NPP EQUIPMENT LIFETIME MANAGEMENT UNDER AGEING
This paper deals with the problem of nuclear power plant (NPP) equipment lifetime prediction with the use of information about damage processes, operation conditions and preventive actions. The developed model is based on Kalman linear stochastic filter. For steam generator heat-exchanged tubes we use the martingale theory for predicting the number of suppressed heat-exchanged tubes to the next control. Finally, we formulate the principle of SG lifetime optimal management.