Table of Contents
Overview of Oil Immersed Transformers
Oil immersed transformers are widely used in electrical systems due to their efficiency and reliability. These transformers utilize oil as a coolant, which helps dissipate heat generated during operation. The oil also serves as an insulator, providing protection against electrical faults and environmental conditions.
The design of an oil immersed transformer allows for high power ratings, making them suitable for various applications, including industrial and commercial power distribution. A 200 kVA transformer is a common size for medium voltage applications, providing a balance between performance and footprint.
In China, many enterprises specialize in the production of oil immersed transformers, adhering to international standards like ISO 9001. This certification ensures that the manufacturing process meets quality management principles, enhancing product reliability and customer satisfaction.
The Importance of ISO 9001 Certification
ISO 9001 is a globally recognized standard that outlines the requirements for a quality management system (QMS). For manufacturers of oil immersed transformers, achieving ISO 9001 certification signifies a commitment to maintaining high-quality products and processes. This certification is particularly important in competitive markets like China, where numerous companies strive to offer superior products.
Having ISO 9001 certification not only improves internal processes but also builds trust with customers. Clients can be assured that the products they purchase meet rigorous quality standards, which is essential for critical applications such as power generation and distribution.
Furthermore, companies that meet ISO 9001 standards often experience increased operational efficiency and reduced waste. This not only helps in cost savings but also contributes to environmental sustainability, aligning with global trends towards greener practices in manufacturing.
Applications of 200 kVA Transformers in China
The 200 kVA transformer is particularly crucial in various sectors in China, including manufacturing, construction, and renewable energy. These transformers are often employed in substations and industrial plants, ensuring reliable power supply for heavy machinery and equipment.
In addition to traditional applications, the rise of renewable energy sources such as solar and wind has created new opportunities for 200 kVA transformers. These transformers are integral in converting and distributing power generated from these sources, making them essential for the transition towards sustainable energy solutions.
| Type | Rated capacity （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 |
As Chinese enterprises continue to innovate and expand, the demand for efficient and reliable power solutions like oil immersed transformers will likely grow. Companies that invest in quality products and adhere to international standards are poised to lead in this evolving market, ensuring they deliver value to their customers.