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Performance Simulation and Economic Evaluation of Tri-Generation Plant, Based on a Single Shaft Gas Turbine

[+] Author Affiliations
A. L. Polyzakis, A. K. Malkogianni

University of Western Macedonia, Kozani, Greece

A. Stamatis

University of Thessaly, Volos, Greece

D. Papadopoulos

University of Macedonia, Thessaloniki, Greece

Paper No. GT2009-59930, pp. 667-675; 9 pages
  • ASME Turbo Expo 2009: Power for Land, Sea, and Air
  • Volume 4: Cycle Innovations; Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine
  • Orlando, Florida, USA, June 8–12, 2009
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-4885-2 | eISBN: 978-0-7918-3849-5
  • Copyright © 2009 by ASME


This paper provides an intergraded realistic tool, which simulates the future operation (technical and economic) of a tri-generation plant, capable of helping the potential investor decide if it is profitable to proceed with the investment. The paper is based on an overall technical-economic analysis of the tri-generation system, including the following steps: Firstly, the data research concerning the energy demands of an actual case. The second part deals with the prime mover (namely the GT) modelling and simulation, including the Design Point (DP) and Off-Design (OD) performance analysis of the GT. The third part includes the simulation of the absorption cooling system alone and/or in co-operation with the prime mover. Finally, an evaluation methodology of tri-generation plants is introduced taking into account both technical facts and realistic economic data helping the potential users to decide whether it is profitable to use such technology or not. The economic scene will include the basic economic facts such as initial cost, handling and operational cost (fuel prices, maintenance etc), using methodology based on NPV. The results are valuated using suitable sensitivity analysis. The results of the analysis generally shown, that the tri-generation plant is more profitable than the conventional way of energy production.

Copyright © 2009 by ASME



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