ML17300A817

Proposed Tech Spec Table 2.2-1 Revising Table Notation (8) to Provide Lower Limit to Rate at Which Variable Overpower Trip Setpoint Decreases as Reactor Power Decreases

ML17300A817
Person / Time
Site:	Palo Verde
Issue date:	05/04/1987
From:	ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:
Shared Package
ML17300A812	List: ML17300A817
References
TAC-65301, TAC-65302, TAC-65303, NUDOCS 8705110138
Download: ML17300A817 (4)

Text

tOWmOLLED eV %SEE REACTOR PROTECTIVE INSTRUMENTATION TRIP SETPOINT LIHITS TABLE NOTATIONS (Continued)

(6) RATE is the maximum rate of decrease of the trip setpoint. There are on the rate at which the setpoint can increase. no'estrictions FLOOR is the minimum value of the trip setpoint.

BANG is the amount by which the trip setpoint is below the input signal unless limited by Rate or Floor.

Setpoints are based on steam generator differential pressure.

(7) 'The setpoint may be altered to disable trip function during testing

()

pursuant to Specification 3. 10.3.

i CEILING i f<<

is the maximum value of the trip setpoint.

i . n BAND is the amount by which the trip setpoint is above the input signal unless limited by the rate or the ceiling.

(9) X of the distance between steam generator upper and lower level narrow range instrument nozzles.

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CGNTRGILk.EP BY U ~IR REACTOR PROTECTIVE INSTRUMENTATION TRIP SETPOIHT LIMITS TABLE NOTATIONS (Continued)

(6) RATE is the maximum rate of decrease of the trip setpoint. There are no restrictions on the rate at which the setpoint can increase.

FLOOR is the minimum value of the trip setpoint.

BAND is the amount by which the trip setpoint is below the input signal unless limited by Rate or Floor.

Setpoints are based on steam generator differential pressure.

(7) The setpoint may be altered to disable trip + nction during testing pursuant to Specification 3. 10.3.

(8)

~wisc-t4on~n-the-r-ate-at-whee~the-seep RATE CEILING the maximum is the rate of increase of the trip setpoint.

maximum value of the trip setpoint.

Mere-ave-no-gy~~> st~i.c.

BAND is the amount by which the trip setpoint is above the input signal unless limited by the rate or the ceiling.

(9) X of the distance between steam generator upper and lower level narrow range instrument nozzles.

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0 CONTROLLED BY USER TABLE 2. 2-1 (Continued)

REACTOR PROTECTIVE IHSTRUMEHTATION TRIP SETPOIHT LIMITS TABLE NOTATIONS (Continued)

(6) RATE is the maximum rate of decrease of the trip setpoint. There are no restrictions on the rate at which the setpoint can increase.

FLOOR is the minimum value of the trip setpoint.

BAND is the amount by which the trip setpoint is below the input signal

~un ess limited by Rate or Floor.

Setpoin's are based on steam generato; differential pressure.

(7) The setpoint may be altered to disable trip function during testing pursuant to Specification 3.10.3.

(8) RATE is the maximum rate of increase 'of the trip setpoint. ~ere-a~o-n-t4e-rate-at-wM-eh-the-setpo i.ni-aa~~ease; CEILING is the maximum value of the trip setpoint.

BAND is the amount by'hich the trip setpoint is above the input signal unless limited by the rate or the ceiling.

(S) X of the distance between steam generator upper and lower level narrow range instrument no;zles.

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