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Energy Conservation in The Gas Turbines of National Iranian Oil Company Considering Local Operational Conditions

Firouzmand, Vahid | 2011

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 42427 (46)
  4. University: Sharif University of Technology
  5. Department: Energy Engineering
  6. Advisor(s): Sattari, Sourena
  7. Abstract:
  8. Low effiencies of equipments and lack of forecasting heat integration in some oil regions are the reasons of primary energy losses in these regions. Also there have been difficulties in providing electric power demands in regions separate from the state electricity network which is a barrier in front of exploiting all the potentials of the region. This research introduces a model that can lead to selection of optimal configuration of equipments and units in order to establish a CCHP system that answers variable electric, heating and cooling demands ensuring a safe margin of power generation. The model simultaneously has the ability to select between existing and new installable equipments. Since power generation equipments have different efficiencies at different loads, mathematical relations have been developed so that they can consider these variable efficiencies. Gas turbines, back pressure steam turbines, absorption chiller, compression chiller and heat recovery steam generators are the sets of technologies considered in this model. Also in order to increase secure margin of power generation, gas turbine inlet air cooling in warm seasons has been considered in addition to other power generation units. Finally the mathematical definition of the model was presented in form of an MILP model and was utilized for a sample oil plant. Results of using the model for this case study show that raising the price of primary energy in calculations will cause selected technologies vary from a combination of GT inlet air cooling and absorption chiller to a combination of new installed gas turbines, gas engines, steam turbine, compression chiller and split coolers
  9. Keywords:
  10. Cogeneration ; Gas Turbines ; Optimal Energy Flow ; Mixed Integer Linear Programming ; Oil Region

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