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Voltage Sag Compensation of Induction Motor with 6 Pulse VSI based DVR
2019 International Conference on Smart Systems and Inventive Technology (ICSSIT), 2019Now a day, Voltage sag problem in power system is important phenomenon. Basically voltage sag problem occurred where induction motors are used. Generally, in industries this phenomenon occurred most of the time due to motor loads. The aim therefore is to
Mohan P. Thakre +2 more
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Tutorial on voltage sag analysis
Ninth International Conference on Harmonics and Quality of Power. Proceedings (Cat. No.00EX441), 2002Voltage sags are known as a serious problem causing mal-operation of equipment like computers, process controllers and adjustable-speed drives. In this tutorial various analysis techniques for voltage sags are introduced: characterization of individual sags from measurements as well as from theoretical calculations; stochastic assessment (prediction ...
M.H.J. Bollen, E. Styvaktakis
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Electric power systems research, 2019
The fault distribution has a great influence on the stochastic assessment of voltage sag frequency. Due to bad weather, tree branches and animal contact, it is difficult to predict the position of short-circuit fault, so the position of fault is ...
Ying Wang, Hao Luo, Xianyong Xiao
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The fault distribution has a great influence on the stochastic assessment of voltage sag frequency. Due to bad weather, tree branches and animal contact, it is difficult to predict the position of short-circuit fault, so the position of fault is ...
Ying Wang, Hao Luo, Xianyong Xiao
semanticscholar +1 more source
Voltage sag: Malaysian's experience
POWERCON '98. 1998 International Conference on Power System Technology. Proceedings (Cat. No.98EX151), 2002Voltage sag is one of the major components of power quality of an electric power system. In Malaysia, transmission system's disturbance becomes a dominant source. Voltage sag affects every customer, however, industrial customers are the most affected.
B. Sawir +5 more
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Overview of voltage sag mitigation
2000 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.00CH37077), 2002This paper gives an overview of methods used in the mitigation of voltage sags. Different solutions for improving the performance of the power system, as well as the immunity of the equipment, are described. Finally, mitigation devices to be installed at the system-load interface for power quality enhancement are presented.
A. Sannino, M.G. Miller, M.H.J. Bollen
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Voltage sags in industrial systems
Conference Record. Industrial and Commercial Power Systems Technical Conference 1991, 1993A description is given of the causes of voltage sags in industrial plants, their impact on equipment operation, and possible solutions. The definition proposed focuses on system faults as the major cause of voltage sags. The sensitivity of different types of industrial equipment, including adjustable speed drive controls, programmable logic controllers,
M.F. McGranaghan +2 more
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IET Generation, Transmission & Distribution, 2019
The sensitivity of AC contactor (ACC) to voltage sag leads to unnecessary tripping of the motors, resulting in huge economic losses to users. The purpose of this study is to reveal the response mechanism of ACC's behaviour to multi-dimensional voltage ...
Xianyong Xiao, Hanyang He, Ying Wang
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The sensitivity of AC contactor (ACC) to voltage sag leads to unnecessary tripping of the motors, resulting in huge economic losses to users. The purpose of this study is to reveal the response mechanism of ACC's behaviour to multi-dimensional voltage ...
Xianyong Xiao, Hanyang He, Ying Wang
semanticscholar +1 more source
IEEE transactions on power electronics, 2018
This paper presents a two degrees of freedom (2DOF) control scheme for voltage compensation in a dynamic voltage restorer (DVR). It commences with the model of the DVR power circuit, which is the starting point for the control design procedure.
A. Torres +2 more
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This paper presents a two degrees of freedom (2DOF) control scheme for voltage compensation in a dynamic voltage restorer (DVR). It commences with the model of the DVR power circuit, which is the starting point for the control design procedure.
A. Torres +2 more
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Fault Classification and Voltage Sag Parameter Computation Using Voltage Ellipses
IEEE transactions on industry applications, 2018Fault classification and voltage sag parameter computation using voltage ellipses in Clarke's domain are presented in this paper. The voltage sag parameters computed were the point-on-wave of initiation and recovery, residual voltage, and phase-angle ...
J. Camarillo-Peñaranda, G. Ramos
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Enhancement of Power System Quality Using PI Control Technique with DVR for Mitigation Voltage Sag
International Middle East Power Systems Conference, 2018The performance of the power system quality is directly affecting by the voltage sag condition in the power system. Voltage sag is directly affecting on the sensitive-voltage loads, that leads to complete shutdown or generates a large inrush current ...
Ali Mohamed Eltamaly +3 more
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