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Regulatory Evaluation of the Mühleberg PSA

  • Ralph Schulz
  • Gerhard Schoen
  • Inn Seock Kim
  • Michael Zavisca
  • Zhe Yuan
  • Mohsen Khatib-Rahbar
Conference paper

Abstract

Probabilistic Safety Assessment (PSA) is an integral part of the Periodic Safety Review (PSR) in Switzerland. In 2000, the licensee of the Mühleberg nuclear power plant (Kernkraftwerk Mühleberg; KKM) performed a full-scope PSA according to the PSR requirements of the Swiss Federal Nuclear Safety Inspectorate (HSK), consisting of level-1 and level-2 PSAs for full-power operation (Mühleberg Safety Assessment; MUSA2000) and a level-1 PSA for shutdown operation (SMUSA). Level-2 PSAs during non-full power mode of operation, and level-3 PSAs are currently not required in Switzerland. MUSA2000 is an update of the original MUSA study (MUSA90), which was completed in 1990. The present paper describes the HSK review process and the main results and insights gained from the regulatory PSA of KKM.

Keywords

Fault Tree Severe Accident Core Damage Probabilistic Safety Assessment Accident Sequence 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag London 2004

Authors and Affiliations

  • Ralph Schulz
    • 1
  • Gerhard Schoen
    • 1
  • Inn Seock Kim
    • 2
  • Michael Zavisca
    • 2
  • Zhe Yuan
    • 2
  • Mohsen Khatib-Rahbar
    • 2
  1. 1.VilligenSwitzerland
  2. 2.Energy Research, Inc.RockvilleUSA

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