Nuclear reactor power control system

Details Nuclear reactor power control system Nuclear reactor power control system

1981-08-13

1985-10-22

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

With control of reactor

By electronic signal processing circuitry

376219, G21C 700

Patent

active

045487847

ABSTRACT:
In a nuclear reactor power control system, when a control rod or a safety rod drops into a nuclear reactor by a failure of a control rod drive mechanism, a power of a summing and averaging circuit which sums and averages measurements of neutron detectors is smaller than a value A preset by an operator of the nuclear reactor. The averaged value of the neutron detector outputs is compared with the preset value A, and if the difference therebetween exceeds a preset limit signal level B for the output drop, automatic withdrawal of the control rod is stopped, and if the difference is smaller than the limit signal level B for the power drop, the control rod is withdrawn by the amount corresponding to the power drop.

REFERENCES:
patent: 4069097 (1978-01-01), Frank
patent: 4318778 (1982-03-01), Musick
patent: 4333797 (1982-06-01), Nishizawa
patent: 4337118 (1982-06-01), Sakurai

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