Conditions for increasing the recognition of degradation in thermal-flow diagnostics, taking into account environmental legal aspects

• Autorzy: Drosińska-Komor Marta , Głuch Jerzy , Brzezińska-Gołębiewska Katarzyna , Piotrowicz Michał , Ziółkowski Paweł
• Języki publikacji: EN

Abstrakty

EN

The ever-increasing demand for electricity and the need for conventional sources to cooperate with renewable ones generates the need to increase the efficiency and safety of the generation sources. Therefore, it is necessary to find a way to operate existing facilities more efficiently with full detection of emerging faults. These are the requirements of Polish, European and International law, which demands that energy facilities operate with the highest efficiency and meet a number of restrictive requirements. In order to improve the operation of steam power plants of electric generating stations, thermal-fluid diagnostics have been traditionally used, and in this paper a three-hull steam turbine, having a high-pressure, a medium-pressure and a low-pressure part, has been selected for analysis. The turbine class is of the order of 200 MW electric. Genetic algorithms (GA) were used in the process of creating the diagnostic model. So far, they have been used for diagnostic purposes in gas turbines, and no work has been found in the literature using GA for the diagnostic process of such complex objects as steam turbines located in professional manufacturing facilities. The use of genetic algorithms allowed rapid acquisition of global extremes, that is efficiency and power of the unit. The result of the work undertaken is the possibility to carry out a full diagnostic process, meaning detection, localization and identification of single and double degradations. In this way 100 % of the main faults are found, but there are sometimes additional ones, and these are not perfectly identified especially for single time detection. Thus, the results showed that with a very high success rate the simulated damage to the geometrical elements of the steam turbine under study is found.

Słowa kluczowe

EN

steam turbine; genethic algorithm; diagnostic; coal-fired power plant; efficiency analysis

PL

turbina parowa; algorytm genetyczny; diagnostyka; elektrownia węglowa

• Wydawca: Institute of Heat Engineering, Warsaw University of Technology
• Czasopismo: Journal of Power Technologies
• Rocznik: 2023
• Tom: Vol. 103, nr 1
• Strony: 33--48
• Opis fizyczny: Bibliogr. 49 poz., rys., tab., wykr.

Twórcy

autor

Drosińska-Komor Marta

• Gdańsk University of Technology Faculty of Mechanical Engineering and Ship Technology, Narutowicza 11/12; 80-233 Gdańsk, Poland

autor

Głuch Jerzy

• Gdańsk University of Technology Faculty of Mechanical Engineering and Ship Technology, Narutowicza 11/12; 80-233 Gdańsk, Poland

autor

Brzezińska-Gołębiewska Katarzyna

• Nicolaus Copernicus University, Faculty of Law and Administratorom, Department of Criminal Law, Władysława Bojarskiego 3, 87-100 Toruń, Poland

autor

Piotrowicz Michał

• Institute of Fluid Flow Machinery, Polish Academy of Sciences, Fiszera 14, 80-231 Gdańsk, Poland

autor

Ziółkowski Paweł

• Gdańsk University of Technology Faculty of Mechanical Engineering and Ship Technology, Narutowicza 11/12; 80-233 Gdańsk, Poland

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