Risk-sensitive security-constrained economic dispatch via critical region exploration
Madavan, Avinash N.
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https://hdl.handle.net/2142/102862
Description
Title
Risk-sensitive security-constrained economic dispatch via critical region exploration
Author(s)
Madavan, Avinash N.
Issue Date
2018-12-12
Director of Research (if dissertation) or Advisor (if thesis)
Bose, Subhonmesh
Department of Study
Electrical & Computer Eng
Discipline
Electrical & Computer Engr
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
M.S.
Degree Level
Thesis
Keyword(s)
security-constrained economic dispatch
risk-sensitive
Abstract
A security-constrained economic dispatch (SCED) problem is regularly solved by system operators in electric power networks to make day-ahead and real-time dispatch decisions. Preventive SCED is conservative and requires dispatch decisions that are secure against any single component failure. Corrective (recourse) actions can significantly reduce operational costs. Even with linear power flow models, corrective SCED poses significant computational challenges owing to an increase in the dimensionality arising from additional recourse decisions and the number of contingencies to guard against. This thesis analyzes the benefits of allowing recourse actions for simple networks and tackles the computational challenges of solving the problem at scale through a decomposition of the problem via a critical region exploration technique that exploits the problem structure using properties of multi-parametric linear programming. This thesis concludes with numerical results on various IEEE test networks.
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