Mixed-Integer Nonlinear Programming Approach for Short-Term Hydro Scheduling

This paper is on the problem of short-term hydro scheduling, particularly concerning a head-sensitive hydro chain. A novel mixed-integer nonlinear programming approach is proposed for optimizing power generation efficiency. The proposed approach considers not only the nonlinear dependence between po...

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Bibliographic Details
Published in:Revista IEEE América Latina Vol. 8; no. 6; pp. 658 - 663
Main Authors: Catalao, J P S, Pousinho, H M I, Mendes, V M F
Format: Journal Article
Language:English
Published: Los Alamitos IEEE 01.12.2010
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Associate members
Chains
Computational modeling
Costs
Discharge
head change effect
Hydro scheduling
ISO
MATLAB
mixed-integer nonlinear programming
Nonlinear programming
Nonlinearity
Optimization
Power generation
Programming
Random access memory
Scheduling
ISSN:1548-0992, 1548-0992
Online Access:Get full text
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Summary:This paper is on the problem of short-term hydro scheduling, particularly concerning a head-sensitive hydro chain. A novel mixed-integer nonlinear programming approach is proposed for optimizing power generation efficiency. The proposed approach considers not only the nonlinear dependence between power generation, water discharge and head, but also start-up costs for the hydro units and discontinuous operating regions, in order to obtain more realistic and feasible results. Numerical results based on one of the main Portuguese cascaded hydro systems illustrate the proficiency of the proposed approach.
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ISSN:1548-0992
1548-0992
DOI:10.1109/TLA.2010.5688092