MAIN
CHARACTERISTICS
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Plant
type
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EPR
(OL 3)
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N4
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Konvoi
(ISAR 2)
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Overall
data
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| Reactor thermal power, MW |
4300 |
4250 |
3950 |
| Electrical output, net, MW |
approx. 1600 |
1475 |
1400 |
| Net efficiency, % |
approx. 37 |
35 |
35.4 |
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Primary
System
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| Number of coolant loops |
4 |
4 |
4 |
| Reactor pressure, MPa |
15.5 |
15.5 |
15.7 |
| Coolant inlet temperature, °C |
295.5 |
292 |
292 |
| Coolant outlet temperature, °C |
328 |
330 |
326 |
| Coolant flow rate, kg/s |
23,000 |
19,420 |
18,800 |
| Heat transfer surface per steam generator, m2 |
7,960 |
7,308 |
5,400 |
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Reactor
Core
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| Reactor core height, m |
4.20 |
4.27 |
3.90 |
| Reactor core diameter, m |
3.77 |
3.48 |
3.6 |
| Amount of fuel in the core, tU |
128 |
110 |
103 |
| Number of fuel assemblies, pcs |
241 |
205 |
193 |
| Number of fuel rods in an assembly, pcs |
265 |
264 |
300 |
| Number of control rods, pcs |
89 |
73 |
61 |
| Average power density in reactor core, kW/l |
90.5 |
103.3 |
93.2 |
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Secondary
System
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| Number of turbine-generator sets |
1 |
1 |
1 |
| Number of LP turbines |
3 |
3 |
3 |
| Main steam pressure at SG outlet, MPa |
7.8 |
7.23 |
6.51 |
| Main steam temperature at SG outlet, °C |
293 |
288 |
282 |
| Main steam pressure to turbine, MPa |
7.55 |
7.1 |
6.38 |
| Main steam temperature to turbine, °C |
291 |
286.8 |
280,6 |
| Main steam flow rate, kg/s |
2443 |
2400 |
2187 |
| Turbine rotation speed 1/min |
1500 |
1500 |
1500 |
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Dimensions
of the main components of the EPR
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| Reactor pressure vessel (RPV) |
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| Pressure vessel inner height, m |
12,3 |
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| Pressure vessel inner diameter, m |
4,9 |
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| Pressure vessel wall thickness, mm |
250 |
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| Weight of RPV body, Mg |
Approx. 405 |
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| Weight of RPV closure head, Mg |
Approx. 116 |
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| Steam generator (SG) |
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| SG height, m |
24.3 |
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| SG weight, Mg |
500 |
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| Number of U-tubes per SG |
5980 |
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| Steam turbine |
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| Number of low-pressure casings |
3 |
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| Overall length |
44.8 |
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| Weight |
5300 |
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| Electric generator |
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| Overall length |
24 |
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| Weight |
725 |
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| Cooling, rotor |
H2 |
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| Cooling, stator |
H2O |
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