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Types of Transformers: Dry Type vs. Liquid Immersed
Transformers play a crucial role in electrical distribution systems, and they come in various types to suit different applications. The two primary categories are dry type transformers and liquid immersed transformers. Dry type transformers are known for their safety and environmental friendliness. They do not contain any liquid insulation, making them ideal for indoor installations where flammability is a concern.
On the other hand, liquid immersed transformers utilize oil or other fluids for cooling and insulation. These transformers are typically used in outdoor settings, where they can dissipate heat more effectively. The choice between these two types depends on factors such as installation location, environmental conditions, and specific performance requirements.
Ground Mounted Transformers in China
Ground mounted transformers are commonly used in China for urban and rural electrical distribution. They are designed to be installed at ground level, which makes maintenance easier and reduces the risk of accidents associated with elevated installations. Chinese companies have made significant advancements in transformer technology, focusing on high-performance models that meet international standards.
| 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 |
The market for ground mounted transformers in China is highly competitive, with several companies offering innovative solutions at various price points. Factors such as efficiency, durability, and ease of installation often influence purchasing decisions. Many manufacturers also provide comprehensive support, including installation services and after-sales assistance.
High Performance and Pricing Considerations
When selecting a transformer, high performance is often a top priority for businesses. Companies in China are increasingly producing transformers that offer superior efficiency and reliability. These high-performance models tend to have advanced features that minimize energy loss and enhance overall functionality, making them a worthwhile investment in the long run.
Pricing is another critical factor that cannot be overlooked. While high-performance transformers may come at a premium price, they often lead to savings in operational costs over time. Potential buyers should carefully evaluate the total cost of ownership, taking into account factors like energy efficiency and maintenance requirements. This approach ensures that they make informed decisions that align with their budgetary constraints.
Videos and Visual Resources
To better understand the functionality and advantages of dry type and liquid immersed transformers, many companies provide videos showcasing their products. These resources are invaluable for potential buyers, as they illustrate the installation process, operational capabilities, and maintenance procedures. Watching these videos can help customers visualize how a transformer fits into their electrical systems.
Additionally, videos can feature testimonials from satisfied customers, providing insights into real-world applications and performance. Such visual content not only enhances product understanding but also builds trust in the company’s offerings. By leveraging multimedia resources, manufacturers can effectively communicate their value propositions to a broader audience.
