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- Title
Robust Optimization for Electricity Generation.
- Authors
Yang, Haoxiang; Morton, David P.; Bandi, Chaithanya; Dvijotham, Krishnamurthy
- Abstract
We consider a robust optimization problem in an electric power system under uncertain demand and availability of renewable energy resources. Solving the deterministic alternating current (AC) optimal power flow (ACOPF) problem has been considered challenging since the 1960s due to its nonconvexity. Linear approximation of the AC power flow system sees pervasive use, but does not guarantee a physically feasible system configuration. In recent years, various convex relaxation schemes for the ACOPF problem have been investigated, and under some assumptions, a physically feasible solution can be recovered. Based on these convex relaxations, we construct a robust convex optimization problem with recourse to solve for optimal controllable injections (fossil fuel, nuclear, etc.) in electric power systems under uncertainty (renewable energy generation, demand fluctuation, etc.). We propose a cutting-plane method to solve this robust optimization problem, and we establish convergence and other desirable properties. Experimental results indicate that our robust convex relaxation of the ACOPF problem can provide a tight lower bound.
- Subjects
ROBUST optimization; ELECTRIC power production; ELECTRIC power systems; RENEWABLE energy sources; FOSSIL fuels
- Publication
INFORMS Journal on Computing, 2021, Vol 33, Issue 1, p336
- ISSN
1091-9856
- Publication type
Article
- DOI
10.1287/ijoc.2020.0956