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High-Quality Oil Immersed Distribution & Power Transformers from China Suppliers | Reliable Factory Solutions
Characteristics
- The transformer core is made of amorphous alloy band, no-load loss is 60% lower than that of S9 transformer and 25% lower than the stipulated value of JB/T10318.
- The transformer adopts Ddyn11 to reduce the effect of harmonic wave to power grid and improve power supply quality.
- The transformer adopts vacuum casting tank core, which greatly improves the reliability and stability.
- The transformer adopts vacuum oiling method, which fully eliminates the bubbles, forming into oil tank.
- According to years of practical experiences, our products adopt advanced technology, so the winding insulation and lightning impulse test's full-wave peak voltage is 25% higher than that of national standard, thus to make sure that the transformer can run safely and reliably.
Core
- Width of band: 142mm, 170mm, 213mm
- Height of core aperture: 150-1000mm
- Width of core aperture: 65-500mm
- Thickness of folded core aperture: 20-180mm
- Core height: Width of band+4mm (cooling thickness epoxy resin)
- Width of band+2mm (cooling thickness of gunmetallic)
- Thickness of folded core joint: Thickness of folded core x 1.18mm
- Perimeter of outer max band is 3500mm.
Main Parameters
| Rated capacity (kVA) |
Voltage combination and tapping range (kV) | Vector group | No-load loss (W) |
Load loss (W) |
No-load current (%) |
Impedance voltage (%) |
|---|---|---|---|---|---|---|
| 30 | High voltage 6, 6.3, 10, 10.5, 11 High voltage tapping range ±5±2×2.5 Low voltage 0.4 |
Dyn11 | 33 | 600 | 1.70 | 4.0 |
| 50 | 43 | 870 | 1.30 | |||
| 63 | 50 | 1040 | 1.20 | |||
| 80 | 60 | 1250 | 1.10 | |||
| 100 | 75 | 1500 | 1.00 | |||
| 125 | 85 | 1800 | 0.90 | |||
| 160 | 100 | 2200 | 0.70 | |||
| 200 | 120 | 2600 | 0.70 | |||
| 250 | 140 | 3050 | 0.70 | |||
| 315 | 170 | 3650 | 0.50 | |||
| 400 | 200 | 4300 | 0.50 | |||
| 500 | 240 | 5160 | 0.50 | |||
| 630 | 320 | 6200 | 0.30 | |||
| 800 | 380 | 7500 | 0.30 | |||
| 1000 | 450 | 10300 | 0.30 | |||
| 1250 | 530 | 12000 | 0.20 | 4.5 | ||
| 1600 | 630 | 14500 | 0.20 | |||
| 2000 | 750 | 17400 | 0.20 | |||
| 2500 | 900 | 20200 | 0.20 | 5 |
Type SH16-M Technical Parameters
| Type | Rated capacity (kVA) |
Voltage combination (kV) | Vector group | No-load loss (W) |
Load loss (W) |
No-load current (%) |
Impedance voltage (%) |
Outline dimensions (mm) L H B |
Installation center distance (L1xL2) (mm) |
Weight of oil (kg) |
Total weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SH16-M-50/10 | 50 | High voltage 6, 6.3, 10, 10.5, 11 High voltage tapping range ±5±2×2.5 Low voltage 0.4 |
Dyn11 | 38 | 870 | 0.9 | 4.0 | 950 1040 620 | 400x650xΦ14 | 160 | 680 |
| SH16-M-100/10 | 100 | 58 | 1500 | 0.7 | 4.0 | 1060 1070 770 | 400x650xΦ14 | 190 | 890 | ||
| SH16-M-160/10 | 160 | 78 | 2200 | 0.5 | 4.0 | 1050 1150 930 | 400x650xΦ14 | 230 | 1190 | ||
| SH16-M-200/10 | 200 | 90 | 2600 | 0.5 | 4.0 | 1110 1170 930 | 550x650xΦ19 | 270 | 1300 | ||
| SH16-M-250/10 | 250 | 110 | 3050 | 0.5 | 4.0 | 1180 1180 1010 | 550x650xΦ19 | 300 | 1460 | ||
| SH16-M-315/10 | 315 | 130 | 3650 | 0.4 | 4.0 | 1180 1180 1010 | 550x650xΦ19 | 240 | 1400 | ||
| SH16-M-400/10 | 400 | 160 | 4300 | 0.4 | 4.0 | 1200 1180 1010 | 550x650xΦ19 | 280 | 1660 | ||
| SH16-M-500/10 | 500 | 190 | 5150 | 0.4 | 4.0 | 1270 1300 1160 | 660x700xΦ19 | 300 | 1950 | ||
| SH16-M-630/10 | 630 | 230 | 6200 | 0.3 | 4.5 | 1450 1330 1240 | 820x700xΦ19 | 480 | 2450 | ||
| SH16-M-800/10 | 800 | 280 | 7500 | 0.3 | 4.5 | 1520 1460 1380 | 820x700xΦ19 | 520 | 2900 | ||
| SH16-M-1000/10 | 1000 | 330 | 10300 | 0.3 | 4.5 | 1720 1510 1460 | 820x700xΦ19 | 680 | 3500 | ||
| SH16-M-1250/10 | 1250 | 390 | 12000 | 0.2 | 4.5 | 1760 1650 1330 | 820x700xΦ19 | 800 | 3980 | ||
| SH16-M-1600/10 | 1600 | 470 | 14500 | 0.2 | 4.5 | 1980 1710 1380 | 820x700xΦ19 | 850 | 5350 | ||
| SH16-M-2000/10 | 2000 | 570 | 17400 | 0.2 | 5.0 | 2085 1790 1545 | 820x700xΦ19 | 1010 | 6350 | ||
| SH16-M-2500/10 | 2500 | 680 | 20200 | 0.2 | 5.0 | 2400 2350 1500 | 820x700xΦ19 | 1050 | 8200 |
Voltage class & Power frequency withstand voltage of the product
| Voltage class (kV) |
Highest voltage for equipment Effective value of Maximum phase voltage (kV) |
Rated short-time power frequency withstand voltage Effective value of Power-frequency withstand voltage (kV/min) |
Rated lightning impulse withstand voltage Full wave peak value of rated voltage Lightning impulse withstand voltage (kV) |
|---|---|---|---|
| 0.6 | ≤1.1 | 3 | — |
| 3 | 3.5 | 18 | 40 |
| 6 | 6.9 | 25 | 60 |
| 10 | 11.5 | 35 | 75 |
| 20 | 23 | 50 | 125 |
Frequently Asked Questions (FAQ)
What are the main energy-saving benefits of this amorphous alloy transformer?
The transformer core is made of advanced amorphous alloy band, which reduces the no-load loss by 60% compared to traditional S9 transformers, and 25% lower than the standard value stipulated by JB/T10318.
How does the Ddyn11 vector group configuration improve power quality?
By adopting the Ddyn11 vector group connection, the transformer effectively minimizes the negative impact of harmonic waves on the power grid, resulting in a cleaner and more stable power supply.
What is the significance of the vacuum casting tank core and vacuum oiling?
The vacuum casting tank core significantly enhances the structural reliability and operational stability. Meanwhile, the vacuum oiling method completely eliminates bubbles during tank formation, preventing insulation failure.
How does the insulation performance compare to standard national requirements?
Due to advanced manufacturing technologies, the winding insulation and the full-wave peak voltage during lightning impulse testing are 25% higher than the national standard, ensuring safe and reliable operations under high-voltage surges.
What core band widths and aperture heights are available for these models?
The core band widths are available in 142mm, 170mm, and 213mm. The height of the core aperture ranges from 150mm up to 1000mm to accommodate different capacity requirements.