s11-m-400kva-10/0.4 oil immersed electric power transformer are designed with advanced insulation structures to enhance short-circuit resistance. The core is constructed from high-quality cold-rolled silicon steel sheets. All sturdy components undergo special anti-loosening treatment. These transformers are highly efficient, low-loss, and significantly reduce power consumption and operational costs, offering both economic and environmental benefits.
We specialize in delivering high-quality power transformers tailored to your needs. Our product range includes 10~35kV oil-immersed transformers and 10~35kV dry-type transformers, engineered for exceptional durability, efficiency, and reliability. Whether for industrial, commercial, or utility applications, we provide solutions that ensure optimal performance and long-term value for your power network.
Oil-Filled Power Transformer
Engineered for seamless grid integration, our oil-filled transformers feature simplified connections for fast, hassle-free installation while ensuring reliable high-voltage power transmission.
Oil-Filled Distribution Transformer
Utilizing advanced seven-step silicon steel lamination with double-sided insulation, these transformers achieve ultra-low losses and reduced noise for superior energy efficiency and quieter operation.
Liquid-Filled Transformers
Fully customizable to meet specialized requirements, our liquid-filled transformers provide adaptable solutions across industries while maintaining uncompromised reliability and durability.
High-Efficiency Design
The hermetically sealed construction prevents moisture ingress, enhancing insulation integrity and minimizing energy losses for optimized electrical performance and long-term efficiency.
Technical Parameters of oil immersed electric power transformer
| Rated Capacity (KVA) | Voltage Combination and tap range | Junction Group Label | No-load losses (W) | load losses (W) | No-load current | Short Circuit impedance(%) | ||
| H.V. | L.V. | High voltage tap range(%) | ||||||
| 30 | 11 10.5 10 6.3 6 | 0.4 0.69 | ±5 ±2x2.5% | Yyn0 Dyn11 | 100 | 630/600 | 2.3 | 4 |
| 50 | 130 | 910/870 | 2 | 4 | ||||
| 63 | 150 | 1090/1040 | 1.9 | 4 | ||||
| 80 | 180 | 1310/1250 | 1.9 | 4 | ||||
| 100 | 200 | 1580/1500 | 1.8 | 4 | ||||
| 125 | 240 | 1890/1800 | 1.7 | 4 | ||||
| 160 | 280 | 2310/2200 | 1.6 | 4 | ||||
| 200 | 340 | 2730/2600 | 1.5 | 4 | ||||
| 250 | 400 | 3200/3050 | 1.4 | 4 | ||||
| 315 | 480 | 3830/3650 | 1.4 | 4 | ||||
| 400 | 570 | 4520/4300 | 1.3 | 4 | ||||
| 500 | 680 | 5410/5150 | 1.2 | 4 | ||||
| 630 | 810 | 6200 | 1.1 | 4.5 | ||||
| 800 | 960 | 7500 | 1.0 | 4.5 | ||||
| 1000 | 1150 | 10300 | 1.0 | 4.5 | ||||
| 1250 | 1360 | 12000 | 0.9 | 4.5 | ||||
| 1600 | 1640 | 14500 | 0.8 | 4.5 | ||||
| 2000 | 1960 | 19800 | 0.8 | 5 | ||||
| 2500 | 2310 | 23000 | 0.7 | 5 | ||||
Conditions of oil immersed power transformer
1. The highest temperature: + 40 ℃
2. The lowest temperature: -25 ℃
3. Altitude: < 4000 m
4. The highest monthly average relative humidity: 80% (20 ℃)
5. Installation location: without fire, explosion danger, serious foul, chemical corrosion, or violent vibration. Indoor And outdoor.
If you want to know more details of the oil immersed electric power transformer ,welcome to contact us .
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