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Longevity for Sustainability


Technical Information

Power Plant

Reactor type:
(Light) Pressurized Water Reactor (PWR)
Reactor thermal power:
1994 MW
Gross electrical output:
730 MW
Net electrical output:
696 MW
Thermal efficiency factor:
36 %

Nuclear Fuel

Number of fuel assemblies:
Number of fuel rods per assembly:
Fuel rod array in fuel assembly:
16 x 16
Length of fuel rods:
3.658 m
Thickness of cladding:
0.6 mm
Cladding material:
Chemical composition of fuel:
Pellet diameter:
8.2 mm
Pellet height:
9.8 mm
Total uranium weight in reactor core?:
49 t

Reactor Coolant

Reactor coolant:
Boric acid (H3BO3)
Reactor coolant pressure:
15.41 MPa
Reactor coolant volume:
197 m3
Temperature at reactor vessel inlet:
287 °C
Temperature at reactor vessel outlet:
324 °C

Control Rods

Number of control rod assemblies:
Number of absorber rods per assembly:
Total weight of control rod assembly:
52.2 kg
Neutron absorber:
Ag (80 %)-In (15 %) – Cd (5 %)
Percentage of silver in RCCA – rod control cluster assembly:
80 %

Primary system

Number of primary coolant loop:
Number of primary coolant pumps:
Electric power of reactor coolant pump motor:
5.22 MW
Total mass flow of primary coolant pump:
9 t/s
Total volume flow of primary coolant pump:
12.6 m3/s

Steam Generator (SG)

Material of U-tubes:
Number of SGs:
Steam pressure at SG outlet:
6.5 MPa
Steam temperature at SG outlet:
280.1 °C
Feedwater temperature at SG inlet:
219.4 °C
Total steam mass flow:
1088 kg/s
Height of SG:
20.6 m
Weight of SG:
345 t
Number of U-tubes in SG:
Total heating surface:
7177 m2
Outside diameter of U-tube:
19.05 mm
Thickness of U-tube:
1.09 mm

Turbine Generator

Maximum power::
730 MW
Turbine rotation speed:
1500 rpm
Inlet pressure of fresh steam:
6.5 MPa
Temperature of fresh steam:
280.1 °C
Steam moisture at high-pressure turbine inlet:
0.1 %
Condenser pressure (vacuum):
5.1 kPa
Average condensate temperature:
33 °C
Number of main feedwater pumps:
Main feedwater pump capacity:
50 %
Rated power of generator:
850 MVA
Rated voltage of generator:
21 kV
Generator current at full power        :
20 kA
Rated frequency of generator:
50 Hz
Cos ø:


Main transformers

Rated power:
2 x 500 MVA
Voltage ratio:
21/400 kV

Unit transformers

Maximum permitted continuous power:
2 X 30 MVA

Auxiliary transformer

Maximum permitted continuous power:
60 MVA
Voltage ratio:
105/6.3/6.3 kV
Rated power:
2 x 500 MVA
Voltage ratio:
21/400 kV