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Indoor Outdoor Three Phase Power Transformer 500kVA 1000kVA 2500kVA Oil Type

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Indoor Outdoor Three Phase Power Transformer 500kVA 1000kVA 2500kVA Oil Type

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Indoor Outdoor Three Phase Power Transformer 500kVA 1000kVA 2500kVA Oil Type
Product Specifications
Attribute Value
Frequency 50Hz, 60Hz
Phase Three
Coil Number Three Windings, Multi Winding, Two Windings, Single Winding
Application Distribution system
Coil Structure Fully sealed construction
Output Voltage 10kV, 415V, 110V, 220V, 380V, 400V, 440V, 480V, 11kV
Input Voltage 11kV, 10.5kV, 3kV, 12.47kV, 6.6kV, 6.3kV, 6kV, 10kV, 35kV, 69kV, 110kV, 115kV, 132kV, 220kV, 400kV
Type Oil-Immersed Transformer, Voltage Regulator Transformer
Rated Capacity 500KVA-2500KVA
Standard DOE/IEC60076/IEEE/ANSI
Feature High Efficiency (98%)
Coil Material Copper/Aluminum Coil
Impedance 6 ~ 16%
Cooling ONAN/ONAF or Customized
Insulation Class Class A
Product Description

Our oil-immersed distribution transformers range from 30kVA to 2500kVA, with voltage levels up to 35kV. They are widely used in power utilities, renewable energy, industrial facilities, railway systems, and urban infrastructure. Designed to IEC and ANSI standards, our transformers offer high efficiency, low losses, and long service life, suitable for both indoor and outdoor environments.

  • Flexible installation for various project requirements
  • Environmentally friendly - supports carbon neutrality goals
  • International certifications ensure smooth overseas compliance
  • Significantly reduces operational costs and energy consumption
  • Extended maintenance intervals with reduced upkeep costs
Main Product Parameters of S22 10KV Double Winding Series
Rated Capacity (KVA) Vector Group Voltage Combination HV Tapping Range LV No-load Loss Load Loss Impedance
30 Yyn0 / Dyn11 10/6.3/6 ±5% ±2X2.5% 0.4 65 455/430 4.0
50 80 655/625
63 90 785/745
80 105 945/900
100 120 1140/1080
125 135 1360/1295
160 160 1665/1585
200 190 1970/1870
250 230 2300/2195
315 270 2760/2630
400 330 3250/3095 4.5
500 385 3900/3710
630 460 4460/4460
800 560 5400/5400
1000 665 7415/7415
1250 780 8640/8640
1600 940 10440/10440
2000 1085 13180/13180 5.0
2500 1280 13360/13360
Why Choose Our Transformers?

Our oil-immersed transformers combine superior engineering with rigorous quality control to deliver reliable power distribution solutions. With extensive experience in transformer manufacturing, we provide:

  • Custom configurations to meet specific project requirements
  • High-efficiency designs that reduce energy losses
  • Robust construction for long service life in demanding environments
  • Comprehensive technical support and responsive service

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