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Oil-immersed distribution · Compact substations · Pad-mounted

Distribution transformers, built to the destination grid's standard

Voltage ratio, frequency and vector group are set by the destination grid: 415 V for West Africa, 20 kV for Indonesia, 60 Hz for the Philippines. 10 kVA to 31.5 MVA, primary 2.4 to 40.5 kV, to IEC 60076.

Find your ratingDownload catalogue (PDF)

Losses and dimensions are assessed to IEC 60076; tolerances as per the technical agreement.

Assembly shopXuzhou · Assembly shop
10 kVA – 31.5 MVAVA rating range
40.5 kVmax. primary voltage
415 VLV standard, West Africa
50/60Hz, both supplied

Product range

Product lines

Select by rating, voltage class and destination. Each series carries a full table of ratings and outline drawings.

Oil-Immersed Distribution

Oil-Immersed Distribution S11 / S13

  • Rating30–4500 kVA
  • HV6 / 10 / 11 / 13.2 / 20 / 33 kV
  • LV380 / 400 / 415 / 433 V
  • VectorYyn0 / Dyn11 / Yzn11
  • StandardIEC 60076
21 ratings, 30 kVA to 4500 kVA →
Compact Substation

Compact Substation YBW

  • Rating50–2500 kVA
  • HV10 / 11 / 20 / 22 / 33 / 35 kV
  • Highest voltage Um12 / 24 / 36 / 40.5 kV
  • ProtectionIP23 / oil-filled 55 / dry 65
  • StandardIEC 60076 / BS 171 / SABS 780
HV / transformer / LV room layouts →
Pad-Mounted

Pad-Mounted ZGS

  • Rating10–3000 kVA
  • HV2.4–19.92 kV
  • Frequency60 Hz
  • DesignDead front
  • StandardIEEE/ANSI C57.12
60 Hz design, bushing and fusing options →
Cast-Resin Dry Type

Cast-Resin Dry Type SC(B)11 / SC(B)13

  • Rating30–2500 kVA
  • HV6–15 kV
  • UseIndoor, commercial buildings, data centres
Fire class, partial discharge, noise →
Power Transformer

Power Transformer S11 / S13

  • Rating5000–31500 kVA
  • HV33 / 34.5 / 35 / 38.5 kV
  • LV6.3 / 6.6 / 11 / 15 kV
  • UseSubstations, industrial parks
Two-winding data and drawings →
Core & Windings

Core & Windings Wound core

  • MaterialsGrain-oriented silicon steel, all-copper windings
  • ProcessWound core, foil winding
Materials and process →

Full range

S11 series — complete ratings

Three-phase, two-winding, off-load tap changer, temperature rise 65 K. Select a row to view that rating's plate.

ModelRatingNo-load lossLoad lossNo-load currentImpedance %Oil weight kgTotal weight kgDimensions mm L×W×H
S11-30/1130100 W630 / 600 W2.3 %4.0———
S11-50/1150130 W910 / 870 W2.0 %4.080405800×480×1030
S11-63/1163150 W1,090 / 1,040 W1.9 %4.0———
S11-80/1180180 W1,310 / 1,250 W1.9 %4.0105510840×580×1115
S11-100/11100200 W1,580 / 1,500 W1.8 %4.0120530890×645×1145
S11-125/11125240 W1,890 / 1,800 W1.7 %4.0130670910×600×1185
S11-160/11160280 W2,310 / 2,200 W1.6 %4.0———
S11-200/11200340 W2,730 / 2,600 W1.5 %4.01608901000×760×1240
S11-250/11250400 W3,200 / 3,050 W1.4 %4.01751,0201285×730×1290
S11-315/11315480 W3,830 / 3,650 W1.4 %4.01851,1701280×740×1385
S11-400/11400570 W4,520 / 4,300 W1.3 %4.02151,4101310×750×1432
S11-500/11500680 W5,410 / 5,100 W1.2 %4.02601,6451365×765×1510
S11-630/11630810 W6,200 W1.1 %4.53102,0701485×815×1615
S11-800/11800980 W7,500 W1.0 %4.53702,4451640×930×1590
S11-1000/111,0001,150 W10,300 W1.0 %4.54252,8001860×1120×1630
S11-1250/111,2501,360 W12,800 W0.9 %4.54803,3201860×1120×1830
S11-1600/111,6001,640 W14,500 W0.8 %4.55504,1751975×1175×1900
S11-2000/112,0002,520 W17,820 W0.6 %5.08904,6001970×1200×1950
S11-2500/112,5002,970 W20,700 W0.6 %5.01,1504,9502100×1250×2000
S11-3150/113,1503,510 W24,300 W0.4 %—1,4005,2502500×1300×2150
S11-4500/114,5004,320 W28,800 W0.4 %—1,900—3000×2000×2300

Load loss: value before the slash for Dyn11 / Yzn11, after it for Yyn0; identical from 630 kVA up.

Manufacturing

Production and testing

Own plant in Xuzhou, Jiangsu, in production since 2019. Winding, core drying, final assembly and routine testing are carried out in house.

About Jinying →

Assembly shop

Assembly shop

Oil-immersed units awaiting routine tests, HV and LV bushings fitted.

Pad-mounted finished goods

Pad-mounted finished goods

Single-phase pad-mounted units for 60 Hz markets.

Large-capacity assembly

Large-capacity assembly

Power transformer with conservator, core and tank assembly.

Dry-type assembly line

Dry-type assembly line

Cast-resin dry-type units with temperature controllers fitted, awaiting routine tests.

Xuzhou plant

Xuzhou plant

Own premises in Xuzhou, Jiangsu, in production since 2019.

Packing area

Packing area

Tested units packed and awaiting despatch.

Certification

Certification arranged for the destination country

IEC 60076IEEE/ANSI C57SABS 780ISO 9001
DestinationHVLVFrequencyConformity scheme
Southeast Asia
Indonesia20 kV400 V50 Hz—
Philippines13.2 kV240/480 V60 Hz—
Vietnam22 kV380 V50 Hz—
Africa
Nigeria11 / 33 kV415 V50 HzSONCAP
Kenya11 / 33 kV415 V50 HzPVoC / KEBS
Tanzania11 / 33 kV400 V50 HzTBS
South Africa11 / 22 kV400 V50 HzSABS 780
Egypt11 / 22 kV400 V50 Hz—
Ghana11 / 33 kV400 V50 Hz—
Angola15 / 30 kV380 V50 Hz—
Central Asia
Kazakhstan6 / 10 kV380 V50 Hz—
Uzbekistan6 / 10 kV380 V50 Hz—
Latin America
Chile12 / 23 kV380 V50 Hz—
Mexico13.2 / 23 / 34.5 kV220Y/127 V60 HzNOM-002-SEDE/ENER
Colombia11.4 / 13.2 / 34.5 kV208Y/120 V60 HzRETIE
Peru10 / 22.9 kV380/220 V60 Hz—

Southeast Asia

Indonesia20 kV · 400 V · 50 HzPhilippines13.2 kV · 240/480 V · 60 HzVietnam22 kV · 380 V · 50 Hz

Africa

Nigeria11 / 33 kV · 415 V · 50 HzSONCAPKenya11 / 33 kV · 415 V · 50 HzPVoC / KEBSTanzania11 / 33 kV · 400 V · 50 HzTBSSouth Africa11 / 22 kV · 400 V · 50 HzSABS 780Egypt11 / 22 kV · 400 V · 50 HzGhana11 / 33 kV · 400 V · 50 HzAngola15 / 30 kV · 380 V · 50 Hz

Central Asia

Kazakhstan6 / 10 kV · 380 V · 50 HzUzbekistan6 / 10 kV · 380 V · 50 Hz

Latin America

Chile12 / 23 kV · 380 V · 50 HzMexico13.2 / 23 / 34.5 kV · 220Y/127 V · 60 HzNOM-002-SEDE/ENERColombia11.4 / 13.2 / 34.5 kV · 208Y/120 V · 60 HzRETIEPeru10 / 22.9 kV · 380/220 V · 60 Hz

Enquiry

Request a quotation

Complete the technical conditions below and we will quote within one working day. WhatsApp gets the fastest reply. Please include rating, voltage class and destination country.

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