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Detecting Voltage Swell, Interruption and Sag
2018 19th International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM), 2018Quality control of electrical energy and timely detection of interference and distortion of supply voltage is a very important task. This is necessary both to find the source of distortion, and to compensate for distortion. In this review, we consider the problem of detecting random events: voltage swell, interruption, and voltage sag in the power ...
Vladimir A. Skolota, Gennady S. Zinovev
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Characteristics of Voltage Swell in Multigrounded Systems
IEEE Transactions on Power Delivery, 2007The effects of multigrounded neutral (MGN) in three-phase distribution systems are not easy to analyze due to the presence of a fourth conductor-the neutral and its multigrounded arrangement. As a result, the mechanism of voltage swell in MGN feeders becomes difficult to understand.
Janak Acharya, Wilsun Xu
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Mitigation of voltage sag and swell using dynamic voltage restorer
2014 Annual International Conference on Emerging Research Areas: Magnetics, Machines and Drives (AICERA/iCMMD), 2014The 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
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Voltage sag/swell compensation in an interline Dynamic Voltage Restorer
2011 International Conference on Emerging Trends in Electrical and Computer Technology, 2011The 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
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Extended Voltage Swell Ride-Through Capability for PWM Voltage-Source Rectifiers
IEEE Transactions on Industrial Electronics, 2002Voltage swells are one of the most harmful voltage disturbances for static power converters. A supply voltage increase may severely damage or trip converters, causing production and revenue losses. In the case of the PWM voltage source rectifier, a swell causes saturation of its control system, followed by a transition to 6-pulse operation that leaves ...
Rolando Burgos, Eduardo P. Wiechmann
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Voltage-Induced Swelling and Deswelling of Weak Polybase Brushes
Langmuir, 2011We have investigated a novel method of remotely switching the conformation of a weak polybase brush using an applied voltage. Surface-grafted polyelectrolyte brushes exhibit rich responsive behavior and show great promise as "smart surfaces", but existing switching methods involve physically or chemically changing the solution in contact with the brush.
Weir, MP +6 more
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Compensation of Voltage Swell by Using STATCOM
2018In power system, power quality is one of the important aspects as power quality problems are occurred due to occurrence of voltage swell, voltage sag, transient, harmonics distortion, etc. in the transmission line. Out of these, voltage swell has less predominantly occurred and creates severe impact on transmission line and sensitive devices connected
Singare, Abhijit R. +3 more
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Study on Compensation of Voltage Sag and Voltage Swell by Using DVR (Dynamic Voltage Restorer)
2018 International Conference on Current Trends towards Converging Technologies (ICCTCT), 2018Significant feature for electrical engineering is quality of power in modern days. Due to growing use of solid state, non-linear, power semiconductor switching devices power quality issues are formed. A power quality crisis refers to the problems that are cause by the increase of a non standard voltage or current or frequency.
Riddhi Pandya, FalRuni Bhavsar
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A Generalized Voltage Compensation Strategy for Mitigating the Impacts of Voltage Sags/Swells
IEEE Transactions on Power Delivery, 2005Dynamic restoration of load voltage achieved through the application of voltage-injection technique is considered. The injected voltage is generated from a voltage-source-inverter-based series compensator. It is shown that during a voltage sag, the restoration process almost inevitably requires the injection of energy from the compensator to the ...
S.S. Choi, J.D. Li, D.M. Vilathgamuwa
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Optimization of voltage sag/swell using dynamic voltage restorer (DVR)
2016 International Conference on Electrical, Electronics, and Optimization Techniques (ICEEOT), 2016The most interesting issue for electrical engineers is power quality/power quality improvement in modern era. Power quality is the most noticeable trouble for electrical engineering students. This problem occurs due to occurrence of substandard voltage, may be substandard current, and of frequency which contain harmonics which may damage to power ...
Ragini Saxena, Manorma Kushwah
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