ML17174A585

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DOP 6900-12,Revision 1, Station Battery Isolation & Return to Normal for Discharge Testing U2 250 Vdc Battery
ML17174A585
Person / Time
Site: Dresden Constellation icon.png
Issue date: 07/31/1979
From:
COMMONWEALTH EDISON CO.
To:
Shared Package
ML17174A578 List:
References
6900-12, NUDOCS 8012160537
Download: ML17174A585 (5)
v • d • e


Text

ST~TlON BA'l'TERY ISOL/\\T ION NiO HE'rl;RN '1'0 NOF:M/\\L

  • . ' ~**.'.'~,:.i~OR DlS(iJ/\\RGE TESTING U2 250VOC
  • HATTER.Y.

A.',

  • l'llReOSE>.

.. -*. ~-- ::-'-***-*-

noP ri~H10-l 2 Rcvisfon 1 Juty

  • 1979

°I..**, the p1irposc of this pri:11~c:clurc is to pr<.r.vide tl1e :>tqis nc~cr.::*;s;ny°

.to. J~o1;it¢ the ll2 250 VDC for the battt~ry di:>chnrge test* aifd.

tlwh *return the U2 250VDC battery to normal.. *

. B..

  • REFERI-:NCES
1..

JJO'S

  • 6900-2 (Station Hattery r..1p.1ci.ty 'fo:it).
2.
  • DMP 8300-6 (Battery Discharge Tests--load box connection)

.3..

12E2321

  • 4... 12E20S5.

c.,...,.. PREREQU:f.SITES

::Notify *the Shift Supervisor and the U2 Operator of the intention

'io isolate the U2.250VDC battery *

. D..

.. PRECAUTIONS L.*

  • Wear proper safety apparel while installing and removing DC links.

E.: *.. LIMITATIONS

1.

None

j.,,.vei"ify.that the U3 250VDC battery is supplying*its normal.*

. loads.*

  • . {*

'2~~. )?E!t;ify. th~t the* U3 250VDC battery charger is. charging the *

. U): ?5.0VDC battery.
3.

Ve riff that: c6pp~r. Enks are available for_ Reactor Building 250 VDC MCC No.* 2 (s~e operating engineer for copper links)."

BATTERY ISOLATION

~*..

4.:. >(a):.-. Verify breaker E-1 (Turbine Building 250 VDC MCC No. 2. **

  • -*<.°'

' *.fo Reactor Building 250 VDC MCC No. 2) is open as noted on

.. :,,:F~~~/~/~.

o:*,:

  • Operat2r Date_*--.-----------

't **

(b). ; Install tw.C? cc;>pper links 11_1 Reactor Building 250.VDJ\\.

  • MCC No. 2 t~ Turbine Building 250 VDC MCC No. 2 as PPROVED noted on Figure 2.

Opera~or~*-*----------Date~------..,-- AUG237g 80121 6 0'~"51*~-. :-

D.O.S.R.

1 t'

DOP 6900.-12 Revision 1 (c} *. ci,osf.: breaker E-1 (Turbine BuU riing 250 VDC MCC No. 2 to R~:1ctor r.,;ilrling 256-vec ___ ffc:c-No-:-*-2) --~-;5- *;;-~'t-c<lon ri.g~t=C? 1*:-------------

0,1e ra te>_r __.. __.... ______________ Di-1 te _________ _

(d)

OPEN br<?aker A--1 (U2 250 VOC Battery ::!nd Char~ Feed.

to Turbine Bui J d ir{i. _? sq~1Ic*~~r~~-J!<?*_~;[)~-;-; ;,o ted onl-~-ig~ie. 1.

Op1.*r<1tor _________.. _____... ~- Date ________.. ____ _

'(e)

O?t~N bre;1ker A:_~ _ _i!-!?_ __ ?50\\IDC ~;it t~~wq?<:.£ to U2 /.50 VD~~attery) as noted on Figure.1.

Operat~r _____.. ____ Date ___.

5.

Veiify that breaker A-2 (2/3 Charger to Battery) is OPEN as noted in Fig~r~ 1.*

Opcrat~r ________ Date--"--------

BACK TO NORMAL

  • .6.

(a). CLOSE breaker A-3 (U2 250VDC Battery Charger to U2 250VDC Battery) as noted on Figure* 1.

Operat~r_* ________ Date ___ ~------~

  • (b)

CLOSE breaker A-1 (U2 250 VDC Battery and Charger Feed'*

to Turbine Building 250 VDC MCC No. 2) as noted on Figure 1.

Operat()r _________ Date~----------

(c)

OPEN breaker E-l (Turbine Building 250 VDC MCC No. 2 to Reactor Building 250 VDC MCC No.2} as noted on Figure 1.

  • Operato_r Date (d). Remove two copper links in Reactor Building 250 VDC MGC >

N.o *. 2 t() Turbine Building 250 VDC MCC No.* 2 as noted cm'.*

Figure 2.

Operat_or _____________ Date _____________ _

'. G*

. :CHECKLISTS

.* i~:'.-*;,~z:<!~~s&~~:-*'i:~**.

... 2.

  • Figµre 2.

.J :***

.;,.....--~ -:.

2

{

APPROVED AUG23'79 0.0.S.R.. *

. H..

'fJ-:(:J1tllCAL SPECIFICATION REFl*:Ju:L;c1~s.. *

1.
3. 9. A. 5
2.

3.9.B.3

  • 3.

4.9.B.1

4.

4.9.B.2

5.
  • 4 *. 9.B.3.

3

. DOP 6900~12 Ri*:vtsi on 1 APPROVED AUG2 3'79,

  • D.0.S.R.

I

~-.. -I I

. f,.
/**., 1*

j

> n 0

i I

1.

l i,..

~

IV

..,J r--9 A

.* i.' (:,~,. :~

250 VD.

2 Batter.

nd chars~.

eed.to urb. Bldg~:

MCC. No. 2--:.

2 250 VDC 2/3 Charger to U2 Battery 3 250 VDC 2 Charger to U2 Battery

~

o*

~

1"11 0

Battery.

  • Charger Control 2

Spare U2 TURBINE BUILDING 250 VDC

. (LOCATED IN U2 BA CONTROL CENTER #2 ROOM) c D

2

.3 Spare

  • E_.*

1 25"0 VDC Turb. Bldg.

MCC No~ 2 to Reactor.

Bldg. MCC No. 2

  • 2 3

Spare FIGURE 1

).

F 2

2 3

3 Spare G*

Spare 3

Spare.

I

' I i I I

t J

. I I

j I

i

2 2so vut I i Turb.3ldg. j I NCC i\\o. 2. I
to Reactor I
Bldg. XCC J No. 3 i

i I

i

!3 f

I S?are i !

i I

i I

i c

1:1 c

(;). *'""

........ o--*

~, \\.C

'" 0 0 *O

. ::l 1*

I-'

N

~*=::.

'i I t

(-*

480V SUPPLY FROM M.C.C. 38-2.

480V SU.

fnOM IA.C.C. v Y.

~aov SUPPLY FnOM M.c.c. 29-2

'f

  • . =

250 v.o.c...

4SGV SJ??~ Y FROM M.C.C. 2o-2

.. y l..

DATTERY I

. * ** llATT*

l *

  • 3ATi "°'...

' DATT CHCR

  • 3

... i-

~ CHCR.*.0 0~

...r.© 0.

Ct:2GR. I.*.

.. ~'NIT 3* ~

UNi'ri;, *... *

!).:;:! ~I.......;..... ~1-* ;;;;;.. -:-. -...;....;,;;......;._... *.

o-------.+-.-.

~---'lrO o--~---'\\

0

........ "*~;c. *-.

TUR2;~ct *~ *{'r.:;. M f, '

t**: * **

  • J < *
  • 1* * *
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  • ru** ~)~~,

1{[;~,:.cb~~"2 * **..

  • .H.O. >:r** f 1".a_)_* -----.,----... c. )J-~t f"*O* )E*J.

. -~* ~***

~ b 1f Tv.ICAL ! y, ~

  • I

TYl'ICAL TYPICAL OF MOTOR TVP.CAI. l'..... ~Jcatea I

I llOV M.0.V,

)...'

OF MOTOR FEEDS fEEOS I l Reactor

ated on South_,,I I

FEEDS FEEDS

. CU CU I

I on South side U2

  • Bldg. (El. 570'}

le U3 Reactor I

I REACTOR a Loa L:INKS

. LINK.

flEACTCR 0:... DG I

lg* (El. 570'). *~~} t) t; V.°i;* M.~S BUS 250 V.O.C. M.C.C. Xo.2

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2A.

ETC 1 1 1

r 1 1

_..-/

M

. -~

'.1YPICAl.

TYPICAl.

TYPICAL.

TYPICAL.

TYPICAL.

OF MOTOR -

M.O.V.

M.O.V.

M.0.V, M.o.v.

FEEDS FEEDS FEEDS FEEDS

  • .F~EOS

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c

  • ~** ~~-

-0 0

1.

  • .c;:)

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0.

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  • \\.14, 0
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-J* <

c::o rn 0

  • . 260.Vdc SYSTEM FIGURE 2..

'iYP;CAL OF t.!OTOR FfEOS

. ':...

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