Event Tree Analysis for the Medium LOCA Accident of 650 MW PWR
This thesis analyzed and evaluated the medium LOCA accident of 650 MW PWR with the PSA event tree method to get the consequences and accident sequences.The influence of the characteristics of the medium LOCA,the variation of plant parameters,and the reaction of plant staff on the event development were consid-ered.Through the establishment of the event tree model,the probability of core damage after the LOCA in the primary circuit of 650 MWe PWR nuclear power plant is calculated,which provides instructive suggestions for e-valuating the safe operation of the power plant.
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