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Table 1 Overview of the analyzed flexibility modeling approaches

From: Choosing the right model for unified flexibility modeling

Modeling approach Authors Context Modeling method Shape of flexibility
Flexibility Trinity Ulbig and Andersson (2012) Operational flexibility in modern energy systems Power node balancing Maximal feasible power regulation from scheduled operation point
Multienergy Node Chicco et al. (2020) Distributed multienergy systems Matrix-based Multienergy Node balancing Set of feasible deviations from scheduled operation point
Support Vector Data Description Bremer and Sonnenschein (2014) Evolutionary search methods in energy management Meta-modeling of feasible operation regions in constrained optimization problems through a support vector decoder Multidimensional search spaces containing all feasible operation plans
OpenTUMFlex Zadé et al. (2020) Provision of ancillary services through aggregation of distributed small-scale devices Flexibility calculation based on available compensation processes in previously optimized operation plans Flexibility offers consisting of feasible power deviations from an optimal schedule for a defined timespan
FlexOffer Šikšnys et al. (2019) Cellular energy systems Device specific algorithms that allow a stepwise calculation of FlexOffers FlexOffers: Power variable processes that can be postponed