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Copyright 2013 GE Hitachi Nuclear Energy International, LLC - All rights reserved Confidence in ESBWR Safety Features INPRO Dialogue Forum November 19-23, 2013 1 Gary Miller Senior Application Engineer

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Confidence in ESBWR

Safety Features

INPRO Dialogue Forum

November 19-23, 2013

Gary Miller Senior Application Engineer

Page 2: Confidence in ESBWR Safety Features - International · PDF file · 2017-09-28DW2 GDCS POOL WW2 WETWELL WW1 RPV DRYWELL DW1 GIST facility Isolation Condenser Testing L BDL B REAK OWER

IN 2.1.4: Confidence in innovative components and approaches

AL 2.13: “Before the introduction or enhancement

of inherent safety characteristics and use of

passive safety systems the validity of these approaches has been established by appropriate

RD&D programs.”

Page 3: Confidence in ESBWR Safety Features - International · PDF file · 2017-09-28DW2 GDCS POOL WW2 WETWELL WW1 RPV DRYWELL DW1 GIST facility Isolation Condenser Testing L BDL B REAK OWER

PCCS heat exchanger test

IC/PCC POOLS

DW2

GDCS POOL

WW2

WETWELLWW1

RPV

DRYWELLDW1

GIST facility

Isolation Condenser Testing

BDL

BREAK

LOWER

DRYWELL

HORIZONTAL

VENT (1 OF 2)

GDCS INJECTION

LINE (1 OF 4)

UPPER

DRYWELL

VACUUM BREAKER

(GDLB TESTS ONLY)

MSL

BREAK

REACTOR

PRESSURE

VESSEL

DEPRESSURIZATION

LINE (1 OF 2)

WETWELL

Panda Full Height Containment Test facility

WW to DW Vacuum Breaker

ESBWR … ‘Proven’ innovation drywell to wetwell

vacuum breaker test Depressurization Valve

test

BiMAC testing

fuel – modified

GNF2

natural circulation proven at Dodewaard

FMCRDs from ABWR

Nuclear Energy International, LLC

Page 4: Confidence in ESBWR Safety Features - International · PDF file · 2017-09-28DW2 GDCS POOL WW2 WETWELL WW1 RPV DRYWELL DW1 GIST facility Isolation Condenser Testing L BDL B REAK OWER

Depressurization Valve (DPV)

DPV Under Test at Wyle Laboratories

Page 5: Confidence in ESBWR Safety Features - International · PDF file · 2017-09-28DW2 GDCS POOL WW2 WETWELL WW1 RPV DRYWELL DW1 GIST facility Isolation Condenser Testing L BDL B REAK OWER

GDCS Integrated System Testing (GIST)

• GDCS is a new feature; extensive testing

• Integrated systems testing performed

• Full-scale in vertical direction

Page 6: Confidence in ESBWR Safety Features - International · PDF file · 2017-09-28DW2 GDCS POOL WW2 WETWELL WW1 RPV DRYWELL DW1 GIST facility Isolation Condenser Testing L BDL B REAK OWER

PCCS Heat Exchanger Test

PCCS is new feature; extensive testing

PCCS heat exchanger testing was done in Italy in same facility used for ICS HX testing

Because of lower power, both halves of full-size unit could be tested

Page 7: Confidence in ESBWR Safety Features - International · PDF file · 2017-09-28DW2 GDCS POOL WW2 WETWELL WW1 RPV DRYWELL DW1 GIST facility Isolation Condenser Testing L BDL B REAK OWER

PCCS Heat Exchanger Integral Testing

Integral systems testing performed in Japan and

Switzerland

Full-scale in vertical direction

Paul Scherrer Institute

(PSI), Switzerland

Page 8: Confidence in ESBWR Safety Features - International · PDF file · 2017-09-28DW2 GDCS POOL WW2 WETWELL WW1 RPV DRYWELL DW1 GIST facility Isolation Condenser Testing L BDL B REAK OWER

Isolation Condenser Testing

ICs are used in BWR/2s & 3s

• Dresden 2/3

• Oyster Creek

• Nine Mile 1

• Tube and shell configuration

ESBWR is same in principle, but different geometry

• One full-scale half unit tested

over wide range of operating

conditions

Page 9: Confidence in ESBWR Safety Features - International · PDF file · 2017-09-28DW2 GDCS POOL WW2 WETWELL WW1 RPV DRYWELL DW1 GIST facility Isolation Condenser Testing L BDL B REAK OWER

BiMAC Testing

Single Channel Test

Systems Effects Test

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