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ENHANCEMENT OF VOLTAGE STABILITY USING BY UPFC
J. NIRMAL KUMAR,  Dr. G. MURUGANANDAM
Owing to increase in power demand, many instability problems are experienced by power system in every year. Voltage stability is one of the main problems in power systems that must be treated using suitable mitigation techniques. Under heavy load conditions due to insufficient reactive power causes the voltage drop and under lightly loaded condition due to surplus amount of reactive power causes voltage rise, finally it leads to voltage instability. The enhancement of voltage stability in transmission line is done by Unified Power Flow Controller. In this project voltage stability improvement using UPFC is analyzed. Voltage stability improvement is shown and analyzed using MATLAB/ Simulink.
Keywords- Unified Power Flow Controller (UPFC); Flexible AC Transmission System (FACTS); proportional-integral-derivative controller (PID controller); Static Compensator (STATCOM).
Unique Identification Number - IJEDR1702078Page Number(s) - 451-457Pubished in - Volume 5 | Issue 2 | April 2017DOI (Digital Object Identifier) -    Publisher - IJEDR (ISSN - 2321-9939)
Cite this Article
J. NIRMAL KUMAR,  Dr. G. MURUGANANDAM,   "ENHANCEMENT OF VOLTAGE STABILITY USING BY UPFC"
, International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.5, Issue 2, pp.451-457, April 2017, Available at :http://www.ijedr.org/papers/IJEDR1702078.pdf