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2012 (Vol. 4, Issue: 03)
Article Information:

Analyzing of Dynamic Voltage Restorer in Series Compensation Voltage

Navid Khorrami
Corresponding Author:  Navid Khorrami 

Key words:  Dynamic Voltage Restorer (DVR), facts device, power quality, voltage sags, , ,
Vol. 4 , (03): 159-164
Submitted Accepted Published
2011 August, 01 2011 September, 05 2012 February, 01

The Dynamic Voltage Restorer (DVR) is a series-connected compensator to generate a controllable voltage to against the short-term voltage disturbances. The technique of DVR is an effective and cost competitive approach to improve voltage quality at the load side. This study presents a single-phase and threephase DVR system with reduced switch-count topology to protect the sensitive load against abnormal voltage conditions. Most basic function, the DVR configuration consist of a two level Voltage Source Converter (VSC), a dc energy storage device, a coupling transformer Connected in shunt with the ac system This study presents the application of Dynamic Voltage Restorer (DVR) on power distribution systems for mitigation of voltage sag at critical loads. DVR is one of the compensating types of custom power devices. The DVR, which is based on forced-commutated Voltage Source Converter (VSC) has been proved suitable for the task of compensating voltage sags/swells. Simulation results are presented to illustrate and understand the performances of DVR in supporting load voltages under voltage sags/swells conditions.
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  Cite this Reference:
Navid Khorrami, 2012. Analyzing of Dynamic Voltage Restorer in Series Compensation Voltage.  Research Journal of Applied Sciences, Engineering and Technology, 4(03): 159-164.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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