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Concepts on dynamic reference state, acceptable performance tests, and the equalized reconciliation method as a strategy for a reliable on-line thermoeconomic monitoring and diagnosis

Author

Listed:
  • Zaleta, Alejandro
  • Chavez, J.Paulo
  • Pacheco, J.Jesus
  • Santos, Adrian
  • Campos, Alfonso
  • Gallegos, Armando

Abstract

The thermoeconomic diagnosis in operating power plants is more and more being demanded by the users of the same ones. Nevertheless, in spite of the efforts to unify the techniques or tactics of diagnosis, it seemed that we are even far from standardizing the analytical procedures to do it. Recently, a series of papers have been considered to compare different ways to solve a concrete problem to diagnose a power plants TADEUS part 1–7. In this paper, we look for to establish the minimum requirements that must fulfill the three fundamental aspects in an on-line thermoeconomic diagnosis and monitoring such as: Dynamic Reference Operating State, an Acceptable Performance Test State, and an Equalized Reconciliation Method. Where the Dynamic Reference Operating State, talks about to create a reference on the basis of the atmosphere conditions, fuel quality and present load of the plant in operation; in the Acceptable Operating State Test, we will describe to the minimum requirements of data acquisition and filtrate to have an acceptable tests and comparable with the reference; and an Equalized Reconciliation Method, talks about to the comparison of states (reference versus proves) to conditions of equal load and atmosphere, solved by a module of equation systems; respectively. An example of development and results applied to a plant of combined cycle 240MW of third generation is presented.

Suggested Citation

  • Zaleta, Alejandro & Chavez, J.Paulo & Pacheco, J.Jesus & Santos, Adrian & Campos, Alfonso & Gallegos, Armando, 2007. "Concepts on dynamic reference state, acceptable performance tests, and the equalized reconciliation method as a strategy for a reliable on-line thermoeconomic monitoring and diagnosis," Energy, Elsevier, vol. 32(4), pages 499-507.
  • Handle: RePEc:eee:energy:v:32:y:2007:i:4:p:499-507
    DOI: 10.1016/j.energy.2006.07.036
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    References listed on IDEAS

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    1. Valero, Antonio & Correas, Luis & Zaleta, Alejandro & Lazzaretto, Andrea & Verda, Vittorio & Reini, Mauro & Rangel, Victor, 2004. "On the thermoeconomic approach to the diagnosis of energy system malfunctions," Energy, Elsevier, vol. 29(12), pages 1875-1887.
    2. Valero, Antonio & Correas, Luis & Zaleta, Alejandro & Lazzaretto, Andrea & Verda, Vittorio & Reini, Mauro & Rangel, Victor, 2004. "On the thermoeconomic approach to the diagnosis of energy system malfunctions," Energy, Elsevier, vol. 29(12), pages 1889-1907.
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    1. Silva, J.A.M. & Venturini, O.J. & Lora, E.E.S. & Pinho, A.F. & Santos, J.J.C.S., 2011. "Thermodynamic information system for diagnosis and prognosis of power plant operation condition," Energy, Elsevier, vol. 36(7), pages 4072-4079.
    2. Amorim Lorenzoni, Raphael & Conceição Soares Santos, José Joaquim & Barbosa Lourenço, Atilio & Marcon Donatelli, João Luiz, 2020. "On the accuracy improvement of thermoeconomic diagnosis through exergy disaggregation and dissipative equipment isolation," Energy, Elsevier, vol. 194(C).
    3. Usón, Sergio & Valero, Antonio, 2011. "Thermoeconomic diagnosis for improving the operation of energy intensive systems: Comparison of methods," Applied Energy, Elsevier, vol. 88(3), pages 699-711, March.

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