ML20212H526

Proposed Tech Specs Pages,Revising TS Re Loss of Power Setpoints for 4 Kv Emergency Buses

ML20212H526
Person / Time
Site:	Peach Bottom
Issue date:	09/27/1999
From:	PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
Shared Package
ML20212H512	List: ML20212H507 ML20212H526
References
NUDOCS 9910010171
Download: ML20212H526 (2)

Text

c.

., n LOP Instrumentation 3.3.8.1 Table 3.3.8.1 1 (sage 1 of 1) l Loss of Power Instrumentation REQUIRED CHANNELS SURVEILLANCE ALLOWABLE FUNCTION PER BUS REQUIREMENTS VALUE

1. 4 kV Emergency Bus Undervoltage (Loss of Voltage)

a. Bus Undervoltage 1 SR 3.3.8.1.3 NA SR 3.3.8.1.4

2. 4 kV Emergency Bus undervoltage (Degraded Voltage Low Setting) l a. Bus Undervoltage 2 SR 3.3.8.1.1 3 2286 V and s 2706 V (1 per SR 3.3.8.1.2 source) SR 3.3.8.1.4

b. Time Delay 2 SR 3.3.8.1.1 t 1.5 seconds and (1 per SR 3.3.8.1.2 5 2.1 seconds source) SR 3.3.8.1.4

3. 4 kV Emergency Bus Undervoltage (Degraded Voltage High Setting) l a. Bus Undervoltage 2 SR 3.3.8.1.1 2 3409 Y and s 3829 V (1 per SR 3.3.8.1.2 source) SR 3.3.8.1.4

b. Time Delay 2 SR 3.3.8.1.1 e 23.0 seconds and (1 per SR 3.3.8.1.2 s 37.0 seconds source) SR 3.3.8.1.4

4. 4 kV Emergency Bus Undervoltage (Degraded Voltage LOCA) i a. Bus Undervoltage 2 SR 3.3.8.1.1 2 3766 V and 5 3836 Y (a)

(1 per SR 3.3.8.1.2 source) SR 3.3.8.1.4 I I

b. Time Delay 2 SR 3.3.8.1.1 t 9.2 seconds and

(1 per SR 3.3.8.1.2 5 10.8 seconds (a) l source) SR 3.3.8.1.4 l 5. 4 kV Emergency Bus Undervoltage l

(Degraded Voltage non-LOCA)

a. Bus Undervoltage 2 SR 3.3.8.1.1 t 4116 V and s 4186 V (a)

(1 per SR 3.3.8.1.2

, source) SR 3.3.8.1.4 l

l

b. Time Delay 2 SR 3.3.8.1.1 a 57.8 seconds and 5 64.2  ;

(1 per SR 3.3.8.1.2 seconds (a) l source) SR 3.3,8,1.4 l

j (a) Prior to the implementation of modification 96 01511, on a particular Function 4 or 5 relay, its Allowable Values are 4.a t 3691 V and 5 3713 V, with internal tim delay set t 0.9 seconds and 51.1 seconds, 4.b t 8.4 seconds and 5 9.6 seconds, 5.a a 4065 V and 5 4089 V, with internal time delay set t 0.9 seconds and s 1.1 seconds, 5.b t 57.0 seconds and s 63.0 seconds.

This note expires upon completion of modification 96 01511, but no later than March 1, 2000.

PBAPS UNIT 2 3.3-65 Amendment No.

9910010171 990927 PDR ADOCK 05000277 P PDR

LOP Instrumentation 3.3.8.1 Table 3.3.8.1-1 (page 1 of 1)

Loss of Power Instrumentation REQUIRED CHANNELS SURVEILLANCE ALLOWABLE ,

FUNCTION PER BUS REQUIRDIENt$ VALUE

1. 4 kV Emergency Bus Undervoltage (Loss of Voltage)

a. Bus Urdervoltage 1 SR 3.3.8.1.3 NA SR 3.3.8.1.4 ,

l

2. 4 kV Emergency Bus Undervoltage  !

(Degraded Voltage Low Setting)  ;

l a. Bus Undervoltage 2 SR 3.3.8.1.1 t 2286 V and s 2706 V (1 per SR 3.3.8.1.2 source) SR 3.3.8.1.4

b. Time Delay 2 SR 3.3.8.1.1 2 1.5 seconds and (1 per SR 3.3.8.1.2 s 2.1 seconds source) SR 3.3.8.1.4 1 1

3. 4 kV Emergency Bus Undervoltage (Degraded Voltage High Setting) l a. Bus Undervoltage 2 SR 3.3.8.1.1 2 3409 Y and 5 3829 V (1 per SR 3.3.8.1.2 source) SR 3.3.8.1.4

b. Time Delay 2 SR 3.3.8.1.1 t 23.0 seconds and (1 per SR 3.3.8.1.2 s 37.0 seconds source) SR 3.3.8.1.4

4. 4 kV Emergency Bus Undervoltage (Degraded Voltage LOCA)

a. Bus Undervoltage 2 SR 3.3.8.1.1 a 3766 V and 5 3836 V (a)

(1 per SR 3.3.8.1.2 source) SR 3.3.8.1.4

b. Time Delay 2 bA 3.3.8.1.1 2 9.2 seconds and (1 per SR 3.3.8.1.2 5 10.8 seccnds (a) source) SR 3.3.8.1.4

5. 4 kV Emergency Bus undervoltage (Degraded Voltage non-LOCA)

a. Bus Undervoltage 2 SR 3.3.3.1.1 2 4116 V and s 4186 V (a)

(1 per SR 3.3.8.1.2 source) SR 3.3.8.1.4

b. Time Delay 2 se >

.8.1.1 t 57.8 seconds and s 64.2 (1 per 1 8.1.2 seconds (a) source) e 3. 8.1.4 (a) Prior to the implementation of modification 96-01511, on a particular Function 4 or 5 relay, its Allowable Values are:

4.a e 3691 y and 5 3713 V, with internal time delay set t 0.9 seconds and s 1.1 seconds, 4.b t 8.4 seconds and 5 9.6 seconds, 5.a t 4065 V and 5 4089 V, with internal time delay set t 0.9 seconds and 5 1.1 seconds, 5.b t 57.0 seconds and s 63.0 seconds.

This note expires upon completion of modification 96 01511, but no later than March 1, 2000.

PBAPS UNIT 3 3.3-65 Amendment No.