Effect of UPFC on Voltage Stability Margin

This paper investigates the effect of unified power flow controller (UPFC) on voltage stability margin in a real power system. The original load flow Jacobian is modified incorporating the static model of an UPFC and the minimum singular values (MSV) of this Jacobian matrix are computed and compared...

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Bibliographische Detailangaben
Hauptverfasser:	Raju, J., Venkataramu, P.S.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Control systems Jacobian matrices Load flow Load flow control MSV Power system modeling Power system stability Power system transients Power systems Robust stability UPFC Voltage Collapse Voltage control
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Beschreibung
Zusammenfassung:	This paper investigates the effect of unified power flow controller (UPFC) on voltage stability margin in a real power system. The original load flow Jacobian is modified incorporating the static model of an UPFC and the minimum singular values (MSV) of this Jacobian matrix are computed and compared with that of MSVs of a non-UPFC system. The results of the case study carried out on a 22 bus, 400 kV South Indian real system is presented.
DOI:	10.1109/ICPST.2008.4745267