ML20135F661
| ML20135F661 | |
| Person / Time | |
|---|---|
| Site: | Prairie Island  |
| Issue date: | 03/03/1997 |
| From: | NORTHERN STATES POWER CO. |
| To: | |
| Shared Package | |
| ML20135F659 | List: |
| References | |
| NUDOCS 9703130252 | |
| Download: ML20135F661 (24) | |
Text
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1 1
PRAIRIE ISLAND NUCLEAR GENERATING PLANT 3
CORE OPERATING LIMITS REPORT Unit 2 - Cycle 18
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4 Revision 0 J
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4 l Note: This report is not part of the Technical Specifications.
l This report is referenced in Technical Specifications.
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9703130252 970303 PDR ADOCK 05000282 P PDR 4
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4 i PRAIRIE ISLAND NUCLEAR GENERATING PLANT l 1 l CORE OPERATING LIMITS REPORT i
Unit 2 - Cycle 18 ;
1 Revision 0
. This report provides the values of the limits for Unit 2 Cycle 18 as required by f 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.
l Heat Flux Hot Channel Factor Limits
- i Fa"" = 2.40 i
j K(Z) values are provided in Figure 1.
l- V(Z) values are provided in Figures 2a through 2g.
i l l Reference Technical Specification Sections: 3.10.B.1 and 3.10.B.2 l Nuclear Enthalov Rise Hot Channel Factor Limits j
! Fa "" = 1.77
! - PFDH = 0.3 i if the nuclear enthalpy rise hot channel factor exceeds its limit in Technical i
Specification 3.10.B.1, reduce reactor power and the high neutron flux trip setpoint by
[
I 3.33% for each percent that the measured nuclear enthalpy rise hot channel factor exceeds the 3.10.B.1 limit.
i l Reference Technical Specification Sections: 3.10.B.1, 3.10.B.2, and 3.10.B.3 i
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] Page 1 of 23 i
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a s; . 's Core Operating Limits Report Unit 2, Cycle 18 Revision 0 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 Fo 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 i
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 23
l f , , Core Operating Limits Report l Unit 2, Cycle 18 Revision 0
?
. Penalty on Fo for Small Break LOCA - K(z) i The Small and Large Break LOCA analyses performed for this cycle are valid for Fa s 2.80 and Fa s 2.40, respectively. The Fa limit for the Large Break LOCA analysis e is more limiting than the Fa limit for the Small Break LOCA analysis. The Small Break
. LOCA analysis incorporates the K(z) methodology. However, since the Small Break i LOCA is less limiting than the Large Break LOCA analysis, no K(z) penalty needs to be applied to calculations of most limiting Fa 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 i Island Unit 2 Cycle 18. The V(z) penalty takes the form of straight lines connecting I data points determined as a function of core height. A particular V(z) curve is valid l over a given exposure range and equilibrium Axial Offset (AO) range as noted in Table 1
l l
l Page 3 of 23
. -. . ~ . . . . . - . . _ . . . . _ . _ . . -
. Core Operating Limits Report Unit 2, Cycle 18 Revision 0 l
I Table 1 Bounding V(z) Values l
Exposure Range z (ft), V(z) z (ft), V(z) 0 - 0.4 GWd/MtU 0.0,1.000 6.2,1.076 Eq AO range: -3% to +8% 0.2,1.000 6.4,1.073 Operating Band: tS% AI 0.4,1.000 6.6,1.069 (Startup) 0.6,1.000 6.8, 1.066 0.8,1.000 7.0,1.063 1.0,1.118 7.2, 1.060 1.2,1.115 7.4,1.060 1.4,1.111 7.6, 1.060 1.6,1.108 7.8,1.060 1.8,1.105 8.0,1.064 2.0,1.102 8.2, 1.068 1 2.2,1.098 8.4,1.072 2.4,1.095 8.6,1.076 2.6,1.092 8.8,1.080 l
2.8,1.089 9.0,1.084 3.0,1.085 9.2,1.088 3.2,1.082 9.4,1.092 3.4,1.082 9.6,1.095 l l
3.6,1.082 9.8,1.099 3.8,1.082 10.0,1.103 4.0,1.082 10.2,1.107 4.2,1.082 10.4,1.111 4.4,1.082 10.6,1.115 l 4.6,1.082 10.8,1.119 4.8,1.082 11.0,1.123 5.0,1.082 11.2,1.000 5.2,1.082 11.4,1.000 5.4,1.082 11.6,1.000 5.6,1.082 11.8,1.000 5.8,1.082 12.0,1.000 6.0,1.079 Page 4 of 23
.. Core Opera *.ing Limits Report Unit 2, Cycle 18 Revision 0 Table i Bounding V(z) Values (continued)
Exposure Range z (ft), V(z) z (ft), V(E}
O - 0.4 GWd/MtU 0.0,1.000 6.2, 1.076 Eq AO range: -3% to +5% 0.2,1.000 6.4,1.073 Operating Band: 5% AI 0.4,1.000 6.6, 1.069 0.6,1.000 6.8, 1.066 0.8,1.000 7.0,1.063 1.0, 1.112 7.2, 1.060 1.2,1.109 7.4, 1.060 1.4,1.105 7.6, 1.060 1.6,1.102 7.8,1.060 1.8,1.099 8.0, 1.064 2.0,1.095 8.2,1.068 2.2,1.092 8.4. 1.072 2.4,1.089 8.6,1.076 2.6,1.085 8.8,1.080 2.8,1.082 9.0, 1.084 3.0,1.082 9.2,1.088 3.2,1.082 9.4,1.092 3.4,1.082 9.6,1.095 3.6,1.082 9.8,1.099 3.8,1.082 10.0,1.103 4.0,1.082 10.2,1.107 4.2,1.082 10.4,1,111 4.4,1.082 10.6,1.115 4.6,1.082 10.8,1.119 4.8,1.082 11.0,1.123 5.0,1.082 11.2,1.000 5.2,1.082 11.4,1.000 5.4,1.082 11.6,1.000 5.6,1.082 11.8,1.000 5.8,1.082 12.0,1.000 6.0,1.079 I
l Page 5 of 23
Core Operating Limits Report Unit 2, Cyc!c 18 Revision 0 Table 1 Bounding V(z) Values (continued)
' Exposure Range z (ft), V(z) z (ft), V(z)
! O - 2.5 GWd/MtU 0.0,1.000 6.2,1.083 Eq AO range: -6% to +4% 0.2,1.000 6.4,1.083 Operating Band: iS% AI 0.4,1.000 6.6,1.083 0.6,1.000 6.8,1.083 0.8,1.000 7.0,1.083 1.0,1.112 7.2,1.083 1.2,1.109 7.4,1.083 1.4,1.107 7.6,1.083 1.6,1.104 7.8,1.083 1.8,1.101 8.0,1.083 2.0,1.099 8.2,1.083 2.2,1.096 8.4,1.083
! 2.4,1.094 8.6,1.086 2.6, 1.091 8.8,1.089 1 2.8,1.088 9.0, 1.092 3.0,1.086 9.2,1.095 3.2,1.083 9.4,1.098 3.4,1.083 9.6, 1.101 3.6,1.083 9.8,1.105 3.8,1.083 10.0,1.108 1 4.0,1.083 10.2,1.111 4.2,1.083 10.4,1.114 I 4.4,1.083 10.6,1.117 l 4.6,1.083 10.8,1.120 l 4.8,1.083 -11.0,1.123 5.0,1.083 11.2,1.000 5.2,1.083 11.4,1.000 5.4,1.083 11.6,1.000 l 5.6,1.083 11.8,1.000 ;
5.8,1.083 12.0,1.000 l 6.0,1.083 i
4 Page 6 of 23
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Core Operating Limits Report Unit 2, Cycle 18 Revision 0 Table 1 ,
Bounding V(z) Values (continued) i Exposure Range z (ft), V(z) z (ft), V(z) 0 - 6.5 GWd/MtU 0.0,1.000 6.2,1.083 Eq AO range: -6% to +3% 0.2,1.000 6.4,1.083 Operating Band: iS% AI 0.4,1.000 6.6,1.083 1 0.6,1.000 6.8,1.083 0.8,1.000 7.0,1.083 ;
1.0,1.112 7.2,1.083 !
1.2,1.109 7.4,1.083 l 1.4,1.107 7.6,1.083 1.6,1.104 7.8,1.083 1.8, 1.101 8.0,1.086 l 2.0,1.099 8.2,1.088 l 2.2,1.096 8.4, 1.091 !
2.4,1.094 8.6,1.093 1 2.6, 1.091 8.8,1.096 l 2.8,1.088 9.0,1.098 3.0,1.086 9.2, 1.101 3.2,1.083 9.4,1.104 3.4,1.083 9.6,1.106 3.6,1.083 9.8,1.109 3.8,1.083 10.0,1.111 4.0,1.083 10.2,1.114 4.2,1.083 10.4,1.116 4.4,1.083 10.6,1.119 4.6,1.083 10.8,1.121 4.8,1.083 11.0,1.124 5.0,1.083 11.2,1.000 5.2,1.083 11.4,1.000 5.4,1.083 11.6,1.000 5.6,1.083 11.8,1.000 5.8,1.083 12.0,1.000 6.0,1.083 Page 7 of 23
'~
Core Operating Limits Report Unit 2, Cycle 18 Revision 0 Table 1 Bounding V(z) Values (continued)
Exposure Range z (ft), V(z) z (ft), V(z)
- 0 - 11.5 GWd/MtU 0.0,1.000 6.2,1.085 Eq AO range: -6% to +2% 0.2,1.000 6.4,1.085 Operating Band: 5% AI 0.4,1.000 6.6,1.085 0.6,1.000 6.8,1.085 0.8,1.000 7.0,1.085 1.0,1.112 7.2,1.085 4
1.2,1.110 7.4,1.085 1.4,1.107 7.6,1.085 1.6,1.105 7.8,1.087
- 1.8,1.102 8.0,1.090 2.0,1.100 8.2,1.092 2.2,1.097 8.4,1.094 2.4,1.095 6.6,1.096 2.6,1.092 8.8,1.099 1 4 2.8,1.090 9.0,1.101 l 3.0,1.087 9.2,1.103 l 3.2,1.085 9.4,1.106 l 3.4,1.085 9.6,1.108 l 3.6,1.085 9.8,1.110 3.8,1.085 10.0,1.113 4.0,1.085 10.2,1.115 4.2,1.085 10.4,1.117 4.4,1.085 10.6,1.119 4.6,1.085 10.8,1.122 4.8,1.085 11.0,1.124 5.0,1.085 11.2,1.000 5.2,1.085 11.4,1.000 5.4,1.085 11.6,1.000 5.6,1.085 11.8,1.000 5.8,1.085 12.0,1.000 6.0,1.085 Page 8 of 23
Core Operating Limits Report Unit 2, Cycle 18 Revision 0 Table i Bounding V(z) Values (continued)
Excosure Range z (ft), V(z) z (ft), V(z) 0 - 15.0 GWd/MtU 0.0,1.000 6.2,1.098 Eq AO range: -6% to +4% 0.2,1.000 6.4,1.098 Operating Band: iS% AI 0.4,1.000 6.6,1.098 0.6,1.000 6.8,1.098 0.8,1.000 7.0,1.098 1.0, 1.121 7.2,1.098 1.2,1.118 7.4,1.098 1.4,1.115 7.6,1.098 1.6,1.112 7.8,1.098 1.8,1.110 8.0,1.098 2.0,1.107 8.2,1.098 2.2,1.104 8.4,1.098 2.4, 1.101 8.6,1.098 2.6,1.098 8.8,1.100 2.8,1.098 9.0,1.102 3.0,1.098 9.2,1.105 3.2,1.098 9.4,1.107 3.4,1.098 9.6,1.109 3.6,1.098 9.8,1.111 3.8,1.098 10.0,1.113 4.0,1.098 10.2,1.115 4.2,1.098 10.4,1.118 4.4,1.098 10.6,1.120 4.6,1.098 10.8,1.122 4.8,1.098 11.0,1.124 5.0,1.098 11.2,1.000 5.2,1,098 11.4,1.000 5.4,1.098 11.6,1.000 5.6,1.098 11.8,1.000 5.8,1.098 12.0,1.000 6.0,1.098 Page 9 of 23
.. Core Operating Limits Rgort Unit 3, Cycle 18 Raision 0 Table 1 Bounding V(z) Values (continued)
Exposure Range z (ft), V(z) z (ft), V(z) 0 - EOC GWd/MtU 0.0,1.000 6.2,1.111 Eq AO range: -6% to +4% 0.2,1.000 6.4,1.111 :
Operating Band: iS% AI 0.4,1.000 6.6,1.111 i 0.6,1,000 6.8,1.111 0.8,1.000 7.0,1.111 1.0,1.124 7.2,1.111 1.2,1.121 7.4,1.111 1.4,1.119 7.6,1.111 l 1.6,1.116 7.8,1.111 l 1.8,1.114 8.0,1.111 l 2.0,1.111 8.2, 1.111 2.2,1.111 8.4,1.111
^ 2.4,1.111 8.6,1.111 I 2.6,1.111 8.8, 1.111 2.8,1.111 9.0,1.111 j 9.2,1.111 3.0,1.111 3.2,1.111 9.4,1.111 ;
3.4,1.111 9.6,1.111 l 3.6,1.111 9.8,1.111 l 3.8,1.111 10.0,1.114 4.0,1.111 10.2,1.116 4.2,1.111 10.4,1.119 4.4,1.111 10.6,1.121 c 4.6,1.111 10.8,1.124 4.8,1.111 11.0,1.126 5.0,1.111 11.2,1.000 5.2,1.111 11.4,1.000 5.4,1.111 11.6,1.000 5.6,1.111 11.8,1.000 5.8,1.111 12.0,1.000 6.0,1.111 Page 10 of 23
.. Cere Operating Limits Report Unit 2, Cycle 18 Revision 0 1.2 1.1 1.0
= :: :: [
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Figure 1 HOT CHANNEL FACTOR NORMALIZED OPERATING ENVELOPE Page 11 of 23
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Figure 2c Bounding V(Z) Values From 0 - 2.5 GWd/MTU Page 14 of 23
.. Core Operating Limits Report Unit 2, Cycle 18 Revision 0 1.15 , , , , , , , , , , , ,, , , , ,
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Figure 2d Bounding V(Z) Values From 0 - 6.5 GWd/MTU Page 15 of 23
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1 Page 16 of 23
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Figure 2f Bounding V(Z) Values From 0 - 15 GWd/MTU Page 17 of 23
1
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Unit 2, Cyc!c 18 i Revision 0 i
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- Core Operating Limits Report Unit 2, Cycle 18 Revision 0 0.00 I
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Page 21 of 23
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Page 22 of 23
. ._. . . _ _ . _ , . . _ _ _ _ . _ . . _ . _ . . _ _ _ _ _ = . . _ _ _ _ . _ _ . . . . . . . . _ _
. - Core Operating Limits Report Unit 2, Cycle 18 Revision 0 i
Prepared By: - T /30/77
- Tim Tasto Date l Sr. Engineer Associate j Fuel Resources i
4 I Reviewed By: - [ dkb ' '
7 9 '7 i
! H. Oley Nelson Date Procese Manager Fuel Raources
- i Reviewed By
- f% [M J "/N'[7 Thomas Breene Date Superintendent of
< Nuclear Engineering i
- Prairie Island j l
4 I
Reviewed By:
Eugene Ilipkholt bSOA '
'/2. (o /9 7 Date Senior Engineer i i Licensing and Management issues 4
Approved By: / #41 .4 hfAdA 2 7f7 Wogpf O. And'Erson Date Director Licensing and Management issues Page 23 of 23