ML20082S413

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Core Operating Limits Rept for Reload 2,Cycle 3, Rev 1
ML20082S413
Person / Time
Site: Clinton Constellation icon.png
Issue date: 09/11/1991
From:
ILLINOIS POWER CO.
To:
Shared Package
ML20082S373 List:
References
NUDOCS 9109170130
Download: ML20082S413 (14)
v • d • e


Text

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ILLINDIS POWER COMPANY i

CLINTON l'0WER STATION {

t CORE OPERATING LIMITS REPORT i FOR L

REIAAD 2 CYCLE 3 REVISION 1 f

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INDEX INTROUJCTION AND SU>iMARY LIMITS APPLICABLE TO TECilNICAL SPECIFICATION 3/4.2.1 Average Planar Linear }{ cat Generation Rate j

I LIMITS APPLICABLE TO TECilNICAL SPECIFICATION 3/4.2.3 Minimum Critical Power Ratio LIMITS APPLICABLE TO TECilNICAL SPECIFICATION 3/4.2.4  :

Linear lleat Generation Rate '

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Introduction and Summary i,

The CORE OPERATING LIMITS REPORT is the Clinton-specific  ;

document that provides the values of the AVERAGE PLANAR ,

LINEAR HEAT GENERATION RATE (APLHGR) limits, the core  ;

flow dependent MINIMUM CRITICAL POWER RATIO (MCPR) limits I (MCPRr), the thermal power dependent MCPR limits (MCPRp ), 4 and the LINEAR-HEAT GENERATION RATE (LHGR) limits for tho [

current operating reload cycle. These cycle-specific i core operating limits are determined for each reload  !

cycle in accordance with Technical Specification 6.9.1.9. i' Per the Technical Specification those values have beun determined using NRC - approved methodology and are  ;

established such that all applicable limits of the plant i safety analysis are met. Plant operation within these -

r operating limits is addressed-in the applicable Technical  !

Specifications.  !

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e LIMITS APPLICABLE TO TEClINICAL SPECIFICATION 3/4.2.1  :

i POWER DISTRIBUTION LIMITS l i

AVERAGE PLANAR LINEAR llEAT GENERATION RATL All AVERAGE PLANAR LINEAR llEAT GENERATION RATES (APLilGRs) for each type-of fuel as a function of AVERAGE PLANAR  !

EXPOSURE shall not exceed the limits as determined below! j a.- During two-recirculation loop operation - the limits l shown-in Figurca 2.1-3 through 2.1-6 multiplied by  ;

the smaller of either the flow-dependent MAPLJIGR l factor (MAPFAct) of Figure 2.1-1 or the powor-  !

dependent MAPLilGR factor (MAPFAC p) of Figure _2.1-2.

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-b. During single rocirculation loop _ operation - the i limits shown in Figures 2.1-3 through 2.1-6  !

multiplied by the smallout of MAPFACg, MAPFACp-or a j factor of 0.85.

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a Figure 2.1-6 AVERAGE PLANAR EXPOSURE ( mwd /t )

Maximum Average Planar Linear Heat Generation Rate QiAFLHGR)

Versus Average Planar Exposure - Reload 2 Fuel Type BP8 SRB 299LA

1 LIMITS APPLICABLE TO TECHNICAL SPECIFICATION 3/4.2.3 POWER DISTRIBUTION LIMITS MINIMUM CRITICAL POWER RATIO The MINIMUM CRITICAL POWER RATIO (MCPR) shall be equal to or greater than both the MCPRf limits at indicated core flow and THERMAL POWER as shown in Figure 2.2-1 and the MC p limits at indicated core flow and THERMAL POWER and AT{R as shown'in Figure 2.2-2.

  • This tVP refers to any reduction of rated feedwater

. temperature (420'F), such as prolonged removal of feedwater heater (s) from service with both reactor recirculation loops in operation.

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4 4 1 i + 6 1

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+

44 #

n 4 i 4 Ii 6 ,

) e ( 4## 4i , e

( i i . } Ii f f i4 T6 I

( ,

M 1

+t i i e ii>+ ti i 6i44t 6 1 44 1 i ti f ob t i

Ii4 1 i

O i

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1 l

(

i i 4#

)e 6

6t i 6# + i i ) i 16

_PT.4 $

' ' i 6tt 4i i t if -

i i i 6 4t

  • 0 ' ' ' i i 66 ~, 4 I6i W {t_

6 40 ' ' ' t i 60 80

' * * ' '( '( F] I 100 1: 0 COP 4 RCW (% ra ted. F Figure 2.2-1 Clinton MCPR f Versus Core Flev CUNTON - UNIT 1

. ~' s-T 4

4 2.4

. . . 4 .,, ,

a 4 i .

i.,4 i . . . . .

. 4 I

t I . 1 I

0 .

- I  !

4 i i i

t 4 . 6 .I , ,

t 8 ,

ai44ie1 i ,

s( i4 1 , ( i,is i ,

. - THEAMAL POWER 25%. s P s 40% i

  • 2.2 f CORE FLoy/ > 50% *' i

,' -ucep ' '

, e. ,

prr p . 2.10 r \

+ 0.0,033.-(40 - P1

, > =

% s' i i i NQ l l IN t i I 4 4 -

1 . , i

\!( 4 i

  • , THERMAL POWER 25% s P g 40%

'"O / r CORE FLOW s 50% ,

. . . '\ ' ,i N </ MCPAp i,

= 1.85 + 0.0133 (40 - P1. .

u i.

1 ,

, , i .

.i Ai 4 . . ..

i+

3 . ..

4 x, . .

.i A . ..

4-  : .

.1.8 '

4 e --

i .

e c '

e.

U 2

1.6 THEhMAL POWER 40% < P s 70%

, < MCPep = 1.43 + 0.0045 (70 - P1

s. ..

x ,

' e

/

vi .

'N i 'gi 1.4 '

f

,x

's x

.r %.

/ 'N 1.2 ' A A f A

. , . , ,. A. 4 . x

~ THERMAL Pt7wCA P > 70%

. MCPep - 1.18 + 0.0059 (100 - P1-i  !

1.0 ' - '

l 0 20 1

M CO 80 l 100 120 l

CORE THERMAL PCW,.R (% eated. P Figure 2.2-2 Clinton F.CPR P Versus Power for AT .< 500F and Core Flov .< 107%

' CUNTON - UNIT 1 i

13

( .

j- .

L:

.e, LIMITS APPLICABLE TO TECHNICAL SPECIFICATION 3/4.2.4

-POWER DISTRIBUTION LIMITS LINEAR HEAT GENERATION RATE The LINEAR HEAT GENERATION RATE (IllGR) shall not exceed 13.4 kW/ft.

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f i

,

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