Objective
This project on Reactor Vessel embrittlement was identified in the very early stage (1991) of the TACIS and PHARE programmes for nuclear safety as a main topic.
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Objective
This project on Reactor Vessel embrittlement was identified in the very early stage (1991) of the TACIS and PHARE programmes for nuclear safety as a main topic.
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The objective of the project was to study whether the LBB concept can be applied to the piping system of VVER 440/230 and to assess the possibility to achieve, under certain conditions, a high reliability level. More precisely, it was analysed:
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Task 1:
Establish a clear basis for a seismic design review.
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The objective of the project was to improve the existing active fire fighting system, to increase passive and active fire protection and to review secondary effects mitigation of the Novovoronezh and Kola NPPs as first application.
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Background
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The overall project aimed to develop and deliver simulation tools to be installed on the VVER-440-NPP sites (230/213). Multifunctional Simulators (MFS) had to be supplied and delivered to Novoronezh Training Centre and Kola NPP.
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The Beneficiary requested spare parts for In-Service-Inspection Equipment, which has been delivered by a Western Company in the last 20 years to the Soviet Union.
An extensive list of parts to be purchased has been set up by the Beneficiary.
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Some Reference Documents indicated the tendency to unstable behaviour of VVER-1000 reactor cores (e.g. Xe oscillations).
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Mainly for application in the primary loop, VNIIAES has developed a diagnostic centre for:
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Background:
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