WWER-1500 reactor plant
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WWER-1500 reactor plant is being developed on the basis of WWER-440 and WWER-1000 reactor plant designs. Results of development of conceptual WWER-1500 RP design confirm the possibility of developing such a reactor plant, considering principles and approaches specified in the European Utility Requirements (EUR) and IAEA Guidelines as well as matching perspective foreign PWR plants with regard to the key specifications and safety level. |
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Design concepts:
- application of WWER development experience with realization of the principle of evolutionary succession;
- reactor plant main equipment development with orientation to the Russian industrial basis;
- consideration of work results on enhancement of equipment reliability and extension of its service life conformable to operating WWER-1000 and new generation WWER designs;
- maximum usage of R&D achievements for WWER-1000;
- introduction of alternative solutions subsequently to their comprehensive and representative perfection;
- observance of basic safety regulations, including:
- requirements of domestic codes and standards,
- IAEA Guidelines,
- EUR standards,
- application of certified calculation procedures and programs;
- competitiveness assurance.
Main features:
- increased dimensions of the reactor vessel;
- decreased core heat rate if compared to WWER-1000;
- increased height of the core heated part;
- horizontal SG of PGV-1000M type;
- passive safety systems designed for operation within not less than 24 hours;
- engineering safety features for severe accident management;
- main equipment design service life is 50 years, reactor vessel – 60 years.
Specifications:
| Reactor thermal power, MW |
4250
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| Number of loops, pcs |
4
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| Primary pressure, MPa |
15,7
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| Secondary pressure, MPa |
7,34
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| Steam capacity, t/h |
8270
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| Reactor coolant temperature, °С: | |
| - inlet | 297,6 |
| - outlet | 330,0 |
| Rector coolant flow rate, m3/h |
108 000
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| Vessel diameter (internal), mm |
4960
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| Neutron fluence on the reactor vessel over 60 years with energy: |
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| 0,5 MeV | 1,45.1019 neutr/cm2 |
| 1,0 MeV | 1.1019 neutr/cm2 |
| Number of fuel assemblies in the core, pcs. |
241
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| Fuel rod outside diameter, mm |
9,1
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| Fuel rod active length, mm |
4200
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| Core volumetric heat generation rate, KW/l |
87
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| Maximum linear heat rate of fuel rod, W/cm |
325
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| Make-up fuel enrichment, % |
4,4
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| Burn-up, MW·day/kgU |
(45-55) х 103
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| Fuel lifetime, years |
4 - 5
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