Microturbines have a less complex mechanical design than large-size gas turbines that should make it possible to fit them with a more straightforward control system. However, these systems have very low shaft mechanical inertia and a fast response to external disturbances, such as load trip, that make this very difficult to do. Furthermore, the presence of the recuperator requires smooth variations to the Turbine Outlet Temperature (TOT), when possible, to ensure reduced thermal stresses to the metallic matrix. This paper, after a brief overview of microturbine control systems and typical transients, presents the expected transient behavior of two advanced cycles: the Externally Fired micro Gas Turbine (EFmGT) cycle, where the aim is to develop a proper control system set-up to manage safe part-load operations at constant rotational speed, and a solar Closed Brayton Cycle (CBC), whose control system has to ensure the maximum efficiency at constant rotational speed and constant Turbine Inlet Temperature (TIT).
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April 2005
Technical Papers
Transient Analysis of and Control System for Advanced Cycles Based on Micro Gas Turbine Technology
Federico Calzolari,
Federico Calzolari
TPG-DiMSET, Universita` di Genova, Genova, Italy
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Aristide Massardo
Aristide Massardo
TPG-DiMSET, Universita` di Genova, Genova, Italy
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Alberto Traverso
Federico Calzolari
TPG-DiMSET, Universita` di Genova, Genova, Italy
Aristide Massardo
TPG-DiMSET, Universita` di Genova, Genova, Italy
Contributed by the International Gas Turbine Institute (IGTI) of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER. Paper presented at the International Gas Turbine and Aeroengine Congress and Exhibition, Atlanta, GA, June 16–19, 2003, Paper No. 2003-GT-38269. Manuscript received by IGTI, Oct. 2002, final revision, Mar. 2003. Associate Editor: H. R. Simmons.
J. Eng. Gas Turbines Power. Apr 2005, 127(2): 340-347 (8 pages)
Published Online: April 15, 2005
Article history
Received:
October 1, 2002
Revised:
March 1, 2003
Online:
April 15, 2005
Citation
Traverso, A., Calzolari , F., and Massardo, A. (April 15, 2005). "Transient Analysis of and Control System for Advanced Cycles Based on Micro Gas Turbine Technology ." ASME. J. Eng. Gas Turbines Power. April 2005; 127(2): 340–347. https://doi.org/10.1115/1.1839918
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