Title :
A comparative study of stochastic unit commitment and security-constrained unit commitment using high performance computing
Author :
Papavasiliou, Anthony ; Oren, Shmuel S.
Author_Institution :
Catholic Univ. of Louvain, Louvain, Belgium
Abstract :
The large-scale integration of renewable resources has recently raised interest in systematic methods for committing locational reserves in order to secure the system against contingencies and the unpredictable and highly variable fluctuation of renewable energy supply, while accounting for power flow constraints imposed by the transmission network. In this paper we compare two approaches for committing locational reserves: stochastic unit commitment and a hybrid approach of scenario-based security-constrained commitment. Parallel algorithms are developed for solving the resulting models, based on Lagrangian relaxation and Benders decomposition. The proposed algorithms are implemented in a high performance computing environment and the performance of the resulting policies is tested against a reduced model of the California ISO interconnected with the Western Electricity Coordinating Council.
Keywords :
parallel processing; power engineering computing; renewable energy sources; security of data; transmission networks; Benders decomposition; California ISO; Lagrangian relaxation; high performance computing; hybrid approach; large-scale integration; locational reserves; parallel algorithms; power flow constraints; renewable energy supply; renewable resources; scenario-based security-constrained commitment; security-constrained unit commitment; stochastic unit commitment; transmission network; western electricity coordinating council; Biological system modeling; Computational modeling; Generators; Load modeling; Production; Stochastic processes; Uncertainty;
Conference_Titel :
Control Conference (ECC), 2013 European
Conference_Location :
Zurich