Dynamic Safety Systems in BWR plant safety systems

Dynamic Safety Systems (DSSs) are reactor safety function systems that are functionally controlled using dynamic rather than static processes. All components including software, whose failure could result in a critical safety system failure, are operationally verified by hard-wired components. Dynam...

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Bibliographic Details
Published in:IEEE transactions on nuclear science 1995-08, Vol.42 (4), p.975-981
Main Authors: Miller, D.W., Hajek, B.K., Fluhrer, J.R., Kines, J.W., Kauffman, A.C., Toth, G.L., Adams, G., Smith, I., Wilkinson, C.D.
Format: Article
Language:English
Subjects:
Applied sciences
Condition monitoring
Control systems
Decision support systems
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fission nuclear power plants
Inductors
Installations for energy generation and conversion: thermal and electrical energy
Instruments
Logic
Software safety
Spread spectrum communication
Switches
System testing
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Summary:Dynamic Safety Systems (DSSs) are reactor safety function systems that are functionally controlled using dynamic rather than static processes. All components including software, whose failure could result in a critical safety system failure, are operationally verified by hard-wired components. Dynamic Safety Systems have been developed in the United Kingdom by AEA Technology for use in gas cooled reactors. One such system, known as ISAT, will be described in this paper. Through use of scenario testing of a DSS emulator on a BWR plant training simulator, it is shown that a DSS can provide a cost effective safety system in BWR power plants.< >
ISSN:0018-9499
1558-1578
DOI:10.1109/23.467763