Abstract

AbstractReasonable scheduling flexible resources play an important role in the reliable operation of high proportion renewables energy power systems. However, how to determine the system operation decision respecting the system security constraints and flexibility demand is still an open problem. In this chapter, the concept of wind power accommodation domain (ADWP) is proposed in Sect. 3.2 as a metric for quantifying flexibility demand and an operational guideline, and a flexible look-ahead unit commitment (LAUC) model is established. In Sect. 3.3, a two-level decision model of day-ahead generation-reserve considering flexibility demand is proposed, and the quantitative relationship between operation reserve and flexibility is established through the general generation function method. In Sect. 3.4, an improved endogenous reserve determination method is proposed. A variety of uncertainties are integrated into the security and network constrained economic scheduling model and solved iteratively with the help of Benders Decomposition. In Sect. 3.5, IEEE-30 bus, and IEEE-118 bus systems are taken as case studies to verify the effectiveness of proposed models.

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