ML20095G572
| ML20095G572 | |
| Person / Time | |
|---|---|
| Site: | Summer  |
| Issue date: | 08/24/1984 |
| From: | SOUTH CAROLINA ELECTRIC & GAS CO. |
| To: | |
| Shared Package | |
| ML20095G555 | List: |
| References | |
| NUDOCS 8408280114 | |
| Download: ML20095G572 (3) | |
Text
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TABLE 3.3-4 (Continued) i ENGINEERED SAFETY FEATURE ACTUATION SYSTEM INSTRUMENTATION TRIP SETPOINTS
~~
Total-Functional Unit' Allowance (TA)
Z
.S Trip Setpoint Allowable value 5.
TURBINE TRIP AND FEEDWATER ISOLATION a.
Steam Generator Water 5.0 2.18
- 1. 5
<82.4% of
<84.2% of narrow Level - High-High narrow range range instrument instrument span span 6.
EMERGENCY FEEDWATER
-a.
Manual NA NA NA NA NA b
Automatic Actuation Logic -
NA NA NA NA.
NA 8
c.
Steam Generator Water 12.0 9.18 1.5
>12% of span
>10.2% of span from level - Low-Low Trom 0% to 30%
0% and 30% RfP RTP increasing increasing linearly linearly to to >$$ I of span so.o */ q 5## of span from(30% to 100%'
from 30% to RTP 't 100% RTP W.1 %
d & f.
Undervoltage - ESF Bus
>5760 volts
>5652 volts with a with a <0.25 70.275 second time second time Belay delay 8408280114 840824
>6576 volts
>6511 volts with a fDRADOCK 05000395 with a <3.0 73.3 second time PDR second lime deIay delay
~.
,m
.w
'W.
Ej TABLE 2.2-1 (continued)
!c 10 REACTOR TRIP SYSTEM INSTRilHENTATION TRIP SETPOINTS
-.s e
c-Total l
g I,unctional linit Allowance (TA)
Z S
Trip Setpoint Allowable Value
~
13.
Steam Generator Water 12.0 9.18
- 1. 5
>12% of span from
>10.2% of span from Level Low-tow D to 30% RTP D to 30% RTP increasing lin-increasing linearly early.to >
of to >&5tt% of span
~
span fron 30% to froiii 0% to 100%
100% RTP RTP I
zg,z og 14.
Steam /Feedwater Flow Mis-16.0 13.24 1.5/
<40% of full
<42.5% of full Match Coincident With
- 1. 5 iteam flow at'RTP iteam flow at RTP Steam Generator Water Level 12.0 9.18
- 1. 5
>12% of span fromi
>10.2% of span from Iow-low 0 to 30% RTP O to 30% RTP 7
increasing lin-increasing linearly early to >9f89% of to >S4% % of span spanfrom30%)to from 30 to 100%
100% RTP
(
RTP t o. O "lo
- ** U I*
\\
15.
Ilndervoltage - Reactor 2.1 1.28 0.23
>4830 volts
>4760 Coolant Pump i fi.
Ilnderf requency - Reactor 7.5 0
0.1
->57.5 Hz
->57.1 ilz l
i Coolant Pumps 11.
lurbine Trip A.
Iow Trip System Pressure NA NA NA
>800 psig
>750 psig II.
Turbine Stop Valve NA NA NA
>1% open
>1% open Closure itili = RAIEI) IllERMAL POWER
^
9
- g.
TABLE 2.2-1 (Continued)
REACTOR TRIP SYSTEM INSTRUMENTATION TRIP SETPOINTS NOTATION b
NOTE 1: OVERTEMPERATURE AT
-e AT.
~ (i f
- 3) $ AT, {Ka' Km
[T (1 f
- 3) - T'] + K (P
- P') - f (AI)}
1 Ta 7
3 t
Where:
AT
=. Measured AT by RTD Manifold. Instrumentation 1
= Lead-lag compensator on measured AT tt, in Time constants utilized in lead-lag controller for AT, r2 = 8 sec.,
=
12 = 3 sec.
- E #
1 + Ts m
S T3
= Time constants utilized in the lag compensator for AT, r3 = 0 secs.
Indicated AT at RATED' THERMAL POWER AT
=
g Kg 1.090
=
K 0.01450
=
+ *5 The function generated by the lead-lag controller for T**U
=
dynamic compensation i
= K secs.,
&r Time constants utilized in the lead-lag controller for T,yg, T T4,
=
s 4
Is = 4 secs.
26 T
=. Average temperature *F w
l 1
1+rs Lag compensator on measured T,yg
=
a Ta Time constant. utilized in the measured T,yg lag compensator, is = 0 secs.
=
p,
~
n
/h.
v L,
V v
v L
-