วันอาทิตย์ที่ 31 กรกฎาคม พ.ศ. 2554

Guangdong Daya Bay Nuclear Power Station

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

source : http://home.pacific.net.hk/~nuclear/info0112.htm

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