NIC10/VN - Core Operating Limits Report - Rev. 0 (2/93) … · 2020. 4. 10. · NIC10/VN N(Z) FUNCilCN AI 1000-3000 VfD/WiUBURNUP 3.40 1.125;, 3.20 1.135 3.00 1.145 1 2.80 1.154 2.60

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CORE OPERATING LIMITS REPORT (COLR) ,NORTH ANNA 1 CYCLE 10 PATTERN VN i

REVISION 0 (FEBRUARY, 1993)

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NIC10/VN - Core Operating Limits Report - Rev. 0 (2/93) Page 1 of 15.;

9304220172 930419PDR ADOCK 05000338 ,PDRp

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CORE OPERATING LIMITS REPORT (COLR)NIC10 PATTERN VN

1.0 INTRODUCTION,

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The Core Operating Limits Report (COLR) for North Anna Unit 1 Cycle 10 has been j!

prepared in accordance with the requirements of Technical Specification 6.9.1.7. '

The Technical Specifications affected by this report are listed below: ;'

3/4.1.1.4 Moderator Temperature Coefficient3/4.1.3.5 Shutdown Bank Insertion Limit :3/4.1.3.6 Control Bank Insertion Limits3/4.2.1 Axial Flux Difference i3/4.2.2 Heat Flux Hot Channel Factor3/4.2.3 Nuclear Enthalpy Rise Hot Channel Factor ,

and Power Factor Multiplier .j

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The cycle-specific parameter limits for North Anna 1 Cycle 10 for the spec-|

ifications listed above are provided in the following pages, and were developed |

using the NRC-approved methodologies specified in Technical Specification ,!

6.9.1.7. ,,!

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NIC10/VN - Core Operating Limits Report - Rev. 0 (2/93) Page 2 of 15 |1

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2.0 Operating Limits ;

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2.1 Moderator Temperature Coefficient (Specification 3/4.1.1.4)i

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2.1.1 The Moderator Temperature Coefficient (MTC) limits are.: ;

fThe BOC/AR0-MTC shall be less positive than or equal ,to +0.6E-4 ak/k/'F below 70 percent of RATED THERMAL !

'POWER.

The BOC/ARO-MTC shall be less positive than or equal,

to 0.0E-4 Ak/k/'F at or above 70 percent of RATEDTHERMAL POWER.

The EOC/AR0/RTP-MTC shall be less negative than-5.0E-4 Ak/k/'F.

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2.1.2 The MTC Surveillance limits are: i!

The 300 ppm /ARO/RTP-MTC should be less negative than orequel to -4.0E-4 Ak/k/*F.

|The 60 ppm /ARO/RTP-MTC should be less negative than or 'equal to -4.7E-04 Ak/k/'F.

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where: BOC - Beginning of CycleARD - All Rods OutEOC - End of Cycle .

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RTP - RATED THERMAL POWER

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)NIC10/VN - Core Operating Limits Report - Rev. 0 (2/93) Page 3 of 15

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I2.2 Shutdown Bank Insertion Limit (Specification 3/4.1.3.5) .

!2.2.1 The shutdown rods shall be withdrawn to at least 225 steps. j

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2.3 Control Bank Insertion Limits (Specification 3/4.1.3.6) ir

2.3.1 The control rod banks shall be limited in physicalinsertion as shown in Figure 1.

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FIGURE 1 |NORTH ANNA UNIT 1 CYCLE 10 ;

CONTROL ROD BANK INSERTION LIMITS VS. PERCENT RATED THERMAL POWER |

ruuv wrneuwu - m

|2. m.mx i230 ' f

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210 s' 5200 O.0.1941 [

'f

1s0 / / 'h100 [ -|'f

.,y EhnK Lj j -|C 100 / / |g 1se ,' ,' }

/ :O =0 ,' . . _ _a. , -.,1=g, s /

uJ / Ih '4Gd!E' ' -jgg - f

110g ;f'3 100 |fO -1g= e= / ;a

O 70 - / i80 s'$6 !

'f

a0 s' '|=- / |= / !_.- / ;e ' ' D W ''

OA 0.1 - 0.2 0.3 M -M M U OA SA 1A j

FRACDON OF RATED THM POWEA |!

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NIC10/VN - Core Operating Limits Report - Rev. 0 (2/93) Page 4 of 15 .i.:

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2.4 Axial Flux Difference (Specification 3/4.2.1)

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2.4.1 The AXIAL FLUX DIFFERENCE Limits are provided in Figure 2.

FIGURE 2AXIAL FLUX DIFFERENCE LIMITS

AS A FUNCTION OF RATED THERMAL POWER

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? :3.gf 1.20+82

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, :,,,,! | | Ptr4=> | H4=) i i IMr#=> HNoi.....,I i 1/ \ | | 1/ \=

E i i I/' 1 ! ! E ....., I/ \i ....,$ UnaCCepliaDie$/ @eCCe$t4Dlk k UndCCep1,4ble UrlaCCegitableo S eraftep '! , ' Merttienj er fluemi w . fura t t an

[ % Cept 3LDie k A4 Cept 4Dlt,

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5.88651 % era timi4 3B+0, Deeration

E I i /l \ E / I \[ i-24~R) (+2J.ba) 2 -27.b0) (+2( 50)<= a 3c+g1 * 4.95 01

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!2.n. i2.: +ii ,

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I I I........ .....-l . pt+t1 -J.ts+tt -1. 80 +81 9.88+t' 3.50+t1 5.05685 * $ .88 +61 -3.B66tl -1.88691 1.96+01 3.98+tl 1.98+4 I

P[RC[lf flUI olII[RikcI (Cilla-1) IIIIIIIILUIDIIIIIIICI|0IIII*I!

nitu/n are livits - sot to ;cco vrs/stu titte/vu aIn tisits - nas pre /rTV to toc |f

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NIC10/VN - Core Operating Limits Report - Rev. 0 (2/93) Page 5 of 15

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| 2.5 Heat Flux Hot Channel Factor-FQ(Z) (Specification 3/4.2.2) |1

2.5.1 The Fg(Z) limits are:

2.19 ,tF (Z) 5 --- * K(Z) for P > 0.5g

Pt

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F (Z) s 4.38 * K(Z) for P s 0.5 :i g ;t'

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;!THERMAL POWER,

where: P = --------------- = , andRATED THERMAL POWER ;

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K(Z) is provided in Figure 3 !!:,

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The F (Z) Surveillance limits are: }2.5.2 g'!

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2.19 K(Z) :F (Z)M s --- * ---- for P > 0.5 'g

P N(Z)'

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K(Z)'

F (Z)M s 4.38 * ---- for P s 0.5n 'N(Z)

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THERMAL POWERwhere: P = ------------------ , '

:RATED THERMAL POWER,

K(Z) is provided in Figure 3, and. i\

N(Z) values are provided.in Figure 4 J.i

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NIC10/VN - Core Operating Limits Report - Rev. 0 (2/93) Page 6 of 15|

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'' FIGlRE 3

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K(Z) - NORMALIZED FQ AS A FUNCTION OF CORE HEIGHT !:!

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1.0 :m% ;%

. % . ,%i5

(6,1.0) ;

'R (12, o. sis) -t~ 0.8c ;u. |O :

J I< 0.6E :E :O ;z !

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8 0.4 jz

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0.0 |

0 1 2 3 4 5 6 7 8 9 10 11 12

CORE HEIGHT IN FT !:

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FIGtRE 4N(Z) FUNCTION FOR NIC10

FROM 0 to 1000 MWD /MTU BlRNUPTOP AND BOTTOM 15 PERCENT EXCLUDED

AS PER TECH SPEC 4.2.2.2.G

HEIGHT N(Z)(FEET)

10.20 1.22610.00 1.2199.80 1.2109.60 1.201

1.22+00 f-9.40 1.1929.20 1.186

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9.00 1.185B.80 1.185

/ 8.60 1.188.| g / 3.40 1.189ee

/ 8.20 1.189- 1.1 g + 0 01 sI 8.00 1.186C 7.80 1.1825 .

/ 7.40 1.1697.60 1.176

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5 h / 7.20 1.161; 1 14+0D L - 7.'00 1.1515 6.80 1.1412 6.60 1.129'E 6.40 1.115% \ 6.20 1.103E h 6.00 1.0931.10400

/ 5.80 1.088\ 5.60 1.080

\ _/ 5.40 1.079'~

5.20 1.0815.00 1.088

1.06400 4.80 1.094'

. f', f*0.00+00 2.00400 4.00400 6.00+00 8.00+00 1.00+01COREHEIGH1(FEET) 4.20 1.109

'4.00 1.1123.80 1.1133.60 1.118*

NIC10/VNN(Z)FUNCTIONAi0-1000WWD/WIUBURNUP 3.40 1.125'

3.20 1.1353.00 1.1452.80 1.154

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2.60 1.1622.40 1.170

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2.20 1.1782.00 1.1851.80 1.191

NIC10/VN - Cote Operating Limits Report - Rev. 0 (2/93) Page 8 of 15

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FIGtRE 4 (CONTINUED)N(Z) FUNCTION FOR NIC10

FROM 1000 to 3000 MWD /MTU BLRNUPTOP AND BOTTOM 15 PERCENT EXCLtDED

| AS PER TECH 5PEC 4.2.2.2.G1| HEIGHT N(Z)

(FEET)

,10.20 1.226 !

' 10.00 1.2199.80 1.2109.60 1.2019.40 1.192

1.22+0D / ,9.20 1.186 ,9.00 1.1853.80 1.185

/ 3.60 1.1885 g gf 3.40 1.189; 1.18400 s / B.20 1.1895 i 8.00 1.186

7.80 1.182-

g 7.60 1.176\ / 7.40 1.169,

= ; / 7.20 1.1613 l'l4+00 7.00 1.151

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-- 6.80 1.141g 6.60 1.129cr 6.40 1.115E \ 6.20 1.103E \ 6.00 1.0931.ic,go

/ 5.80 1.088\-> / 5.60 1.080

\_/ 5.40 1.0795.20 1.0815.00 1.088

1 ti+0D 4.80 1.094,

f|60'

0.00400 2.00400 4.00+00 5.00+00 8.00+00 1.00+01 g

COREHEIGH1(FEET) 4.20 1.1094.00 1.1123.80 1.113=3.60 1.118

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NIC10/VN N(Z) FUNCilCN AI 1000-3000 VfD/WiUBURNUP 3.40 1.125 ;,3.20 1.1353.00 1.145 12.80 1.1542.60 1.1622.40 1.170 ,2.20 1.1782.00 1.1851.80 1.191

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.FIGtRE 4 (CONTINUED) i

N(Z) FUNCTION FOR NIC10-

FROM 3000 to 5000 MWD /MTU BlRNUPTOP AM) BOTTOM 15 PERCENT EXCLl0ED !

AS PER TECH SPEC 4.2.2.2.G . !!

HEIGHT N(Z)-

(FEET) 1;a* 10.20 1.226- :!

10.00 1.219 i9.80 1.210- |9.60 1~.201 ?

1.22+0Q /. 9.40- 1.191'

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) 9.20' 1.186- '

O / 9.00 1.182 ' ' ~I8.80 1.186

1 20+00 L / \ / *S.60 1.193 ' ,!3 8.40 1.202- ;38.20 1.208 i_.

1 - 8.00 ' -1.212 I2 \ f " 7.60 1.215

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7.80 1.214-g 1.18+00 \-

\ / 7.40 1.215 !:=E k / 7.20. l'213- !.E \ .7.00 1.209 !i2 \ ) . 6.60' 1.197

6.80 1.205 --1.16+00E

fS 6.40 1.190 1'5 6.20 1.179 iI / 6.00 1.168-

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1.14i00 L I 5.80 .l.155'

\ / 5.60- 1.138 'i\ / 5.40 1.126 |v 1 ; .5.20 1.121' t

1.12+00 \j 5.00 1.1224.80 .1.125. ,4.60 1.1290.00+00 2.00+00 4.00+00 6.00+00 B.00+00 1.00+01 ,

COREHEIGHT(FEET) |*$ .f"f3f -,4.00 1.131

-3.80 -1.129-

NIC10/VN N(Z) FUNCil0N AT 3000-5000 MID/WIUBURWUP' 3,$ f[f$-'

q3.20 1.135L ;f3.00- 1.145- |

:2.80- 1.154- ,2.60 1.162- !2.40 1.170 ;2.20 1.178' 1

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' 2.00 ' 1.185 :1.80 1.191- |

.NICIONN - Core Operating Limits Report - Rev. 0 (2/93) Page 10 of 15

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FIGURE 4 (CONTINUED)N(Z) FUNCTION FOR N1C10

FROM 5000 to 7000 ifWD/MTU BURNUPTOP Ato BOTTOM 15 PERCENT EXCLUDED


HEIGHT N(Z)(FEET)

10.20 1.17710.00 1.175

1.22+00 9.80 1.1749.60 1.172

O 9.40 1.171j 9.20 1.171- -

1.20+00 -[ \ 9.00 1.175 -8.80 1.187/ \ 8.60 1.1958.40 1.2025

\ 8.20 1.208i j 8.00 1.212

1 13*002 7.80 1.215g [ I 7.60 1.215e

/ \/ 7.40 1.215mE! % 7.20 1.213

= 1.16+00 \ f 7.00 1.209; 6.80 1.205;;;; \ / 6.60 1.1975 \ | 6.40_ 1.190g 6.20 1.179= 6.00 1.168

1. H + 0 0 5.80 1.155

\ / 5.60 1.138/ 5.40 1.1266 3

y X 5.20 1.121\ 5.00 1.122

1.12+00 4.80 1.125,

4- I0.00+00 2.00+00 4.00+00 5.00+00 8.00+00 1.00+01 4,

COREHEIGH1(FEET) 4.20 1.1324.00 1.1313.80 1.129

N1C10/VNN(Z)FUNCil0NAT5000-7000 WID/MTUBURNUP 3.40 |2"

3.20 1.1273.00 1.1332.80 1.143

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2.60 1.1502.40 1.1572.20 1.1632.00 1.167

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1.80 1.170


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FIGURE 4 (CONTINUED)' ]N(Z) FUNCTION FOR NIC10 .;

__FROM 7000 to 9000 MWD /MTU BlRNUP ' -|

TOP AND BOTTOM 15 PERCENT EXCLt0ED :

.{AS PER TECH SPEC 4.2.2.2.G

HEIGHT' 'N(Z): ,(FEET)

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-10.20 1.177' ;10.00'- ,1.175- |

1.22+00 '9.80 1.174-'

9.60- -1.172 i,p 9.40- 1.171 !

. 9.'20 cl.171 I-

1.20+00 . \/ 9.00 '1.175 - i8.80 1.187- .\ 8.60 '1.195 |\ 8.40 1.202- '|m '

5 8.20 1;208f k 8.00 1.212t

C 1.18+00 I 1 7.80- 1.215- ;d / I 7.60L 1.215- !,

[ g 7.40- i1.215'"E 7.20: 1 213 |- ,

( j 7.00- -1.209m '1.15+0c \ / 6.80 1.205' :"'

d \ / '6.60.i 1.197'8 \ | 6.40' l'.190 - :'W 6.20' 1.179-E k f -6.00- 1.168- t

1.14+00 i 1 5.801 1.1555.60- 1.138' i

\ 5. 40 '. 1~.126' ^ 5.20' .1.121 -V 5.00- 1.122 !

1.12+00 4.80- 1.1254.60 1.129 .

0.00+00 2.00+00 4.00+00 E.00+00- 8.00+00 1.00401 4.40- l.131 !CORE' HEIGHT (FEET) 4.20- _1.132 ,

4.00 1.1313.80- 1.129- !

.3.60. -1.128

NIC10/VNN(Z)TUNCil0NAT7000-9000 WWD/NTUBURNUP.. 3.40 1.125- ;3.20. 1.127-3.00 ;1.133- i

i2.80- 1.143'2.60 1.1502.40 1.157'

L2.20 -1.163- .|2.00. 1.167._

1.80g -1.170 ;

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FIGURE 4 (CONTINUED)N(Z) FUNCTION FOR NIC10

FROM 9000 to 16900 MWD /MTU BlRNUPTOP Ato BOTTOM 15 PERCENT EXCLUDED


HEIGHT N(Z)(FEET)

10.20 1.17710.00 1.175

1.23+00 9.80 1.1739.60 1.172

[ 9.40 1.1709.20 1.171 ./ \ 9.00 1.175

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8.80 1.1871.21+008.60 1.195

l \ 8.40 1.202mr 8.20 1.208f k 8.00 1.212-;;--

-- .39,oc / \ 7.80 1.215\ 7.60 1.222f>

5 / \ 7.40 1.2277.20 1.229=3 [ I 7.00 1.227e5 1.n+0c \ / (/ 6.80 1.223

6.60 1.215-E 6.40 1.207'S - 6.20 1.1945 \ / 6.00 1.187*

3,15,go ) / 5.80 1.1825.60 1.177

\ N 5.40 1.170/ 5.20 1.157) [ 5.00 1.148

1.13t0D \f 4.80 1.1454.60 -1.146

0.00+03 2.00+00 4.00+00 6.00+00 B . 'v.1+ 0 0 1.00+01 4.40 1.146

COREHEIGHT(FEET) 4.20 1.1464.00 1.1443.80 1.1413.60 1.138

N1C10/VNN(Z)FUNCil0NAT9000-16900 WID/WIUBURNUP 3.40 1.132.

3.20 1.1303.00 1.1342.80 1.1432.60 1.1492.40 1.1562.20 1.1622,00 1.1701.80 1.176

NIC10/VN - Core Operating Limits Report - Rev. 0 (2/93) Page 13 of 15 '

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FIGURE 4 (CONTINUED) ''-

N(Z) FUNCTION FOR NIC10 'FROM 16900 MWD /MTU BlRNUP AM) BEY 02TOP AM) BOTTOM 15 PERCENT EXCLtBED -!I


HEIGHT-- N(Z)(FEET)10.20 1.157 i''

10.00' 1.158 |1.23+00 9.80 1.157 I

% 9.60 1.156_.[ \ ,9.40 1.156 ;9.20. 1.159- . -/ \ 9.00 -1.167- .- >'8.80 1.178-1.21+00l ( -8.40' 1.195

i 8.60 1.187- ,'ccd 8.20 1.200 ;

I f k 8.00 -1.207 !C 1.19+00 / \ 7.80' 1.215 ie \ 7 60' 1.222 - 1'

-/ \- 7.20 '1.229 i'

7.40 1.227" ,E [ k 7.00 1.227 '; i

1.17+0D T / \ 6.80 -1.223' ,O

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/ 6.60. 1.215''

f

8 / j ~6.40- 1.207M 6.20 1.194 ;E k / U 6.00- 1.187- .

1.15+00 \ / 5.80 1.182 .5.60 1.177 ;

\ 5.40 1.170! 5.20 1.157\ /

5.00- 1.148 ~ r'4.80 1.145- ;1.13+004.60 1.146 !

D.00+00 '2.00+00 4.00+00 6.00+00 8.00+00 1.00+01 4.40 1.146 I'

COREHEIGHT.(FEET) 4.20 1.146 ,4.00 1.144- :;3.80 1.141- *

'3.60' 1.138-NIC10/VNN(Z)FUNCil0NAT-16900MVD/WIUANDBETOND 3.40 1.133- -f

3.20 1.130 f. 3 '. 00 - 1.131- .-2.80 1.137' !'2.60 1.145- .;2.40 1.155. '

~ 2.20 - 1.162~ :2.00. 1.170 :

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-1.80 '1.176-.;-

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2.6 Nuclear Enthalpy Rise Hot Channel Factor - FAH(N)and Power Factor Multiplier (Specification 3/4.2.3)

FAH(N) 5 1.49 * (1 + 0.3 * (1 - P))

THERMAL POWER - i

where: P = ----------- ----

RATED THERMAL POWER ,

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Documents

NIC10/VN - Core Operating Limits Report - Rev. 0 (2/93) … · 2020. 4. 10. · NIC10/VN N(Z) FUNCilCN AI 1000-3000 VfD/WiUBURNUP 3.40 1.125;, 3.20 1.135 3.00 1.145 1 2.80 1.154 2.60