8/12/2019 MINERA Pole Mounted Technical Data SheetGEa01f

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HV/LV distribution transformerspole mounted immersed transformersfrom 50 to 160 kVAinsulation < 24 kV / 400 V

standardsThese transformers c omply with (1) : IEC sta ndards; French standards NF C 52-100 (1990) andNF C 52-112-1 (1994) ; Electricit de Franc e technical sp ecifica tionHN 52 S 20 (november 1993) ; CENELEC harmonization do cumentHD 428-5.

France Transfo guarantees that its transformers are as- sembled using comp onents that are both new andPCB-free (< 2 ppm level), in strict com pliance with thecurrent standards.description

three-phase transformers, for pole mountingin overhead systems. For the hanging onpoles, in an inclined p os ition, they a re eq uippedwith a hook in accordance with EDF technicalspecification HN 52 S 20 (november 1993) ;

step-down type (1) ;rated frequency: 50 Hz (6) ;maximum ambient temperature : 40 C (5) ;mineral oil immerse d (1) ;hermetica lly sea led w ith integra l lling (1) ;bolted cover on corrugated tank ;ONAN type na tural coo ling ;anti-corrosive treatment : tank and cover fully

hot dip ga lvanized ;anti-corrosive c oa ting ;na l colour grey RAL 7033.

basic fittings1 off-circuit tappings sw itch w ith pa dlocking

loca ted on the co ver ; this s witch operates on thehighest rated voltage to bring the transformer tothe supply voltage-actual value ;

3 HV porcelain bushings o n the cover;4 LV porcelain bushings - 250 A on the small

side of the tank ;1 LV bushing protection (only for storage and

handling) ;1 ea rthing terminal on the hang ing d evice ;2 lifting and untanking lugs ;1 rating plate xed on the small side of the tank;1 lling plug ;protection index IP 00.

optionsThe follow ing fittings ma y be provided a san o ption :

3 spec ial s eas ide HV porcelain bushings ;3 HV plug-in bus hings 250 A/24 KV ;

3 HV mob ile p lug-in c onne cto rs 250 A /24 kV,straight or elbow (the cable characteristicsshould a lwa ys b e s pecified) ;

polyester box eq uipped with Ga rdy c ircuit-breakers

electrical characteristicsrated power (kVA) (1) 50 100 3150

rated voltageprimary (1) 15 or 20 kV

seco ndary at no-load (1) 400 V between phases, 231 V phase to neutralrated insulation level (3) primary 24 kV for 20 kV, 17.5 kV for 15 kVHV tapping range (o ff volta ge) 2.5% or 5%

vector groupstar - zigzag neutral brought-out, Yzn 11 for 50 kVAdelta - sta r neutral brought-out, Dyn 11 for 100and 160 kVA.

losses (W)no-loa d 145 210 460 (4)

load (2) 1350 2150 2350rated impedance voltage (%) (2) 4 4 4no load current (%) 2.9 2.5 2.3voltage dropat full load (%)

P .F. = 1 2.68 2.16 1.54P .F. = 0.8 3.92 3.73 3.43

efficienciesat full load (%)

P .F. = 1 97.10 97.69 98.27P .F. = 0.8 96.40 97.13 97.85

noise level (4) dB (A)

ac oustic pow er L WA 50 49 62ac oustic pressure L P A a t 0.3 m 40 39 52

(1) others possibilities upon request, consult us.(2) load losses a nd rated impedance voltage a t 75C.(3) reminder of insulation levels :

(4) noise measure in compliance with the IEC 551 standard.(5) other ambient temperature (45C, 50C, 55 C, etc )upon request, co nsult us.(6) other rated frequency (60 Hz) upon request, consult us.

rated insulationlevel (kV) 7,2 12 17,5 24 36

kV r.m.s . 50 Hz - 1 mn 20 28 38 50 70

kV B .I.L. 1.2/50 s 60 75 95 125 170

D 165 for 50 and 100 kVA ;D 265 Tfor 160 kVA,

protection through thermal image trippingdevice:

3T/6T bic a libre up t o 100 kVA inclus ive ;7T for 1 60 kVA ;

Note: Gardy circuit-breakers are in accor-dance with EDF specifications HN 63 S 11(1984) a nd a pproved b y EDF technical de-partments.

ma nual mecha nica l control, lockable in

both positions (connected or disconnected).The c ircuit-breaker box a nd its mecha nica lco ntrol ca n not be mo unted on po les o f differ-ent section or nature.

Note : the above options concern usual cas esand are not restrictive. For other information,pleas e c onsult us.

8/12/2019 MINERA Pole Mounted Technical Data SheetGEa01f

2/2

HV/LV distribution transformerspole mounted immersed transformersfrom 50 to 160 kVAinsulation < 24 kV / 400 V

AMTED 300010ENART. 86168

Due to the evolution of sta nda rds a nd ma terials, thepresent document will bind us only after confirmationfrom tec hnica l depa rtment.

Publication : S chneider Electric SAConception, ralisation : COREDITImpress ion : imprimerie U TIMGEa 01 f

Schneider Electric Industries SA

03/2000

Adresse po sta le :France Trans foBP 10140F-57281Maizires-ls-Metz cedexFrancetl : 33 (0)3 87 70 57 57fa x: 33 (0)3 87 51 10 16http://ww w.s chneider_electric.co m

RCS Nanterre B 954 503 439

dimensions and weightsTypica l dimensions and weights are indica ted inthe table below for mineral oil immersed trans-formers.

They a re provide d fo r 20kV/400 V trans formerswith electrica l charac teristics, a s d esc ribed in theprevious table.For other electrica l cha racteristics (voltag e, los s-es, e tc ) or other dielectric, dimensions a ndweights w ould be different, plea se, cons ult us.

N. B.The terminal marking is in ac co rdanc e w ithNFC 52 100 (1990), see attached diagram.Upon request, it can be d one in ac cordancewith IEC sta nda rds 616 (1978).

F F

JB

C

33035

M12

A

M12

30

350

lifting lug

filling plugoff-circuittappings switch

ab

c

n

C

with standards HVporcelain bushings

dimensions (mm)kVA 50 100 160

A 880 960 1170B 610 680 700C 770 820 830F 260 265 265

J 730 750 800weights (kg)total 340 490 615mineral oil 90 110 150

JB

C

4803 5

M 12

A

M12

30

lifting lug

filling plugoff-circuittappings switch

3 5 53 5 5

350

ab

c

n

C

with special seasideHV porcelain bushings

dimensions (mm)kVA 50 100 160A 880 960 1170B 610 680 700C 770 820 830

J 730 750 800weights (kg)total 350 500 625mineral oil 90 110 150

Casual arrangements such as bars and cables supports, exible connectors, etc. are to be provided the contractors in order to avoid mechanical stresses on the transformer at-bars and bushings.