EMERGENCY CORE COOLING SYSTEM OF BOILING WATER REACTOR

EMERGENCY CORE COOLING SYSTEM OF BOILING WATER REACTOR

PURPOSE: To reduce power capacity necessary in emergency and improve reliability by using isolation condenser, diesel driven high pressure injection system and reactor isolation cooling system in combination for high pressure system. CONSTITUTION: Train I has an isolation condenser (IC) 5/passive co...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: YANASE GORO
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
COMBUSTION ENGINES
COMBUSTION ENGINES IN GENERAL
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
INTERNAL-COMBUSTION PISTON ENGINES
LIGHTING
MECHANICAL ENGINEERING
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR POWER PLANT
NUCLEAR REACTORS
PHYSICS
WEAPONS
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Beschreibung
Zusammenfassung:PURPOSE: To reduce power capacity necessary in emergency and improve reliability by using isolation condenser, diesel driven high pressure injection system and reactor isolation cooling system in combination for high pressure system. CONSTITUTION: Train I has an isolation condenser (IC) 5/passive containment cooling system (PCSS) 6, a residual heat removal, system (low pressure system) (LPFL/RHR) 3 and an emergency gas turbine generator (GT) 8. Train II has a diesel driven injection system (high pressure system) (HDIS) 7, LPFL/RHR 3 and GT 8. Train III has an advanced reactor isolation cooling system (ARCIC) 9, LPFL/RHR 3 and GT 8. During reactor isolation, water level in reactor pressure vessel is maintained by three kinds of high pressure systems, IC 5, HDIS 1 and ARCIC 9. As these three systems do not depend on external alternating power source, load demand to emergency generator is reduced.