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Current Trends in I&C Diversity Implementation

[+] Author Affiliations
C. Daniel Stiffler, Stephen Seaman

Westinghouse Electric Company LLC, Warrendale, PA

Paper No. ICONE18-30278, pp. 873-876; 4 pages
  • 18th International Conference on Nuclear Engineering
  • 18th International Conference on Nuclear Engineering: Volume 1
  • Xi’an, China, May 17–21, 2010
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 978-0-7918-4929-3
  • Copyright © 2010 by ASME


This paper discusses how reactor plant instrumentation and control (I&C) diversity implementation is achieved and impacted with evolving U.S. and worldwide diversity regulatory guidelines and requirements. With increased reliance on digital-based I&C architectures and risk-informed insight methods, diversity regulatory guidelines and requirements are still evolving. In some cases, the regulators are prescribing different methodologies to achieve the common goal of an adequate level of defense in depth through diversity. This paper analyzes differing diversity methodologies to compare and contrast rules as applied to actual diversity implementation on I&C systems.

Copyright © 2010 by ASME



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