Benders' decomposition of the unit commitment problem with semidefinite relaxation of AC power flow constraints
M. Paredes,
L. S. A. Martins,
S. Soares
et al.
Abstract:In this paper we present a formulation of the unit commitment problem with AC power flow constraints. It is solved by a Benders' decomposition in which the unit commitment master problem is formulated as a mixed-integer problem with linearization of the power generation constraints for improved convergence. Semidefinite programming relaxation of the rectangular AC optimal power flow is used in the subproblem, providing somewhat conservative cuts. Numerical case studies, including a 6-bus and the IEEE 118-bus n… Show more
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