our contribution to the forum
TRANSCRIPT
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Our Contribution to the ForumGeneral presentation of the EPRTM ReactorCR1.1.1 ‘Robustness’PART 1 – Margins - SimplicityPART 2 – Quality of design and construction – Quality of materials – RedundancyPART 3 – Robustness to external hazards
UR1.4 ‘Release into the Containment’CR3.1.1 ‘Occupational Dose’
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Presentation of the EPRTM reactor
Franck LigniniReactor & Services / Safety & Licensing
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AREVA Reactor Range
* In partnership with MHI
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The EPRTM Reactor
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EPRTM reactor Design Key drivers
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The EPRTM Reactor Overall Design Key Drivers (1/3)
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The EPRTM Reactor Overall Design Key Drivers (2/3)
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The EPRTM Reactor Overall Design Key Drivers (3/3)
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The EPRTM Reactor Building on N4 and Konvoi achievements (1/3)
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Fuel BuildingFuel Building
Nuclear Auxiliary BuildingNuclear Auxiliary Building
Office BuildingOffice Building
Turbine BuildingTurbine Building
Turbine Island Electrical Building Turbine Island Electrical Building
Radioactive Waste Processing Building Radioactive Waste Processing Building
Safeguard Building Division 1Safeguard Building Division 1Reactor BuildingReactor Building
Diesel Building 1+2Diesel Building 1+2
Safeguard Building Division 2+3 Safeguard Building Division 2+3
Safeguard Building Division 4 Safeguard Building Division 4
Diesel building 3+4Diesel building 3+4
Access BuildingAccess Building
Plant - Overview
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The EPRTM Reactor Building on N4 and Konvoi achievements (2/3)
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Type of plants N4 EPR KONVOI
Core thermal power (MWth) 4250 4590 3850Electrical output (MWe) 1475 1660 1365Number of loops 4 4 4N° of fuel assemblies 205 241 193Type of fuel assemblies 17x17 17x17 18x18Active length (cm) 427 420 390Total F.A. length (cm) 480 480 483Rod linear heat rate (W/cm) 179 166,7 167N° of control rods 73 89 61Total flowrate (kg/s) 19420 22256 18800Vessel outlet temp. (°C) 330 330 326Vessel inlet temp. (°C) 292 295.2 292S.G.: heat exch. Surface (m²) 7308 7960 5400Saturation Steam Pressure (bar) 73,1 77.2 65.5
The EPRTM Reactor Building on N4 and Konvoi achievements (3/3)
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The EPRTM Reactor Key Technical Characteristics
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The EPRTM Reactor Key Characteristics of reactor coolant system
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The EPRTM Reactor Reactor Core Characteristics
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The EPRTM Reactor Overview of Safety Systems
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The EPRTM Reactor Diversity of Safety Systems
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The EPRTM Reactor - Main Fluid Systems
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The EPRTM Reactor - Installation in the Safeguard and Auxiliary Buildings (SAB)
Control room
Spent Fuel Storage Pool
ESWSCCWS SIS/RHRSEFWS
ESWSCCWSSIS/RHRSEFWS
ESWSCCWSSIS/RHRSCHRSEFWS
ESWSCCWSSIS/RHRSCHRSEFWS
EBS FPCS Airplane crash protected buildings
division 1 division 4
division 3division 2
SPREADINGAREA
IRWSTSLFW
SLFW
Steam lines penetrationsFeedwater lines penetrations
Control room
Spent Fuel Storage Pool
ESWSCCWS SIS/RHRSEFWS
ESWSCCWSSIS/RHRSEFWS
ESWSCCWSSIS/RHRSCHRSEFWS
ESWSCCWSSIS/RHRSCHRSEFWS
EBS FPCS Airplane crash protected buildingsAirplane crash protected buildings
division 1 division 4
division 3division 2
SPREADINGAREA
IRWST
SPREADINGAREA
IRWSTSLFW
SLFW
Steam lines penetrationsFeedwater lines penetrations
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The EPRTM Reactor - Principles for safety classification of systems
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The EPRTM Reactor - Allocation of main I&C functions
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The EPRTM Reactor - I&C Human Machine Interface
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The EPRTM Reactor - I&C Overall Architecture
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99.9% of EPR™ features comply with EUR requirements** Statistics established over 4678 requirements
The certificate attesting to the EPR™ reactor’s compliance with European utility requirements was officially awarded to AREVA on July 15 2009The EPR™ reactor has outstripped the EUR specifications in the following areas: Protection against the airplane crash (the risk of the large commercial
aircraft is covered), Spent fuel storage capacity Life expectancy of 60 years
against 40 required by the EUR
EPR™ reactor certified by EUR
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AREVA worldwide engagement in EPR licensing
Olkiluoto 3Olkiluoto 3
Flamanville 3Flamanville 3
Hinkley Point CHinkley Point C
UK NSL + GDANov. + Dec. 2012
Taishan 1&2Taishan 1&2USA (COLA)USA (COLA)
Design Certification of US EPR : 2014/2015
The EPRTM reactor is:
The only Gen3 model under construction in the EU
The only reactor designed within the EU
The only reactor licensed by 3 independent European regulators
Construction LicenseFebruary 2005
Construction LicenseApril 2007
Construction LicenseOctober 2009
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The value of Experience Standardization of early engineering activities
P&ID : Important input for layout in order to validate Civil Works (CW) interfaces
DSE stage 2 : important input for I&C
14
30
109
20
3
P&ID First issue(months)
OL3Taishan
-36%-33%
-70%
System Description Stage 2 - First issue
(months)
NSSS engineering standardized and streamlined NSSS engineering standardized and streamlined
System activities:Input data for other disciplines ready earlier and better defined
System activities:Input data for other disciplines ready earlier and better defined
Number of engineering hoursfor NSSS completion
(for Taishan: estimate)
Piping isometricsNb of revisions
OL3 Taishan
-60%
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Construction duration (# months) Construction duration (# months)
The value of experience Illustration, from OL3 to TSN: first main milestones
126
4
17
127
10
TSN1OL3
Slab +1,5m
Start of innercontainment
Gussetpouring
1st concrete
Dome lifting
24
47
126
4
17
127
10
TSN1OL3
Slab +1,5m
Start of innercontainment
Gussetpouring
1st concrete
Dome lifting
24
47
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Key MessagesThe EPRTM Reactor is an evolution of mature French and German reactors, incorporating proven technologies as well as innovations validated through R&D programmes
The Safety features of the EPRTM Reactor integrate the lessons learned from the past. They have been deemed necessary and sufficient by the safety authorities of advanced nuclear countries as fulfilling the most stringent GEN III safety objectives, until March 2011
The lessons learned from the Fukushima event are not yet all drawn
A preliminary evaluations show that the EPRTM reactor would have withstood the earthquake and the subsequent tsunami
The soundness of the EPRTM reactor design was confirmed by the complementary safety evaluations (stress tests) performed by the European Regulators ; however light improvements may be incorporated to satisfy new requirements
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Thank you for your attention