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A unified optimization approach for the enhancement of Available Transfer Capability and Congestion Management using unified power flow controller

Author(s): Ramasubramanian Jayashree | Khan Abdullah Mohammed

Journal: Serbian Journal of Electrical Engineering
ISSN 1451-4869

Volume: 5;
Issue: 2;
Start page: 305;
Date: 2008;
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Keywords: available transfer capability | congestion management | unified power flow controller

This paper proposes a unified optimization model and algorithm for assessing Available Transfer Capability (ATC) and carrying out Congestion Management (CM) in a Deregulated power system handling both pool and bilateral transactions. It uses a power injection model for Unified Power Flow Controller (UPFC), DC load flow model for power network and repeated linear programming technique for optimization. The DC model enforces the line operating lines in MW. A computer package has been developed and the effectiveness of the proposed unified method has been verified by solving 4 bus and an IEEE 30 bus systems. The results demonstrate the effectiveness of UPFC control on ATC enhancement and Congestion Management.
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