IEC 60076, ANSI/IEEE Std C57.12, NEMA
ISO 9001, KEMA, CESI, CE, TUV, UL, ASTA
Mineral Oil / Vegetable Oil (FR3), Free PCB
Low loss, Low partial discharge, Low temperature rise
Seismic design, ETGI-1.020, IEEE Std 693, NCh2369
Structural design, ASTM A325, ANSI/AISC 360, AWS D1.1
High altitude correction per IEC 60076 & IEEE C57.12, ~ 5000m
66kV Three-phase Two-winding Power Transformer with NLTC
Rated Power (kVA) | Voltage and tapping range(kV) | Vector group | No-load loss (kW) | Load loss (kW) | No-load current (%) | Impedance (%) | |
HV | LV | ||||||
630 | 63±5%
66±5%
69±5% | 6.3
6.6
10.5
11 | Yd11
Dyn11 | 1.28 | 7.13 | 1.4 | 8 |
800 | 1.52 | 8.55 | 1.35 | ||||
1000 | 1.76 | 9.88 | 1.3 | ||||
1250 | 2.1 | 12 | 1.3 | ||||
1600 | 2.5 | 14.1 | 1.25 | ||||
2000 | 2.88 | 16.63 | 1.2 | ||||
2500 | 3.44 | 19.7 | 1.1 | ||||
3150 | YNd11
Dyn11 | 4.1 | 23.1 | 1.05 | |||
4000 | 4.8 | 27.4 | 1 | ||||
5000 | 5.76 | 30.8 | 0.85 | ||||
6300 | 63±2×2.5%
66±2×2.5%
69±2×2.5% | 6.3
6.6
10.5
11 | 7.36 | 34.2 | 0.75 | 9 | |
8000 | 9 | 40.6 | 0.75 | ||||
10000 | 10.6 | 47.9 | 0.7 | ||||
12500 | 12.5 | 56.8 | 0.7 | ||||
16000 | 15 | 69.8 | 0.65 | ||||
20000 | 17.6 | 84.6 | 0.65 | ||||
25000 | 20.8 | 100 | 0.6 | ||||
31500 | 24.6 | 120.6 | 0.55 | ||||
40000 | 29.4 | 141.5 | 0.55 | ||||
50000 | 35.2 | 175.3 | 0.5 | ||||
63000 | 41.6 | 211.2 | 0.45 | ||||
66kV Three-phase Two-winding Power Transformer with OLTC
Rated Power (kVA) | Voltage and tapping range(kV) | Vector group | No-load loss (kW) | Load loss (kW) | No-load current (%) | Impedance (%) | |
HV | LV | ||||||
6300 | 63±8×1.25%
66±8×1.25%
69±8×1.25% | 6.3
6.6
10.5
11 | YNd11 Dyn11 | 8 | 34.2 | 0.75 | 9 |
8000 | 9.6 | 40.6 | 0.75 | ||||
10000 | 11.4 | 47.9 | 0.7 | ||||
12500 | 13.4 | 56.8 | 0.7 | ||||
16000 | 16.2 | 69.8 | 0.65 | ||||
20000 | 19.2 | 84.6 | 0.65 | ||||
25000 | 22.7 | 100 | 0.6 | ||||
31500 | 27 | 120.6 | 0.55 | ||||
40000 | 32.2 | 141.5 | 0.55 | ||||
50000 | 38.1 | 175.3 | 0.5 | ||||
63000 | 45 | 211.2 | 0.45 | ||||
