A stochastic model for the unit commitment problem

The authors develop a model and a solution technique for the problem of generating electric power when demands are not certain. They also provide techniques for improving the current methods used in solving the traditional unit commitment problem. The solution strategy can be run in parallel due to...

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Bibliographic Details
Published in:IEEE transactions on power systems 1996-08, Vol.11 (3), p.1497-1508
Main Authors: Takriti, S., Birge, J.R., Long, E.
Format: Article
Language:English
Subjects:
Cost function
Dynamic programming
Lagrangian functions
Optimal scheduling
Power engineering and energy
Power generation
Power system dynamics
Power system modeling
Stochastic processes
Stochastic systems
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Summary:The authors develop a model and a solution technique for the problem of generating electric power when demands are not certain. They also provide techniques for improving the current methods used in solving the traditional unit commitment problem. The solution strategy can be run in parallel due to the separable nature of the relaxation used. Numerical results indicate significant savings in the cost of operating power generating systems when the stochastic model is used instead of the deterministic model.
ISSN:0885-8950
1558-0679
DOI:10.1109/59.535691