
Oil immersed series transformer:

The three-phase oil immersed distribution transformer produced by our company adopts a new insulation structure, which improves the ability to withstand short circuit.
The core is made of high quality cold rolled silicon steel sheet. High quality oxygen free copper wire is used in the high voltage windingFor the material, and use a multi-layer cylindrical structure, all fasteners are using special anti loose processing.
Products with high efficiency, low loss characteristics, can save a lot of power consumption and operating costs, social benefits significantly,is the country's high-tech products to promote.



Power Capacity: 25-2500KVA |
Voltage Level: 10KV,11KV, 13.8KV,15KV,17.5KV ,20KV,22KV ,24KV ,30KV,33KV 35KV 36KV 132kv and Others as customers requirement |
Type of Voltage Regulation: Off-circuit or On-load |
Tapping Range: +5% 2x2.5% ,+4x2.5% |
Frequency: 50Hz or 60Hz |
Phases: Three or single |
Connection Symbol: Dyn11 , Dyn5 ,Yyn0 (or as requested) |
Short-circuit Impedance: Standard Impendance |
Altitude is not exceeding 1000m, ambient temperature not exceeding 400C |
If it can't meet such conditions, we will modulate parameters in accordance with standard. |
1.Reliable Structure

2. Improved the effective support of the coil end face, stronger ability to withstand short circuit current;
3. The new hoisting structure and body positioning structure are adopted to ensure more reliable in long distance transportation and operation.
2. High-Quality
2. After each process in the production of the transformer is completed, we will conduct a qualified test, and the quality of the transformer has reached the highest level.

Rated capacity (kVA) | H.V. (kV) | Tapping range | L.V. (kV) | Vector group | Loss(kW) | No-load current (%) | Impedance voltage (%) | Weight (kg) | ||
Load loss | No-load loss | oil | Total | |||||||
5 | 13.8 13.2 11 10.5 10 6 | ±5 or ±2*2.5% | 0.4 0.415 0.433 | Dyn11 Yyn0 Dyn5 | 0.35 | 0.07 | 4 | 4 | 45 | 145 |
10 | 0.40 | 0.09 | 3.5 | 55 | 185 | |||||
20 | 0.52 | 0.11 | 3.0 | 60 | 235 | |||||
30 | 0.63/0.6 | 0.13 | 2.3 | 65 | 265 | |||||
50 | 0.91/0.87 | 0.17 | 2.0 | 80 | 365 | |||||
63 | 1.09/1.04 | 0.20 | 1.9 | 80 | 400 | |||||
80 | 1.31/1.25 | 0.25 | 1.9 | 95 | 460 | |||||
100 | 1.58/1.5 | 0.29 | 1.8 | 95 | 510 | |||||
125 | 1.89/1.8 | 0.34 | 1.7 | 115 | 585 | |||||
160 | 2.31/2.2 | 0.40 | 1.6 | 130 | 685 | |||||
200 | 2.73/2.6 | 0.48 | 1.5 | 150 | 810 | |||||
250 | 3.20/3.05 | 0.56 | 1.4 | 170 | 935 | |||||
315 | 3.83/3.65 | 0.67 | 1.4 | 200 | 1095 | |||||
400 | 4.52/4.3 | 0.80 | 1.3 | 250 | 1385 | |||||
500 | 5.41/5.15 | 0.96 | 1.2 | 235 | 1505 | |||||
630 | 6.20 | 1.20 | 1.1 | 4.5 | 330 | 1830 | ||||
800 | 7.50 | 1.40 | 1.0 | 370 | 2225 | |||||
1000 | 10.30 | 1.70 | 1.0 | 475 | 2555 | |||||
1250 | 12.00 | 1.95 | 0 | 545 | 3145 | |||||
1600 | 14.50 | 2.40 | 0.8 | 630 | 3680 | |||||
2000 | 19.8 | 2.8 | 0.8 | 715 | 4190 | |||||
2500 | 23.0 | 3.3 | 0.7 | 830 | 5100 |
Rated capacity(kVA) | H.V. (kV) | Tapping range | L.V. (kV) | Vector group | Loss(kW) | No-load current (%) | Impedance voltage (%) | Weight (kg) | ||
Load loss | No-load loss | oil | Total | |||||||
50 | 24 22 20 19 | ±5% or ±2*2.5% | 0.4 0.415 0.433 | Dyn11 Yyn0 Dyn5 | 1.15 | 0.17 | 2 | 5.5 | 145 | 465 |
100 | 1.92 | 0.23 | 1.8 | 165 | 635 | |||||
125 | 2.26 | 0.27 | 1.7 | 185 | 745 | |||||
160 | 2.69 | 0.29 | 1.6 | 205 | 885 | |||||
200 | 3.16 | 0.34 | 1.5 | 225 | 995 | |||||
250 | 3.76 | 0.41 | 1.4 | 245 | 1130 | |||||
315 | 4.53 | 0.49 | 1.4 | 260 | 1285 | |||||
400 | 5.47 | 0.58 | 1.3 | 305 | 1500 | |||||
500 | 6.58 | 0.69 | 1.2 | 335 | 1710 | |||||
630 | 7.87 | 0.83 | 1.1 | 385 | 2010 | |||||
800 | 9.41 | 0.98 | 1.0 | 415 | 2315 | |||||
1000 | 11.54 | 1.15 | 1.0 | 515 | 2985 | |||||
1250 | 13.94 | 1.4 | 0.9 | 630 | 3460 | |||||
1600 | 16.67 | 1.7 | 0.8 | 710 | 4015 | |||||
2000 | 20.43 | 2.18 | 0.8 | 730 | 4425 | |||||
2500 | 21.85 | 2.56 | 0.8 | 795 | 5260 |
Rated capacity(kVA) | H.V. (kV) | Tapping range | L.V. (kV) | Vector group | Loss(kW) | No-load current (%) | Impedance voltage (%) | Weightb (kg) | ||
Load loss | No-load loss | oil | Total | |||||||
800 | 38.5 36 35 34.5 33 | ±5% or ±2*2.5% | 11 10 6 | Yd11 Ynd11 | 10.4 | 1.3 | 1.0 | 6.5 7.0 7.5 8.0 | 700 | 2780 |
1000 | 12.8 | 1.52 | 1.0 | 775 | 3290 | |||||
1250 | 15.4 | 1.86 | 0.9 | 880 | 3845 | |||||
1600 | 18.43 | 2.24 | 0.8 | 960 | 4295 | |||||
2000 | 20.25 | 2.88 | 0.7 | 1090 | 4890 | |||||
2500 | 21.73 | 3.4 | 0.6 | 1205 | 5660 | |||||
3150 | 26.01 | 4.04 | 0.56 | 1500 | 7600 | |||||
4000 | 30.69 | 4.84 | 0.56 | 1790 | 8500 | |||||
5000 | 36 | 5.8 | 0.48 | 2015 | 9790 | |||||
6300 | 38.7 | 7.04 | 0.48 | 2460 | 12620 | |||||
8000 | 42.75 | 9.84 | 0.42 | 2650 | 14100 | |||||
10000 | 50.58 | 11.6 | 0.42 | 2930 | 16500 | |||||
12500 | 59.85 | 13.66 | 0.4 | 3710 | 19780 | |||||
16000 | 74.02 | 16.46 | 0.4 | 4280 | 23950 | |||||
20000 | 87.14 | 19.46 | 0.4 | 5230 | 29600 |
We have our own warehouses and repair points in some countries, and the after-sales service is more convenient and efficient.


Our company has been established for nearly 20 years. It is the first batch of electrical companies to enter the foreign trade industry, with customers all over the world.Therefore, we can solve any problems for you before, during and after sales with great experience.








