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About voltage sags and swells analysis

10th International Conference on Harmonics and Quality of Power. Proceedings (Cat. No.02EX630), 2004
Time at level analysis of discrete events is proposed to characterize voltage sags and swells instead of the simple magnitude vs duration characteristics presently used. Although requiring a little more computer memory and digital processing, the proposed methodology constitutes a significant improvement for the characterization of unpredictable ...
S.M. Deckmann, A.A. Ferrira
openaire   +1 more source

A DC Voltage Swell Compensator Based on SMES Emulator and Lead-Acid Battery

IEEE transactions on applied superconductivity, 2019
The fast-response feature from a superconducting magnetic energy storage (SMES) device is favored for suppressing instantaneous voltage and power fluctuations, while the low-cost feature from a conventional battery energy storage (BES) device suits to ...
Tao Li   +5 more
semanticscholar   +1 more source

Alleviation of Voltage Sag-Swell by DVR Based on SVPWM Technique

2020 International Conference on Power, Energy, Control and Transmission Systems (ICPECTS), 2020
Now a day, Electricity consumer demands reliable and qualitative power supply from distribution utilities due to increased use of nonlinear loads. These nonlinear loads cause power quality disturbances. In industrial plants many electrical and electronic
Mohan P. Thakre, Nishant P. Matale
semanticscholar   +1 more source

Simulation of advanced STATCOM for voltage swell mitigation in large-scale test system based on swarm intelligence algorithms

European Journal of Electrical Engineering, 2018
Advanced Flexible AC Transmission System is introduced in this article as a new influential technique that is applied to compensate many magnitudes of voltage swells, which is not dealt with in any research prior.
Yasser Mamdouh Aboelazm   +2 more
semanticscholar   +1 more source

Voltage sag/swell compensation in an interline Dynamic Voltage Restorer

2011 International Conference on Emerging Trends in Electrical and Computer Technology, 2011
The Dynamic Voltage Restorer (DVR) provides an advanced and economical solution for both voltage sag and swell problems. The voltage-restoration process involves real-power injection into the distribution system. The Interline DVR (IDVR) proposed in this paper provides a way to compensate the voltage deviation caused in a feeder.
Rani P. Usha, R. Sudha, S. Rama Reddy
openaire   +1 more source

Mitigation of voltage sag and swell using dynamic voltage restorer

2014 Annual International Conference on Emerging Research Areas: Magnetics, Machines and Drives (AICERA/iCMMD), 2014
The fast developments in power electronic technology have made it possible to mitigate voltage disturbances in power system. Among the voltage disturbances challenging the industry, the voltage sags are considered the most important problem to the sensitive loads.
Deepa Francis, Tomson Thomas
openaire   +1 more source

Simulation and Analysis of the Use of Dynamic Voltage Resoster (DVR) on the Power Line Against the Effect of Voltage Sag and Voltage Swell

International Conference on Electrical Engineering and Informatics
One of the problems in the power system that is important to pay attention to is the quality of electrical power given the large use of non-linear electronic loads.
Batara Mangaraja Tohap Lipon Simbolon   +1 more
semanticscholar   +1 more source

A new reliable Single-Stage Single-Phase Ac-Ac Converter based Dynamic Voltage Restorer for Voltage Sag/Swell compensation

2020 3rd International Conference on Computing, Mathematics and Engineering Technologies (iCoMET), 2020
This paper address the numerous issues associated to power quality. The distribution systems are experiencing significant power quality problems including voltage dip, voltage surge, harmonics and poor voltage regulation.
Shabab Zahra   +4 more
semanticscholar   +1 more source

Voltage Dips and Swells in Low Voltage Networks of Estonia

2018 IEEE 59th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON), 2018
This paper is focused on power quality, particularly on voltage dips (sags) and swells in low voltage (LV) networks of Estonia. Measurements were carried out along with analysis of dips and swells and the results are presented in this paper. The origin of voltage dips and swells is discussed, also magnitude, duration and density of dips is analysed ...
Toomas Vinnal   +2 more
openaire   +1 more source

Dynamic Improvement of a UPQC System Operating Under Grid Voltage Sag/Swell Disturbances

IEEE Transactions on Circuits and Systems - II - Express Briefs
This brief proposes feed-forward control loops that accelerate the dynamic responses of both the dc-bus voltage and the compensated grid/input currents of a three-phase unified power quality conditioner (UPQC) under the occurrence of voltage sags/swells.
S. A. O. Silva   +3 more
semanticscholar   +1 more source

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