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Mathematical model of a steam turbine for the thermal diagnostics system

  • Henryk Rusinowski
  • , Marcin Plis
  • Silesian University of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

12 Citations (Scopus)

Abstract

Current operation control systems require advanced analytical tools, including mathematical models. A mathematical model can be developed either as an analytical model or as an empirical model. Compared to analytical models, the empirical ones are easier to formulate, however their applicability range is limited to the operating parameters, for which a particular model has been calibrated. Good results are obtained by combining analytical and empirical models. This paper discusses the mathematical model of a steam turbine working in a gas turbine combined cycle power plant. The steam turbine model contains substance and energy balance equations and the model of steam expansion line in the turbine. Leaks from valve stems and glands have been taken into account. The mathematical model of steam expansion lines contains a steam flow capacity equation and internal efficiency equation. The empirical parameters appearing in this equation have been estimated using the operating data. The computation algorithm and exemplary results are demonstrated.

Original languageEnglish
Title of host publicationProceedings of the 2016 17th International Carpathian Control Conference, ICCC 2016
EditorsIgor Podlubny, Ivo Petras, Jan Kacur
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages630-634
Number of pages5
ISBN (Electronic)9781467386067
DOIs
Publication statusPublished - 27 Jun 2016
Event17th IEEE International Carpathian Control Conference, ICCC 2016 - High Tatras, Tatranska Lomnica, Slovakia
Duration: 29 May 20161 Jun 2016

Publication series

NameProceedings of the 2016 17th International Carpathian Control Conference, ICCC 2016

Conference

Conference17th IEEE International Carpathian Control Conference, ICCC 2016
Country/TerritorySlovakia
CityHigh Tatras, Tatranska Lomnica
Period29/05/161/06/16

Keywords

  • estimation
  • mathematical model
  • steam turbine

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Control and Optimization

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