Criticality
4-loop PWR · 3400 MW
th
· 1156 MW
e
Educational simulation — not engineering software, and not a substitute for licensed operator training.
Cutaway
solving initial conditions…
Scenarios
+
The xenon pit
Scram from full power, then try to restart
Rod ejection
A prompt-critical excursion terminated by Doppler alone
Startup from hot zero power
Pull to criticality without exceeding the period limit
Load follow
100 % → 50 % → 100 % without tripping
Loss of feedwater
Decay heat does not stop
Economy
+
Electrical output
gross
—
Net margin
per hour
—
Revenue
—
Cost
—
Reactor
—
%
Period
—
s
DNBR
—
T avg
—
°C
Control bank
100.0
% out
Turbine load
100
%
Boron
1200
ppm
1×
10×
60×
600×
❚❚
auto
man
reset
Scram