TAA reactivity and power distribution anomalies
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6 Terms
how is an uncontrolled CEA withdrawal terminated when subcritical, what about at power?
terminated by High logarithmic power level trip from subcritical
at power terminated by CPC VOPT, or HIGH PZR pressure trip
describe the limiting case for a full strength CEA drop?
limiting cause is the CEA drop which does not cause a trip to occur
what conditions would results in the least time available during an inadvertent dilution?
Mode 5 (cold shutdown) with RCS drained down results in least time available
describe the limiting CEA ejection fault?
Limiting event fault for reactivity and power distribution anomalies
results from instantaneous circumferential rupture of the CEDM housing or CEDM nozzle
what kind of trip does a CEA ejection cause?
causes a high power trip
what percentage of fuel is assumed to suffer from clad failure during a CEA ejection
assumed 19% of the fuel rods suffer clad failure
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Flashcards (46)