Table of Contents
Types of Transformers: Dry Type vs. Liquid Immersed
Transformers are essential components in electrical power systems, and they come in various types, primarily categorized into dry type and liquid immersed transformers. Dry type transformers utilize air for cooling and are often used in indoor applications where safety is a major concern. They are designed with insulation materials that can withstand high temperatures without the risk of catching fire, making them ideal for urban environments.

On the other hand, liquid immersed transformers use oil as an insulating and cooling medium. These transformers are typically ground mounted and offer greater efficiency in transferring electrical energy. The oil not only cools the transformer but also provides insulation between the live components and the ground, ensuring a safer operation. However, they require careful maintenance to prevent leaks and environmental contamination, especially in sensitive areas.
Ground Mounted Transformers in China
China has seen a significant increase in the demand for ground mounted transformers due to rapid urbanization and infrastructure development. These transformers are strategically placed in substations or outdoor facilities, making them accessible for maintenance and minimizing space usage. With the country’s focus on sustainable energy solutions, companies are investing in advanced technologies to enhance the performance and reliability of these transformers.
Several Chinese companies are at the forefront of transformer manufacturing, producing both dry type and liquid immersed models. They leverage innovative designs and materials to improve energy efficiency and reduce environmental impact. In addition, these companies are increasingly adopting eco-friendly practices in their production processes, aligning with global sustainability goals.
Environmental Considerations and Video Resources
The environmental impact of transformers, particularly liquid immersed ones, cannot be overlooked. Issues such as oil leaks and disposal of old transformers pose significant challenges. Companies are now focusing on developing transformers with environmentally friendly fluids and designs that minimize the chances of leakage. This shift not only helps protect the environment but also enhances public perception of the industry.
For those interested in learning more about transformers and their environmental implications, there are numerous educational videos available online. These resources cover topics ranging from the basic principles of transformer operation to the latest advancements in transformer technology. Viewers can gain insights into how companies are addressing environmental concerns while maintaining efficiency in power distribution.
| Type | Rated capacity (KVA) | Voltage combination(KV) | No-load losses(W) | Load losses(W) | No-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 |

