Results 1 to 10 of about 737,182 (294)
IEEE Access, 2021 Voltage sags and swells are significant issues of power quality. In order to alleviate voltage sags and swells on sensitive loads, a method is proposed to evaluate the bus and grid structure based on voltage sags/swells using voltage ellipse parameters ...
Li Ma +4 more
doaj +3 more sources
Impact of short-duration voltage variations on VSC-HVDC performance [PDF]
Scientific Reports, 2023 The growing load demand globally necessitates increasing the penetration of renewable energy sources into electrical grids as well as interconnecting grids from different countries and even continents through HVDC transmission systems.
Reem A. Mostafa +3 more
doaj +2 more sources
Power system security and protection considering the integration of new energy power plants [PDF]
Scientific ReportsPower quality disturbances (PQDs) pose significant challenges in modern energy power plants-based systems (MEPPBS), especially with the increasing integration of renewable energy sources (RESs) such as wind and solar photovoltaic (PV) systems.
Shengda Wang +4 more
doaj +2 more sources
Mitigation of Voltage Sags and Voltage Swells by Dynamic Voltage Restorer [PDF]
International Journal of Electrical and Power Engineering, 2011 Modern industrial processes are based on a large amount of electronic devices such as programmable logic controllers and adjustable speed drives. Unfortunately, electronic devices are sensitive to disturbances, and thus, industrial loads become less tolerant to power quality problems such as voltage sags, voltage swells, and harmonics.
D. Rajasekara, Subhransu Sekhar Das
openaire +2 more sources
Grid-Connected Rectifier Based Dynamic Voltage Restorer To Improve Power Quality By Compensating Voltage Sag And Swell [PDF]
E3S Web of Conferences, 2021 Voltage sag and voltage swell are frequently occurred power quality problems in present power distribution system, which are cause more problems to avoid these problems and maintain constant voltage at sensitive load during sag and swell Dynamic voltage ...
Thota Someshwara +3 more
doaj +1 more source
A Three Phase Voltage Restorer Based on Bipolar Direct AC/AC Converters
IEEE Access, 2023 A new topology is proposed to regulate voltage sags/swells in the distribution network in this paper. Voltage sags and swells are a serious power quality problem faced by the power industry.
Wang Yibo +6 more
doaj +1 more source
Effect of Unified Power Quality Conditioner on Voltage and Current Waveforms
Walailak Journal of Science and Technology, 2021 Power quality improvement faces different and significant problems due to voltage instability and the wide use of electronic power devices. To overcome these different power quality problems, an active power filter is used.
Muhammad Ossama MAHMOUD +2 more
doaj +3 more sources
Application of Dynamic Voltage Restorer for Sag and Swell in Voltage
International Journal for Research in Applied Science and Engineering Technology, 2022 Abstract: This paper figures out the problem of voltage sag and swell and overcome it. The most important aspect of electrical engineering is power quality in the current time. Power quality issues occur to the occurrence of substandard voltage, which may be current and frequency which may be damaged to power system equipment. One of the most important
Dr. C. S. Hiwarkar +3 more
openaire +1 more source
More stability and robustness with the multi-loop control solution for dynamic voltage restorer (DVR) [PDF]
Serbian Journal of Electrical Engineering, 2009 This paper presents the application of dynamic voltage restorers (DVR) on power distribution systems for mitigation of voltage sags/swells at critical loads. DVR is one of the compensating types of custom power devices.
Abdelkhalek Othmane +4 more
doaj +1 more source
Data, 2022 This paper proposes an easy-to-implement method for detecting and assessing two of the most frequent PQ (Power Quality) problems: voltage sags and swells. These can affect sensitive equipment such as computers, programmable logic controllers, contactors,
Javier Fernández-Morales +7 more
doaj +1 more source