A new approach to optimizing energy systems

Flow-sheet programs used for the design of power plants become more meaningful with use of optimization possibilities. As the power plant is considered to be a black-box for an optimization routine, many evaluations of the plant efficiency, as a function of the chosen parameter (or parameters), have...

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Bibliographic Details
Published in:Computer methods in applied mechanics and engineering 2001-07, Vol.190 (40), p.5297-5310
Main Authors: van der Lee, Patrick E.A, Terlaky, Tamás, Woudstra, Theo
Format: Article
Language:English
Subjects:
Applied sciences
Combined cycle
Combined power plants
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Flow-sheets
Installations for energy generation and conversion: thermal and electrical energy
Optimization
Power plants
Steam cycle
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Summary:Flow-sheet programs used for the design of power plants become more meaningful with use of optimization possibilities. As the power plant is considered to be a black-box for an optimization routine, many evaluations of the plant efficiency, as a function of the chosen parameter (or parameters), have to be considered. As optima are often in a flat part of the efficiency curve, as a function of the parameters, a disturbance in the calculation might lead to no found optimum at all for the optimization routine. Two calculation routines are compared to operate with the program Cycle-Tempo: a Quasi-Newton and a Derivative Free optimization routine. From these two the latter experienced to be the most stable, although the former can be improved compared to the way it is in use now.
ISSN:0045-7825
1879-2138
DOI:10.1016/S0045-7825(01)00162-1