Method and an apparatus for monitoring the period of a nuclear r

Details Method and an apparatus for monitoring the period of a nuclear r Method and an apparatus for monitoring the period of a nuclear r

1981-05-08

1984-03-06

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

With control of reactor

By electronic signal processing circuitry

376215, G21C 736

Patent

active

044353561

ABSTRACT:
When monitoring the period of a nuclear reactor, a signal representing the reactor power is generated and compared with a reference signal. When a difference between the power signal and the reference signal is detected, the level of the reference signal is changed at a predetermined rate independent of the magnitude of said difference in a direction to reduce said difference. Hereby the reference signal is brought to follow the power signal as long as the latter does not change faster than said predetermined rate of change for the reference signal. At least one warning level signal is generated, the level of which being equal to the instant level of the reference signal multiplied by a predetermined factor greater than one. The power signal is compared also with this warning level signal, and a warning signal is generated when the level of the power signal becomes equal to or exceeds the level of said warning level signal.

REFERENCES:
patent: 3931522 (1976-01-01), Rusch
patent: 3979255 (1976-09-01), Bulgier

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