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The core shroud leakage analysis and study for Kuosheng nuclear power plant

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Published/Copyright: May 21, 2019
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Abstract

Kuosheng Nuclear Power Plant (NPP) is a BWR/6 plant in Taiwan. First, this study focuses on the establishment of the TRACE/SNAP model for Kuosheng. To check the system response of the Kuosheng TRACE/SNAP model, the Final Safety Analysis Report (FSAR) and startup tests data are used to assess the TRACE/SNAP model. The TRACE predictions are consistent with the FSAR and startup tests data. This indicates that there is a respectable accuracy in the TRACE/SNAP model of Kuosheng NPP. Second, this study also focuses on the application of the TRACE/SNAP model in the core shroud leakage. The Kuosheng NPP TRACE/SNAP model is used to perform the analysis of core shroud leakage. The TRACE results imply that Kuosheng NPP is in a safe situation when the core shroud leakage transient occurs.

Kurzfassung

Das Kernkraftwerk Kuosheng (KKW) ist eine SWR/6-Anlage in Taiwan. Dieser Beitrag beschreibt die Erstellung eines TRACE/SNAP-Modells für Kuosheng. Zur Verifikation des Modells werden die Anfangs- und Randbedingungen des Final Safety Analysis Report (FSAR) und der Inbetriebnahmeprüfungen verwendet. Dabei zeigen die TRACE-Ergebnisse eine gute Übereinstimmung mit den Daten der FSAR- und Anlauftests. Dies deutet darauf hin, dass das TRACE/SNAP-Modell des KKW Kuosheng eine gute Genauigkeit aufweist. Im Anschluss daran wird ein Leck im Kern, d.h. in der Brennstoffhülle, abgebildet und berechnet mit dem TRACE/SNAP-Modell. Die so erzielten TRACE-Ergebnisse zeigen, dass sich bei diesen Transienten mit Lecks in der Brennstoffhülle das Kernkraftwerk Kuosheng immer in einem sicheren Anlagenzustand befindet.


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Received: 2018-10-09
Published Online: 2019-05-21
Published in Print: 2019-06-17

© 2019, Carl Hanser Verlag, München

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