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Description
The SBH15 amorphous alloy transformer combines an amorphous-alloy core with fully sealed oil-immersed construction to reduce no-load losses. Its published table covers 30–2500 kVA, high-voltage options from 6 to 11 kV and a 0.4 kV secondary for distribution-network service.
SBH15 Amorphous Alloy Transformer — Key Features
- Amorphous-alloy core selected for reduced magnetisation loss.
- Low no-load loss supports networks where transformers remain energised during periods of light demand.
- Fully sealed oil-immersed construction.
- Dyn11 connection group in the published table.
- Off-circuit primary tapping options of ±5% or ±2 × 2.5%.
Technical Parameters
| Rated capacity (kVA) | Voltage combination (kV) | Connection group code | No-load current % | No-load loss W | Load loss (75℃) W | impedance % | ||
| H.V. (kV) | High voltage tapping range % | L.V (kV) | ||||||
| 30 | 6 6.3 10 10.5 11 | ±5 ±2×2.5 | 0.4 | Dyn11 | 1.7 | 33 | 630 | 4.0 |
| 50 | 1.3 | 43 | 910 | 4.0 | ||||
| 63 | 1.2 | 50 | 1090 | 4.0 | ||||
| 80 | 1.1 | 60 | 1310 | 4.0 | ||||
| 100 | 1.0 | 75 | 1580 | 4.0 | ||||
| 125 | 0.9 | 85 | 1890 | 4.0 | ||||
| 160 | 0.7 | 100 | 2310 | 4.0 | ||||
| 200 | 0.7 | 120 | 2730 | 4.0 | ||||
| 250 | 0.7 | 140 | 3200 | 4.0 | ||||
| 315 | 0.5 | 170 | 3830 | 4.0 | ||||
| 400 | 0.5 | 200 | 4520 | 4.0 | ||||
| 500 | 0.5 | 240 | 5410 | 4.0 | ||||
| 630 | 0.3 | 320 | 6200 | 4.5 | ||||
| 800 | 0.3 | 380 | 7500 | 4.5 | ||||
| 1000 | 0.3 | 450 | 10300 | 4.5 | ||||
| 1250 | 0.2 | 530 | 12000 | 4.5 | ||||
| 1600 | 0.2 | 630 | 14500 | 4.5 | ||||
| 2000 | 0.2 | 750 | 18300 | 5.0 | ||||
| 2500 | 0.2 | 900 | 21200 | 5.0 | ||||
Standards
Technical specification reference: IEC 60076-1:2011 (general requirements for power transformers). GB references: GB/T 6451. The applicable requirements and test programme are to be agreed in the project specification.
Applications
- Urban distribution networks.
- Rural electricity distribution.
- Local distribution with prolonged light-load operation.
