ML20072J888

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Rev 4 to 125-Volt Battery - Weekly Check
ML20072J888
Person / Time
Site: Shoreham File:Long Island Lighting Company icon.png
Issue date: 07/23/1982
From:
GOULD, INC.
To:
Shared Package
ML20072J835 List:
References
34.315.03, NUDOCS 8303300246
Download: ML20072J888 (9)
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SP Nu=bar 34.315.03 Revision I.

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125 V BATTEPY - WEEKLY CHECK f~h

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1.0 FU??GSE To provide detailed instruction for Str. tion personnel to pirfore uan':1y checks en Station Batteries. This procedure neetc the re;:irenents of Referen 2 11.4.

2.0 _ RESP 2;SIEILIn The Main enance En;inee- ,hi.11 be responsibic Sr :he prop-- 1:pi:: rat; tion e,f this p oce.iere.

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2. '.1 DISCUSSION ..

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s 3.1 The Station Service DC Power Systens include powar supplics, distribution j>-) systems a-d load groups. The 125 voit systen,provides DC electric p:ver to the DC loeds and for control and s.11tching of the AC syste.9s.

This procedure measures battery pilot cell voltage, temperature and specific gravity and corrects all specific gravities to a coccon reference value. .

3.2 This ptocedure shall bc performad at least once every seven days. ,

, 3. 3 The following topics are contained in this procedure:

. -PACE 8.1 Test Preparation 3

8.2 Syste

Measure =enta 3 8.3 Pilot Cell Measurements 3 8.4 Calculations -

- 4 Appen. dix 12.1 - 125 ti DC mat tery 1.'ecily Check Data Sheet (IR?2*P.A-A.B,C)

Appa r..!ix 12.2 - 125 V, D. '.a t. c t. ; '!2 Aly Chr. k Nc Srnt (13.'.2 "' ? 'i2 1R71-LA '.il) -

Appendix 12.3 - Specific Cravity Correction Factors 4.0 PRECAUTIONS 4.1 Ensure the battery ventilation systen is operable. If ventilction systec is inoperable, area shall be checked with a portable hydrogen analyzer'per 7-s Reference 11.3. No entry will be per=itted into an area where hydrogen

(

._.^-__.

) concentration is greater than 2%. (50% LEL) 4.2 There shall be no snohing, sparks or open flames percitted in an'y of the battery roor.s. Hydrogen released by the battery is extremely flan:cble and may explode.

4.3 If electrolyte cones in contact with skin or clothins, ir.nediately w:.nh with water and neutralize with a solution of bsking soda and water. If thh clectrolyte cenes in contact with the eyes, flush with large arounts of clean water, and secure nedical tre.ateen immediately.

I 4.4 Pronptly neutralize and renove any electrolyte spilled. Use a b: king soda / water solution (1 lb. soda per gallon of water).

4.5 Face shiel?., acid proof . cloves and apron shal.1 he wat.,n When ur:hin; with battery ele:teslyte.

5.0 .E_R_T__S.2_

. _ _ QUI _SITIS

5. Loca.1.*yewa -5 and show;e stati ,:.; operable.

5.2  :.a t te r; rn no r2a.1 il.;at chcr:e, t-: . sine. voi.:a;e of 130 to 13*> ,olcs.

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( SP3*.315.03 Rev. 4 7/23/81 Page 2

. 5.3 Test squipnent r: quiring calibration shall not .ha ee exceeded its- ,

calibration due date.

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LIMITATIONS A::D ACTIONS .

6.1 If individcal cell tenperatures are not within 5* of one another heatir.3 and ventilation systes shall be adj;sted to coopensate for inbalance.

Temperatures shall be rechecked in t.o hours and if within limits steps S.2 and 8.3 should be repeated.

7.0 MATERI ALS OR TEST EQUIPMENT 7.1 Voleneter .

7.2 Hydroneter -

7.3 Therconcter 7.i ?sce Shield 7.5 Acid Proof G'. oves 7.6 Protective Apron ,

7.7 Six Inch Non Ictallic Rule Battery Test Lead Extension (8 ft.)

7.8 -

/~'\0 PROCEDL'RE (N)

PRC2EDURE i

STEP REQUIRED ACTION INITIA!d 8.1 The prerequisites of Section 5.0 have been r.at and the appropriate caterials or test equip ent in Section 7.0 available.

S.2 Systc= Measurements Perform the following neasure ents cnd record readin;s on the appliccble forn (S?? 34.315 03-1 or 2):

8.2.] Eat:ery Room Anbient Te p2:ature 8.2.2 Bat: pry Float Volta;;+

F.3 Lilat Celi .:_e a c: ts n u

?: rfcr.a t'. . allo.ir,; .9 ..m .' . s .

r :ord r-:cdings on Ute applica' 1 : . rc. (S; F 3 . . ",2 : . ;' s ' v- ./.

S.3.1 Pii ,i e, ell spe fic gravit;:

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SP34.315.03 Eev. 4 7/23/.52 Page 3 l .

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," 8.3.2 Pilot call tsoperature .

5 8.3.3 Pilot cell electrolyte letal -

' hs. 8.3.4 Pilot cell voltage (includii2 interceli connector) 8.4 Calculations .

Calculate the following and record results on th2 applicable fors (SPF 34.315.03-1 or 2). -

8.4.1 Correct the individual pilo: cell specific gravities by performing the following ope, rations: .

8.4.121 Determine the applicable specific gravity - - - -

correction factor fro Appendix 12.3 and record on applicable form (SPF 34.315.03-1 or 2).

S.L.1.2 Add or subtract :he correction factor (as cpplienbl.>) . o 3.2:1rmine the corracted specifle gravity far cac'. cell cnd record on .

app 1Leable forn (F?? 34.315.03-1 or 2).

8.4.2 Average pilot cell te=pertture

  • 8.4.3 Average pilot cell specifi: gravity 8.4.4 Average pilot cell voltags .

8.5 Visually inspect battery for any abnor=al conditions (i.e.

(N-electrolyte leakage, cell cracking) and note discrepancies on the-applicable forn (SPF 34.315.03-1 or 2) under co::ents.

8.6 Visually inspect individual cells for any abnormal conditions (i.e. plates buckling, discolorir.3, grid cracks or plate growth) and note discrepancies on the appliccble fors (SFF 34.315.03-1 or

2) under consents.

8.7 Visually inspect battery te'sinals r and connectors for any abnor=:1 conditions (i.e. corrcsitn, overheating) and note descrep ncies on the applicable f ar (f?F 34.315.'J3-1 or 2) under

, cor.en ts.

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I E.D Visually insp3 t batte y an] battez; tres for r,eceral claenliness aad report any abr.oenal condit .ons 8

'i.e. c..:m:s;ve dirt, electrolyte ,pil.lsgs) an th: a.,pl ;_.'.o t ,rm si?7 3' 313.5'J ' er ')

rader cos .sats. . _ . . _ _ _ . _ _

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! 8.9 VI,ually ch:ch electralyte leiel in 511 crile. lid vat ar I

-(distilled or decineralb:ed only) 2:.aa :my celi elsetrolyte reaches ti2 la .8.. vel U .v: . I f w a t e r i .; .134.:d to a ny c.:' 1, t he n A

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water shocid be addad to bring all cells,to the high level line. -

Indicate in "Cosment" Secting of ap?l'cabic foYn (S?? 34.315.33'-1 -

or 2) if water was added to any cells. .

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,,).O ACCEPIA::CE CRITEi.~.*.

9.1 The k' acch Engineer shall be notified if any of th2 folloains' Acceptance Criteria have not baen met for the' individual pilot celle:

9.1.1 Temperatures within 5*F of each other and less than 110*F.

9.1.2 Float voltages between 2.21 and 2.25 V DC and total battery voltage between 130 V DC and 135 V DC -

I:0TE: If 9.1.2 cannot be met an adjustment of the float voltage by *

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Operations personnel is required.

9.1.3 Minimun n=bient temperature shall be 70*F 9.2 2. e ..a :h :- +faaer shvi! b2 n..t i t i ed : at s n f..p.c l ic

. 2.; Chnrga . n: .:.:

performed if e.ny of the followin,r. ..cce.a: acte Criteria h: rte not haan :nt for the individual pilot cells:

9.2.1 Corrected specific gravity >1.195 .

9.2.2 Average pilot cell corrected specific gravity not greater than .010

. below the acceptance test value of 1.215

' - (N Corrected specific gravi:y not greater than .010 below the cverage 9.2.3

( ,) - pilot cell corrected specific gravity 9.2.4 Float voltage greater than 2.17 V DC and r.o core than .05 V DC above or below the average pilot cell voltage 10.0 FINAI. CO::DIT10!S 10.1 All vent covers installed.

10.2 Electrolyte test equipment cleaned.

10.3 Procedure and SPF34.315 03-1 or 2 submitted for revie.e an! filias in accordance with R?f::.u :t 11.2.

10.4 - .::.: Ja ch  ;;i : c.er !. . . d . e r, r n 8 -Cl ad I ' ar.;. ,e tre has be m alie.1 to the

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. , l'1. 0 REFEF.E!:CES .

11.1 Could Compsny; Lead Acid Stor.12e Ba:ceries; Instruction Manual; File Code

,, C019.180.02 , .

11.2 SP12 016 01, Surveillance Frogrs= ,

11.3 SP27.410.01, HVAC Battery R:0:s-E:drogenConcentrationTest 11.4 Technical Specifications 5/19/76, se: tion 4.8.2 3 2a '

12.d APPENDICES 12.1 125 V DC B2ttery !!aekly Check ::cta Sheet (1R42*2A-A,B,C) ,

12.2 125 V DC Bettery Ueekly Check Data Sheet (IR42-BA-N1 & N2 1R71-BA-N1) 12.3 Specific Cravity correction Factors .

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