ML17300A268

Proposed Tech Spec Tables 2.2-1 & 3.3-2 Re Spurious Reactor Trips & Lower Transient Condition

ML17300A268
Person / Time
Site:	Palo Verde
Issue date:	07/23/1986
From:	ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:
Shared Package
ML17300A267	List: ML17300A266 ML17300A268
References
TAC-62002, TAC-62003, NUDOCS 8607250089
Download: ML17300A268 (10)

Text

TABLE 2.2-1 m REACTOR PROTECTIVE INSTRUMENTATION TRIP SETPOINT LIMITS m

6 FUNCTIONAL UNIT TRIP SETPOINT ALLOWABLE VALUES a

I. TRIP GENERATION A. Process

1. Pressurizer Pressure - High < 2383 psia < 2388 psia 2~ Pressurizer Pressure - Low > 1837 psia (2) > 1822 psia (2)

3. Steam Generator Level - Low > 44.2% (4) > 43.7% (4)

4. Steam Generator Level - High < 91.0% (9) < 91.5% (9)

5. Steam Generator Pressure - Low > 919 psia (3) > 912'psia (3}

6. Containment Pressure - High < 3.0 psig < 3.2 psig

7. Reactor Coolant Flow a.

b.

Rate floor

- Low

<>.asfo))(so.c.

f

('L.'B o. h, ll>>f's'~~

~ ~ < ~Mfa

> &~&(6)(7)

(6)(7) <

~BMfo- (6) (7)~ c>.a'b

~%-(6)(7)

Bn( Isa<.

~44 l p>>4

c. Band <+H)M (6)(7) <~~(6}(7) ~tC.2. p~ 4

8. Local Power Density - High < 21.0 kM/ft (5) < 21.0 kM/ft (5)

9. DNBR - Low > 1.231 (5) > 1.231 (5)

B. Excore Neutron Flux

l. Variable Overpower Trip

a. Rate < 10.6%/min of RATED < 11.0%/min of RATED THERt1AL POWER (8) THERMAL POWER (8)

b. Cei 1 ing < 110.0% of RATED < 111.0% of RATED THERMAL POWER (8) THERMAL POMER (8)

c. Band < 9.8% of RATED < 10.0% of RATED THERHAL POWER (8) THERMAL POWER (8) 86m'2 5OQ89 pDR 00<< 8go~2p i~La 05000SDS PDB

f 1

I A,

IP

TABLE 2.2-1 (Continued)

REACTOR PROTECTIVE INSTRUMENTATION TRIP SETPOINT 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.

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

Ol sa, ~amM awa. Kaama ow 'K ~gaea~oEcr civet ~kwmkP~%K~

(?) 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. There ar'e no restrictions on the rate at which the setpoint can decrease.

CEILING is the maximum value of the trip setpoint.

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.

PALO VERDE - UNIT 1 2"6 gag TPGILILEG BY USIEIR

TABLE 3.3-2 REACTOR PROTECTIVE INSTRUMENTATION RESPONSE TIMES FUNCTIONAL UNIT RESPONSE TIME I. TRIP GENERATION A.', Process

'.1. Pressurizer Pressure - High Pressurizer Pressure - Low

3. Steam Generator Level - Low

< 1 15 seconds 1.15 seconds 1.15 seconds Steam Generator Level - High < 1 15 seconds

5. Steam Generator Pressure - Low < 1.15 seconds

6. Containment Pressur e High < 1.15 seconds

7. Reactor Coolant Flow - Low < 0~ seconds.58 Local Power Density - High

a. Neutron Flux Power from Excore Neutron Detectors < 0.75 second"

b. CEA Positions < 1.35 second""

c. CEA Positions: CEAC Penalty Factor < 0.75 second""

9. DNBR Low

a. Neutron Flux Power from Excore Neutron Detectors < 0.75 second"

b. CEA Positions < 1.35 second**

C. Cold Leg Temperature < 0.75 second¹¹

d. Hot Leg Temperature < 0.75 second¹¹

e. Primary Coolant Pump Shaft Speed < 0.75 second¹

f. Reactor Coolant Pressure from Pressurizer < 0.75 second¹¹¹

g. CEA Positions: CEAC Penalty Factor. < 0.75 second**

B. Excore Neutron Flux Variable Overpower Trip < 0.55 second"

2. Logarithmic Power Level - High

a. Startup and Operating < 0.55 second"

b. Shutdown .< 0.55 second*

TABLE 2. 2-1 REACTOR PROTECTIVE INSTRUMENTATION TRIP SETPOINT LIMITS

(

rn C) FUNCTIONAL UNIT TRIP SETPOINT ALLOWABLE VALUES m

I. TRIP GENERATION A- A. Process 0- 1. Pressurizer Pressure - High Pressurizer Pressure - Low

< 2383 psia <= 2388 psia z 2.

3. Steam Generator Level - Low 1837 psia (2) 44.2X (4)

> 1822 psia (2)

> 43.7X (4)

4. Steam Generator Level - High < 91.0X (9) < 91.5X (9)

5. Steam Generator Pressure - Low > 919 psia (3) >.912 psia (3)

Containment Pressure - High

'c

< 3. 0 psig < 3.2 psig F Reactor Coolant Flow - Low lTl ~

7.

M

a. Rate w.x'\6 pm'~~ NA (6)(7) 8M (6)(7)w- n 4lh.p~'i/>~~ U

~& ~

Q7 b.

c.

8.'ocal Floor Band Power hk. 9 @sic,

.OP~ ~

Density - High

~ > ~N-(6)(7)

<~W-(6)(7)

< 21.0 kW/ft (5)

> (6) (7)

< ~.-15 (6) (7)

< 21.0 kW/ft (5)

~ ) i.g pai h lO.Z q~'~

gy

9. DNBR - Low > 1.231 (5) > 1.231 (5)

C:

tA B. Excore Neutron Flux lTI 1. Variable Overpower Trip ig a. Rate < 10.6X/min of RATED < 11.0X/min of RATED THERMAL POWER (8) THERf/AL POWER (8)

b. Cei 1 ing < 110 OX of RATED < 111.0X of RATED THERMAL POWER (8) THERMAL POWER (8)

c. Band < 9 8X of RATED < 10.0X of RATED THERMAL POWER (8) THERMAL POWER (8)

H 1

CCNTROLLED BY USR TABLE 2. 2-1 (Continued)

REACTOR PROTECTIVE INSTRUMENTATION TRIP SETPOINT 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.

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

Ol Ol qc Pcs <<~ 4 <<<<<<g <<a4~~Ga cr <<k<<~ Ci~<<~<<~U~L pc<<mwa (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. There are no restrictions on the rate at which the setpoint can decrease.

CEILING is the maximum value of the trip setpoint.

BANO is the amount by whi.ch 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.

PALO VERDE - UNIT 2 2-6 CONTROLLED BY USER

TABLE 3.3-2 REACTOR PROTECTIVE INSTRUl1ENTATION RESPONSf TINES

(

m FUNCTIONAL UNIT RESPONSE TINf CD m 1. TRIP GENERATION Process A- A.

Pressurizer Pressure High 0- 1.15 seconds

2. Pressurizer Pressure - Low < 1.15 seconds

3. Steam Generator Level - Low < 1.15 seconds Steam Generator Level - High < 1.15 seconds ig Steam Generator Pressure - Low < 1. 15 seconds

6. Containment Pressure - High . < l. 15 seconds

7. Reactor Coolant Flow - Low <-&65- second

8. Local Power Density - High U a. Neutron Flux Power from Excore Neutron Detectors

b. CEA Positions 0.75 second" 1.35 second""

gy c. CfA Positions: CEAC Penalty Factor < 0.75 second*"

9. DNBR Low

a. Neutron Flux Power from fxcore Neutron Detectors < 0.75 second*

b. CEA Positions < 1.35 second~*

tA c ~ Cold Leg Temperature < 0.75 second/N ITI d. Hot Leg Temperature < 0.75 second////

e. Primary Coolant Pump Shaft Speed < 0.75 second//

f. Reactor Coolant Pressure from Pressurizer < 0.75 second//H

g. CEA Positions: CEAC Penalty Factor < 0.75 second""

B. Excore Neutron Flux

l. Variable Overpower Trip < 0.55 second"

2. Logarithmic Power Level High

a. Startup and Operating < 0.55 second~

b. Shutdown < 0.55 second*