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Distribution TransformersFunctional Specification Guide

Three-Phase Pad-mounted Compartmental Type G210-12-1

Functional Specification for Three-Phase Pad-Mounted DistributionTransformers 45 10!000 "#$

1.0 Scope

1.1. This specification covers the electrical and mechanical characteristics of 45-10000!"# Three-Phase Step-$o%n Pad-&ounted $istri'ution Transformers. ("# ratin)s fortransformers %ith secondary volta)es not e*ceedin) +00" are 45-,+50 !"# %hile !"#ratin)s for transformers %ith secondary volta)es )reater than +00" are 1000-10000!"#. Product is per Cooper Po%er Systems catalo) section 10-1.

.0 $pplicable Standards

.1. #ll characteristics definitions and terminolo)y e*cept as specifically covered in thisspecification shall 'e in accordance %ith the latest revision of the follo%in) #/S222/2 and $epartment of 2ner)y standards.

C5+.1.00 3 222 Standard for Standard General euirements for 6iuid-mmersed$istri'ution Po%er and e)ulatin) Transformers.

C5+.1.7 3 Pad-&ounted 2uipment - 2nclosure nte)rity.

C5+.1.,4 3 222 Standard euirements for Pad-&ounted Compartmental-TypeSelf-Cooled Three-Phase $istri'ution Transformers 8500 !"# and

Smaller9 - :i)h "olta)e; ,4500Grd

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,.0 %atin&s

,.1. The transformer shall 'e desi)ned in accordance %ith this specification and the !"#ratin) shall 'e;

45 +5 11.5 150 5 ,00 500 +50 1000 1500 000 500 ,000 ,+50 5000+500 10000 8ran)e may also 'e specified9.

,.. The primary volta)e confi)uration and the 'asic li)htnin) impulse insulation level 8>69shall 'e EEEEEEEEEEE ma!e a selection from Ta'le 1 $ual volta)es are alsoavaila'le.

,.,. The secondary volta)e confi)uration and the 'asic insulation level 8>69 of thesecondary volta)e shall 'e EEEEEEEEEEE ma!e a selection from Ta'le 1

Table 1

%atin&s for Three-Phase Transformers'Sin&le %atio(

Primar) #olta&e *+, '"#( Secondar) #olta&e *+, '"#(

400 $elta41A0 $elta4700 $elta+00 $elta1000 $elta14+0 $elta1,00 $elta1,700 $elta14400 $elta1A4,0 $elta,4500 $elta4,700 $elta41A0Grd

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,.4. The transformer may 'e furnished %ith full capacity hi)h-volta)e taps. The tap chan)ershall 'e clearly la'eled to reflect that the transformer must 'e de-ener)iIed 'eforeoperatin) the tap chan)er as reuired in Section 4., of #/S C5+.1.,4. The tapchan)er shall 'e opera'le on the hi)her volta)e only for transformers %ith dual volta)eprimaries. The unit shall have one of the follo%in) tap confi)urations;

/o TapsT%o 3 JH taps a'ove and 'elo% rated volta)e 8split taps9Four 3 JH taps 'elo% rated volta)e 8four 'elo%9/2 taps 814400 1,700 1,00 14+0 15409/on-standard tap confi)uration

The applica'le tap confi)uration shall 'e specified on the inuiry.

,.5. The avera)e %indin) temperature rise a'ove am'ient temperature %hen tested at thetransformer ratin) shall not e*ceed A5C %shall not e*ceed 55C %at the 'ase

transformer ratin) shall not e*ceed 55C and %hen tested at 11H of the 'ase ratin)shall not e*ceed A5C.

,.A. The percent impedance volta)e as measured on the rated volta)e connection shall 'eper Ta'le . For tar)et impedances the tolerance on the impedance shall 'e K- +.5Hof nominal value for impedance values )reater than .5H. The tolerance on theimpedance shall 'e K- 10.0H for impedance values less than or eual to .5H.

Table 2

Percent +mpedance #olta&e

.#$ %atin& ',o/ olta&e 00 #( +mpedance

+5 1.10 - 5.+511.5-,00 1.40 - 5.+5

500 1.+0 - 5.+5+50-,+50 5.+5 nominal

.#$ %atin& ,o/ olta&e 3 00 # 'all nominal alues(

150 !" >6 00 !" >6 50 !" >6

1000 - 5000 5.+5 +.00 +.50+500 - 10000 A.50 +.00 +.50

, of 14 B une 00= B /e% ssueD00= Cooper ndustries. #ll i)hts eserved.

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4.,.4. The tan! 'ase must 'e desi)ned to allo% s!iddin) or rollin) in any direction. 6iftin)provisions shall consist of four liftin) lu)s %elded to the tan!.

4.,.5. The tan! shall 'e constructed to %ithstand + psi %ithout permanent deformation and15 psi %ithout rupture. The tan! shall include a 15 psi) pressure relief valve %ith aflo% rate of minimum ,5 SCF&.

4.,.A. The e*terior of the unit shall 'e painted &unsell +G

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4.4.,. >ushin) Confi)uration

6 15725 .# %$D+$, F88D D8$DF%9T

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6 ptional $ccessor)

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+.,. n addition the manufacturer shall provide certification upon reuest for all desi)n andother tests listed in C5+.1.00 includin) verification that the desi)n has passed shortcircuit criteria per #/S C5+.1.00 and C5+.1.=0.

+.4. n the event of proposal 'id evaluated %ith )uaranteed losses due to a loss evaluation8see section 10.09 manufacturer shall conform to )uaranteed avera)e losses asspecified in #/S C5+.1.00. The no-load losses of a transformer shall not e*ceed thespecified no-load losses 'y more than 10H and the total losses of a transformer shallnot e*ceed the specified total losses 'y more than AH.

7.0 $pproed Manufacturers

7.1. Cooper Po%er SystemsVLau!esha L

=.0 $ccessories

=.1. The follo%in) accessories and options shall 'e provided;

6 >olted main tan! cover 81000 !"# W 'elo%9 6 Lelded main tan! cover %ith 'olted handhole 81500 !"# W a'ove9 6 1.0 upper fill plu) 6 1.0 drain plu) in 6" compartment 8500 !"# W 'elo%9 6 1.0 drain valve % samplin) device in 6" compartment 8+50 !"# W a'ove9 6 #utomatic pressure relief valve 6 &etal drip shield 8%hen 'ayonets specified9

60 deep ca'inet 8500 !"# W 'elo%9

6 4 deep ca'inet 8,000 !"# W a'ove9 6 Ground provisions per C5+.1.,4 section =.11. 6 &eet /2 T-1 sound levels 6 6iuid level )au)e 6 $ial-type thermometer )au)e 6 Pressure vacuum )au)e 6 1.0 drain valve % samplin) device in 86" or :"9 compartment 8500 !"# W 'elo%9 6 Opper fill valve 6 Pressure vacuum 'leeder 6 4 deep ca'inet 6 ,0 deep ca'inet 6 ,A deep ca'inet 6 40 deep ca'inet 6 Spare 'ayonet fuse lin!s 6 Fault indicator provisions 6 Ground connectors 6 &r. @uch %arnin) W dan)er si)ns 6 $an)er hi)h volta)e %arnin) si)ns 6 &iscellaneous stencilin) 6 /on-PC> decal

11 of 14 B une 00= B /e% ssueD00= Cooper ndustries. #ll i)hts eserved.

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6 Touch-up paint 6 nterphase 'arriers 8for live front primary units only9 6 Seismic Ione , and 4 tan! anchorin) 6 Complete ,046 stainless steel tan! and ca'inet 6 ,046 stainless steel tan! 'ase and ca'inet sides W sill 8partial9

6 6iuid level )au)e %ith au*iliary contacts 6 $ial-type thermometer )au)e %ith au*iliary contacts 6 Pressure vacuum )au)e %ith au*iliary contacts 6 Current or potential transformers 6 apid rise relay %ith seal-in panel 6 Lindin) temperature indicator 6 Latt-hour meter pac!a)e 3 includes G2 !"c 2ncompass T& 2lectronic &eter

Factory supplied %irin) shall 'e internal to the ca'inet not in conduitCommunication connection shall 'e the @PT@C@& port.

6 :armonic resistant (-factor desi)n (X4 = 1, or 0 6 Forced air @/#F 8mineral oil9 or (/#F 82nvirotemp F,9 ratin). Forced air ratin)

reuires documentation from Cooper Po%er Systems customer that they area%are this transformer is no lon)er tamper resistant and is no lon)er incompliance %ith #/S standards.

6 Future forced air ratin) 6 F& Glo'al 8F&9 #pproved transformer 8to comply %ith /2C 450-, listin)

restrictions for installations on near or inside of 'uildin)s9 6 Com'ination O6 6isted W Classified transformer 8to comply %ith /2C 450-,

listin) restrictions for installations on near or inside of 'uildin)s9 per O6 QP6: 6 O6 6isted transformer 8certifyin) compliance %ith #/S standards only9 per O6

QP6:

10.0ptional Transformer 8aluation

6 /o unit evaluation 'ut include uote losses as reference only on 'id. 6 Onit loss evaluation )uaranteed avera)e losses. Criteria to properly evaluate

uoted losses; Core loss evaluation 8#-factor9 EEEE Y%att

Lindin) loss evaluation 8>-factor9 EEEE Y%att8Cooper may 'e contacted for sample loss evaluation method9

11.0 Shippin&

11.1. Transformers 1000 !"# and 'elo% shall 'e palletiIed. Transformers 1500 !"# andlar)er shall 'e loaded and unloaded %ith overhead cranes so a pallet is not to 'eprovided for these transformers.


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1.0 Data ;ith Proposal

1.1. The follo%in) data shall 'e su'mitted %ith the proposal;

Core losses 8%hen reuested per Sections +.4 and 10.09.

Lindin) losses 8%hen reuested per Sections +.4 and 10.09.

Percent mpedance

Typical 'id dra%in)

#pproval dra%in) 3 dra%in)s shall sho% final dimensions and features. Lhenreuested approval dra%in)s shall 'e provided per uoted leadtime.

ecord $ra%in) 3 dra%in)s shall sho% final dimensions and features. Lhenreuested record dra%in)s shall 'e provided.

1,.0 Serice

1,.1. The manufacturer of the transformer shall have re)ional service centers located %ithin hours fli)ht time of all conti)uous 47 states. Service personnel shall 'e factory trained incommissionin) and routine service of uoted transformers.

1, of 14 B une 00= B /e% ssueD00= Cooper ndustries. #ll i)hts eserved.

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#PP2/$Q 1; S%itchin) @ptions and Schematics

1 n7ff S/itch 2 n7ff S/itches = n7ff S/itches

8e; Cooper Po%er Systems catalo) section 700-A594-position sectionaliCin& s/itches;#-blade s/itch

$escription of positions;Feed from # W >Feed from # onlyFeed from > only@pen V the loop is openand the transformer is de-ener)iIed

T-blade s/itch

$escription of positions;Feed from # W >Feed from # onlyFeed from > only@pen V the loop is closedand the transformer is de-ener)iIed

8e; Cooper Po%er Systems catalo) section 700-A49


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