Text

Rev 0 to Catawba Unit 2 Cycle 3 Core Operating Limits Rept.
	ML20043E770
Person / Time
Site:	Catawba
Issue date:	02/28/1990
From:	Bortz D, Clark R, Randles J; DUKE POWER CO.
To:	;
Shared Package
ML20043E762	List: ML20043E761; ML20043E770; ML20043E810;
References
	CNNE-1553.05, CNNE-1553.05--6, CNNE-1553.05-00, CNNE-1553.05-00-0006, NUDOCS 9006130369
	Download: ML20043E770 (16)
	v • d • e

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6$- t i'i CNNE-1553.05-00-0006 i- Page 1 (Rev. 0)

O

OA @NDITION3 Catawba Nuclear Station COLR za Duke Power Company Catawba Unit 2 Cycle 3 I

Core Operating Limits Report

, Revision 0 February 1990 .,

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' Catawba 2 Cycle 3 Core Operating Limits Report 1.0 Core Operating Limits Report This Core Operating Limits Report (COLR) for Catawba Unit 2 Cycle 3 has been prepared in accordance with the requirements of Technical Specification 6.9.1.9.

The technical-specifications affected by this report are listed belows 3/4.1.1.3 Moderstor Temperature Coefficient 3 /4.1.3. 5 Shutdown Rod Insertion Limit 3/4.1.3.6 Control Rod Insertion Limit 3 /4. 2.1 Axial Flux Dif ference 3/4.2.2 Heat Flux Hot Channel Factor 3/4.2.3 Reactor Coolant System Flow Rate and Nuclear Enthalpy Rise Hot Channel Factor

's) t C/

e . i L

CNNE-1553.05-00-0006 !

Page 4 (Rev. 0 )

( )

LJ Catawba 2 Cycle 3 Core Operating Limits Report 2.0 Operating Limits >

The cycle-specific parameter limits for the specifications listed in section 1.0 are presented in the following subsections. These limits have been developed using NRC-approved methodologies specified in Technical Specification 6.9.1.9 2.1 Modcrator Temperature Coefficient (Specification 3/4.1.1.3) 2.1.1 The Moderator Temperature Coefficient (MTC) Limits are:

The MTC shall be less positive than the limits shown in Figure

1. (The BOL/ ARO/HZP-MTC shall be less positive than 0.7 x 10-4

, LK/K/*F).

52 The EOL/ARO/RTP-MTC shall be less negative than -4.1 x 10-4 tK/K/9F.-

2.1.2 The MTC Surveillance Limit is:

The 300 PFM/ARO/RTP-MTC should be less negative than or equal to

-3.2 x 10 -4 tK/K/ T.

F Where: BOL Stands For Beginning Of Cycle Life ARO Stands For All' Rods Out ,

HZP Stands For Hot Zero THERMAL POWER EOL Stands For End Of Cycle Life RTP Stands For RATED THERMAL POWER

(~)

%)

. i,'

CNNE-1553.05-00-0006 Page 5 (Rev. 0)

,~

Catawba 2 Cycle 3 Core Operating Limits Peport ,

'l . 0 7 0.9 _

L y 0.8 _

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Acceptable Unacceptable j 0.6 _ Operation peration

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'; of Rated Thermal Power {

i FIGURE 1 MODERATOR TEltPERATURE COEFFICIENT VS. POWER. LEVEL

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- . . l.

CNNE-1553.05-00-0006 Page 6 (Rev. 0)

LO Catawba 2 Cycle 3 Core Operating Limits Report 2.2 Shutdown Rod Insertion Limit (Specification 3/4.1.3.5) ,

t 2.2.1 The shutdown rods shall be withdrawn to at least 228 steps.

i 2.3 control Rod Insertion Limits-(Specification 3/4.1.3.6) 2.3.1 The control rod banks shall be limited in physieni insertion as shown in Figure 2.

2.4 Axial Flux Dif ference (Specification 3/4.2.1) 2.4.1 The AXIAL FLUX DIFFERENCE (AFD) Limits are provided in Figure 3.

2.4.2 The target. band during base load operation is not applicable for Catawba 2 Cycle 3.

ND 2.4.3 The minimum allowable power level for Base Load. Operation (APL )

is not applicable for Catawba 2 Cycle 3.

OL

CNNE-1553.05-00-0006 Page 7 (Rev. 0)

. .O h

Catawba 2 Cycle 3 Core Operating Limits Report (Fully withdrawn) 228 -

220 7

BANK B

180 .

E 2 160 (05,152) 2 ,

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40' -

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0 20 40 60 (Fullyinserted) 80 100 Relative Power (Percent)

O FIGURE 2 Control Rod Bank Insertion Limits vs. percent FATED 'IEEPMAL POWER

CNNE-1553.05-00-0006 Page 8 (Rev. 0) 1 Catawba 2 Cycle 3 Core Operating Limits Report s

Y B a s )

I I20,100) > (10, 1001 UNACCEPTABLE UNACCEPTABLE OPERATION OPERATION

" ~

ACCEPTABLE OPERATION 60 -

O (21, 50) l ( 36. 50) 40 -

20 -

I I I I I

! I I r o 50 10 0 10 20 30 40 l' 50 -40 30 20 Flux Olfferene.e (All%

J FIGURE 3 Axial flux Dif ference Limits As A l' Function Of RATED THER!1AL POWER LO L

- . . - - . . . ~ . . . .. --- ~ ..

, ; y _ -:,[ ' i[

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s i l CNNE-1553.05-00-0006 !

Page 9 (Riv. 0) .

4

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Catawba 2 Cycle 3 Core Operating Limits Report '1

.2.5 Heat Flux Hot Channel Factor - F (Z) (Specification 3/4.2.2)

.., Q

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RTP . f F-(Z) < F

K(Z) for P> 0.5 -l Q .. Q ;

--, a RTP F (Z) < F

K(Z)' for P < 0.5 Q Q 0.5 i

where P = THERMAL POWER 'i RATED THERMAL POWER -[

-- i

" t RTP-2.5.1 F. := 2.32

'Q ,

2.5.2 K(Z) is.provided in Figure 4 2.5.3 . W(Z) values are provided in Figures 5 through 8.

2.5.4 -Base load W(z)'s are not applicable for Catawba 2 Cycle 3 1

l l

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s CNNE-1553.05-00-0006 Page 10 (Rev. 0)

O Catawba 2 Cycle 3 Core Operating Limits Report 1.50

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i CNNE-1553.05-00-0006 Page 11 (Rev. 0)

Catawba 2 Cycle 3 Core Operating Limits Report .

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CATAWBA UNIT 2 CYCLE 3 RAOC W(Z) AT 150 MWD /MTU

0P AND BOTTOM 15% EXCI,UDED AS PER TECH SPEC 4.2.2.2.G

. ,, ~

E CNNE-1553.05-00-0006:

Page 12 - (Rev. 0) e -

r ;

Catawba 2 Cycle 3 Core Operating Limits Report HEicuT MOL (FEET) W(U 1.36

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11.20 1.0000 i , i i i i i i t i i i j i t t

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'1.00 0 2 4 6 8 10 12 ;

bottom CORE HEIGHT (I*EET) top

~

A, FIGUPZ 6 CATAWBA UNIT 2 CYCII 3 RAOC W(Z) AT 6000 MWD /MTU k

=

TOP AND ECTTOM 15% EXCLUDED AS PER TECH SPEC 4.2.2.2.G

t .L q

CNNE-1553.05-00-0006.

Page 13 (Rev. 0) -!

s

[ c Catawba 2 Cycle 3 Core Operating Limits Report ,

F i

HK! HT '90L -!~

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1.20 1.0000 l'

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9.40 1.2243 i I i t i i 4 i i i ' i I I i 9.60 1.2225

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i i i i i 10.00 1.2160 1 i i 10.20 1.2154 i i I I i l i > I i l I I i t i

10.40 1.0000 i i i i j f i i i i i i i . # , '

10.60 1.0000 1.04 10.80 1.0000 4 i i i i I i . i i I i i I i I 1 a 11.00 1.0000 i i l i I i= l l >

1 1 4 ! I i i i I '

11.20 1.0000

-i I i i 1 l l t i i i i i i t t -i ~

11.40 1.0000 11.t0 1.0000 i I i ! i i t i I i i i 1 -i i i t .

$1.80 1.0000 !

! i i t i e i i t i i i i i

12.10 '1.0000 0 2 4 6 8 to 12 bottem CORE HEIGHT (FEET) 0,op FIGURE 7 CATAWBA UNIT 2 CYCLE 3 i RAOC W(Z) AT 10000 MWD /MTU TOP AND BOTTOM 1H EXCUJOED A3 PER TECH SPEC 4.2.2.2,G l l

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, 1 CNNE-1553.05-00-0006 Page 14 (Rev. 0)

Catawba 2 Cycle 3 Core Operating Limits Report HEfGHT EOL (FEETl= W(El 1

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. i i esl 1 1 I i l i i i ! i i 1 .

I i-i e t i * ' ' i i 5.00 1.2752

, i- t , i i i i i i t 5.20 1.2716 1.20 e i i i i i 5.40 - 1.2730 <

i . t I i a i 4- 6 . 4 i 1.60 1.2049 i i 1- ) -l i I i i t t i 4 -! t 5.80 1.3023 ti i r i i I 6 i I e : e t i l' 6.00 . 1.3174 3 6.20 1.3203 t I i ! I 4 I i i I ! ! 6.40 1.3366 i

. i i i I 6 i i t i i i i 6.60 1.3433 l, 1.16 , , , j ,- -, , , , ,

6.s0 1.3476-7.00 1.3403 i i I ! I I I i ! i 7.20 1.3452 i i i i i i i i i I I i 7.40 1.3306 i . i. I I i j i 1- t I t I i j 7.60 1.3200 7.80 1.3133 i i I -i i 1 -i t t :- i i "

8.00 1.2953 1.12 , , , , , ., , , , , , , ,. 5 i s.20 1.2750

, 3 i j j j , j , , i g i j , 8.40 1.2579-8.60 1.2450 6

I i i i 1 1 I i i i i i i t 8.80 1.2396 i i 1 I -l i i i ~ l i t i i ) ! 9.00 1.2395 e i j i e i i i ,' , i i , 9.20 1.2400

o- 1.08 . 9.40 1.2402 i i ? t t 6 4 6 -t i .

i ! t i I 9.60 1.2359 '

l e e i i i e t i i . i ; i 9.80 1.2303 10.00 1.2269

! ' I ! ' i

! I ! ! 10.20 1.2229 i i 1 i

,. 1 i t i i ! I i t i t =

10.40 1.0000 f 4 i i i i e i i i e i i i i i i

10.60 1.0000 1.04 ' ' ' ' I i

+ 10.80 1.0000

! I 1 ' ! ! l .

11.00 1.0000 6 I ! I i ! i i e I i l I

11.20 1.0000 i . t i I i -

) n 1 i j l 1 ' 11.40 1.0000 11.60 1.0000

,t. 6 i ! l ! 6 i i i i t i I I i

11.80 1.0000 i i i l- t i i i i i >

I i i e 12.00 1.0000 0 2 4 6 8 to 12

3attom CORE HEIGHT (TEET) top FIGURE 8 1

l CATAWBA UNIT 2 CYCLE 3 RAOC W(Z) AT 12800 MND/MTU TOP AND BOTTOM 15% EXCLUDED AS PER TICH SPEC 4.2.2.2.G ,

1 o

r- - . . - . - -+ 2 --- _ _. .-.-- _-.-= ------_- - -- - _ _ - _ - - _ _ . - - - - - -

e ,1

-8 : 0 l CNNE-1553.05-00-0006 Page !$ (Rev. 0)

,~.

4 Catavba 2 Cycle 3 Core Operating Limits Report r N

2.6 RCS' Flow Rate and Nuclear Enthalpy Rise Hot Channel Factor - F AH (Specification 3/4.2.3) r N i FAH R=

RTP F 3g *'(1 + MF * (1-P))

AH where: P = THERMAL POWER RATED THERMAL POWER

[

N]- . -

RTP 2.6.1 F AH

= 1+49 e

2.6.2 MF AH = 0.3 2.6.3 The Acceptable Operation Region from the combination of Reactor Coolant System total flow and R is provided in Figure 9. l l

)

l, l

l l

L/

l l

l

7 M :- ' ,

CNNE-1553.05-00-0006 Page 16 .(Rev. 0)

Catawba 2 Cycle. 3 Core ' Operating Limits Report i

i POIALT!!I DF O.1% POR UNDETICTED FREDWATER VENTURt f? -

P04ttiple AND MEASUREMENT UNCERTAINTIES OP 3.1% POR l PLO W AND 4.8% POR INCORE MEASUREMENT OF PL AAE .

INCLUDED IN THIS PISURE -

t

., i .

i...... ,e .. .. .. ..

.' ' . ' . PER. M. I.SS. I.B,LE, , ,,,,*.- .

.. .I PR. O.HIB, I,TE, D, , .,

i

.. . i i ..ii....... . .

... ,OP, E, R,AT. I.O.N , , , , e .

. . .. , O, PERA. T.IO. N , , , ,"

iii.. ....

39.0. . .

. .... i.......,,,

,* . ,33, gt.og.

i',i,E.GIO.N....,,

R .

I .. ....

I ,*i...i.......,

(1. 000. 38. 760) ~

......,.,,,M i % -

38.3 - R. I.Sk.'d. I.CT. E.D. $. PE3. .i.10. .s

!k.

,'RE, d,I,ON, , , , .

u

- .,,4 t.

e POWER < 982 RTP'. ' ' .' ' .' .

i ei...,,,',,. ,

8 .

' ' ' (0.994.38.372 ')' '

. iEstliz'CE $PEUTION dcIS ' ' 'WS s.. ' ' ' ' ' :

. 96 RTP .,':

PoWra s. f T T I r. ,s , , . . . . :.' ,,',9 . .

4 . i l' 38.0 ,,.,

e

=

(0

. . . 988 37,. t 9, 8,5,) ,,,

l l-l

,. .;,.; REST. R.ICT. E.D. O.P.ER. A.T.IO.N.

R. E.G.IO...N. ,s

! se . w ......ii........ . ., .

l-t g- .

A. . P.O.WE.1. 1. , ,9,4 % , R,TF. *.. 1 . < . . ,... ..

. h= . ,

37.5 - -... ..... .......;

r (0.982,37.,597,)

..... i . .. .. i 'i 8 . a RESTRICTED OPERATION s + .

O. .

RECION 3 ' ' ..'.

u o

- POWER 1 922 RTP

- +. ..

'[

..r , , .,,.,,,.

U' ..... (0.977,37.210}' ''

RESTRICTED'O'PERITICE[ .

s - - RECION s '.. -

P,OWER ii 1. 9,0%, 4R,TP, [i i....... ,.-

m i (0

, .,9,71, ,3,6. i.

. . ..... .. . , 8,22 .

) . .. .,.

36.5 -

... . , . .. r 6 4 4 e 6 e s 4 0.95 0.96 0.97 0.98 0.99 1.00' 1.01 1.02 O

R=F"AH /FAR [1+MFAH(1-P)]

E'IGURE 9 RCS I'IM PATE VERSES R - FOUR ICOPS IN OPERATION o<

,, , , . . - . . - - , - ,

ML20043E770

Text

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