Abnormal state detecting apparatus utilizing control rod for use

Details Abnormal state detecting apparatus utilizing control rod for use Abnormal state detecting apparatus utilizing control rod for use

1975-10-08

1978-01-03

Pendegrass, Verlin R.

176 24, 176 34, G21C 706, G21C 700, G21C 718

Patent

active

040664970

ABSTRACT:
A control rod position immediately after the application of an operation common for a control rod of the nuclear reactor and a mean value of outputs of a plurality of neutron detectors near its control rod are calculated. The control rod position at the termination of a time interval required for the control rod to move a predetermined distance and the mean value of outputs of the plurality of neutron detectors near its control rod are calculated. The amount of variations in the control rod position and the mean value contribute to judgement of abnormal state at each location in the nuclear reactor.

REFERENCES:
patent: 3105029 (1963-09-01), Kouanic
patent: 3459925 (1969-08-01), Goosey
patent: 3656074 (1972-04-01), Bevilacqua
patent: 3780292 (1973-12-01), Klar
patent: 3906469 (1975-09-01), Kronk

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