| 摘要 |
PROBLEM TO BE SOLVED: To provide a neutron flux monitoring system capable of maintaining the response time of a system, shortening maintenance time and easily checking system integrity during alarm occurrence. SOLUTION: A PRNM system monitors a neutron flux based on information from an LPRM detector 2 placed in a reactor core. It is configured with a standard data area where data frame transmitted from an APRM/LPRM unit 1 having APRM unit calculating and monitoring average power of core based on the information of the LPRM detector 2 to DCF 4 is used in DCF 4 and an annex area containing system information. The information contained in the annex area is made collective with an inspection device 5.
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