[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.5370/JEET.2009.4.3.310

Voltage Stability Enhancement by Optimal Placement of UPFC

Kowsalya, M. (School of Electrical Sciences, Power Electronics and Drives Division, VIT University)
Ray, K.K. (School of Electrical Sciences, Power Electronics and Drives Division, VIT University)
Shipurkar, Udai (Under graduate Scholar, School of Electrical Sciences, VIT University)
Saranathan (Under graduate Scholar, School of Electrical Sciences, VIT University)

Publication Information

Journal of Electrical Engineering and Technology / v.4, no.3, 2009 , pp. 310-314 More about this Journal

Abstract

This paper presents the improvement of the voltage profiles of power system networks by the inclusion of Unified Power Flow Controller (UPFC). The mathematical model of the UPFC is incorporated in the load flow algorithm and the L-index is calculated for the different values of the control parameter r $and{\gamma}$ . The positioning of the UPFC device is changed to minimize the sum of the squares of the L-indices at all load buses. The test cases considered for the improvement of voltage profile with the WSCC 9-bus and IEEE 30 bus system. With the best position of UPFC along with the control parameters the improvement in voltage profile of the power system networks are obtained. The results obtained are quite encouraging compared with other techniques used to identify the best location of UPFC.

Keywords

Control parameters; FACTS; L-index; UPFC; Voltage stability;

Citations & Related Records

Times Cited By SCOPUS : 1

Reference
Cited By SCOPUS

1	A.Edris, A.S.Mehraban, M.Rahman, L.Gyugi,S.Arabi T.Reitman, 'Controlling the real and reactive power', IEEE Computer Applications on power, January, pp. 20-25,1998
2	Mohan Ned. 'Power Electronics: Converters, applications, and design' Tata Mc graw hill, 2005
3	Kundur P. 'Power system stability and control' New York: Mc Graw Hill; 1994
4	A.MeteVural, Mehmet Tumay, 'Mathematical Modelling and analysis of Unified controller: a comparison of two approaches in power flow studies and effect of UPFC location' Electrical power and Energy systems, 29. pp. 617-629, 2007 DOI ScienceOn
5	K.R.C.Mamundur, et al, 'Emergency Adjustments to VAR control Variables to alleviate over voltages, under voltages, and generator VAR limits' IEEE transactions on power systems
6	http://www.ee.washington.edu/research/pstca/pf30/ieee30cdf.txt
7	Narain G. Hingaroni and Laszlo Gyugi, Understanding Facts, Concepts and Technology of Flexible AC Transmission system, IEEE press, 2001
8	Kessel P and Glavitsch H., 'Estimating the voltage stability of a power system.' IEEE Trans. Power Systems, vol. PWRD-1, no.3, pp. 346-352, Feb. 1992
9	IEEE Power Engineering Society /CIGRE: 'FACTS Overview' IEEE Service center, Piscataway NJ, 1995, Special issue 95TP108
10	IEEE Power Engineering Society: 'FACTS Application' IEEE Service center, Piscataway NJ, 1996, Special issue 95TP116-0
11	Y.H.Song, A.Johns, Flexible AC Transmission Systems (FACTS), IEE, London, UK, 1999
12	J.Mutale, G.Strbac, Transmssion network and reinforcement versus FACTS: an economic assessment, IEEE Trans Power Systems, Vol 15, no 3, pp. 96-967, 2000