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Coordinated control of FACTS devices based on optimal power flow

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2 Author(s)
Glanzmann, G. ; Power Syst. Lab., Swiss Fed. Inst. of Technol., Zurich, Switzerland ; Andersson, G.

Flexible AC transmission systems (FACTS) are an option to mitigate the problem of overloaded lines due to increased electric power transmission by controlling power flows and voltages. To avoid mutual influences among several devices placed in the same grid, a coordinated control is indispensable. In this paper, a supervisory controller based on optimal power flow (OPF) with multiple objectives is derived in order to avoid congestion, provide secure transmission and minimize active power losses. The contributions of SVC, TCSC and TCPST in this coordinated control and the achieved improvements compared with the case where no FACTS devices are in operation are demonstrated.

Published in:

Power Symposium, 2005. Proceedings of the 37th Annual North American

Date of Conference:

23-25 Oct. 2005