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1 SMART System integrated Modular Advanced ReacTor
Small and Modular Reactor Development, Safety and Licensing in Korea
IAEA TWG-LWR
Vienna, June 18-20, 2013
Presented by Jong-Tae Seo
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Outline
III. SMART Characteristics
II. SMART Development
IV. Summary
I. SMR Development in Korea
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I. SMR Development in Korea
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SMR Development in Korea
SMART Development Project Started in 1997
Integral small light water reactor with 330MWth power
Standard design approval from KINS (July 2012)
First unit construction in near future
SMR Development based on Light Water Reactor
Technology
Feasibility study for design development was performed
50 MWe modular reactor system for global market
Government funding has been postponed
Long-Lead Advanced Technology Development for
SMR
Boron free operation, Internal CEDM, etc.
Initiated in 2013
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SMRs Under Development
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II. SMART Development
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Development History
1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014
Conceptual Design
Basic Design
SMART-P (65MWt) Development
Pre
Project SMART Standard Design Approval
Design Optimization
Domestic Const. & Export
Total 1500MY and ~300M$ are invested
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SMART Development
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Standard Design
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Technology ValidationTechnology Validation Standard
Design
Standard
DesignSafety Tests Performance Tests
Core SET
• Freon CHF
• Water CHF
Safety SET
• Safety Injection
• Helical SG Heat Transfer
• Condensation HX Heat
Transfer
Integral Effect Tests
• VISTA SBLOCA
• SMART-ITL
Core SET
• Freon CHF
• Water CHF
Safety SET
• Safety Injection
• Helical SG Heat Transfer
• Condensation HX Heat
Transfer
Integral Effect Tests
• VISTA SBLOCA
• SMART-ITL
Digital MMIS
• Control Unit Platform
• Communication Switch
• Integral Safety System
Digital MMIS
• Control Unit Platform
• Communication Switch
• Integral Safety System
Fuel Assembly
• Out-of-Pile Mech./Hydr.
RPV TH
• RPV Flow Distribution
• Flow Mixing Header Ass.
• Integral Steam PZR
• PZR Level Measurement
Components
• RCP Hydrodynamics
• RPV Internals Dynamics
• SG Tube Irradiation
• Helical SG ISI
• In-core Instrumentation
Fuel Assembly
• Out-of-Pile Mech./Hydr.
RPV TH
• RPV Flow Distribution
• Flow Mixing Header Ass.
• Integral Steam PZR
• PZR Level Measurement
Components
• RCP Hydrodynamics
• RPV Internals Dynamics
• SG Tube Irradiation
• Helical SG ISI
• In-core Instrumentation
Code Devel/V&V
• Safety: TASS/SMR-S
• Core TH: MATRA-S
• Core Protec./Monitor.
Design Methodology
• DNBR Analysis
• Accident Analysis
(SBLOCA, LOFA, …)
• Integral Rx Dynamics
Code Devel/V&V
• Safety: TASS/SMR-S
• Core TH: MATRA-S
• Core Protec./Monitor.
Design Methodology
• DNBR Analysis
• Accident Analysis
(SBLOCA, LOFA, …)
• Integral Rx Dynamics
Tools & Methods
V&VV&V
Technical ReportsTechnical Reports
Digital MMIS
• MMI Human Interface
• Control Room FSDM
Digital MMIS
• MMI Human Interface
• Control Room FSDMStandard
SAR
Standard
SAR
Standard Design ApprovalStandard Design ApprovalStandard Design ApprovalStandard Design Approval
Desig
n D
ata
Technology Validation
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Core & Fuel
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Fuel Mechanical Performance Test
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RPV Dynamics Tests, RCP Mockup Test and
Helical ISI Test
SG Tube Material (A690) Irradiation Test
Mechanics and Components
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Thermal-Hydraulics Experiment
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SMART ITL(Integral Test Loop)
World’s Unique and Largest Full Scope Accident Simulation
- 1:1 Height, 1/49 Volume
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Man-Machine Interface System
Digital Main Control Room Validation - FSDM (Full-scope Dynamic Mockup)
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Licensing
2010 2011 2012
• Pre-application Review by KINS (Feb. 2010)
• Application of Standard Design Approval (Dec. 30, 2010)
CDM, SSAR, EOG and related documents
• Document Conformance Evaluation (~Feb. 2011)
• 1st Round Questionnaire : April 30, 2011
• 2nd
Round Questionnaire : July 31, 2011
• 3rd
Round Questionnaire : October, 2011
• 4th Round Questionnaire : December, 2011
• Additional Questionnaire: January ~ April, 2012
• Standard Design Approval : July 4, 2012
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III. SMART Characteristics
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SMART Application
Plant Data
Power : 330 MWt
Water : 40,000 t/day
Electricity: 90 MWe
System-integrated Modular Advanced ReacTor
Seawater Potable
water
Electricity
Desalination Plant
Intake
Facilities
Steam
SMART
Steam
Transformer
330MWth
Integral PWR
Electricity Generation, Desalination and/or District Heating
Electricity and Fresh Water Supply for a City of 100,000 Population (Korean)
Suitable for Small Grid Size or Localized Power System
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X X
X X X X
Loop Type PWR
Integral Reactor
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Reactor Vessel Assembly
No large RPV penetrations Less than 2 inch penetrations
In-Vessel Steam Pressurizer
8 Helical Steam Generators Once through SG
Produce superheated steam
4 Reactor Coolant Pumps Canned motor type
Horizontally mounting
57 Fuel Assemblies Standard 17x17 UO2 (< 5 w/o U235)
w/ reduced height (2m)
Performance proved at operating
PWRs
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RPV - Internals
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Balance of Plant
Containment Building
Hydrogen Recombiner: 12 Passive Autocatalytic Recombiners
Containment Spray System (2 Train)
Containment Isolation System
Aircraft Impact Proof
Auxiliary Building
Quadrant Wrap-around
Fuel Building Inside
Aircraft Impact Proof
Single Basemat with Containment
(Seismically Resistant)
EDG Bldg
Composite
Bldg
Aux. BldgTBN Bldg
Containment
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General Arrangement
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Enhanced Safety
Containment Building
- Air craft (Boeing767) Crash Proof
- Low Hydrogen Concentration
Passive Ex-Vessel Cooling
- Prevent Vessel Failure
Minimize Fuel Failure
- Fuel submerged during all DBA
Passive Residual Heat Removal system
- 20 days grace period against Fukushima-type accident
Passive Hydrogen Removal System
- Prevent Hydrogen Explosion
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SMART vs. Fukushima
Rx Shutdown
Rx Overheat
EDG Start
Batteries
(8 hours) Fukushima
Core Cooling
Recharge ECT
Station Blackout Event Scenario PRHRS
Grace
Time*
1 Yes 20
Days**
2 No 2.6 Days
Grace Time
EDG STOP Blackout
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IV. Summary
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Summary
Korea Successfully Developed SMART First to the Market The standard design of SMART and Technology Validation
was completed
Standard design approval was granted on July 4, 2012
Safe in Fukushima Accident Condition The core is maintained undamaged for up to 20 days without
any corrective actions by the operator
Multiple Application Electricity generation, seawater desalination, district heating
and process heat to industries
and Continues SMR Development
Construction of SMART and Advanced Technology
Development