Application of noise analysis for sensor surveillance in Trillo NPP

Montalvo Martín, Cristina; Bermejo, J.A; Queral Salazar, José Cesar y Ortego, A. (2012). Application of noise analysis for sensor surveillance in Trillo NPP. En: "Reactor Noise Knowledge Transfer Meeting 2012", 16/10/2012 - 19/10/2012, Praga. ISBN 1805-6156. pp. 1-11.

Descripción

Título: Application of noise analysis for sensor surveillance in Trillo NPP
Autor/es:
  • Montalvo Martín, Cristina
  • Bermejo, J.A
  • Queral Salazar, José Cesar
  • Ortego, A.
Tipo de Documento: Ponencia en Congreso o Jornada (Artículo)
Título del Evento: Reactor Noise Knowledge Transfer Meeting 2012
Fechas del Evento: 16/10/2012 - 19/10/2012
Lugar del Evento: Praga
Título del Libro: Reactor Noise Knowledge Transfer Meeting 2012
Fecha: 2012
ISBN: 1805-6156
Materias:
Escuela: E.T.S.I. Minas (UPM) [antigua denominación]
Departamento: Física Aplicada a los Recursos Naturales [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

It is a known fact that noise analysis is a suitable method for sensor performance surveillance. In particular, controlling the response time of a sensor is an efficient way to anticipate failures and to have the opportunity to prevent them. In this work the response times of several sensors of Trillo NPP are estimated by means of noise analysis. The procedure applied consists of modeling each sensor with autoregressive methods and getting the searched parameter by analyzing the response of the model when a ramp is simulated as the input signal. Core exit thermocouples and in core self-powered neutron detectors are the main sensors analyzed but other plant sensors are studied as well. Since several measurement campaigns have been carried out, it has been also possible to analyze the evolution of the estimated parameters during more than one fuel cycle. Some sensitivity studies for the sample frequency of the signals and its influence on the response time are also included. Calculations and analysis have been done in the frame of a collaboration agreement between Trillo NPP operator (CNAT) and the School of Mines of Madrid.

Más información

ID de Registro: 22881
Identificador DC: http://oa.upm.es/22881/
Identificador OAI: oai:oa.upm.es:22881
Depositado por: Memoria Investigacion
Depositado el: 18 Mar 2014 12:46
Ultima Modificación: 24 Sep 2014 17:15
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