Method of detecting that an anti-reactive element has fallen int

Details Method of detecting that an anti-reactive element has fallen int Method of detecting that an anti-reactive element has fallen int

1988-02-17

1989-06-27

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

With control of reactor

By electronic signal processing circuitry

376216, 376219, G21C 736

Patent

active

048428051

ABSTRACT:
The invention improves detecting that a control cluster has fallen into the reactor of a nuclear fission power station. Variations are monitored firstly in the nuclear power (3) and secondly in at least one parameter (1, 2) external to the reactor and having an influence on reactor control. A cluster is considered as having fallen when a rapid drop (12j) is detected in said power while no variation (12a, 12b, . . . 12h) is simultaneously detected in an external parameter that could have given rise to said power drop.
Application to producing electricity.

REFERENCES:
patent: 4075059 (1978-02-01), Bruno
patent: 4253093 (1981-02-01), Johanson et al.
patent: 4399095 (1983-08-01), Morris
patent: 4548784 (1985-10-01), Watari
patent: 4699749 (1987-10-01), McAtee
patent: 4716009 (1987-12-01), Thaulez

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