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LWR
Plant System
-
2
LWR
Plant
System
2
- Safety Related System-
July
27 Forth Period
July
27
,
Forth
Period
a
as
Kazuhiro YOSHIKAWA
Hitachi
-
GE Nuclear Energy, Ltd.
Copyright © 2011 Hitachi-GE Nuclear Energy, Ltd. All Rights Reserved.
Hitachi
GE
Nuclear
Energy,
Ltd.
1
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Overview of ABW R Syst em s
ABW R
Pow er
Generation
St
Sa fet y System s Auxiliary
Syst e m s
S
ys
t
em s
thi i d
thi i d
Copyright © 2011 Hitachi-GE Nuclear Energy, Ltd. All Rights Reserved. 2
thi
s per
i
o
d
thi
s per
i
o
d
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Quiz 2
Q: Do you rem em ber the 3 principles
of Safet y design?
Shut dow n
of Safet y design?
Ans :
1
:
Shut dow n
Cool dow n
Ans
.
:
1
:
2 :
Cont ain
3 :
How does ABW R acheive it?
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4 .Safet y Syst em s of ABW R
4- 1 System s to “ Shut down” a reactor
( CRD, SLC)
4- 2 System s to “ Cool down” a reactor
( ECCS)
4- 3 St ructures or Syst em s to “ Contain” a reactor
( PCV, FCS, R/ B, SGTS, AC)
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4 - 1 Syst em s t o “Shut dow n” t he React or
CRD and SLC shut off the nuclear reaction
CRD and SLC shut off the nuclear reaction
.
PCV
RPV
HPCF
Core
HPCF
Boron
solution
CRs SLC Pumps SLC storage
tank
1.ControlRod
Di (CRD)
2Standby Liquid
S/P S/P
D
r
i
ve
(CRD)
2
.
Standby
Liquid
ControlSystem(SLC)
Copyright © 2011 Hitachi-GE Nuclear Energy, Ltd. All Rights Reserved. 5
PCV: Primary Containment Vessel
RPV: Reactor Pressure Vessel
S/P: Suppression Pool