Guangdong Daya Bay Nuclear Power Station
Technical data
| Number of generating
units |
2 |
| Power |
| NSSS thermal power |
2905 MWt |
| Gross electrical power |
984 MWe |
| Net electrical power |
944 MWe |
| Frequency |
50 Hz |
| Reactor Core and Fuel
|
| Active core height |
3.66 m |
| Active core diameter |
3.04 m |
| Fuel inventory |
72.4 t HM |
| Total number of assemblies |
157 |
| Fuel material |
UO2 |
| Enrichment, initial core |
1.8%, 2.4%, 3.1% |
| Enrichment, reload |
3.25% |
| |
| Assembly type |
AFA |
| Number of rods per assembly |
264 |
| Rod configuration |
17 × 17 |
| Cladding material |
Zircaloy 4 |
| |
| Number of fuel cycles to
full burnup |
3 |
| Reactor Vessel |
| Material |
16 MND5 |
| Shape |
cylindrical |
| Wall thickness |
200 mm |
| Height |
13.173 m |
| Inner diameter |
3.99 m |
| Mass |
327 t |
| Manufacturer |
Framatome |
| Containment |
| Type |
cylindrical |
| Design pressure |
5.2 bar |
| Reactor cooling system
|
| Coolant |
water |
| Operating pressure |
155 bar |
| Core inlet temperature |
293 °C |
| Core outlet temperature |
327 °C |
| Total coolant mass flow |
68520 t/h |
| Number of loops |
3 |
| Number of primary pumps |
3 |
| Number of steam generators |
3 |
| Primary pump |
|
| Voltage |
6.6kV |
| Mass |
105 t |
| Manufacturer |
Jeumont Schneider |
| Steam Generator |
|
| Mass |
330 t |
| Tube material |
Inconel 690 |
| Manufacturer |
Framatome |
| Steam Cycle |
| Steam flow rate |
1615 kg/s |
| Steam pressure (SG outlet at
full power) |
68.9 bar |
| Steam temperature (SG outlet
at full power) |
283.6 °C |
| Steam humidity (SG outlet at
full power) |
0.25% max |
| Condenser pressure |
75 mbar |
| Turbine Generator |
| Maximum rating |
984 MWe |
| Speed |
3000 rpm |
| High Pressure Cylinder |
1 double flow |
| Low Pressure Cylinders |
3 double flow |
| Generator rating |
1157 MVA |
| Generator voltage |
26 kV |
| Manufacturer |
GEC |
| Condenser |
| Cooling medium |
sea water |
| Cooling medium flow rate |
44 m3/sec |
| Cooling medium temperature |
23 °C |
| Tube material |
Titanium |
Last
Update: August 2008
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enquiry and comments, please contact nuclear@pacific.net.hk
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@ The Hong Kong Institution of
Engineers , 2008. All rights
reserved.