
Zhenqiang Li +5 more
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