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ondit ion

haracterist ica.Typeb. Cool ing lessc.Phased. i requcncye. l.alod /rtl{ngeI , H .VWind ing

2. - .V Hindinr lf .Connect ior r

l , H . \ /W ind ing' 2. .L.V Ar indingg. nsulnt ion lass6. l-ow-freqg,oncYes tl . !1. \ . / .r i r rd ing

2.L. \ / .& L V.N.Windingi .B ILl , H .V u t i nd ing

2 L. \ / l t L \ / N. Windingj. % l*peaance ?olm eAancs'lr.Ph,@ndiogrnntvecfor

Bushingr , .T)peI ,H V $r rsh ing2. L V Buching N Btrshing

b . t s t L| ' l {YSrrs l r ingL'Lv Br.rcl"lig & N Bushingc. Rcte.dVol+sga

l . U"V . r r r : ; l t i t t g1. L V I : l r r ' : f 1n* gLV N. $techingrt . lt he*Vr.rltagcl 'H,V-Bush ing2.-L\l-Bushinrr

L V ' N " B u s l t i n g

Twocore v i r rc l i r r3i l mmersedONAN/ONAFThree60l-tz67kV Dc l ia13.2k\ / Crot rnCcdYe/7 '620ikv

Del ta ;Wycner.rtralrought ut hroudh bushingI140 \ /50kv3s0 vi l0 kv59,bo 7,6% r4ax. t rated oltage nd65oC iseDyN l :

Oi l filled ype vith ight lass;bothushing hall e n aocordanceoi\ '1 L/tllEIlC57.12,00' 988, ANSUU/IEEE24-9884350KvI IOKV69kv13.2 v72.5 Vl5 kvsuitableor differentialelay nd n accordanceith AI'{sI/IEEE

l. OutdoorTroPical)2.permissibleemperatureiseabove mbientemperatureof a nrax imunr[40oC -55oC

3.TransforrneroPOil - 60oC4. Ave,WindingTemP. 65oC5. -lotSpot1. nrP. - 78oC6. Typeof service - continuous7'Starrdarc l - I lC76, IEEE/A} iSIc57.12.00- |987andB2.0

e,BqshingC.T..

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ITiI{ DESCRIPTION

mentof,^.STi\,D34)?-: l l47l;li:'r[,Hr" a, ,00% f he ransformerequirementhall ef i lrnished by th e nranufactluer r t - -J L^ roco rhon do k\lli:li,l#'JlJil-;ru" '"'e @,fulload1q,igl1llprttl rrcl ri p contacton al l indicators,;iii; i;,;;.' ndnip ontactnall ln{icators*,illt alltttt riiclrtp contact n al l indicatorsi.rutocsctnnd nttst emourrted n to.pof theUansformerank::',i;1,n;"t.'ancl rrp contact n all indicatons p :,er'I :l :l : l,';:Hf,U:f#llln nstrumentS r r p P I i e rl l t l s t t l D m

l . L .V .Bush ing2.L.V 'N. ush ingf . Ter 'r r t i r r i r l

l . F IV ' R t r s h i n g2 . L ,V ' Bus l r ing

e. [es[voftogei. t iPrlt* test oltage'l '2/60si. r^purr*tcst oltngehoPPedWove

m" Vtarki,ngistancer-Crc*gWdistnrrced''oi 'i@ r'ndic6ltr'

N. Oit

SPEGIFICATIONstd3 r.rnitsDoubleRatioclamp ype erminal or connectionwith 336'4MCM ACSRclamp ype ermind ;;;;;;"ction with 2t0 to336'4McMACSRt rl o /\,', 601-lz, niiu' dry/rvet350 ull wave440kvmax oadat rated \A/Arnax oacl tCi'lJrF ating

r 1 50705nrm2000mm

loodwith Pad

-n*?a t,u' instftiruc t" il'*qP::'*:"^"L"1B'[i #iq-b'fenture indi atorc.Orllevdgil,tgPd' Pr${ira tli4d evcea.Bt^drolzrdlql

locl: ro\ r rs lot ' lsivill Consl-nrfian .fhecore f rl:c ransfornrerhallbeconstructedf thehighest uatitI rn tnati n o :r n-aging'old'rolled' rain-orientedilicon teel fhiglrpcrrn':llriiitv t;ili;e) ana t1out buns'Eaohaminationslellbc .:;ulrtecliin nignqualitynsulationoating'I t.CPR E ard \rirrdings

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ITI}. ,1 ESCRIPTION

b. ' l - ; rnknnd l i i t t ings

c.$ase.s

Df E| .J l l - l \ r ra I l \ . , r r

-l.hetransf'orrncrhallbe providedwith a suitable teel ankofsubstnnrialott: trt tct ionhichwil l beoil+ightandgas-t ight '

The rrrnsforrnernnkshallbeprovidedwithhandhole f suitable izeto afTcrriirrs)1l.rrigsso the owerendsof bushing erminals nd heuppercrl ir i l : oI thecoilsandalsobleeding rovisionsor rappeda i r .

T'e sa'sfon'er srrail eprovidedwith a suitabre yeand/or ugs orl i f t ingtheessent ia|parts ,a lsofor l i f t ingthecomplete lyassemblet rnr ts forrnt : rl I I rd v i t l r i l 'Thc tr;tsl ' rf : , ' : r-hall epro"' idecl ith balloon'type r butterf ly-typevrlves i,itlrpaci.:ingrade f graphite ndasbestosreematerialwithscaling inr', ttnclc f Perbunanubberas equired or:---ujcio"ri irrat ionof oil draining ndoil fr l tering'

b) Oi l 1'r l terincuPPer), j Dir.o,, , , .cLrngheconscrvatorrom

hemain ankif'a r:onServdorank s used

d) Isolatr geach adiator'e) Otherg

l'hc transformcrshalleprovidecl ith a breather ndsilicagelcompartrnenl.togpnlUctroisture ccumulationnside he ank f aconsefwlor arKi:;used,ThetonsforrnefShelleprovided ithasteel kid ypebase'Jockingu6s hatf eprovidedor raisinghecompletelyssembled,oi l filled ransfonnerhen he ransformers o bemoved'Ancbr:r oltSOr,d lamPFor securinghe ransformero itsfoundoiionhsll eclisignedou'ithstandorces f earthquakequalro O,25C honzanr"iaicceleratiort t 2.45 m/seo(6.5 on richter scalent n , r 1 'n)

Thecores hallbe carefully ssemblednd rigidlyclampedo ensureadequatemechanical trength o support he windingsand o preventshiftingof the aminationduringshipmentandoperations, ndalso oreduce ibration ndnoise o a minimumunderoperating onditions'

The wo (2) winclings f the ransformerhallbe of highconductivitycopperandtheirrsulat ionmaterialofhighquality'Thetrarrsformerrv indi r rgshal l rave ni formnsulat ion '

d . R s d i a t o r s Hot-dip ivani'zed

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SPECIFICATIONtTtM DESCRIPTIONThe transformerhallbe furnishedwith oil-to-aircooled adiators srequiredorsel-cooledating'

The adiatorshalland he oinsshall

beattachedo flangesweldednto he ankwall'bemadeightby means f suitalbe askets'

The trnnsfornrerhallbeprovicled y conservatorank'Theconsen'atorlttk trtust e he rypewhich completely xcludes ir romcontactwith theoi l by means f a aiaphragm' ndshallbe ittedwitha breathern whichsilicagethasbeed illed asa dehydratinggentanc lhebrcr l l ier hal l e v i th noi l t rap '

e,Oi I Pre: -cn ' : t t ior t

1.W{ringtandControls

61. ans?ndCorrtrol

h.Fointing

weather-|roof crntinals ndcontroIcabinetwith thermostaticallycontrc, lc. lrt ' r, l trro beproviclccl 'abineto have rovisionsortcn' in: it ir. ,rt: ' : r;r;rdl,rd.srrlateduxil iary ontrol ignalWiringOnate r t t t i t ta l loc l