ML20104B393

Proposed TS Table 2.2-1 Re Reactor Trip Sys Instrumentation Trip Setpoints for Reactor Coolant Pump Undervoltage & Underfrequency

ML20104B393
Person / Time
Site:	Comanche Peak
Issue date:	09/10/1992
From:	TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
Shared Package
ML20104B391	List: ML20104B388 ML20104B393 ML20104B400
References
NUDOCS 9209150303
Download: ML20104B393 (2)

Text

_ _ _ _ _ _ _ _ - _ _ _ _ _ _ _ _ _ _ _

TABLE 2.2-1 (Continued) n r

o r+

gy REACTOR IRIP SYSTEM INSTRUMENTATION TRIP SETPOINTS

{<

c ea TOTAL SENSOR a

i

~

ALLOWANCE ERROR o$ m FUNCTIONAL UNIT (TA)

(S)

TRIP SETPOINT ALLOWABLE VALUE g

Z ou x r

gg,

11.

Pressurizer Water level-High 8.0 2.18 2.0 192% of instrument

$93.9% of instrument om span span x

cz GPJ w x

88

• 12.

Reactor Coolant Flow-tow 2.5 1.18 0.6

>90% of loop

>88.6% of loop 8

o~

design flow **

0esign flow"*

O go cn

-13.

Steam Generator Water 25.0 22.08 2.0

>25.0% of narrow

>23.1% of narrow Level - Low-Low range instrument range instrument span span 14.

Undervoltage - Reactor

7. 7 g

0

>4830 volts-

>4753 volts-Coolant Pumps each bus ch bus

'?

u' 15.

Underfrequency - Reactor 4.4 0

0

>57.2 Hz

'5 ' 1 Ur Coolant Pumps f

~ 37,ggH7 16.

Turbine Trip _

i a.

Low Trip System Pressure N.A.

N.A.

N.A.

>59 psig

>46.6 psig b.

Turbine Stop 'falve N. A.

N.A.

N.A.

>1% open

->1% open Closure 17.

Safety Injection Input N.A.

N.A.

N.A.

N.A.

N.A.

from ESF N

• • Loop design flow = 95,700 gpm.

M

'i 5

.i I

l 1

a t

1

to TXX-92416=

l f

F e

a k

+

i f

e r

)

i e

-20.~.m.Je_.l.,..-...

,y,

~<~~-m,--,,sn,.n.....

= - -,,,,. - -,,,,.

..,,..,s..