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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