ML17174A590

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DOP 6900-13,Revision 1, Station Battery Isolation & Return to Normal for Discharge Testing U3 250 Vdc Battery
ML17174A590
Person / Time
Site: Dresden Constellation icon.png
Issue date: 07/31/1979
From:
COMMONWEALTH EDISON CO.
To:
Shared Package
ML17174A578 List:
References
6900-13, NUDOCS 8012160539
Download: ML17174A590 (5)
v • d • e


Text

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sf11.*1*1.c.. 1J !)!\\'((fl\\.Y I~ilJIAl'iON,\\'.;!) Hi*:t'll!<N TO ;*:o:m..\\L I-OR 1nsr.:!/\\.l\\t;E Tl*:s:r ll~G 113

~~:,o VDC BATTERY

~:.1. :**:... :... :; :~*.

  • A.

.t'IJl~POSE

  • llOl' 6900-13 Rv *,1 i :d. on 1

.l11ly 1979

'rJic flll'Cf~il::'C nf f'his p1.'t)*C'~*l*n'c *is t.o 1*.,1*uv:i.dc tl1e srr:.ps *::*c<':;*;:;;:y to_.'i~;oL1tc thc* lJ3 250 VDC h:1tt*~1y r.,.r t!1c h:1tU*1y di:;cli.:1q~c i:>>*:;t ;*,nd

  • .then rct11i-n t11c ll3 7.50 VllC hattr:1~y to no~*1q:1l.

..4.

.

  • B.

HEFEHfl!Cr'.S

. 'of.... --::... ----*:* -.... --
  • . *. :"_h D05 6900-2 (St;1ti.on B:.1ttc*i:y C:1 11:*icity Ti~:>t).
      • ;'.2~:';;*: i):1r i::noo *6 (Bat t1:ry l1:i.:;ch;iq3e Ti*:; ts -

load box c.-111ill.~<:ti.cin)

J.

r2i::2321 4, <: 12E3055 r

~J.*

c.. PRE.RE,QUlSITES

. **...

  • Not:i,fy the Shift Supervisor and the U3 Operator of the iritentiori

.to i~olate the U3 250VDC battery.

D.

. PRECAUTIONS *

~.

  • pb~erve norm~! radiological precautions.

2, Wear proper safety.-ip.parel whlle in::;t;:illing and removing

  • .DC links.

E.

LIMITATIONS AND LIMITATIONS

1.

Non*e *

. F~

. PROCEDURE L * >VeJ:'ify that the U2 250 VDC battery is supp.lying its nonnal

    • lo.ads.
2.

.. Ver:ify that the U2 250 VDC battery charger is charging the V2 250 VDC battery.

3. **Verify that copper bus links are available for Reactor *.

_ ~~uildirig 250 VD~ ~CC No. 3 *(See operating engineer for:*

, *. -~*c:opper. links). *
  • .: '. ~*.

BATTERY ISOLATION

).

Verify breaker. E-1 (Turbine Building 250 VDC MCC No. 3 **

t,f':,:*t-q~\\ 11 ~~ict:Q.i:i.. Bllilding 250 VDC MCC No. 3). is open as noted on

.f'gtire 2.

. Qperat51r---'------------ Date ___ "'-----_,..;.-

1 APPROVE[)

AUG2 3'79

\\..

DOP 0 1J00-13 P.1*:vi,;i.on 1 (b)

T.1~stnl l t 110 coppl':r Ti 11ks in Re:; cl 1Jr P.1d.lrVi np, ?'..iO VDC

  • 1<.:c f:o. 3 to Turhi11e f:11ildin_ri_J.~O v6c ).;*i*:-c-*No-.- 3-:1-s
  • ,)**~) t-C~.f.. o_fi_Fig u*re** :2 *.~*:-* -** *------**-* **-.****--*. --------... --- ---*******-- *-*. *******..... **--

01H~r:1tor: __.. ***--**-- **--*-*****-- -*-

D;1te (c)

CLOSE hreaker E-l (T11*i'hi.11e 811i.icli;1g 250 VJ)C Ml~C No. 3 to -Ren ct or n 1ri*l di ng ____ i5"()- \\Ti-JC... ;:ji~C... tJo ~- **3; ----* * -*-**** **------ *--* ----

-*----* -*** * ** ---******--**.. __ ? ___ ***-*-****-*--**-***-*-** **-****-*-

Opr.: 01 tor.. -****---*-*-*- ___ *--*** *-*--*-*-*-.D<1 t e (d)

Oi'FN bn*i!kt~r A-*l. (113- /.'.iO VDCP.:1tt**cy ;11HI Ck1ri_;1~r Ft*Pd

. 1.0 T11rhinc !luil d i~;*g--/5o \\iijc... i~<:c *:};o:*-3y ~~s *1;-;t_*(~;1 **0n *--

  • t:;iii-1~r*e-T.--- ** -** -*-**--*-***** --** *---- **- --*-*****---

Operat~r _____________ Date (e)

OPEN hrc:iker A-J _(!_1_~ __ 259 VDC TL-i.t tery C:l~1_:~E_ to U3 7.50 VDC Battery) as noted on figure 1.

Operat<?.r_* -----*-

Date

5.
  • Verify that breaker 11.-2 (2/3. charger to B;1ttery) is OPEN as hoted in Figure I.

BACK TO NORMAL 6~

(a)

CLOSE breaker A-3 (UJ 7.50 VDC Battery Charger to U3 250 VDC Battery) as noted on Figure 1.

A*

Date ------

(b). CLOSE breaker A-1 (UJ 250 VDC 13att<.!ry and Charger Feed to Turbine Building 250 VDC MCC No. 3) as noted on Figure 1.

(c) OPEN breaker E-1 _(Turhine Building 250 VDC MCC No. 3 to Reactor Building 250 VDC MCC No. 3) as noted on Figure 1.

Oper~t~r---~----- Date _________ _

(d)

Remove two copper links in Reactor Building 250 VDC MCC No. 3 to Turhine Building 250 VDC MCC no. 3 as noted on Figure 2.

Operat_or--------- Date _________ _

APPROVED.

2 AUG2 379

  • ** D.O.S.R.
  • " *--- -*--*.. **:..;..,1.. *......... _*"***.

G.

Cll r:'.CKLT STS I.

Fi.eure 1

1.

3.9.A.5.

2.

3.9.B.3

3.

4.9.B.l

4.

4.9.B.2

5.

. 4.9.B.3.

  • ~--*---.~-~ *-- ------

3

  • ........ --***'I.. *.r:.u.**--**~-******-'.-**---.i-*.... ~*~- --~: *-----*..... _.................... -~ *- -**-**

DOP 6900-13 Rcvtsion 1 APPROVED.

AUG23'79 o.o.s.R. *

~.

'.\\

i.

. 1 A

1 250 voe U3 Battery and Charger Feed to Turb. Bldg MCC No. 3 2 250 voe 2/3 Charger to Ul.

Battery 3

3 Charger to U3 Battery B

c I Z50 VUC 1

Battery Charger Con.tro 1 -

2 Spare

~

~

0

  • ~

~-

UNIT 3 TURBINE BUILDING 250VDC MOTOR CONTROL CENTER #3 D

E F

G 1

1 250 voe l

l Turb. Bldg

\\.\\CC No. 3 to Reactor Bldg. MCC No. 3 2

2 2

2 I I 3

3 3

3 Spare Spare Spare I Spare I

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Turb. 0 l cig

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<8-LY F'R0-38-2 250 v.o.c.

BATIEnY

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ROM M.c.c. 29-2

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I TURB. Bµ>G 250 v.o.c; M.C.C. t\\0.3.. y l

t r i. b **

N.Q. )H~. f N.Ct.._)J--2 --------.-! ---

N.C. }

TURB BLOG

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4'.50 V.D.C. :.*.. c.t. :iv.2

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  • I TYPICAL

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1 oca ted o OF.. 0 ~on r.1.0.v..

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FEE;:JS FEE;)S.

i\\eactor ;J,GS

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south s id~

1 FEE~S FEEDS

  • A cu. *

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. U3 Reactor:: )

.. REf,CTOR 13LOG

~ LINKS.

~ (E~'.dho*)euf X) £;voi;*"U~s 3A i ~' <~ii~T ~ lB ETC Ji

~

1 1

  • TYPICAL TYPICAL OF MOTOR -

M.O.V.

FEEDS F~EOS TYPICAL..

M.O.V.

FEEDS

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tO \\3

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nEACiU~ 8~DG

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BUS

6) LJ 6) 6\\

6, 28 1 SPLIT 9

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BUS.._r I

8 ETC A 2A 1:....J.

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0 TYPiC.\\L M.0.V.

FEEDS TYP:C:..L.

M.O.V.

FEEDS 7Y?.C;"-._

OF,'.1.~TCR

  • FC.EL)S

. 250.Vdc SYSTEM Figure 2 0

. :

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