ML17174A584
| ML17174A584 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 08/31/1979 |
| From: | COMMONWEALTH EDISON CO. |
| To: | |
| Shared Package | |
| ML17174A578 | List: |
| References | |
| 6900-11, NUDOCS 8012160532 | |
| Download: ML17174A584 (6) | |
Text
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STATION BATlt::RY ISOIAfION /\\ND RETURN
,. :il~;;:,1.1,0RilAL FOR DISCHARGE TESflNG U2 125 voe *BATTERY OOP 6900-ll Revision 2
,,u~us t 1979 A.
PURPOSE.
- .**. TI1e purpose. of this procedure is to* provide the stP.ps ncccssa ry
- to isolate. the U2 l25VOC hattery for the battery Jischarge test and then*r,eturnthe U2 l25VDC battery to n*onnal *
. B.
- REFER(NCES
-.:...-:~ --*--**
- l.
DOS 6900-2 (Station Battery Capacity Test).*
- 2.
D(lP 8300_;6 (Battery Discharge Test - load box connection)
- 3. *. l 2E2322
- 4..
12E2055
- t.
- PREREQUIS !TES Notify the Shift Supervisor and the U2 operator of the intendon
- ta isolate the U2 l*25VDC batter)'.
.. D *. *,
PRECAUTIONS
- 1.. :*125 VDC Reactor Bldg Distribution Panel No. 2.
4
<, :~ *.
2~ ~< 4160V. Sw-Gr Bus 21 *
- /*~i?
- r. 41. GOV.Sw Gr Bus 22 *.
~.,. )
- 5~
.**:4J60V $~'.~Gr. Bus 24.
6.*":
- 480V Sw Gr Bus 25 *. *
- 7~ **. 480V Sw Gr *Bus 26*. *
- 9. '?Mca o~c. *Bus *
. :* ~* :.~
..... * ~... - *i* '.*:*.,. t(1 ~ :'
APPROVED 8012160(~,
SEPl l '79 n n_~.R.. _
1
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.;~*
~*. *..
\\....
~ *..
- 11.
PJant Sirens *
. 12;'
Coii1puter Room.Test Bench.
13~. **Gen. & Trans. Relaying and Metering Panel 902-29.
- 14.
Gen. H2 & Stator Cooling Panel 2252-7.
- 15~
fi l~e P;-otect ion Sys tern CO 2 ca bi net.
DOP 6900.- 11
- RC:visibn 2 16~
- Trans.* Fire Prot. Pnl & Rx FeE<ll'<'ater pump (\\'/tr spray).*
- 17.
Gen. Field A.C.B. & Volt Reg. Cabinet 2252-6.
- 18.
Escape 1 ighting turbine room.
- 19.
Escape Lighting Control Room *
- 20.
Escape Lighting Rad\\'1aste Building.
- 21.
Turbine EHC Cabinet 902-31 ~
- 22.
Panel 902-39.
, 23. *. Aux. Elect. Equip. Roan Panel 902-32 *
. 24~ ** H Storage Bank Control Pane) 923-1.
- ; 25.
>: 26.
Master Station Supervisory Cabinet.
Auto Blowdown Panel 902-32.
- 27~.. ** -~dwaste Control Panel 2223-4.
- \\.2a:::\\\\.Trans. Fire Prot. Pnl & H2 Seal Oil Unit Cont. Pnl (Wtr*
- '.;***.Spray).
t \\' :_;:*.
- 29.
Flo\\,/ Reg Station 480V MCC Mn Ckt Bkr.
30..
- Rx ProL sy;tem Panel 902...:1 s.
_i~
31~'.< Annunc. Input Relay Ca bi net 902-34.
<~~:~J. \\;svoc Supply to Res. B~s No. 3.
.. 33. ***1isvoc Res. Bus No. 2.
---.. ~-*-----~~--
- 2 APPROVED SEPl 179
(
DOP. 6900- l J Revision 2 E~
. L ir11'JATlONS AND ACTIONS
. *--*-****-*--~.;,.-:-"""-*.:., _________ _
. F.*
- 'PROCEDURE.
---***--******-=:--"-.-*
~-
.. l..
- V~ri-fy. tha*t~the.U3125 VOC b.Jttery is supplying its nonnal
- 1 oad. *
- 2.'"
- Verify U1at the U3 125 voe battery churger is chJ1~ing the U3 125 voe battery.
- Battery Isolation
- ... 3.
. (a}* CLOSE breaker C.:.l (Turbine Building Main Bus #2 to Turbine Building Reserve.Bus #2) as noted on Figure l.
~.. :..
Ope. ra tor Date
- ~ * *
(b}
OPEN breaker. B-1 (U2 l.25VDC Batter~ and Charger Feed * **
to Main Bus #2) as note~ on Figure l.
Operator Date
-~-----'------
(c) bPEN breaker B-3 (U2 charger to Battery} as noted on Figure 1 ~
- Operator _______ Date _______ _
- (d} *Verify. that breaker B-2 (U 2A charger to batte.ry} *
.as noted ?n Figure l is OPEN.
BACK TO NORMAL *
- 4. ** (a)
CLOSE brea.ker B-3 (U2 Charger to Battery) as noted//>*
- on Figure 1.
- Operator Date.
~
.ft>}.
CLOSE breaker B-l (U2 125VDC battery and Charger Feed'... :.
- to f.ta in Bus)* as noted on Figure.l.
- .* Yt,!j~
- Operator Date _______ _
- <,~{.':/cbH} QPEN breaker C-1 *(Turbine Building rtain Bus #2 to Turbine
..., Bujldi11g Reserve Bus #2).as noted on Figure 1.*
. * *:*(,~~* ** :*,.
':it;_ I -~,~.*.".*.~.f,:~,J'.._t.*,,,_,*.',"**~*~¥-.1,'.'.*.--=.~.!* *.* ',,!***.' ".',**
.. >/i~F op;g,v.-a~tor_*:_* _
... _,.*------Date_._. ______ _
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- ~*-.* _._ __.*:
APPROVED SEPl l '79 3
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CHECKLISTS
- 1.
- Figure l
- 2.
Figure 2
. H.
TECHNICAL SPECIFICATION REFERENCES
_3.9.A.5
- 3. 9._B:; 3..
'.l'
. *4~9. B ~ F.
4*_9.~.2.
4.9.B.J.
- ~;
DOP 6900-11 Revision 2
- ..-: \\.
APPR0\\/£0
. SEPl 1'79 "n c::. R~
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TURBINE BUILDING 1~~ VD~
TRIBUTiON PANEL #2 and 24/48 VDC SW CENTERS 2.A and 2B A
. C."
E
. 24/48VDC.
. SWl7CH CE "'"ER
. l_,.*125VDC*.
l25V.DC.
Turb. a*rag
_.. * ***'r:u*rb.*B1.dg l
Neutron.**
MaTn:Bus.
2*aatte-ry Main B.us*.::aatter:.Y-*
- MaiihBus:
Monitors... 11
- N*o~. 2 to **and* C.harger No *. 2 *to *
- Charger **
- N'cf. -'3 to
.24/48VDC
- aw Turb;: Bldg* Feed to*-
Turb *. Bld#q
- Confrol
- Turb. -~ldg
- Supply: 11A11 1*.
Res. Bus Turb. Bldg Res. **Sus 2
.Res. Bus#2
....., a in Bus.
I 7.. *12svoc No. 2
- 2.
2.12svoc i
-"MTa~rl*n~_.:_BuB_.sldg.
. Turb. Bldg.
j 12SVDC Res. BJs 2
24/48VOC Dis tr.
Panel N_o. 2 to.
Main Bus No. 2 to R'.eactor Bl g Dlstri.butio Reactor Bld Dlstr. Pnl.
Panel Distr" PnL No. 2 I 3, I
. 1 2 5 VD cl 1-2=-------i Turb. Bldg I 3
~
4 Spare 125VDC Spare 2A_
Charger to U2 Battery 3
l 25VDC 2 Charger to U2 2
Spare Res. Distr.l 24/48VDC Panel No. 2 pistribution Pane 1 I
i i I Battery l
1--o*~*~*---~~-~*........ --...;~----..,_;___;.*~---~~.~:~----.;..~~.-.. ~.+
... *.~---~.-.. ~.~--------+i FIGURE 1.
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- Jl C°.
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- J 0
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nc DOP 6900-11.
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Revision 2 n:*.a'°"OC Tl.lfl'I *t.OG
. ~~s*au:s........,1111 _____ _. __
- TY*tCAl. a-*-
HEOS TO
<tlllY 'SYllG'I Jt A,_0 ::J
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s...~ :n...,,.on Cu Link
.. r,rPICA\\. oo l!lOs'.'TQ.
- ... u*v.swc;111 r.....,.Cl >1*.
- 440Vsm;*a.
,-..,.P<.AL c* Jll05
. TO*C.Y SR'CA ~* *
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T"r',.,CAl o,.:
fHOS ro
.CV'S'..,,:;R )1 A.Jilt~,,
""°" S°"'CA n
..,.D Zf T"l1CAL Cl fEl'"i TO 4C.VS',_~.. 1l. :.*.
_,.,,""'CAM Cu Link
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fill 11.DG
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C".I U'IC.
T"'t'PtC,\\.Of tllOS fO ecv I'<" 7>-1
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y f"f'l(.AL. ::>*fl I OS ro*~Y s~
. A.. 0...0VS...c;JlfiJ'9
- l'1'C.
.. 9"' **,, *<***nvr.t: ~*'""
- ~Vf.P.*
SS'b.~'79 12&-Vdc SYSTEM
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- __ ; __. ---:.-*-.__-----~---*
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- ~~*::..~~~l~~i~~i:t;.1:~?,~~~-
Floure 2
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