ML20101A170
| ML20101A170 | |
| Person / Time | |
|---|---|
| Site: | Beaver Valley |
| Issue date: | 04/09/1992 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20101A172 | List: |
| References | |
| NUDOCS 9204210035 | |
| Download: ML20101A170 (2) | |
Text
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,k TA8tE'2.2-1 (Continued)
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REACIOR TRIP SYSTEM INSIPUMENTATION IRIP SEIP0lNIS I
NOTATION (Continued) p.
T
. Average temperature. *F;
=
m f
1 i
tag. compensator on measured i,,g; a
I*t S
'L*-
'g 6
4 t
1 1
t, Ti constant utt iired in the =casu.ed I,,, ia, cc.pensator.
=
sa g = o s; l'
$ 576.2*F (Nominal I,,g at RATED IHERMAL. POWER);
=
K
=
3
- 0. M ;
P' Pressurizer Pressure, psig;
=
P' i
2235 psig (Nominal RCS operating pressure);
=
5 Laplace transform operator, s'8;
=
and f (al) is a function of the indicated dif ference betecen top and bottom detectors of tha power ra g
nuclear lon chambers;'with gains to be selected based on measured instrument response ge tests such that:
I (1)
For qg q between -33% and +9%, f (AI) = 0,
- m q b
g t '"# % am percent RAlto TMRMAL POWER in the top and bottom halves of the core respectively, and e POWER.it, percent of RATED 1HEIM4L POWER; t + g is total IMIMAL (11)
For each percent that the magnitude of qg g exceeds -3N, the af Trip setpoint shall g
be automatically reduced by 2.52% of its value at RATED THEIM4L POWER; and (iii)
For each percent'..that the magnitude q g exceeds N the AT Trip Setpoint shall g
5 he automatically reduced by 1.755 of its value at RATED THEfMAL POWER.
l P
NOTE 2:
The channel's maximum Trip Setpoint shall not exceed its ' computed Trip Setpoint by more than 16% or l
l AT span.
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