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630 kVA three-phase oil-immersed distribution transformer

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630 kVA three-phase oil-immersed distribution transformer
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A 630 kVA three-phase hermetically sealed oil-immersed distribution transformer, 20/0.4 kV, produced by Union Transformers Company in Adra Industrial City to IEC 60076.

More information

  • Rated power: 630 kVA

  • HV and LV winding material: copper

  • Applied standard: IEC 60076

  • Primary voltage: 20 kV

  • Secondary voltage (no load): 0.4 kV

  • Rated primary current: 18.19 A

  • Rated secondary current: 909.33 A

  • Frequency: 50 Hz

  • Vector group: Dyn11

  • Voltage regulation: ±2 × 2.5%

  • Maximum ambient temperature: 50 °C

  • Maximum temperature rise: oil 50 °C, winding 55 °C

  • No-load losses: 940 W

  • Copper losses (at 75 °C): 5600 W

  • Impedance voltage (IEC tolerance applied): 6%

  • Type: hermetically sealed

  • Cooling method: ONAN

  • Weight of oil: 390 kg

  • Total weight of transformer: 2080 kg

  • Overall dimensions (L × W × H): 1680 × 1090 × 1540 mm

  • Tolerance in dimensions and weights: ±10%

  • For more capacities, please contact the company

  • Union Transformers brochure (PDF)

Published by: Union Electric Group (UEG)

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