An advanced tool of nuclear reactor core analysis for reactor physicist: VERONA-expert system

István Pós, Zoltán Kálya, Gábor Farkas / Paks NPP Ltd / Hungary

16th Symposium of AER on VVER Reactor Physics and Reactor Safety (2006, Bratislava, Slovakia)
Core Surveillance and Monitoring


In the near future at the Paks NPP, a project for upgrading the VERONA core monitoring system will have been finished. The necessity of the modernization of VERONA system was indicated by the reactor power up rating, introduction of new fuel types and the lifetime extension of units. With parallel the VERONA modernization a hand able and easy to use tool, called VERONA-expert, has been developed for reactor physicists. The VERONA-expert can fulfill the same functions as the VERONA system without the standard VERONA computer architecture. What’s more, the VERONA-expert capable to make a lot of additional analysis. One can find the reason of the development of VERONA-expert system in the duality in the on-line in-core analysis. During in-core analysis it is very important, on one hand, to make reliable analysis of the reactor core in on-line way with a completed and licensed system. It can be done by VERONA system. On the other hand, it is also very important to make fast and reliable analysis of new and unexpected phenomena in the reactor core in on-line or off-line way. It can be done by VERONA-expert system.
The presentation gives brief summery of main features of the VERONA- expert system.

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