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A congestion line flow control in deregulated power system

Author(s): Venkatarajan Shanmuga Sundaram | Jayabarathi Thiyagarajan

Journal: Serbian Journal of Electrical Engineering
ISSN 1451-4869

Volume: 8;
Issue: 2;
Start page: 203;
Date: 2011;
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Keywords: deregulation | line-flow control | congestion management | line flow sensitivities

Under open access, market-driven transactions have become the new independent decision variables defining the behavior of the power system. The possibility of transmission lines getting over-loaded is relatively more under deregulated operation because different parts of the system are owned by separate companies and in part operated under varying service charges. This paper discusses a two-tier algorithm for correcting the lone overloads in conjunction with the conventional power-flow methods. The method uses line flow sensitivities, which are computed by the East Decoupled Power-flow algorithm and can be adapted for on-line implementation.
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