Three Phase Oil Immersed Transformer Product Overview:
Functioning as a critical step-down mechanism, the three phase oil immersed transformer actively regulates voltage ratings to ensure continuous grid stability. Procurement teams and utility engineers rely on this three phase power transformer to protect heavy industrial equipment and municipal lines through the following structural advantages:
- Advanced Insulation: Applies a new type of internal insulation structure that significantly improves the core’s ability to withstand severe short-circuit resistance.
- Inverse Current Scaling: Automatically steps down primary transmission voltages while inversely stepping up the current, ensuring balanced and safe power delivery.
- Thermal Mitigation: Utilizes high-grade oil immersion to rapidly dissipate operational heat, preventing thermal accumulation and internal damage during heavy B2B peak loads.
Key Features & Benefits of the Three Phase Oil Immersed Transformer:
Integrating the three phase oil immersed transformer into your electrical infrastructure guarantees superior structural security and long-term hardware longevity. This specific three phase oil immersed power transformer is engineered to target direct energy efficiency:
- Broad Voltage Range: Safely operates across multiple high-voltage tiers, including 6~12kV, 20~25kV, and 30~36kV, adapting easily to varied regional grid specifications.
- High Capacity Output: Accommodates a vast spectrum of industrial power demands, starting from a compact 25kVA unit up to a massive 2500kVA capacity.
- Optimized Load Loss: Engineered with advanced magnetic cores to drastically reduce both load loss and no-load loss, significantly minimizing long-term operational costs.
- Short Circuit Durability: The rugged internal design guarantees exceptional short circuit impedance ranging from 3.5% up to 6.5% depending on the exact voltage class and capacity.
Three Phase Oil Immersed Transformer Applications & Use Cases:
The highly resilient structural footprint makes the three phase oil immersed transformer an optimal step-down solution for versatile power expansions. Whenever technical teams deploy a reliable three phase oil immersed transformer, they ensure exact voltage regulation across multiple high-tension sectors:
- Industrial distribution lines requiring a heavy-duty transition from 6-36kV down to 0.4kV operational voltages.
- Large-scale B2B power substations demanding reliable three-phase scaling for heavy manufacturing machinery.
- Urban and rural grid systems needing advanced short-circuit resistance to prevent sudden power outages.
- High-capacity energy projects requiring low-loss static devices to step down voltage and step up current efficiently.
Three Phase Oil Immersed Transformer Technical Specifications:
Evaluate the precise electrical and capacity parameters below to confirm that the three phase oil immersed transformer aligns flawlessly with your procurement requirements. The data is divided into three distinct tables based on the voltage class.
6~12kV Three Phase Oil Immersed Transformer Data Sheet
| General Parameters: HV: 6 / 6.3 / 10 / 11 kV | LV: 0.4 / 0.415 / 0.433 kV | Tapping: ±5%, 0 / ±2×2.5%, 0 | ||||
|---|---|---|---|---|
| Capacity (kVA) | No Load Loss (W) | Load Loss (W) | No Load Current (%) | Impedance (%) |
| 25 | 115 | 550 | 2.3 | 3.5~4.5 |
| 50 | 170 | 910 | 2.0 | – |
| 100 | 290 | 1580 | 1.8 | – |
| 125 | 340 | 1890 | 1.7 | – |
| 160 | 400 | 2310 | 1.6 | – |
| 200 | 480 | 2730 | 1.5 | – |
| 250 | 560 | 3200 | 1.4 | – |
| 315 | 670 | 3830 | 1.4 | – |
| 400 | 800 | 4520 | 1.3 | – |
| 500 | 960 | 5410 | 1.2 | – |
| 630 | 1200 | 6200 | 1.1 | – |
| 800 | 1400 | 7500 | 1.0 | – |
| 1000 | 1700 | 10300 | 1.0 | – |
| 1250 | 1950 | 12000 | 0.9 | – |
| 1600 | 2400 | 14500 | 0.8 | – |
| 2000 | 2840 | 17200 | 0.5 | – |
| 2500 | 3350 | 20300 | 0.4 | – |
20~25kV Three Phase Oil Immersed Transformer Data Sheet
| General Parameters: HV: 20 / 22 / 24 / 25 kV | LV: 0.4 / 0.415 / 0.433 kV | Tapping: ±5%, 0 / ±2×2.5%, 0 | ||||
|---|---|---|---|---|
| Capacity (kVA) | No Load Loss (W) | Load Loss (W) | No Load Current (%) | Impedance (%) |
| 25 | 80 | 600 | 2.3 | 4.5~6.0 |
| 50 | 130 | 1010 | 2.0 | – |
| 100 | 200 | 1730 | 1.6 | – |
| 125 | 240 | 2080 | 1.5 | – |
| 160 | 290 | 2540 | 1.4 | – |
| 200 | 340 | 3000 | 1.3 | – |
| 250 | 400 | 3520 | 1.2 | – |
| 315 | 480 | 4210 | 1.1 | – |
| 400 | 570 | 4970 | 1.0 | – |
| 500 | 680 | 5940 | 1.0 | – |
| 630 | 810 | 6820 | 0.9 | – |
| 800 | 980 | 8250 | 0.8 | – |
| 1000 | 1150 | 11330 | 0.7 | – |
| 1250 | 1380 | 13200 | 0.7 | – |
| 1600 | 1160 | 15950 | 0.6 | – |
| 2000 | 1850 | 19140 | 0.6 | – |
| 2500 | 2320 | 22220 | 0.5 | – |
30~36kV Three Phase Oil Immersed Transformer Data Sheet
| General Parameters: HV: 30 / 33 / 35 / 36 kV | LV: 0.4 / 0.415 / 0.433 kV | Tapping: ±5%, 0 / ±2×2.5%, 0 | ||||
|---|---|---|---|---|
| Capacity (kVA) | No Load Loss (W) | Load Loss (W) | No Load Current (%) | Impedance (%) |
| 25 | 125 | 755 | 2.3 | 4.5~6.5 |
| 50 | 210 | 1270 | 2.0 | – |
| 100 | 290 | 2120 | 1.8 | – |
| 125 | 340 | 2500 | 1.7 | – |
| 160 | 360 | 2970 | 1.6 | – |
| 200 | 430 | 3500 | 1.5 | – |
| 250 | 510 | 4160 | 1.4 | – |
| 315 | 610 | 5010 | 1.4 | – |
| 400 | 730 | 6050 | 1.3 | – |
| 500 | 860 | 7280 | 1.2 | – |
| 630 | 1040 | 8280 | 1.1 | – |
| 800 | 1230 | 9900 | 1.0 | – |
| 1000 | 1440 | 12150 | 1.0 | – |
| 1250 | 1760 | 14670 | 0.9 | – |
| 1600 | 2120 | 17550 | 0.8 | – |
| 2500 | 3150 | 23000 | 0.8 | – |
