Table of Contents
Understanding Oil Immersed Transformers
Oil immersed transformers are essential components in the electrical power distribution system. They utilize oil to cool and insulate the internal parts of the transformer, ensuring efficient operation and longevity. The oil acts as both a coolant and an insulator, allowing these transformers to handle high voltage applications effectively.
| model | Rating power （KVA） | Voltage combination（KV） | No-load losses（W） | Load losses（W） | No-load current (%) | Short-circuit impedance (%) |
| S11-630 | 630 | 33,35/6.3,6.6,10.5,11 | 830 | 7870 | 1.10 | 6.5 |
| S11-800 | 800 | 33,35/6.3,6.6,10.5,11 | 980 | 9410 | 1.00 | 6.5 |
| S11-1000 | 1000 | 33,35/6.3,6.6,10.5,11 | 1150 | 11540 | 1.00 | 6.5 |
| S11-1250 | 1250 | 33,35/6.3,6.6,10.5,11 | 1410 | 13940 | 0.90 | 6.5 |
| S11-1600 | 1600 | 33,35/6.3,6.6,10.5,11 | 1700 | 16670 | 0.80 | 6.5 |
| S11-2000 | 2000 | 33,35/6.3,6.6,10.5,11 | 2180 | 18380 | 0.70 | 6.5 |
| S11-2500 | 2500 | 33,35/6.3,6.6,10.5,11 | 2560 | 19670 | 0.60 | 6.5 |
| S11-3150 | 3150 | 33,35/6.3,6.6,10.5,11 | 3040 | 23090 | 0.56 | 7.0 |
| S11-4000 | 4000 | 33,35/6.3,6.6,10.5,11 | 3620 | 27360 | 0.56 | 7.0 |
| S11-5000 | 5000 | 33,35/6.3,6.6,10.5,11 | 4320 | 31380 | 0.48 | 7.0 |
| S11-6300 | 6300 | 33,35/6.3,6.6,10.5,11 | 5250 | 35060 | 0.48 | 7.5 |
| S11-8000 | 8000 | 33,35/6.3,6.6,10.5,11 | 7200 | 38500 | 0.42 | 7.5 |
| S11-10000 | 10000 | 33,35/6.3,6.6,10.5,11 | 8700 | 45300 | 0.42 | 7.5 |
| S11-12500 | 12500 | 33,35/6.3,6.6,10.5,11 | 10080 | 53900 | 0.40 | 8.0 |
| S11-16000 | 16000 | 33,35/6.3,6.6,10.5,11 | 12160 | 65800 | 0.40 | 8.0 |
| S11-20000 | 20000 | 33,35/6.3,6.6,10.5,11 | 14400 | 79500 | 0.40 | 8.0 |
| S11-25000 | 25000 | 33,35/6.3,6.6,10.5,11 | 17020 | 94100 | 0.32 | 8.0 |
| S11-31500 | 31500 | 33,35/6.3,6.6,10.5,11 | 20220 | 112900 | 0.32 | 8.0 |
These transformers are particularly advantageous in areas where space is limited, as they can be installed both indoors and outdoors. The design allows for a higher capacity while maintaining a compact footprint. This makes them an ideal choice for industrial applications, especially in regions with growing energy demands, such as China.
The Significance of 9000 kVA Transformers
A 9000 kVA transformer is a robust solution designed to cater to large-scale power requirements. This transformer size is commonly used in substations and industrial plants where substantial energy is needed to run heavy machinery and equipment. Its ability to manage significant loads without compromising performance is a key reason for its popularity among enterprises.
In China, many industries are investing in 9000 kVA transformers to ensure reliable power supply. The demand for such transformers has surged due to rapid urbanization and industrial development. As a result, Chinese manufacturers are focusing on producing high-quality transformers that meet international standards while also being cost-effective.
Long Warranty Period: A Mark of Quality
A long warranty period is often indicative of the quality and reliability of oil immersed transformers. Manufacturers who offer extended warranties demonstrate their confidence in their products’ durability and performance. This assurance is crucial for businesses that rely heavily on continuous power supply to avoid costly downtimes.
Enterprises in China are increasingly prioritizing long warranty periods when selecting transformers. A warranty not only reflects the manufacturer’s commitment to quality but also provides peace of mind for buyers. With proper maintenance, these transformers can last for decades, making them a sound investment for companies looking to minimize operational risks and maximize efficiency.
