Source term and off-site consequences in the case of a station blackout (SBO) accident were analyzed for Qinshan Nuclear Power PIant (QNPP) using MELCOR and MACCS codes.
采用MELCOR和MACCS程序对秦山核电厂全厂断电事故的源项和厂外后果进行计算。
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In the paper some principles for decision making of the off-site early emergency protective actions'during a severe accident of NPP are described and discussed.