ML20196L250
| ML20196L250 | |
| Person / Time | |
|---|---|
| Site: | Prairie Island  |
| Issue date: | 05/13/1999 |
| From: | Breene T, Mcsorley S, Nelson H NORTHERN STATES POWER CO. |
| To: | |
| Shared Package | |
| ML20196L248 | List: |
| References | |
| NUDOCS 9905270270 | |
| Download: ML20196L250 (22) | |
Text
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s PRAIRIE ISLAND NUCLEAR GENERATING PLANT CORE OPERATING LIMITS REPORT
! Unit 1 - Cycle 20 ,
l Revision 0 i
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Note: This report is not part of the Technical Specifications.
This report is referenced in Technical Specifications.
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9905270270 990521 PDR ADOCK 05000282 P PDR I
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- PRAIRIE ISLAND NUCLEAR GENERATING PLANT CORE OPERATING LIMITS REPORT I Unit 1 - Cycle 20 Revision 0 This report provides the values of the limits for Unit 1 Cycle 20 as required by Technical Specification Section 6.7.A.6. These values have been established using NRC approved methodology and are established such that all applicable limits of the plant safety analysis are met.
Heat Flux Hot Channel Factor Limits Fo"* = 2.40 K(Z) values are provided in Figure 1.
V(Z) values are provided in Figures 2a through 2f.
Reference Technical Specification Sections: 3.10.B.1 and 3.10.B.2 Nuclear Enthalpy Rise Hot Channel Factor Limits Fm RW = j ,77 PFDH = 0.3 if the nuclear enthalpy rise hot channel factor exceeds its limit in Technical Specification 3.10.B.1, reduce reactor power and the high neutron flux trip setpoint by 3.33% for each '
percent that the measured nuclear enthalpy rise hot channel factor exceeds the 3.10.B.1 limit.
Reference Technical Specification Sections: 3.10.B.1, 3.10.B.2, and 3.10.B.3 l ;
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Core Oparating Limits Rsport s n Linear Heat Generation Rate The 95% probability level ECCS analysis calculation utilized a peak linear heat generation rate of 14.788 kW/ft.
The Appendix K ECCS analysis calculation utilized a peak linear heat generation rate of 15.167 kW/ft for the Fa limit of 2.40.
Reference Technical Specification Section: 3.10.B Axial Flux Difference Limits The Axial Flux difference limits are provided in Figure 3.
The Axial Flux Difference target band is iS%.
Reference Technical Specification Sections: 3.10.B.4 through 3.10.B.9 Shutdown Rod Insertion Limits The shutdown rods shall be fully withdrawn. .
Reference Technical Specification Sections: 3.10.D Control Rod Insertion Limits The control rod banks shall be limited in physical insertion as shown in Figures 4, 5, and 6.
Reference Technical Specification Sections: 3.10.D and 3.10.G Reactor Coolant Flow Limit The reactor coolant system flow shall be 2178,000 gpm.
Reference Technical Specification Sections: 3.10.J Page 2 of 21
3rs g imits Riport r Revision 0 LOCA The Small and Large Break LOCA analyses performed for this cycle are valid for Fo s 2.80 and Fo s 2.40, respectively. The Fo limit for the Large Break LOCA analysis
- is more limiting than the Fo limit for the Small Break LOCA analysis. The Small Break LOCA analysis incorporates the K(z) methodology. However, since the Small Break LOCA is less limiting than the Large Break LOCA analysis, no K(z) penalty needs to be applied to calculations of most limiting Fo values. Thus for the equation in Technical Specification 3.10.B, K(z) is equal to 1. K(z) is shown graphically in Figure 1.
Transient Power Distribution Penalty for Fo - V(z)
Table 1 summarizes the bounding V(z) values for the middle 80% of the core for Prairie Island Unit 1 Cycle 20. The V(z) penalty takes the form of straight lines connecting
- data points determined as a function of core height. A particular V(z) curve is valid over a given exposure range and equilibrium Axial Offset (AO) range as noted in Table 1.
The V(z) penalty for each exposure and AO range is shown graphically in Figures 2a -
2f.
Page 3 of 21 j
i f i Core Opsrating Limits R2 port Unit 1, Cycle 20 Revision 0 Table 1 -
Bounding V(z) Values Exposure Range z(ft), V(z) z(ft), V(z) 0 - 1.529 GWd/MTU 0.20, 1.000 6.30, 1.079 Eq AO range:-3% to +8% 0.39, 1.000 6.49, 1.077 Operating band: t 5% AI 0.59, 1.000 6.69, 1.074
'(Startup) 0.79, 1.000 6.89, 1.070 0.98, 1.000 7.08, 1.066 1.18, 1.105 7.28, 1.062 1.38, 1.102 7.48, 1.061 1.57, 1.099 7.67, 1.061 1.77, 1.096 7.87, 1.063 1.97, 1.093 8.07, 1.066 2.16, 1.090 8.26, 1.070 2.36, 1.087 8.46, 1.073 2.56, 1.084 8.66, 1.076 2.75, 1.082 8.85, 1.080 2.95, 1.082 9.05, 1.084 l . 3.15, 1.081 9.25, 1.088 .
3.34, 1.081 9.44, 1.091 3.54, 1.081 9.64, 1.095 3.74, 1.081 9.84, 1.098
! 3.93, 1.081 10.03, 1.101 L 4.13, 1.081 10.23, 1.105 l 4.33, 1.082 10.43, 1.108 4.52, 1.083 10.62, 1.111 4.72, 1.084 10.82, 1.115 4.92, 1.084 11.02, 1.000 5.11, 1.085 11.21, 1.000 5.31, 1.085 11.41, 1.000 l
5.51, 1.084 11.61, 1.000 5;70, 1.084 11.80, 1.000 1 5.90, 1.083 12.00, 1.000 6.10, 1.081 1
4 Page 4 of 21 L
l Core Op3 rating Limits R* port
- Unit 1, Cycle 20 Revision 0 Table 1 Bounding V(z) Values (continued)
Exposure Range z(ft), V(z) z(ft), V(z) 1.529 - 4.290 GWd/MTU 0.20, 1.000 6.30, 1.081 Eq AO range:-6% to +6% 0.39, 1.000 6.49, 1.078 Operating band:i 5% AI 0.59, 1.000 6.69, 1.075 0.79, 1.000 6.89, 1.072 0.98, 1.000 7.08, 1.069 1.18, 1.100 7.28, 1.066 1.38, 1.098 7.48, 1.070 1.57, 1.095 7,67, 1.073 1.77, 1.093 7.87, 1.076 ,
1.97, 1.092 8.07, 1.079 2.16, 1.091 8.26, 1.082 2.36, 1.090 8.46, 1.084 1 2.56, 1.089 8.66, 1.086 2.75, 1.088 8.85, 1.088 ;
2.95, 1.086 9.05, 1.091 4 3.15, 1.085 9.25, 1.094 3.34, 1.083 9.44, 1.096 ,
1 3.54, 1.081 9.64, 1.098 3.74, 1.080 9.84, 1.100 3.93, 1.080 10.03, 1.103 4.13, 1.081 10.23, 1.105 4.33, 1.082 10.43, 1.108 4.52, 1.084 10.62, 1.112 4.72, 1.085 10.82, 1.116 4.92, 1.086 11.02, 1.000 5.11, 1.086 11.21, 1.000 5.31, 1.087 11.41, 1.000 5.51, 1.086 11.61, 1.000 5.70, 1.086 11.80, 1.000 5.90, 1.084 12.00, 1.000 6.10, 1.083 l
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Core Cparating Limits RIport R s n Table 1 Bounding V(z) Values (continued)
Exposure Range z(ft), V(z) z(ft), V(z) 4.290 - 8.200 GWd/MTU 0.20, 1.000 6.30, 1.078 Eq AO range:-6% to +4% 0.39, 1.000 6.49, 1.076 Operating band:i5% AI 0.59, 1.000 6.69, 1.073 0.79, 1.000 6.89, 1.072 0.98, 1.000 7.08, 1.072 1.18, 1.101 7.28, 1.072 1.38, 1.100 7.48, 1.076 1.57, 1.098 7.67, 1.079 1.77, 1.096 7.87, 1.082 1.97, 1.094 8.07, 1.084 2.16, 1.093 8.26, 1.087 2.36, 1.091 8.46, 1.088 2.56, 1.089 8.66, 1.090 2.75, 1.088 8.85, 1.091 2.95, 1.085 9.05, 1.093 3.15, 1.083 9.25, 1.095 3.34, 1.081 9.44, 1.097 3.54, 1.079 9.64, 1.098 3.74, 1.077 9.84, 1.100 3.93, 1.078 10.03, 1.102 4.13, 1.079 10.23, 1.105 l 4.33, 1.080 10.43, 1.108 4.52, 1.082 10.62, 1.112 4.72, 1.083 10.82, 1.116 4.92, 1.083 11.02, 1.000 5.11, 1.084 11.21, 1.000 5.31, 1.084 11.41, 1.000 5.51, 1.084 11.61, 1.000 5.70, 1.083 11.80, 1.000 5.90, 1.082 12.00, 1.000 6.10, 1.080 i
i Page 6 of 21
Core Oparating Limits R1 port
. Unit 1, Cycle 20 Revision 0 Table 1 Bounding V(z) Values (continued)
Exposure Range z(ft), V(z) z(ft), V(z) 8.290 - 13.290 GWd/MTU 0.20, 1.000 6.30, 1.072 l Eq AO range:-6% to +2% 0.39, 1.000 6.49, 1.070 J Operating band:i5% AI 0.59, 1.000 6.69, 1.069 0.79, 1.000 6.89, 1.071 0.98, 1.000 7.08, 1.075 1.18, 1.101 7.28, 1.079 1.38, 1.101 7.48,- 1.082 1.57, 1.100 7.67, 1.086 1.77, 1.099 7.87, 1.088 1.97, 1.097 8.07, 1.090 2.16, 1.096 8.26, 1.092 2.36, 1.093 8.46, 1.093
. 2.56, 1.091 8.66, 1.094 1 2.75, 1.088 8.85, 1.095 l 2.95, 1.085 9.05, 1.097 3.15, 1.082 9.25, 1.098 3.34, 1.080 9.44, 1.100 9.64, 1.101 3.54, 1.077 3.74, 1.075 9.84, 1.104 l 3.93, 1.075 10.03, 1.107 i 4.13, 1.076 10.23, 1.111 l 4.33, 1.077 10.43, 1.116 l 4.52, 1.077 10.62, 1.120 4.72, 1.078 10.82, 1.126 4.92, 1.079 11.02, 1.000 5-.11, 1.079 11.21, 1.000 5.31, 1.079 11.41, 1.000 5.51, 1.078 11.61, 1.000 5.70, 1.078 11.80, 1.000 ;
5.90, 1.076 12.00, 1.000 l 6.10, 1.074 Page 7 of 21
Core Oparating Limits RIport Unit 1, Cycla 20 i
Revision 0 Table 1 Bounding V(z) Values (continued)
Exposure Range z(ft), V(z) z(ft), V(z) 13.290 - 16.790 GWd/MTU 0.20, 1.000 6.30, 1.101 Eq AO range:-6% to +4% 0.39, 1.000 6.49, 1.103 Operating band:i5% AI 0.59, 1.000 6.69, 1.106 0.79, 1.000 6.89, 1.107 0.98, 1.000 7.08, 1.108 1.18, 1.117 7.28, 1.108 1.38, 1.115 7.48, 1.106 1.57, 1.113 7.67, 1.105 1.77, 1.111 7.87, 1.102 1.97, 1.107 8.07, 1.099 2.16, 1.103 8.26, 1.096 2.36, 1.099 8.46, 1.097 2.56, 1.094 6.66, 1.097 2.75, 1.089 8.85, 1.098 2.95, 1.084 9.05, 1.099 3.15, 1.07') 9.25, 1.099 3.34, 1.0.4 9.44, 1.102 '
3.54, 1.082 9.64, 1.105 3.74, 1.086 9.84, 1.108 3.93, 1.090 10.03, 1.112 4.13, 1.095 10.23, 1.117 1 4.33, 1.098 10.43, 1.123 4.52, 1.101 10.62, 1.129 4.72, 1.104 10.82, 1.136 4.92, 1.106 11.02, 1.000 5.11, 1.107 11.21, 1.000 5.31, 1.109 11.41, 1.000 5.51, 1.107 11.61, 1.000 5.70, 1.107 11.80, 1.000 5.90, 1.105 12.00, 1.000 !
6.10, 1.102 l 1 t
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Page 8 of 21
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Core Operating Limits Riport
. Unit 1, Cycle 20 Revision 0 I Table 1 Bounding V(z) Values (continued) l Exposure Range z(ft), V(z) z(ft), V(z) i
! 16.790 GWd/MTU - EOC 0.20, 1.000 6.30, 1.118 Eq AO range:-6% to +4% 0.39, 1.000 6.49, 1.118 Operating band: 5% AI 0.59, 1.000 6.69, 1.118 0.79, 1.000 6.89, 1.117 0.98, 1.000 7.08, 1.117 ;
1.18, 1.119 7.28, 1.117 )
1.38, 1.117 7.48, 1.114 1.57, 1.114 7.67, 1.112 1.77, 1.111 7.87, 1.108 1.97, 1.107 8.07, 1.103 2.16, 1.103 8.26, 1.099 l 2.36, 1.098 8.46, 1.097 2.56, 1.093 8.66, 1.095 2.75, 1.088 8.85, 1.095 2.95, 1.084 9.05, 1.096
- 3.15, 1.080 9.25, 1.098 l 3.34, 1.080 9.44, 1.100 '
3.54, 1.085 9.64, 1.103 3.74, 1.090 9.84, 1.108 3.93, 1.096 10.03, 1.114 l 4.13, 1.102 10.23, 1.120 l 4.33, 1.107 10.43, 1.128 l 4.52, 1.111 10.62, 1.135 4.72, 1.116 10.82, 1.143 4.92, 1.119 11.02, 1.000 5.11, 1.121 11.21, 1.000 5.31, 1.123 11.41, 1.000 5.51, 1.123 11.61, 1.000 5.70, 1.124 11.80, 1.000 1
, 5.90, 1.122 12.00, 1.000 1 6.10, 1.120 I
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Page 9 of 21 L
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Cors Op3rsting Limits RIport
. . Unit 1, Cycia 20 Revision 0 1.2 i
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Cors Ops uting Limita RIport
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Page 11 of 21 ;
l Core Op3 rating Limits Riport
. Unit 1, Cycle 20 Revision 0 f
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Figure 2b: BoundingV(z) Values From 1.529 -4.290 GWd/MTU i 1
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Page 12 of 21 l -- -
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Cors Op3rtting Limits Rzport Unit 1, Cycle 20 Revision 0 1
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4.290 - 8.290 GWd/MTU
~ *
.. ' ..i .. '. + 4 p p .
...y.. .
+ . 9. . . . .p. . . 9. .
AO range: -6% to +4% ..!...
. . . : . .i . .
. . . .' ..i .. .
i Band *5o/od .
. . . i . .
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?
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Figure 2c: Bounding V(z) Values From 4.290 - 8.290 GWd/MTU :
1 i
1 Page 13 of 21 J.. _
r . + .
l Core Op3 rating Limits R* port ]
i
. Unit 1, Cycle 20 Revision 0 1
i I
1 i
1 1
,i 1
1 i
i l
i I
1.17
.4....4.....p..4.-...;....
. .p . . .....#......p.......4,....>..-b.,.4......
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4 ,
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. ........4... i .. . . 4. ... . .6. . . ...
1.15 ..
...4....>.... . . . , , .
4.. 4. . . . ...4...4........4..
..g......
.1s 8.290- 13.290 GY6MTU .' . ..i. .. , .g : . . i. . p.y . ..! . .:. 4.i .
.....i... .
.i . . _. .. ....
! Eq AO range. -6% to +2% .........i..:
l ! !
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5
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4.- . "b. . .+ - p. . 4.. . . . b..-I -.4.....-.--..F. .
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i
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. +.4... ...&..4......4. . . .4.. ,
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- 4. . . ..4...
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4
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. 4. . . . 4.. . 4. . . . .. { . . . .. p.. . .p . . . p . . 4. . . ,
. . g .
1.05 0 1 2 3 4 5 6 7 8 9 10 11 12 Com @ @
Figure 2d: BoundingV(z) Values From 8.290 -13.290 GWdNTU Page 14 of 21
Core Op3 rating Limits R1 port
. Unit 1, Cycle 20 Revision 0 1.17
. . .p . . 4.. . - .y . . . . p . . 4.. . . .p, . . . p . . . .;. . . . .p . ... p. . . 4.. . . .p
. . . p. . 4.. . . .p . .. . . p . . 4.. . . .p . . . p . . 4.. . . . ..
. . ..... p . . 4, . .
t
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, ..4. . . ,..p..4...>....p..4..
13.290-16.790 GVWMTU .
..'...i...t....' -
- AO range .6%to +4% ....'....'...'.:..*.
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,...p..4.....,.........,..
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. . 1 . . . . . . .
s
.. g . . . .q. , . 4. . . . 4. . . . 4 .. . .p . . 9. . . . 4.. . . .p . . . p . . 4. . . .p...q..,.4......p . . . p. . . .q .. . .. p....p u . 4.. . . .. . . p . . 4. . .
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. . . . . 1 ,
0 1 2 3 4 5 6 7 8 9 10 11 12 Core Height (ft) 1 l
)
Figure 2e: BoundingV(z) Values From 13.290 -16.790 GWWMTU i
Page 15 of 21
Cora Op3reting Limits Riport
. Unit 1, Cycle 20 Revision 0 1.17
..4...4...4,....,...4,.. e ..t....4...4......g...4......>....g...4...4.....g...,4....4....g...4....4......g
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1
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16.790- EOC GW#MTU . .i . . . , .: . . . . . , ... i .i .
...i...^..
AO range. -6% to +4% . . . . .. . .. .
- . . j. . . . Operating Band *5%N . .4..! , . J
.,.. +
. 4. . . %. . 4. . .. . g . . . . . . 4. . ,...;...4... .6..-
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. . 4. . . . . g.. . . . 4.. . 4, . . . 6,. . . 4.. .
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0 1 2 3 4 5 6 7 8 9 10 11 12 cas Height (ft)
Figure 2f: BoundingV(z) Values From16.790 - EOC GWWMTU l
I l
I I
l Page 16 of 21
m core op3rcting Limits Mport Unit 1, cycle 20 Revision 0 120 110 ..?.. .
...4... 4 . . - .
4, . .
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. . . . . j e0 . . .? . . Unacx:eptable . ..' . ' . . .....i...._.. Unacceptable
- Operation
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+
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0
-60 -50 40 -30 -20 -10 0 10 20 30 40 50 60 Deviation From Target Flux Difference Figure 3: Deviation From Target Flux ;
Difference as a Function of Thermal Power Page 17 of 21
' ' Cors Op3 rating Licits R1 port
, Unit 1, Cycle 20 Revision 0. )
i
?
0.00
. . . .: . . -. . . . r . . ' . . ; .. -. . . . -... . . . . .r ..
..r .. . . ;. . ......:
a
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0 0.2 0.4 0.6 0.8 1 CORE POM.R FWCDON 1
Figure 4: Control Bank Insertion Limits l
l 1
i Page 18 of 21
r 4 6 Core Op2 rating Limits Rzport
. Unit 1, Cycle 20 Retrision 0
().01 I . a . .
..l BANK B ... .. . . . . . , . . . . .. ..,... . . ..
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CORE POWER FRACTION Figure 5: Insertion Limits 100 Step Overlap With One Bottomed Rod (Technical Specification 3.10.G.3)
Page 19 of 21 1
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Figure 6: Insertion Limits j 100 Step Overlap With One Inoperable Rod (Technical Specification 3.10.G.4)
Page 20 of 21
Core Oparating Limits RIport
?"nsi;o?*2 Prepared by: _ M Yh 6/19 V
' Steve Mc Sorley Date Nuclear Engineer Nuclear Analysis and Design Reviewed By: Y- Me ' 5[V/Y$
H. Oley Nelson Date Prairie Island Project Manager Nuclear Analyp!s and Design Reviewed By:
Thomas Breene
[h- M////
Date Superintendent of Nuclear Engineering Prairie Island Reviewed By: E, _ _ -m_ E o. o #
-~
s/, ,,
Eugene ehkholt Date Senior Engineer Licensing and Management issues Approved By: u// -,h~~ '
f//%/f7 i Nog (rD. Anderson'" ' Da(e ' ' .
Director Nuclear Energy Engineering Department
!l Page 21 of 21 !
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