SS#11 A Data-Driven Approach to Evaluate Operating Cost of SCUC Problem

Abstract

This paper proposes an optimal estimation approach for the security-constrained unit commitment (SCUC) problem, which has the potential to be applied to some problems in the power system. A large number of numerical tests based on different systems show that the optimal operating cost of SCUC is not sensitive to the fluctuation of the injected power. The function between operating cost and the injected power can be obtained easily through using a simple data fitting method. Further tests show that the change in the power network topology will not have an excessive impact on the fitting effect, and the penetration rate of renewable energy is the main challenge. This conclusion can be used to quickly obtain the lower bound of the SCUC solution, and other actual scenarios that only focus on operating costs.