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  5. PERFECTION OF CHECKING OF SAFETY NUCLEAR POWER PLANT SYSTEMS

PERFECTION OF CHECKING OF SAFETY NUCLEAR POWER PLANT SYSTEMS

P.F. Budanov, V.S. Luchkov, D.M. Shalygin
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The analysis of the modern state of questions of safety of blocks of operating nuclear power plant is conducted for all spectrum IS, both internal and caused external actions, with the use of the known developed methods, the contribution of external actions is appraised to frequencies of damage of active area of reactor, the necessity of making of measures is shown on protecting from their consequences. Grounded requirement on introduction of the checking of safety nuclear power plant system as subsystem to ACE TP nuclear power plant and its functional and structural composition of controls safety is offered. Complemented and applied method of selection and maximum probabilistic analysis of external actions, based on statistical treatment of information on meteo-hydrological descriptions and factors which are caused техногенными terms in the district of ground of nuclear power plant, and also on the analysis of features of projects and topologies of block of nuclear power plant. Found out factors which bring in a basic contribution to the size of risk of failures on nuclear power plant and certainly measures on the increase of safety of blocks of nuclear power plant.
Keywords: system and controls safety, nuclear-power objects, nuclear reactors, reactor and turbine separations, probabilistic analyses of safety