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Power Quality Improvement by Using DVR
Abstract- This project is about voltage sag and swell the 21st century the increasing demand of power has led to increasing complexity of load this rises the issue of power quality . power quality actually the quality of the voltage there are certain problems associated with power quality such voltage sag, swell, notch spike, transient etc .,so its necessary that power supply to load is stable and sinusoidal. Dynamic voltage restorer is such a device which is used to control voltage waveform and provide stable voltage output.
Index Terms-Dynamic Voltage Restorer ,Voltage source converters, voltage sag ,voltage swells.
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International Journal for Trends in Technology & Engineering © 2015 IJTET JOURNAL