RBMK-1000
E414458
Soviet technology
graphite-moderated reactor
nuclear reactor type
power reactor
water-cooled reactor
The RBMK-1000 is a Soviet-designed graphite-moderated, water-cooled nuclear power reactor type, best known for its role in the 1986 Chernobyl disaster and its significant safety design flaws.
All labels observed (2)
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Soviet technology
ⓘ
graphite-moderated reactor ⓘ nuclear reactor type ⓘ power reactor ⓘ water-cooled reactor ⓘ |
| commissionedInDecade | 1970s ⓘ |
| controlRodDesign | graphite-tipped control rods ⓘ |
| coolant | light water ⓘ |
| coreDiameterApproximate | about 12 meters ⓘ |
| coreHeightApproximate | about 7 meters ⓘ |
| countryOfOrigin | Soviet Union ⓘ |
| designer | Soviet nuclear industry ⓘ |
| designFeature |
individual pressure tubes for fuel channels
ⓘ
large graphite moderator blocks ⓘ on-load refuelling capability ⓘ |
| designFlaw |
complex and error-prone operating procedures
ⓘ
inadequate containment of radioactive materials in early units ⓘ insufficient emergency shutdown system speed in original design ⓘ positive scram effect due to graphite-tipped control rods ⓘ |
| fuelEnrichmentRange | about 2–3% U-235 ⓘ |
| graphiteMassApproximate | about 1700 tonnes of graphite ⓘ |
| moderator | graphite ⓘ |
| neutronSpectrum | thermal ⓘ |
| notableAccident | Chernobyl disaster ⓘ |
| numberOfFuelChannelsApproximate | about 1661 channels ⓘ |
| postAccidentModification |
additional safety systems installation
ⓘ
control rod design changes ⓘ reduction of positive void coefficient ⓘ |
| primaryCircuitType | boiling water in individual channels ⓘ |
| primaryFuel | low-enriched uranium ⓘ |
| reactorInvolvedInAccident |
Chernobyl Nuclear Power Plant
ⓘ
surface form:
Chernobyl Nuclear Power Plant Unit 4
|
| reactorPowerElectrical | 1000 MWe ⓘ |
| reactorPowerThermal | 3200 MWt ⓘ |
| reactorType | channel-type reactor ⓘ |
| regulatoryOutcomeAfterChernobyl |
export effectively halted
ⓘ
subject to extensive safety upgrades ⓘ |
| safetyCharacteristic |
lacked full containment structure in early designs
ⓘ
positive void coefficient ⓘ prone to power excursions under certain conditions ⓘ |
| secondaryCircuitType | separate turbine steam circuit ⓘ |
| steamGeneration | boiling of light water in pressure tubes ⓘ |
| usedAtPlant |
Chernobyl Nuclear Power Plant
ⓘ
Ignalina ⓘ
surface form:
Ignalina Nuclear Power Plant
Kursk Nuclear Power Plant ⓘ Sosnovy Bor Nuclear Power Plant ⓘ
surface form:
Leningrad Nuclear Power Plant
Smolensk Nuclear Power Plant ⓘ |
| usedInCountry |
Lithuania
ⓘ
Russia ⓘ Soviet Union ⓘ Ukraine ⓘ |
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
RBMK