Oil-immersed transformers in the energy field
08-06 2025 | By:
Oil-immersed transformers in the energy field
Oil-immersed transformers are widely used in the energy sector, and their importance is self-evident. The following are some of their key application areas:
1. Transmission Networks: Oil-immersed transformers are essential equipment in transmission networks, used to increase voltage for long-distance transmission of electrical energy. By increasing the voltage of current, transformers reduce energy losses along transmission lines and improve transmission efficiency.
2. Power Plants: Power plants use oil-immersed transformers to convert the electricity generated by generators into high-voltage power suitable for transmission to the power grid. This ensures efficient transmission of power and ensures the stability and security of the power grid.
3. Industrial Power: Industrial power demand is typically high, requiring appropriate voltage levels to meet the needs of equipment. Oil-immersed transformers can provide a variety of voltage levels to meet these demands.
4. Railway and Metro Systems: Railway and Metro systems require large amounts of electricity to operate trains. Oil-immersed transformers provide the appropriate voltage levels and power output to support the normal operation of these transportation systems.
5. Wind and Solar Power Generation: In wind and solar power generation systems, oil-immersed transformers are crucial devices for converting the electricity generated by the generators into high-voltage power suitable for transmission to the power grid. This ensures the efficient transmission and utilization of this energy.
6. Electrical Equipment and Facilities: Oil-immersed transformers are widely used in various electrical equipment and facilities, such as substations, converter stations, and control systems. They provide stable voltage and current, ensuring the proper operation of equipment.
7. Oil and Gas Extraction: Oil and gas extraction requires large amounts of electricity to power equipment. Oil-immersed transformers ensure a reliable power supply even in harsh operating environments.
In general, oil-immersed transformers are crucial in the energy sector, not only in the transmission and utilization of traditional energy sources, but also in the development and utilization of new energy sources. They not only provide a stable power supply but also ensure the efficient and safe operation of energy systems. Therefore, oil-immersed transformers play a vital role in the energy sector.
Performance parameters
| Rated capacity (kVA) | Voltagegroup | Vectorgroup | Loss (W) | No-load current (%) | Impedance voltage (%) | Boundan dimension (L×W×H,mm) | Weight (kg) | ||
| HV (kV) | LV(kV) | No-loadloss(W) | Loadloss(W) | ||||||
| 30 | 11 10.5 10 6 | 0.4 | Dyn11 or Yyn0 | 100 | 630/600 | 1.5 | 4 | 670×310×615 | 346 |
| 50 | 130 | 910/870 | 1.3 | 700×325×630 | 417 | ||||
| 80 | 180 | 1310/1250 | 1.2 | 755×355×690 | 556 | ||||
| 100 | 200 | 1580/1500 | 1.1 | 785×360×685 | 619 | ||||
| 125 | 240 | 1890/1800 | 1.1 | 805×370×720 | 703 | ||||
| 160 | 280 | 2310/2200 | 1.0 | 850×385×735 | 794 | ||||
| 200 | 340 | 2730/2600 | 1.0 | 865×405×805 | 935 | ||||
| 250 | 400 | 3200/3050 | 0.9 | 905×415×935 | 1086 | ||||
| 315 | 480 | 3830/3650 | 0.9 | 925×440×915 | 1226 | ||||
| 400 | 570 | 4520/4300 | 0.8 | 970×465×960 | 1468 | ||||
| 500 | 680 | 5410/5150 | 0.8 | 1035×500×1010 | 1758 | ||||
| 630 | 810 | 6200 | 0.6 | 4.5 | 1110×525×1075 | 2074 | |||
| 800 | 980 | 7500 | 0.6 | 1190×580×1155 | 2840 | ||||
| 1000 | 1150 | 10300 | 0.6 | 1205×560×1195 | 2842 | ||||
| 1250 | 1360 | 12000 | 0.5 | 1185×590×1205 | 3168 | ||||
| 1600 | 1640 | 14500 | 0.5 | 1225×565×1345 | 3800 | ||||
| 2000 | 1940 | 18300 | 0.4 | 5.0 | 1310×615×1435 | 4633 | |||
| 2500 | 2290 | 21200 | 0.4 | 1390×660×1510 | 5329 | ||||
| Rated capacity (kVA) | Voltagegroup | Vectorgroup | Loss (W) | No-load current(%) | Impedance voltage (%) | Boundary dimension (L×W×H,mm) | Weight(kg) | ||
| HV(kV) | LV (kV) | No-loadloss(W) | Loadloss(W) | ||||||
| 2000 | 35- 38.5 | 6.3 10.5 | Yd11 | 2300 | 19200 | 0.50 | 6.5 | 2460×2050×2500 | 2610 |
| 2500 | 2720 | 20600 | 0.50 | 2340×2300×2930 | 3310 | ||||
| 3150 | 35- 38.5 | 6.3 10.5 | 3230 | 24700 | 0.50 | 7.0 | 2350×2350×2990 | 3580 | |
| 4000 | 3870 | 29100 | 0.50 | 2400×2410×3050 | 3990 | ||||
| 5000 | 4640 | 34200 | 0.50 | 2440×2450×3100 | 4740 | ||||
| 6300 | 5630 | 36700 | 0.50 | 8.0 | 2470×2510×3170 | 5120 | |||
| 8000 | 35- 38.5 | 6.3 6.6 10.5 11 | YNd11 | 7870 | 40600 | 0.40 | 2500×2590×3230 | 5880 | |
| 10000 | 9280 | 48000 | 0.40 | 2550×2610×3250 | 7770 | ||||
| 12500 | 10940 | 56800 | 0.35 | 8.0 | 2780×2660×3300 | 8750 | |||
| 16000 | 13160 | 70300 | 0.35 | 3020×2710×3370 | 9930 | ||||
| 20000 | 15560 | 82700 | 0.30 | 3250×2760×3410 | 12760 | ||||
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