Thermal-economic optimization of a distributed multi-generation energy system—A case study of Beijing

A simultaneous consideration of the thermodynamic, economic and emission criteria regarding both CO 2 and NO x emissions of a distributed combined heating, cooling and power generation (tri-generation) system in an urban residential area in Beijing has been realized through thermo-economic optimizat...

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Bibliographic Details
Published in:Applied thermal engineering 2006-05, Vol.26 (7), p.709-719
Main Authors: Li, Hongwei, Nalim, Razi, Haldi, P.-A.
Format: Article
Language:English
Subjects:
Applied sciences
Combined power plants
Distributed multi-generation
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Installations for energy generation and conversion: thermal and electrical energy
NPV
Thermal-economic optimization
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Summary:A simultaneous consideration of the thermodynamic, economic and emission criteria regarding both CO 2 and NO x emissions of a distributed combined heating, cooling and power generation (tri-generation) system in an urban residential area in Beijing has been realized through thermo-economic optimization. Technologies such as gas turbine, internal combustion engine, absorption chiller and gas boiler are considered as options of the plant optimum configuration. System Net Present Value (NPV) is taken as the objective to be maximized. The presented mixed integer and non-linear programming (MINLP) problem is solved by a Genetic Algorithms (GAs) optimizer. The optimal plant configurations are found with the consideration of system configuration, design and operation under different economic and environmental legislation contexts.
ISSN:1359-4311
DOI:10.1016/j.applthermaleng.2005.09.005