ML20092F436

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Proposed Tech Specs,Modifying Notation for Overpower Delta Temp RT Heatup Setpoint Penalty Coefficient as Delineated in Note 3 on Pp 2-10,in Order to Make Nomenclature Consistent w/NUREG-0452,Rev 4
ML20092F436
Person / Time
Site: Catawba  Duke Energy icon.png
Issue date: 09/13/1995
From:
DUKE POWER CO.
To:
Shared Package
ML20092F434 List:
References
RTR-NUREG-0452, RTR-NUREG-452 NUDOCS 9509180180
Download: ML20092F436 (3)


Text

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t EE 8 9 TABLE 2.2-1 (Continuet.

$$ g TABLE NOTATIONS (Continued)

E KO g NOTE 3:

(Continued) g4 i

o$ E K,

Overpower AI reactor trip heatup setpoint penalty coefficient as presented in y @ $ Q*

the Core Operating Limits Report for I >6 and K, = 0 for T g 19BFN2F, ow T"

T"

~

"U T

As defined in Note 1, n

Indicated T a

instrumentaIYon,t RATED THERMAL POWER (Calibration temperature for AT T"

s 590.8*F),

t As defined in Note 1, 1

5 and f (AI) is a function of the indicated differences between top and bottom detectors 2

of the power-range neutron ion chambers; with gains to be selected based on measured instrument response during plar.t startup tests such that:

(i) for q, - g between the " positive" and " negative" f (AI) breakpoints as presented in y

ro 2

.L the Core Operating Limits Report; f (AI) - 0, where q, and q, are percent RATED c>

2 THERMAL POWER in the top and bottom halves of the core respectively, and q, + q, is total THERMAL POWER in percent of RATED THERMAL POWER;

- q, is more negative than the f

(

for each percent AI that the magnitude of q, Operating Limits Report, the AT fr(AI)

(ii)

" negative" breakpoint presented in the Core ip J

Setpoint shall be automatically reduced by the f (AI) " negative" slope presented in 5

2 the Core Operating Limits Report; and

" positive"breakpointpresentedinthekore\\eratingLimitsReportthe2T(AI) for each percent Al that matpitude of q -

is more positive than the f

(

(iii)

Trip

{G Setpoint shall be automatically reduced by the f (AI) " Positive" slope presented in 2

the Core Operating Limits Report.

j-EE 33 NOTE 4:

The channel's maximum Trip Setpoint shall not exceed its computed Trip Setpoint by more than 3.0% (Unit 1) and 3.3% (Unit 2) of Rated Thermal Power.

co m

a 6

e e

REPRINTED TECHNICAL SPECIFICATION PAGES

c, 23 TABLE 2.2-1 (Continued)

TABLE NOTATIONS (Continued) ao

(

(~

NOTE 3:

(Continued)

}

Overpower AI reactor trip heatup setpoint penalty coefficient as presented in l

ji K.

=

a the Core Operating Limits Report for T > T" and K = 0 for T s T",

l vs As defined in Note 1, T

i

=

2 Indicated T,,,, at RATED THERMAL POWER (Calibration temperature for oI r*

T"

=

instrumentation, s 590.8 F),

As defined in Note 1, S

=

t and f CaI) is a function of the indicated differences between top and bottom detectors 2

of the power-range neutron ion chambers; with gains to be selected based on measured instrument response during plant startup tests such that:

to l

(i)

For q, - q, between the " positive" and " negative" f (aI) breakpoints as presented in 2

the Core Operating Limits Report; f (AI) = 0, where q, and q, are percent RATED c) 2 THERMAL POWER in the top and bottom halves of the core respectively, and q, + q, is tota! THERMAL POWER in percent of RATED THERMAL POWER; (ii)

For each percent AI tha; the magnitude of q, - q, is more negative than the f 0al) 2 l

" negative" breakpoint presented in the Core Operating Limits Report, the 61 Trip jrit Setpoint shall be automatically reduced by the f (AI) " negative" slope presented in 2

@g the Core Operating Limits Report; and (iii)

For each percent AI that the magnitude of q, - q, is more positive than the f (AI) 2

" positive" breakpoint presented in the Core Operating Limits Report, the oI Trip Efif Setpoint shall be automatically reduced by the f (AI) " positive" slope presented in 2

the Core Operating Limits Report.

j i

NOTE 4:

The channel's maximum Trip Setpoint shall not exceed its computed Trip Setpoint by more 1212 than 3.0% (Unit 1) and 3.3% (Unit 2) of Rated Thermal Power.

l E. E.

i ne i

i

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