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A robust unit commitment algorithm for hydro-thermal optimization

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5 Author(s)
Li, C. ; Pacific Gas & Electr. Co., San Francisco, CA, USA ; Johnson, R.B. ; Svoboda, A.J. ; Chung-Li Tseng
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This paper presents a unit commitment algorithm which combines the Lagrangian relaxation (LR), sequential unit commitment (SUC), and optimal unit decommitment (UD) methods to solve a general hydro-thermal optimization (HTO) problem. The authors argue that this approach retains the advantages of the LR method while addressing the method's observed weaknesses to improve overall algorithm performance and quality of solution. The proposed approach has been implemented in a version of PG&E's HTO program, and test results are presented

Published in:

Power Industry Computer Applications., 1997. 20th International Conference on

Date of Conference:

11-16 May 1997