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Reactor Protection System Design Using Micro-Computers

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1 Author(s)
Fairbrother, D.B. ; Babcock and Wilcox Company

Reactor Protection Systems for Nuclear Power Plants have traditionally been built using analog hardware. This hardware works quite well for single parameter trip functions; however, optimum protection against DNBR and KW/ft limits requires more complex trip functions than can easily be handled with analog hardware. For this reason, Babcock & Wilcox has introduced a Reactor Protection System, called the RPS-II, that utilizes a micro-computer to handle the more complex trip functions. This paper describes the design of the RPS-II and the operation of the micro-computer within the Reactor Protection System.

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Nuclear Science, IEEE Transactions on  (Volume:24 ,  Issue: 1 )