Operation control method for nuclear reactor

Details Operation control method for nuclear reactor Operation control method for nuclear reactor

1984-04-05

1987-03-03

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

With control of reactor

By electronic signal processing circuitry

376219, G21C 736, G21C 706

Patent

active

046474218

ABSTRACT:
An operation control method for a nuclear reactor performing a load follow-up operation in accordance with a load variation program, wherein a core reactivity which changes with time in a first cycle of operation is predicted based on the load variation program and data for analyzing dynamic characteristics of the reactor, and a change in a liquid poison concentration in the first cycle of operation is obtained based on the predicted reactivity, and reactor power is controlled in the first cycle of operation by adjusting the liquid poison concentration in accordance with the obtained change. When the liquid poison concentration is adjusted and control rods are manipulated, a reactivity introduced by these operations in the first cycle of operation is obtained, and an adjustment to be made to the liquid poison concentration in the second cycle of operation which is the next cycle of operation following the first cycle of operation is obtained from the reactivity introduced in the first cycle of operation. When the change in reactivity in the second cycle of operation becomes equal to that in the first cycle of operation, and reactor power is controlled in the second cycle of operation by performing the obtained adjustment of the liquid poison concentration.

REFERENCES:
patent: 4279698 (1981-07-01), Doi
patent: 4299657 (1981-11-01), Abenhaim

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