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TECHNICAL PAPERS: Gas Turbines: Industrial and Cogeneration

Robust Optimal Design in Multistage Expansion of a Gas Turbine Cogeneration Plant Under Uncertain Energy Demands

[+] Author and Article Information
Ryohei Yokoyama

Mem. ASME   e-mail: yokoyama@ese.energy.osakafu-u.ac.jp

Koichi Ito

Department of Energy Systems Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Sakai, Osaka 599-8531, Japan  

Tatsuhiro Murata

Generator Systems Division, Hitachi, Ltd.

J. Eng. Gas Turbines Power 126(4), 823-830 (Nov 24, 2004) (8 pages) doi:10.1115/1.1771688 History: Received October 01, 2002; Revised March 01, 2003; Online November 24, 2004
Copyright © 2004 by ASME
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References

Figures

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Concept of multistage expansion planning of energy supply plant
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Configuration of gas turbine cogeneration plant
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Sequential relationships among design variables, uncertain parameters, and operation variables
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Averages and uncertainty of energy demands (αm=0.2)
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Relationships between uncertainty in energy demands and optimal equipment capacities (α12); (a) L1=5 y,L2=10 y, (b) L1=10 y,L2=5 y
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Relationships between number of years for 1st expansion period and optimal equipment capacities (α12=0.4); (a) 1st expansion period, (b) 2nd expansion period
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Relationship between number of years for 1st expansion period and maximum regret in annual total cost (α12=0.4)
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Relationships between uncertainty in energy demands and optimal equipment capacities (L1=5 y,L2=10 y); (a) 1st expansion period, (b) 2nd expansion period
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Relationship between uncertainty in energy demands and minimum of maximum regret in annual total cost (L1=5 y,L2=10 y)

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