Overview of safety improvement during RBMK-1500 reactor core lifetime upgrading

Overview of safety improvement during RBMK-1500 reactor core lifetime upgrading

Starting from early to mid 1970s the first generation of channel-type graphite-moderated boiling water reactors socalled RBMK types were designed and went into operation. Nowadays, all designed RBMKs represent three generations of reactors having significant differences with respect to their safety...

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Veröffentlicht in:Kerntechnik (1987) 2011-11, Vol.76 (5), p.300-306
Hauptverfasser: Pabarcius, R., Tonkunas, A., Slavickas, A., Seporaitis, M.
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Sprache:eng
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container_issue 5
container_start_page 300
container_title Kerntechnik (1987)
container_volume 76
creator Pabarcius, R.
Tonkunas, A.
Slavickas, A.
Seporaitis, M.
description Starting from early to mid 1970s the first generation of channel-type graphite-moderated boiling water reactors socalled RBMK types were designed and went into operation. Nowadays, all designed RBMKs represent three generations of reactors having significant differences with respect to their safety design features. The Ignalina NPP with two RBMK-1500 units being a second generation type were originally the most powerful reactors in the world. The change of important neutron-physical characteristics, being specific safety features for RBMK type reactors during RBMK-1500 core upgrading processes are analyzed until final shutdown and their impact on safety during reactor lifetime is discussed.
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