連系線による電力および調整力の融通を考慮した確率的起動停止計画

抄録

In Japan, the capacity of renewable energy sources is increasing rapidly. Therefore, more reserves are required than in the past, and sometimes the output of renewable generation is curtailed. One of the ways to use renewable generation effectively is to exchange power and reserve through tie lines. In this study, we developed the stochastic unit commitment model which considers the exchange of power and reserve through tie lines. The model considers the spatial correlations of prediction errors in the two regions. Several cases were simulated, and as a result, the composition of reserves for the imbalance changed when both power and reserve were exchanged through tie lines. Besides, the amount of exchanged reserve increased when the spatial correlations were taken into account. This study would contribute to further studies on the wide-area operation of the power system with many renewable energy sources.