Table of Contents
Understanding Oil Immersed Transformers
Oil immersed transformers are critical components in electrical power distribution systems, designed to handle high voltage and large loads efficiently. These transformers use mineral oil as an insulating and cooling medium, providing excellent thermal management and electrical insulation. The oil also helps in preventing moisture ingress, ensuring longevity and reliability in various operational environments.
The design of oil immersed transformers allows them to have a significant capacity, often exceeding several thousand kVA. For instance, a 7000 kVA transformer is capable of managing substantial energy demands, making it suitable for industrial applications such as manufacturing plants, mining operations, and large commercial buildings. This capacity ensures that the transformer can deliver stable power supply while minimizing the risk of overloads, thus enhancing system efficiency.
Cost-Effective Solutions from Chinese Manufacturers
China has established itself as a global leader in the production of cost-effective oil immersed transformers. Many Chinese companies specialize in manufacturing high-quality transformers that meet international standards while offering competitive pricing. This advantage is primarily attributed to lower labor costs and advanced manufacturing techniques, allowing these companies to deliver reliable products without compromising on quality.
Moreover, the advancements in technology and materials have enabled Chinese manufacturers to produce transformers that not only meet but often exceed performance requirements. With features such as enhanced cooling systems and improved insulation materials, these 7000 kVA transformers provide exceptional performance at a fraction of the cost of their Western counterparts. Customers can benefit from reduced operational costs and increased efficiency, making these transformers an attractive option for businesses looking to optimize their energy expenditure.
Type | Rating power (KVA) | Off-load losses(W) | Voltage combination (KV) | Load losses(W) | Off-load current (%) | Short-circuit impedance (%) |
S11-M-30 | 30 | 100 | 6,6.3,10,10.5,11/0.4 | 600 | 2.3 | 4.0 |
S11-M-50 | 50 | 130 | 6,6.3,10,10.5,11/0.4 | 870 | 2.0 | 4.0 |
S11-M-63 | 63 | 150 | 6,6.3,10,10.5,11/0.4 | 1040 | 1.9 | 4.0 |
S11-M-80 | 80 | 180 | 6,6.3,10,10.5,11/0.4 | 1250 | 1.9 | 4.0 |
S11-M-100 | 100 | 200 | 6,6.3,10,10.5,11/0.4 | 1500 | 1.8 | 4.0 |
S11-M-125 | 125 | 240 | 6,6.3,10,10.5,11/0.4 | 1800 | 1.7 | 4.0 |
S11-M-160 | 160 | 280 | 6,6.3,10,10.5,11/0.4 | 2200 | 1.6 | 4.0 |
S11-M-200 | 200 | 340 | 6,6.3,10,10.5,11/0.4 | 2600 | 1.5 | 4.0 |
S11-M-250 | 250 | 400 | 6,6.3,10,10.5,11/0.4 | 3050 | 1.4 | 4.0 |
S11-M-315 | 315 | 480 | 6,6.3,10,10.5,11/0.4 | 3650 | 1.4 | 4.0 |
S11-M-400 | 400 | 570 | 6,6.3,10,10.5,11/0.4 | 4300 | 1.3 | 4.0 |
S11-M-500 | 500 | 680 | 6,6.3,10,10.5,11/0.4 | 5100 | 1.2 | 4.0 |
S11-M-630 | 630 | 810 | 6,6.3,10,10.5,11/0.4 | 6200 | 1.1 | 4.5 |
S11-M-800 | 800 | 980 | 6,6.3,10,10.5,11/0.4 | 7500 | 1.0 | 4.5 |
S11-M-1000 | 1000 | 1150 | 6,6.3,10,10.5,11/0.4 | 10300 | 1.0 | 4.5 |
S11-M-1250 | 1250 | 1360 | 6,6.3,10,10.5,11/0.4 | 12800 | 0.9 | 4.5 |
S11-M-1600 | 1600 | 1640 | 6,6.3,10,10.5,11/0.4 | 14500 | 0.8 | 4.5 |
S11-M-2000 | 2000 | 2280 | 6,6.3,10,10.5,11/0.4 | 17820 | 0.6 | 5.0 |
S11-M-2500 | 2500 | 2700 | 6,6.3,10,10.5,11/0.4 | 20700 | 0.6 | 5.0 |
S11-M-30- | 30 | 90 | 20,22/0.4 | 660 | 2.1 | 5.5 |
S11-M-50- | 50 | 130 | 20,22/0.4 | 960 | 2 | 5.5 |
S11-M-63- | 63 | 150 | 20,22/0.4 | 1145 | 1.9 | 5.5 |
S11-M-80- | 80 | 180 | 20,22/0.4 | 1370 | 1.8 | 5.5 |
S11-M-100- | 100 | 200 | 20,22/0.4 | 1650 | 1.6 | 5.5 |
S11-M-125- | 125 | 240 | 20,22/0.4 | 1980 | 1.5 | 5.5 |
S11-M-160- | 160 | 290 | 20,22/0.4 | 2420 | 1.4 | 5.5 |
S11-M-200- | 200 | 330 | 20,22/0.4 | 2860 | 1.3 | 5.5 |
S11-M-250- | 250 | 400 | 20,22/0.4 | 3350 | 1.2 | 5.5 |
S11-M-315- | 315 | 480 | 20,22/0.4 | 4010 | 1.1 | 5.5 |
S11-M-400- | 400 | 570 | 20,22/0.4 | 4730 | 1 | 5.5 |
S11-M-500 | 500 | 680 | 20,22/0.4 | 5660 | 1 | 5.5 |
S11-M-630 | 630 | 810 | 20,22/0.4 | 6820 | 0.9 | 6 |
S11-M-800 | 800 | 980 | 20,22/0.4 | 8250 | 1.8 | 6 |
S11-M-1000 | 1000 | 1150 | 20,22/0.4 | 11330 | 0.7 | 6 |
S11-M-1250 | 1250 | 1350 | 20,22/0.4 | 13200 | 0.7 | 6 |
S11-M-1600 | 1600 | 1630 | 20,22/0.4 | 15950 | 0.6 | 6 |
Key Features and Benefits
One of the key features of oil immersed transformers is their ability to handle high loads with minimal maintenance. The oil acts as a coolant and insulator, reducing wear and tear on internal components. This results in a longer lifespan for the transformer and lower maintenance costs over time. Additionally, many modern designs incorporate advanced monitoring systems that allow for real-time assessment of transformer health, further enhancing reliability and performance.
Type | Rated capacity (KVA) | Voltage combination(KV) | Off-load losses(W) | Load losses(W) | Off-load current (%) | Short-circuit impedance (%) |
SC13-30 | 30 | 6,6.3,6.6,10,11/0.4 | 150 | 710 | 2.3 | 4.0 |
SC13-50 | 50 | 6,6.3,6.6,10,11/0.4 | 215 | 1000 | 2.2 | 4.0 |
SC13-80 | 80 | 6,6.3,6.6,10,11/0.4 | 295 | 1380 | 1.7 | 4.0 |
SC13-100 | 100 | 6,6.3,6.6,10,11/0.4 | 320 | 1570 | 1.7 | 4.0 |
SC13-125 | 125 | 6,6.3,6.6,10,11/0.4 | 375 | 1850 | 1.5 | 4.0 |
SCB13-160 | 160 | 6,6.3,6.6,10,11/0.4 | 430 | 2130 | 1.5 | 4.0 |
SCB13-200 | 200 | 6,6.3,6.6,10,11/0.4 | 495 | 2530 | 1.3 | 4.0 |
SCB13-250 | 250 | 6,6.3,6.6,10,11/0.4 | 575 | 2760 | 1.3 | 4.0 |
SCB13-315 | 315 | 6,6.3,6.6,10,11/0.4 | 705 | 3470 | 1.1 | 4.0 |
SCB13-400 | 400 | 6,6.3,6.6,10,11/0.4 | 785 | 3990 | 1.1 | 4.0 |
SCB13-500 | 500 | 6,6.3,6.6,10,11/0.4 | 930 | 4880 | 1.1 | 4.0 |
SCB13-630 | 630 | 6,6.3,6.6,10,11/0.4 | 1070 | 5880 | 0.9 | 4.0 |
SCB13-630 | 630 | 6,6.3,6.6,10,11/0.4 | 1040 | 5960 | 0.9 | 6.0 |
SCB13-800 | 800 | 6,6.3,6.6,10,11/0.4 | 1210 | 6960 | 0.9 | 6.0 |
SCB13-1000 | 1000 | 6,6.3,6.6,10,11/0.4 | 1410 | 8130 | 0.9 | 6.0 |
SCB13-1250 | 1250 | 6,6.3,6.6,10,11/0.4 | 1670 | 9690 | 0.9 | 6.0 |
SCB13-1600 | 1600 | 6,6.3,6.6,10,11/0.4 | 1960 | 11700 | 0.9 | 6.0 |
SCB13-2000 | 2000 | 6,6.3,6.6,10,11/0.4 | 2440 | 14400 | 0.7 | 6.0 |
SCB13-2500 | 2500 | 6,6.3,6.6,10,11/0.4 | 2880 | 17100 | 0.7 | 6.0 |
Another benefit of these transformers is their scalability. The modular design of oil immersed transformers makes them adaptable to different project sizes and energy needs. Companies can easily upgrade their systems by adding more units or increasing transformer capacity as their energy demands grow. This flexibility ensures that businesses can scale their operations without facing significant challenges or incurring excessive costs, making it a smart investment for the future.