Reactor power reduction system and method

Details Reactor power reduction system and method Reactor power reduction system and method

1976-04-28

1978-02-21

Bentley, Stephen C.

176 19R, 176 24, G21C 706, G21C 700

Patent

active

040750590

ABSTRACT:
A method of operating a nuclear power reactor is disclosed which enables an accelerated power reduction of the reactor without completely shutting the reactor down. The method includes monitoring the incidents which, upon their occurrence, would require an accelerated power reduction in order to maintain the reactor in a safe operation mode; calculating the power reduction required on the occurrence of such an incident; determining a control rod insertion sequence for the normal operation of the reactor, said sequence being chosen to optimize reactor power capability; selecting the number of control rods necessary to respond to the accelerated power reduction demand, said selection being made according to a priority determined by said control rod insertion sequence; and inserting said selected control rods into the reactor core.

REFERENCES:
patent: 3267002 (1966-08-01), Fromm
patent: 3423285 (1969-01-01), Curry
patent: 3565760 (1971-02-01), Parkos
patent: 3578562 (1971-05-01), Johnson
patent: 3778347 (1973-12-01), Giras
patent: 3933580 (1976-01-01), Aleite
Schultz, "Control of Nuclear Reactors and Power Plants", 2nd ed. McGraw-Hill.
Liptak, "Instrumentation in the Processing Industries", Chilton Book Co.

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