Thermal margin control

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...

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176 24, 176 25, 176 60, 340417, G21C 732

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active

039986934

ABSTRACT:
A monitoring system for providing warning and/or trip signals indicative of the approach of the operating conditions of a nuclear steam supply system to a departure from nucleate boiling or coolant temperature saturation. The invention is characterized by calculation of the thermal limit locus in response to signals which accurately represent reactor cold leg temperature and core power; the core power signal being adjusted to compensate for the effects of both radial and axial peaking factor.

REFERENCES:
patent: 3234100 (1966-02-01), Ogle
patent: 3734823 (1973-05-01), Brown et al.
patent: 3752735 (1973-08-01), Musick et al.
patent: 3778347 (1973-12-01), Giras et al.

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