Research Article

RELAP5/MOD3.3 Best Estimate Analyses for Human Reliability Analysis

Table 1

Sequence of main events for LOCA calculations.

Time (s)
Analyzed cases (break sizes)1.27 cm1.91 cm2.54 cm5.08 cm7.62 cm15.24 cm

Break occurrence0.
Rx trip signal generation880.7274.2112.521.53.32.6
Turbine trip880.7274.2112.521.73.32.7
SI signal generation891.4282.4122.929.913.46.3
MFW isolation891.4282.5122.929.913.56.3
LPSI 1 and 2 pump running901.4292.4132.939.923.516.3
RCP 1 and 2 trip1105.0432.0260.9120.491.268.7
SG PORVs first discharge1230538372223232N.A.
PRZ PORV 2 first discharge8340N.A.N.A.N.A.N.A.N.A.
Accumulator no. 1 injectionN.A.N.A.N.A.1802.2712.5188.3
Accumulator no. 2 injectionN.A.N.A.N.A.1802.0712.5188.3
Accumulator no. 1 isolationN.A.N.A.N.A.8612.34111.3634.1
Accumulator no. 2 isolationN.A.N.A.N.A.8612.34111.8634.0
LPSI 1 and 2 first injectionN.A.N.A.N.A.N.A.4910864