ML19345A467
| ML19345A467 | |
| Person / Time | |
|---|---|
| Site: | Yankee Rowe |
| Issue date: | 02/27/1974 |
| From: | YANKEE ATOMIC ELECTRIC CO. |
| To: | |
| Shared Package | |
| ML19345A466 | List: |
| References | |
| NUDOCS 8011210671 | |
| Download: ML19345A467 (1) | |
Text
- 1k.LliN ICAl, bt't Li t 1CMIOUS TAPLE 1 n.
(
\\
RFACTOR PROTECTION SFT PolNTS
( /.
NO. OF CIULNSRLS RINCTION REQUlkED TO TRIP BYPASSES SET POINT LIMITS Rway.S e
gh Startup Rate -
1 out of 2 Auto bypass 5.2 doc / min - max.
Minimum restart instrumentation act r Scram Above 15 We 2 source range channels 2 intermediate range channels i
gh Neutron 2 out of 5 or 6 None Neutron flux corresponds to Minimum of 4 operable channels um Lev 1 -
16% rated power - e.ax.
required for reactor operation acttr Scram CD 1 of 4 (single)
O rw Halt Coolant M
1 out of 2 Auto bypass 1800 psig - min.
csura -
M Below 15 MWe tact r Scram p
--7"*
>w Mais Coolant O
2 out of 4 Auto bypass 80% of normal main coolant 1 out of 3 Below 15 MWe flow in any loop - min, low -
ract:r Scram b
sA 7
lgh Pr u urizer %
1 out of 1 tianual 200 inches - max.
In service before reactor is itcr Lev 1 -
critical ict r Scram inu:1 -
Not applicable None Available any time 2pj v"
M int _Sszam abia Trip -
Not applicable Auto bypass Usua1 Yarbine Trip set points Turbine trip scrar.s reactor and fe s.3 tct:r Scram Below 15 We trips generator above 15 MWe tg M sw
- ncr tor Trip -
Not applicable Auto bypass Usual Generator Trip set po$nte Generator trip scrams reactor and
{
trips turbine aboye 15 MWe g,4 Not lower than 15 inches belov Q
.u: Cen tr-tor 2 out of 4 Auto bypass
>w W tsr Invel 2 out of 3 Below 15 We normal water level ct;r Scram
.. w,Ae1 2_.
inu:1 Trrbine Not applicable Auto bypass Available any time above j,5 PMe 39%.,
nerst:r Trip -
Below 15 HWe N
'ctir Scr m g
(.mn,n 2 ifity Injiction 1 out of 3 or 4
}bnual 1700 psig on main coolant ayatem, max.
Safety injection pay be initiated add y;f ier: tion 5 psig vapor container pressure - max.
manually at any time Evy D
.zurimr Not applicable None 2485 gaig, No. 1 valve - max,,
32 if ty V 1va 2560 psig, No. 2 yalve - mar, Na Dq ierr tim
&YM :a ipir Cont iner 1 out of 2 None 5 psig vapor container pressure - max.
Closes trip valves in outgoing
'tgling Live Trip -
lines in vapor container ilva Op rction
.is Coolant Valve Not applicable Hone S0*F temperature differential - max.
Prevents any isolated loop from tcrlock being placed into operation if the loop temperature is more than 30*F lower than highe.st cold leg temperature in the remaining Ineps
)TE:
R~ actor scram always initiates turbine and penerator Bria
.