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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t i'i CNNE-1553.05-00-0006 Page 1 (Rev. 0) i-O OA @NDITION3 Catawba Nuclear Station COLR za Duke Power Company Catawba Unit 2 Cycle 3 I

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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

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CNNE-1553.05-00-0006 Page 4 (Rev. 0 )

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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)

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Catawba 2 Cycle 3 Core Operating Limits Peport

'l. 0 0.9 7

Ly 0.8

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0.6 Operation peration

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'; of Rated Thermal Power

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i FIGURE 1 MODERATOR TEltPERATURE COEFFICIENT VS. POWER. LEVEL

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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)

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Catawba 2 Cycle 3 Core Operating Limits Report (Fully withdrawn) 228 220 7

BANK B 180 E2 160 (05,152) 2

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O-0 20 40 60 80 100 (Fullyinserted)

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

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10 20 30 40 50 Flux Olfferene.e (All%

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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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= 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

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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 l

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E CNNE-1553.05-00-0006:

Page 12 - (Rev. 0) e r

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

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.L t

q CNNE-1553.05-00-0006.

Page 13 (Rev. 0) s

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c Catawba 2 Cycle 3 Core Operating Limits Report F

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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

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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=

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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 5.40 -

1.2730 i

t I

i a i

4-6 4

i e i i i i 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 6.20 1.3203 3

t I i I 4 I i i I 6.40 1.3366 i

i I

6 i i t

i i i i 6.60 1.3433 i i l,

1.16 6.s0 1.3476-j, -

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 j i 1-t I t I i j

7.60 1.3200 i.

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 j

8.40 1.2579-

, i g i j,

3 i j j

j 8.60 1.2450 I

i i i 1

1 I i i i i i

i t 8.80 1.2396 6

i i

1 I

-l i i i ~ l i t i i

)

9.00 1.2395 9.20 1.2400 e i j i e i i i,'

, i i,

9.40 1.2402 i

o-1.08 i ? t t

6 4

6

-t i

i !

t i I 9.60 1.2359 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 1

i i

t i

i ! I i t i

t i 1 i

=

10.40 1.0000

,.f 10.60 1.0000 4

i i i i e i i i e i i i i i i 1.04

+ 10.80 1.0000 I

' I i 1 '

! ! l 11.00 1.0000 6

I I

i

! i i e I i l I

11.20 1.0000 11.40 1.0000 i.

t i

I i

)

n 1 i j l 1 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 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 o

r-2

-.-= ------ - - -- -

+

e

,1

-8 :

0 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 - FAH (Specification 3/4.2.3) r N

i FAH R=

RTP F

'(1 + MF

(1-P))

3g 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

M

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

Catawba 2 Cycle. 3 Core ' Operating Limits Report i

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

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,,,,"

39.0.

iii..

i.......,,,

,33, gt.og i' R

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

I (1. 000. 38. 760) ~

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

i R. I.Sk.'d. I.CT. E.D. $. PE3..i.10. !k.,'RE, d,I,ON,,,,.

38.3 -

.s t

u

.,,4

- e POWER < 982 RTP'.

ei...,,,',,.

i 8

(0.994.38.372

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

s..

PoWra s. f T T I r s

.,,,.... : ' ',9.

96 RTP 4

i l'

38.0 e

(0

=

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

l l

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

l-se w......ii........

l-g-

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

. h=.

37.5 -

(0.982,37.,597,).

r

'i i

i 8

a RESTRICTED OPERATION s

+

O.

RECION 3

- POWER 1 922 RTP

'[

u o

+.

..r U'

(0.977,37.210}'

RESTRICTED'O'PERITICE[

- RECION s

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

ii i.......

(0 i,.,9,71,,3,6. 8,22 )

m i.

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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