Nuclear Strategic ViewNuclear Strategic Viewgrouper.ieee.org › groups › npec › N11-02 › N11-02_Kate...Need process & template for gathering input from all the The Role of Standards

© 2010 Westinghouse Electric Company LLC. All Rights Reserved.Westinghouse Non-Proprietary Class 3

Nuclear Strategic ViewNuclear Strategic ViewFukushima, AP1000, and Small Modular Reactors

Presented by Kate Jackson

Senior Vice President Research & Technology

Presented by Kate Jackson

Senior Vice President Research & TechnologySenior Vice President, Research & Technology & Chief Technology OfficerWestinghouse Electric Company

Senior Vice President, Research & Technology & Chief Technology OfficerWestinghouse Electric Company

1


Overall ContextOverall Context● The Fukushima nuclear plants experienced a series of

unprecedented natural disasters that exceeded theunprecedented natural disasters that exceeded the design basis.● Earthquake ground force acceleration of 0.51g vs.

design of 0.45g (California reactors are 0.67g and 0.75g, respectively.

● Tsunami wave 14 meters high vs. design of tsunami wall at 5.7 meters

Japanese plants do not have guidelines for severe● Japanese plants do not have guidelines for severe accidents like U.S. reactors

● We will incorporate lessons learned from this event and necessary changes will be made to existing andnecessary changes will be made to existing and planned reactors

● The industry is re-verifying the capability of U.S. reactors to withstand severe events

2


Ongoing Recovery EffortsOngoing Recovery Efforts

● Continue to cool and stabilize Fukushima Daiichi reactors 1-3

● Provide additional cooling water to used fuel storage g gpools in reactors 1-4

● Provide long-term cooling systemsg g y

● Process radioactive water

● Conduct detailed evaluation of event

● Decommission the site

3


U S Nuclear Industry ActionsThe Nuclear Energy Institute (NEI), Institute Nuclear Power Operators (INPO) and Electric Power Research Institute (EPRI) are working together to apply lessons

U.S. Nuclear Industry Actions

Electric Power Research Institute (EPRI) are working together to apply lessons learned from Fukushima to :

Maintain focus on excellence in existing plant performance D l d i l l d f th F k hi t Develop and issue lessons learned from the Fukushima events Improve the U.S. industry response capability to global nuclear events Develop and implement the industry’s regulatory response Participate and coordinate with international organizations p g Provide technical support and R&D coordination

The strategic goal of these actions is to maintain critical safety functions, and where necessary, provide added defense in depth

4


U S Nuclear Industry ActionsU.S. Nuclear Industry Actions

5


The Role of Standards Development Organizations

● Need process & template for gathering input from all the

The Role of Standards Development Organizations

impacted nuclear codes & standards technical committees and to keep it current

● Need to address● Need to address –

– Short term and long term actions

C t t d t li ti– Current reactor and new reactor applications

– User needs (e.g., U.S., Europe, Asia)

6


The Future of Nuclear Post FukushimaThe Future of Nuclear Post-Fukushima• 30 years of safe and reliable operation• Utiliti d t i• Utilities and governments remain

committed to nuclear• New reactor development will continue• N l i ti l t t• Nuclear energy is essential to meet

environmental goals• New awareness and appreciation for

d d f t tadvanced safety systems • The AP1000 is designed with

advanced safety systems in case of a “b d d i b i ” t“beyond design basis” event

7


What Makes the AP1000 Different?What Makes the AP1000 Different?

Advanced Safety Systems Modular Construction

VESSEL SUPPORT

PERMANENTCAVITY

SEAL RING

SHIELD BLOCK

OUTLET VENTDAMPER

T/C

COLD LEG

HOT LEG

STEAM / WATER OUT

U.S. Licensing Approval Advanced Design Features

INSULATIONSUPPORT

REMOVABLEINSULATION

SUPPORT

INSULATION

INLET FLOATBALLS

WATER IN

Reduced Components & Commodity Components

Severe Accident Mitigation Features Short Engineering and

Construction Schedule

8

Commodity Components Construction Schedule


What Makes the AP1000 Different?What Makes the AP1000 Different? ● The AP1000 nuclear power plant can place the reactor in a Safe

Shutdown Condition within the first 72 hours of a Station BlackoutShutdown Condition within the first 72 hours of a Station Blackout, without the use of AC power or operator action.

● With some operator action after 3 days, the AP1000 nuclear power plant continues to maintain reactor core cooling and Spent Fuel Poolplant continues to maintain reactor core cooling and Spent Fuel Pool cooling indefinitely.

● The AP1000 nuclear power plant has superior coping capabilities as well as significantly reduced risk for core damagewell as significantly reduced risk for core damage.

9


22 New Nuclear Plants Announced; 6 U d C t t6 Under Contract

Under contract

10


AP1000TM Project StatusAP1000TM Project Status Six AP1000 units under contract - the first nuclear plant contracts in the U S in 30 years Eight additional AP1000 units are plannedU.S. in 30 years. Eight additional AP1000 units are planned.

Vogtle Unit 3VC Summer

11

Westinghouse AP1000TM

O S h d l f 2013 i ChiOn Schedule for 2013 in China

12


Why Nuclear Energy?Why Nuclear Energy?● Meets policy goals to reduce

greenhouse gas emissionsgreenhouse gas emissions● Highest reliability● Low cost electricity● Stable uranium fuel sources=less

fluctuation in price● Creates thousands of jobs, $430j , $

million per year at each site● History of safe and reliable

operation

13


Moving Forward with Small Modular ReactorsReactors ● Lessons learned from Fukushima

i t d i t d i ti l tincorporated into new and existing plants will further increase safety

● The event has raised awareness andThe event has raised awareness and appreciation for passive safety systems like those used in the AP1000 as well as the Small Modular Reactor

14


What It IsContainmentVesselWhat It Is…

● An integral PWRI ti k i f

Pressurizer

● Innovative packaging of proven components

● The highest levels of safety with fewer accident scenarios

Steam Generator

fewer accident scenarios● Industry-proven equipment

designsC t t l t t

CoreMakeup Tank +

● Compact reactor coolant system andcontainmentA i d l ti f t d ’

Reactor Coolant Pumps

● An engineered solution for today’s clean energy challenges

Internal Control Rod Drives

Simplicity in Design Reactor Core

15

…Simplicity in Design


How Small is Small?How Small is Small?

25 Westinghouse SMR Containment Vessels fit in aContainment Vessels fit in a single AP1000® Containment

Vessel

16


What We’re DoingWhat We re Doing…● Westinghouse expertise mobilized

– Dedicated, company-wide development teamDedicated, company wide development team– Leveraging 20+ years experience in small reactor

designs● Extending customer relationships to SMR te d g custo e e at o s ps to S

development● Safety analysis to support design efforts

– PIRT developmentPIRT development– LOCA and Thermal analysis with NRC licensed codes– PRA initiated

● Testing critical-to-licensing areas ofTesting critical to licensing areas of development– Internal CRDMs– Seismic and wear performance

17

Seismic and wear performance


SummarySummary● Efforts continue in the cooling and stabilization of

the Fukushima Daiichi plants 1-3p● The nuclear industry is re-verifying the capability for

the worldwide fleet of reactors to withstand severe events

● Industry organizations (NEI, INPO, EPRI, etc.) are working together closely to apply lessons learned from Fukushima

● Standards organizations must do the same● With continued demand for electricity worldwide,

there is increased awareness and appreciation for ppnuclear energy that utilizes passive safety systems

● Plants such as the AP1000 and Small Modular Reactors will help to meet this need

18

Documents

Nuclear Strategic ViewNuclear Strategic Viewgrouper.ieee.org › groups › npec › N11-02 › N11-02_Kate...Need process & template for gathering input from all the The Role of Standards