4 Steam Generator Tube Rupture
Time, sec |
Event |
0 |
MF10 100% tube rupture, 50.4 t/h (14 kg/s) |
10 |
turbine trip, trip all MCP's, reactor scram |
20 - 480 |
start SGEC at "A" ruptured side |
40 |
start "B" PHRS |
480 |
SG 4 SGEC start 60C/h cooldown; disable PRZ TEH (heaters) |
1350 |
Close FASV "A" side; use aux. Spray to depressurize the primary |