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A model for the economic analysis of cogeneration plants with fixed and variable output

Author

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  • Treleven, K.
  • Baughn, J.W.
  • McKillop, A.A.

Abstract

A method is presented for an economic sensitivity analysis of a cogeneration plant operating at off-design conditions. The economic parameters are the annual fixed costs, operating costs, fuel costs and the market value of the electrical power and capacity as paid by the local utility. The thermodynamic parameters are the required time-dependent steam energy rate [q̇s(θ)], the plant power-to-steam energy rate ratio (PSR), and the steam efficiency (ηs). The last two parameters are shown to be functionally related to q̇s (which may be constant or vary with time). A numerical example is given.

Suggested Citation

  • Treleven, K. & Baughn, J.W. & McKillop, A.A., 1983. "A model for the economic analysis of cogeneration plants with fixed and variable output," Energy, Elsevier, vol. 8(7), pages 547-552.
    • Handle: RePEc:eee:energy:v:8:y:1983:i:7:p:547-552
    DOI: 10.1016/0360-5442(83)90080-4
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