Power range monitor system for nuclear reactor

Details Power range monitor system for nuclear reactor Power range monitor system for nuclear reactor

1997-09-26

1999-07-27

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Testing, sensing, measuring, or detecting a fission reactor...

By particular instrumentation circuitry

376246, 376254, G21C 1710

Patent

active

059303174

ABSTRACT:
A power range monitor apparatus includes a plurality of average power range monitors for calculating/monitoring local power values, average reactor power values, and core flow rate values, a plurality of rod block monitors for monitoring the average values of local power values, and a plurality of flow rate signal converters for converting the signal form of recirculation rate detection signals. The flow rate signal converters concurrently transmit recirculation rate detection signals as digital signals to the average power range monitors. The average power range monitors obtain core flow rate signals from the respective recirculation rate detection signals, use them to monitor the average reactor power, and transmit them to the rod block monitors. The rod block monitors select optimal values from average reactor power values and core flow rate signals to perform a monitoring operation.

REFERENCES:
patent: 4337118 (1982-06-01), Sakurai et al.
patent: 4975239 (1990-12-01), O'Neil et al.
Kono, Monitoring Device for Withdrawal for Control Rod Patent Abstract of Japan, JP-01-232293, Sep., 1989.
Ito et al., Nuclear Power Plant, Derwent and Patent Abstracts of Japan, JP 03-115996, May, 1991.
Suzuki et al., Power Range Monitor for Nuclear Instrumentation System of Nuclear reactor, Derwent and Patent Abstracts of Japan, JP 03-245096, Oct., 1991.
Yamaguchi et al., Power Monitoring Device for Nuclear reactor, Derwnt and Patent Abstracts of Japan, JP 03-24097, Oct., 1991.

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