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J. P. Monteagudo ;Ingeniería e Investigación 2012, 32 3

Author: J. R. Gómez

Source: http://www.redalyc.org/


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Ingeniería e Investigación ISSN: 0120-5609 revii_bog@unal.edu.co Universidad Nacional de Colombia Colombia Gómez, J.
R.; Monteagudo, J.
P. A virtual sensor for monitoring excited thermal turbogenerator rotors Ingeniería e Investigación, vol.
32, núm.
3, diciembre, 2012, pp.
5-9 Universidad Nacional de Colombia Bogotá, Colombia Available in: http:--www.redalyc.org-articulo.oa?id=64324939002 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative INGENIERÍA E INVESTIGACIÓN VOL.
32 No.
3, DECEMBER 2012 (5-9) A virtual sensor for monitoring excited thermal turbogenerator rotors Sensor virtual para el monitoreo térmico de rotores de turbogeneradores a partir del estado de excitación J.
R.
Gómez1, J.
P.
Monteagudo2 ABSTRACT The working temperature of an electric generator’s parts is important for its proper operation.
The turbogenerator rotor’s temperature is of particular interest regarding its protection and maintenance.
Because of the difficulty of measuring the temperature of dynamic parts with real and implicitly robust artificial neural network (ANN) sensors it was decided to use a virtual sensor (VS) by which average rotor winding temperature is estimated.
Because ANN are characterised by learning through training rather than formal descriptions, this has made them the preferred choice for modelling processes involving complex interrelated variables; some are found in the field of instrumentation, as in this research.
This paper presents the development of an ANN-based VS applied to an electricity generating company’s 4 MW turbogenerator. Keywords: virtual sensor, temperature, turbogenerator. RESUMEN La temperatura de trabajo de diferentes partes de un generador eléctrico es una magnitud importante para su correct...





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