United States Nuclear Regulatory Commission - Protecting People and the Environment

Assessment of the Turbine Trip Transient in Santa María de Garoña Nuclear Power Plant with TRACE version 4.16 (NUREG/IA-0226)

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Publication Information

Manuscript Completed: June 2008
Date Published: April 2010

Prepared by:
P. Corcuera, E. Rodriguez, and G. Villescas

University of Cantabria
ETSIIT
Av. De los Castros s/n
39005 Santander, SPAIN

Antony Calvo, NRC Project Manager

Prepared for:
Division of Systems Analysis
Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001

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Abstract

This report presents the results of the assessment of the TRAC/RELAP Advanced Computational Engine (TRACE) code, version 4.16, using the model of the Santa María de Garoña Nuclear Power Plant to simulate the transient that occurred on June 23, 1992, when a false high-level signal in the moisture separator caused an automatic trip of the main turbine.

The steady state was adjusted by connecting submodels of portions of the system previously tuned to the desired conditions.

The results show a good agreement with data for all the compared variables. The results of the calculations were in reasonable agreement with plant measurements. The simulations were run on a Pentium IV 3.4 megahertz under Windows XP with 32 bits executable.

This report was prepared by the Computer Science and Intelligent Systems Group belonging to the Applied Mathematics and Computer Science Department of the University of Cantabria, which collaborates in the area of simulation with the company Nuclenor S.A., owner of the nuclear power station Santa María de Garoña. The Asociación Espanola de la Industria Eléctrica (Electric Industry Association of Spain) and Nuclenor S.A. sponsored this work.

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