SGB DOTR 63000/123 Transformer

Model: DOTR 63000/123

Rated Power: 50 / 63 MVA

High Voltage (HV): 115 kV

High Voltage Tapping Range: +9 / -9 x 1.778% (adjustable under load)

Insulation Level HV: 123/550/230 kV

Low Voltage (LV): 31.5 kV

Insulation Level LV: 36/170/70 kV

Tertiary Voltage: 6 kV

Insulation Level TW: 12/75/28 kV

Frequency: 50 Hz

Vector Group: Yynyn0(d)

Cooling Method: ONAN / ONAF

Maximum Oil Temperature Rise: 60 K

Maximum Winding Temperature Rise: 65 K

Ambient Temperature Range: -25°C to 40°C

Impedance:

• At 50 MVA: 15.8% (± IEC-Tolerance)
• At 63 MVA: 21% (±7.5%)

No-Load Losses: 12.5 kW (+IEC-Tolerance)

Load Losses at 50 MVA: 154 kW (+IEC-Tolerance)

Noise Power Level at ONAF (No Load): 80 dB(A)

Weight Details:

• Shipping Weight: Approx. 87,500 kg
• Weight of Oil: Approx. 15,300 kg
• Active Part: Approx. 58,500 kg
• Total Weight: Approx. 89,800 kg

Dimensions:

• Shipping Dimensions (L x W x H): Approx. 7200 x 3600 x 4000 mm
• Total Dimensions (L x W x H): Approx. 7200 x 3600 x 5035 mm

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