Developtment of a software tool for the analysis and verification of emergency operating procedures through the integrated simulation of plant and operators actions

Expósito Lorenzo, Antonio; Queral Salazar, José Cesar; Hortal Reymundo, Javier; Quiroga Mellado, Juan Antonio; Ibarra, Aitor; Hulsund, John-Einar; González Sevillano, Isaac y Jiménez, G. (2008). Developtment of a software tool for the analysis and verification of emergency operating procedures through the integrated simulation of plant and operators actions. "Annals of Nuclear Energy", v. 35 (n. 7); pp. 1340-1359. ISSN 0306-4549. https://doi.org/10.1016/j.anucene.2007.10.009.

Descripción

Título: Developtment of a software tool for the analysis and verification of emergency operating procedures through the integrated simulation of plant and operators actions
Autor/es:
  • Expósito Lorenzo, Antonio
  • Queral Salazar, José Cesar
  • Hortal Reymundo, Javier
  • Quiroga Mellado, Juan Antonio
  • Ibarra, Aitor
  • Hulsund, John-Einar
  • González Sevillano, Isaac
  • Jiménez, G.
Tipo de Documento: Artículo
Título de Revista/Publicación: Annals of Nuclear Energy
Fecha: Julio 2008
Volumen: 35
Materias:
Palabras Clave Informales: Software tool, emergency operating procedures, integrated simulation, operators actions
Escuela: E.T.S.I. Minas (UPM) [antigua denominación]
Departamento: Sistemas Energéticos [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

Probabilistic safety assessment (PSA) includes operator actions as elements in the set of the considered protection performances during accident sequences. Nevertheless, its impact throughout a sequence is not usually analyzed dynamically. In this sense, it is convenient to make a more detailed analysis about its importance in the dynamics of the sequences, allowing for sensitivity studies with respect to human reliability and response times. For this reason, new developments in simulation software must be able to incorporate operator actions in conventional thermalhydraulic simulations. In this paper, we present one of these new tools, the TRETA/TIZONA–COPMA III coupled codes, which can be used for evaluating the impact in the final plant state of the execution by operators of procedures and the evaluation of the available times for the manual actions of the operators. This software tool consists of a closed-loop plant/operator simulator: a thermalhydraulic code for simulating the plant transient (TRETA for PWR NPPs and TIZONA for BWR NPPs) and the procedures processor (COPMA III) to simulate the operator actions requested by the procedures, both coupled by a data communication system which allows the information exchange (SWBus). The first pilot cases have been performed in order to analyze sequences initiated by secondary side breaks leading to loss of heat sink sequences in a PWR plant. These tests have been carried out using the real plant EOPs for COPMA-III and a PWR plant model for TRETA code. The results of these simulations are presented in this paper.

Más información

ID de Registro: 3048
Identificador DC: http://oa.upm.es/3048/
Identificador OAI: oai:oa.upm.es:3048
Identificador DOI: 10.1016/j.anucene.2007.10.009
URL Oficial: http://www.elsevier.com/wps/find/journaldescription.cws_home/217/description#description
Depositado por: Memoria Investigacion
Depositado el: 07 May 2010 10:04
Ultima Modificación: 20 Abr 2016 12:37
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