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Major Features of Korean Reactors
Classification APR1400 OPR1000
Reactor Thermal Output (MWt)
3,983
2,815
Net Electric Power (MWe)
1,400
1,000
Design Life (yr)
60
40
Seismic Design (g)
0.3
0.2
Thermal Margin
10%
8%
Core Damage Frequency
10-5/yr
10-4/yr
Design Pressure (kg/cm2, A/psia)
175.8 / 2,500
175.8 / 2,500
Operating Pressure (kg/cm2, A/psia)
158.2 / 2,250
158.2 / 2,250
Coolant Inlet Temperature (℃/℉)
290.6 / 555
295.8 / 564.4
Coolant Outlet Temperature (℃/℉)
323.9 / 615
327.3 / 621.1
No. of Fuel Assemblies
241
177
Fuel Assembly Type
16×16
16×16
MCR Type
Compact Workstation
Bench Board
Characteristics of I&C
Digital
Analog
Containment Type
Single
Single
Containment Cooling Method
Active
Active
Hydrogen Control
Ignitor, PAR
Ignitor, Recombiner
No. of Safety Injection
4 Train
2 Train
Safety Injection Method
DVI
C.L Injection
RWST Type
IRWST
RWT
Safe Depressurization Valve
4 POSRVs
3 PSV & 2 SDVs