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Optimization of OPDT Protection for Overcooling Accidents (CROSBI ID 611513)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Benčik, Vesna ; Grgić, Davor ; Šadek, Siniša ; Čavlina , Nikola Optimization of OPDT Protection for Overcooling Accidents // Proceedings of the 10th International Conference on Nuclear Option in Countries with Small and Medium Electricity Grids / Čavlina, Nikola ; Grgić, Davor ; Pevec, Dubravko (ur.). Zagreb: Hrvatsko nuklearno društvo, 2014. str. 153-1-153-15

Podaci o odgovornosti

Benčik, Vesna ; Grgić, Davor ; Šadek, Siniša ; Čavlina , Nikola

engleski

Optimization of OPDT Protection for Overcooling Accidents

Overcooling accidents are typically resulting in power increase due to negative moderator feedback. There are more protection set points resp onsible for terminating power increase. OPDT protection set point is typically protection from exceeding fuel centre line temperature due to reactivity and power increase. It is important to actuate reactor trip signal early enough, but to be able to filte r out events where actuation is not necessary. Different concepts of coolant temperature compensation as part of OPDT set point protection were studied for decrease of feedwater temperature accident and for small main steam line breaks from full power for NPP Krško. Computer code RELAP5/mod 3.3 was used in calculation. The influence of different assumptions in accident description as well as nuclear core characteristics were described.

OPDT protection; decrease of feed water temperature; steam line break

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Podaci o prilogu

153-1-153-15.

2014.

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objavljeno

978-953-55224-6-1

Podaci o matičnoj publikaciji

Proceedings of the 10th International Conference on Nuclear Option in Countries with Small and Medium Electricity Grids

Čavlina, Nikola ; Grgić, Davor ; Pevec, Dubravko

Zagreb: Hrvatsko nuklearno društvo

Podaci o skupu

10th International Conference on Nuclear Option in Countries with Small and Medium Electricity Grids

poster

01.06.2014-04.06.2014

Zadar, Hrvatska

Povezanost rada

Elektrotehnika