Summary
The 35kV transformer, the use of company-specific calculation and verification procedures, the transformer core, coils, active part, leading tanks and other components for a full range of optimized design and verification, to ensure product performance. Superior technology equipment, careful selection of materials, and efficient manufacturing make the transformer small, light weight, low loss, low PD, low noise and other characteristics of superior product quality, energy saving and environmental protection, reliable operation and effectively reduce the Product operating costs.
Technical data of 35kV Power Transformer
35kV Three-phase Double Windings NLTC Power Transformer
| Rated capacity（kVA） |
Voltage combination and range of tapping |
Vector group |
No-load loss（kW） |
Load loss（kW） |
No-load current （%） |
Short circuit impedance（%） |
| HV |
rangeof tapping |
LV |
| 630 |
35 |
±2×2.5% |
3.15 6.3 10.5 |
Yd11 |
0.83 |
7.86 |
0.65 |
6.5 |
| 800 |
0.98 |
9.4 |
0.65 |
| 1000 |
1.15 |
11.5 |
0.65 |
| 1250 |
1.4 |
13.9 |
0.55 |
| 1600 |
1.69 |
16.6 |
0.45 |
| 2000 |
2.17 |
18.3 |
0.45 |
| 2500 |
2.56 |
19.6 |
0.45 |
| 3150 |
3.04 |
23 |
0.45 |
7 |
| 4000 |
3.61 |
27.3 |
0.45 |
| 5000 |
4.32 |
31.3 |
0.45 |
| 6300 |
5.24 |
35 |
0.45 |
8 |
| 8000 |
YNd11 |
7.2 |
38.4 |
0.35 |
| 10000 |
8.7 |
45.3 |
0.35 |
| 12500 |
10 |
53.8 |
0.3 |
| 16000 |
12.1 |
65.8 |
0.3 |
| 20000 |
14.4 |
79.5 |
0.3 |
| 25000 |
17 |
94 |
0.25 |
10 |
35kV Three-phase Double Windings OLTC Power Transformer
| Rated capacity（kVA） |
Voltage combination and range of tapping |
Vector group |
No-load loss（kW） |
Load loss（kW） |
No-load current （%） |
Short circuit impedance（%） |
| HV |
rangeof tapping |
LV |
| 2000 |
35 |
±3×2.5% |
3.15 6.3 10.5 |
Yd11 |
2.3 |
19.2 |
0.5 |
6.5 |
| 2500 |
2.72 |
20.6 |
0.5 |
| 3150 |
3.23 |
24.7 |
0.5 |
7 |
| 4000 |
3.87 |
29.1 |
0.5 |
| 5000 |
4.64 |
34.2 |
0.5 |
| 6300 |
5.63 |
36.7 |
0.4 |
8 |
| 8000 |
YNd11 |
7.87 |
40.6 |
0.4 |
| 10000 |
9.28 |
48 |
0.35 |
| 12500 |
10.9 |
56.8 |
0.35 |
| 16000 |
13.1 |
70.3 |
0.35 |
| 20000 |
15.5 |
82.7 |
0.3 |
| 25000 |
18.3 |
97.8 |
0.3 |
10 |
| 31500 |
21.8 |
116 |
0.3 |
35kV Three-phase Double Windings NLTC Distribution Transformer
| Rated capacity（kVA） |
Voltage combination and range of tapping |
Vector group |
No-load loss（kW） |
Load loss（kW） |
No-load current （%） |
Short circuit impedance（%） |
| HV |
rangeof tapping |
LV |
| 50 |
33/35 |
±2×2.5% |
0.4 |
Dyn11 |
0.16 |
1.2 |
1.3 |
6.5 |
| 100 |
0.23 |
2.01 |
1.1 |
| 125 |
0.27 |
2.37 |
1.1 |
| 160 |
0.28 |
2.82 |
1 |
| 200 |
0.34 |
3.32 |
1 |
| 250 |
0.4 |
3.95 |
0.95 |
| 315 |
0.48 |
4.75 |
0.95 |
| 400 |
0.58 |
5.74 |
0.85 |
| 500 |
0.68 |
6.91 |
0.85 |
| 630 |
0.83 |
7.86 |
0.65 |
| 800 |
0.98 |
9.4 |
0.65 |
| 1000 |
1.15 |
11.5 |
0.65 |
| 1250 |
1.4 |
13.9 |
0.6 |
| 1600 |
1.69 |
16.6 |
0.6 |
| 2000 |
1.99 |
19.7 |
0.55 |
| 2500 |
2.36 |
23.2 |
0.55 |
Environmental of 35kV Power Transformer
1. Type: outdoor
2. Ambient temperature: max. temperature: +40℃; min. temperature: -30℃
3. Altitude: ≤1000m (temperature rise shall be corrected when＞1000m)
4. Relative humidity: ≤90% (25℃)
5. Installation place: without corrosive gas and apparent fouling.
