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By undertaking nuclear power plant projects constantly,
TEAM KOREA has maintained an edge in the global nuclear industry – in both technology and experience.

Korean Nuclear Industry

EU APR
European
APR1400

European Standard Design

The European APR1400 is a Gen 111+ Pressurized Water Reactor(PWR), with a large capacity over 1,500 MW of electrical power to comply with European safety and performance requirements.

Based on the proven design and operating experience of the OPRIOOO and the APR1400, up-to-date design technologies have been incorporated to enhance plant safety with excellent performance.

EU-APR Major Parameters
GENERAL
PLANT DATA		 Gross Power Output 1,520 MWe
NSSS Thermal Power 4,000 MWth
Design Lifetime 60 years
Seismic Design Basis DBE 0.25g
REACTOR
CORE		 Active Core Length 3.81 m
Core Diameter 3.65 m
Average Heat Flux at 100% Power 589.1 kW/m2
Number of Fuel Assemblies 241, 17×17
Number of
Control Element Assemblies		 76 Full Strength,
17 Part Strength
Fuel Cycle Length 18 to 24 months
REACTOR
COOLANT
SYSTEM		 Number of Loops 2
Operating Pressure 15.5 Mpa
Inlet Temperature 290.6℃
Outlet Temperature 323.9℃
Enhanced Safety
Improved Safety Systems

4 Independent Train Safety Injection System

  • Provides borated water to core with Active & Passive Components
  • Fluidic Device installed at the bottom of the Safety Injection Tank (SIT) passively and efficiently controls the safety injection flow into the core

Safety Injection System (SIS) uses injecting water from In-Containment Refueling Water Storage Tank (IRWST)

4 Train Safety Injection System

4 Train Safety Injection System

Mitigation of Severe Accident

Passive Autocatalytic Recombiner(PAR)

  • Limit hydrogen concentration
  • Prevent hydrogen detonation

Severe Accident Containment Spray System(SACSS)

  • Control containment pressure & remove fission products during Severe Accidents(SA)
  • Dedicated supporting systems:
    • Severe Accident Dedicated Component Cooling Water System(SACCWS)
    • Severe Accident Dedicated Essential Service Water System(SAESWS)

Emergency Reactor Depressurization System(ERDS)

  • Reduces the RCS pressure before reactor vessel breach

Passive Ex-Vessel Corium Retaining & Cooling System(PECS)

  • Installed in the reactor cavity to retain & cool down the molten core debris
  • Retain corium in the Ex-vessel core catcher & achieve a long term safe state
PAR

PAR

Downcomer, Cooling Channel, Water Box, Steel Liner, Carbon Steel, Sacrificial Concrete, In-Cotainment Refueling Water Storage Tank

PECS

Core Catcher, Downcomer, HW IRWST, AW IRWST, W IRWST

Core Catcher

Catcher Diverse Design Features

Emergency Boration System(EBS)

  • Inject highly concentrated borated water into RCS
Provisions for Beyond Design Basis External Events

Designed to assure core cooling, spent fuel cooling, containment integrity beyond Design Basis External Events(BDBEE) (as Fukushima Event)

Provisions for Beyond Design Basis External Events

Containment Filtered Vent System(CFVS)

  • Ensure containment integrity during extreme conditions by relieving pressure in a controlled manner
Reactor Pressure Vessel, Penetration, Rupture Disc, Isolation Valves, Orifice, Lodine Filter, Containment, Prefilter, Aerosol Filter

Aircraft Crash Protection Design

  • Secondary containment provides barrier against a large, commercial aircraft crash
  • Strengthened external wall of the containment building & auxiliary building
  • Separation of other safety important buildings
Aircraft Crash Shield Wal

Aircraft Crash Shield Wal

Aircraft Crash Protection

Aircraft Crash Protection

Double Containment Building

Primary Containment Structure

  • Keep the pressure boundary by liner plate
  • Provide biological shielding & reduce the radioactive release

Aircraft Crash Protection Design

  • Fully envelop the primary containment
  • Preserve structural integrity against airplane crash
  • Secondary containment HVAC system
Double Containment Building

Double Containment Building

Enhanced Seismic Resistance

Safety-Related Buildings & Structures withstand Seismic Events with 0.25g PGA

  • Envelops Most Sites with Different Types of Rock & Soil
Excellence in
Construction
Equipment Modularization

Pre-fabrication of modules helps the reduction of field work & on-site labor congestion

  • Approximately 80 items selected for modularization
  • Modules can Be lifted & installed using a large capacity crane
Modularized Reactor Internals

Modularized Reactor Internals

Top-Down Method

Use the top-down method with large capacity cranes to reduce the construction period

Large Capacity Cranes

Large Capacity Cranes

Construction Schedule

Target construction period of the first plant set to be 57 months

FIRST CONCRETING ~ SET RV:22M, SET RV ~ CHT HFT F/L:20M, CHT HFT F/L ~COD:4M,4M,7M

From the first concrete pouring to commercial operation

Outstanding
Performance
60 Years of Lifetime with Availability over 92%
Convenient Operation & Maintenance

Removable shield blocks & covers lower the radiation level to allow personal access to the containment during power operation

Integrated Head Assembly(IHA) & permanent refueling pool seal simplify refueling works

High Performance Fuel Assembly

Utilizes HIPER16 TM, an advanced fuel assembly with high thermal performance & enhanced seismic resistance

Provides a thermal margin greater than 10%

Increased discharge burn-up enables refueling cycles to be flexible from 18 to 24 months

Integrated Head Assembly

Integrated Head Assembly

Easy Removable Intergated Top Nozzle, Reduced Rod Bow Inconel Top Grid, High Seismic And Fretting Wear Resistant ZIRLO Mid Grid, High Bum-Up Inconel Bottom Grid, Debirs Filtering Bottom Nozzle

PLUS 7

Grid Following Capability

Daily load-following & frequency control capacity

  • Enables the plant to respond to power demand variations from the grid
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