A Tight MIP Formulation of the Unit Commitment Problemwith Start-up and Shut-down Constraints
(English)Manuscript (preprint) (Other academic)
This paper provides the convex hull description for the following basic operating con-straints of a single thermal generation unit in Unit Commitment (UC) problems: 1)generation limits, 2) startup and shutdown capabilities, and 3) minimum up and downtimes. Although the model does not consider some crucial constraints, such as ramping,the proposed constraints can be used as the core of any UC formulation, thus tighteningthe ﬁnal UC model. We provide evidence that dramatic improvements in computationaltime are obtained by solving a self-UC problem for diﬀerent case studies.
Unit Commitment (UC), Mixed-Integer Programming (MIP), Facet/Convex hull description.
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject Electrical Engineering; Mathematics
IdentifiersURN: urn:nbn:se:kth:diva-151832OAI: oai:DiVA.org:kth-151832DiVA: diva2:748951
QS 20142014-09-222014-09-222014-09-23Bibliographically approved