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Rockwill Electric Group
Rockwill Electric Group
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.
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 |
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.