Results 201 to 210 of about 2,109 (236)

Fast and precise voltage sag detection method for dynamic voltage restorer (DVR) application

Electric Power Systems Research, 2016
Abstract Voltage sag detection method has a significant impact on the performance of dynamic voltage restorer (DVR). This paper proposes a fundamental voltage amplitude detection method which is applicable in both single/three-phase systems for DVR applications. Advantages of the proposed method include application in distorted power grid without any
A. Khoshkbar Sadigh, K.M. Smedley
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Implementation of a control strategy for dynamic voltage restorer(DVR) and dynamic voltage compensator(DVC)

2009 IEEE/PES Power Systems Conference and Exposition, 2009
Power quality has always been important for customers, but with increasing applications of electronic loads and controllers sensitive to the power quality, the subject has attracted renewed interest in recent times. Power quality encompasses several aspects.
Ahad. Kazemi, Ali. Azhdast
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Power quality improvement in low voltage distribution system using Dynamic Voltage Restorer (DVR)

2010 5th IEEE Conference on Industrial Electronics and Applications, 2010
This paper discusses the mitigation of power quality disturbance in low voltage distribution system due to voltage swells using one of the powerful power custom devices namely Dynamic Voltage Restorer (DVR). The DVR normally installed between the source voltage and critical or sensitive load.
null Rosli Omar, N.A Rahim
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A waveform synthesis technique for voltage sag compensation using dynamic voltage restorer (DVR)

2006 IEEE Power Engineering Society General Meeting, 2006
This paper presents the development of a novel waveform synthesis technique for effective voltage sag compensation for multilevel inverter based dynamic voltage restorer (DVR). An effective control algorithm for calculation of reference compensating voltages based on PQR power theory together with space vector modulation (SVM) technique is implemented ...
V. Immanuel, G. Yankanchi
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A robust control algorithm for self supported dynamic voltage restorer (DVR)

India International Conference on Power Electronics 2010 (IICPE2010), 2011
The protection to the sensitive loads from voltage sags, swells and harmonics can be achieved using the dynamic voltage restorer (DVR) in a cost effective manner. In this paper, a new control algorithm based on unit templates and instantaneous symmetrical component theory along with complex Fourier series is used for the generation of reference ...
Parag Kanjiya, Bhim Singh, P. Jayaprakash   +2 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), 2018
Significant 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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Dynamic Voltage Restorer(DVR) with a Z-Source AC Converter Topology

Journal of the Korean Institute of Illuminating and Electrical Installation Engineers, 2010
This paper proposes a new type of voltage sag-swell compensator based on a Z-source AC-AC converter. The proposed topology employs a pulse width modulation (PWM) Z-source AC-AC converter along with a injection transformer. A safe commutation strategy is used to eliminate voltage spikes on switches without snubber circuit. During a voltage sag or swell,
Young-Cheol Lim, Young-Gook Jung
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Simulation of dynamic voltage restorer (DVR) to mitigate voltage sag during three-phase fault

2016 International Conference on Electrical Power and Energy Systems (ICEPES), 2016
Power quality in distribution system is one of the chief concerns in the modern industrial and commercial applications. Power quality problem is an occurrence manifested as a non-standard voltage, current or frequency that results in a failure of end user equipments.
Rakeshwri Pal, Sushma Gupta
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MODELLING AND SIMULATION FOR VOLTAGE SAGS/SWELLS MITIGATION USING DYNAMIC VOLTAGE RESTORER (DVR)

2022
Quality of supply plays a major role in power system. There are various power quality problems which affects operation of sensitive loads. As technology is improved there are many devices whose performance is sensitive to the power quality of supply.
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A novel technique for mitigation of voltage sag/swell by Dynamic Voltage Restorer (DVR)

2010 IEEE International Conference on Electro/Information Technology, 2010
This paper deals with modeling and simulation technique of a Dynamic Voltage Restore (DVR). The DVR is a dynamic solution for protection of critical loads from voltage sags / swells. The DVR restores constant load voltage and voltage wave form by injecting an appropriate voltage.
R. A. Kantaria, S. K. Joshi, K. R. Siddhapura   +2 more
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