TITLE

Comparison of Voltage Stability by Optimal Location of TCSC and SVC Using Loss Sensitivity Method Under Line Outages

AUTHOR(S)
Sridevi, J.; Amarnath, J.; Rao, G. Govinda
PUB. DATE
October 2011
SOURCE
International Review on Modelling & Simulations;Oct2011, Vol. 4 Issue 5, p2485
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
It is becoming increasingly important for power system planning and operating engineers to be capable of performing comprehensive voltage stability analyses of the systems. This need is largely due to the recent trends towards operating systems under stressed conditions—as a result of increasing system loads without sufficient transmission and/or generation enhancements. There have been many failures, due to voltage instability in power systems around the world. This paper is mainly concerned with optimal location of Thyristor Controlled Series Capacitor and Static VAr Compensator using loss sensitivity method for voltage stability improvement even at critical line outages contingency cases. The effectiveness of the proposed method has been tested on an IEEE 118 bus system and 62 bus Indian Utility System. The results show that the suggested method of Static VAr Compensator placement is effective than Thyristor Controlled Series Capacitor for voltage stability improvement during normal as well as critical contingency cases.
ACCESSION #
78004832

 

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