| 摘要 |
PROBLEM TO BE SOLVED: To provide the reactor power monitoring technology which improves monitoring accuracy and reliability of nuclear thermal-hydraulic stability. SOLUTION: A reactor power monitor includes calculation components 44, which individually process nuclear instrumentation signals S output from nuclear instrumentation detectors 31, placed inside a core and calculate a first stability index K1 corresponding to each of the nuclear instrumentation detectors 31; and a statistical processing component 70, into which the first stability index K1 is input from each of the calculation components 44 and which statistically processes the index and a first evaluation component 81 which evaluates the nuclear thermal-hydraulic stability in the core from the results of the statistical processing. COPYRIGHT: (C)2011,JPO&INPIT
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