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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