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Dry Type and Oil Immersed Transformers
Dry type transformers are known for their safety and low maintenance requirements. Unlike oil-immersed transformers, dry type transformers use air as a cooling medium, making them suitable for indoor installations and areas with strict fire safety regulations. Their construction involves a resin insulation system which provides excellent electrical properties and durability.
On the other hand, oil-immersed transformers are more commonly used for medium voltage applications due to their ability to handle higher loads efficiently. The oil not only serves as an insulator but also helps in cooling the transformer during operation. These transformers are often used in substations and industrial settings where space is not a constraint.
Both types of transformers serve critical roles in electrical distribution systems. Choosing between a dry type and an oil-immersed transformer depends on specific application requirements, environmental conditions, and budget considerations. It’s essential for manufacturers to offer high-quality options to meet diverse client needs.
Medium Voltage Transformer Varieties
Medium voltage transformers are essential components in electrical networks, enabling the transfer of electricity at voltages typically ranging from 1 kV to 35 kV. These transformers come in various configurations, including delta and wye connections, to accommodate different system designs. They are crucial in ensuring reliable power supply to commercial and industrial facilities.
| Type | Rated capacity （KVA） | Voltage combination（KV） | No-load losses（W） | Load losses（W） | No-load current （%） | Short-circuit impedance （%） |
| SZ11-2000 | 2000 | 33,35/6.3,6.6,10.5,11 | 2300 | 19240 | 0.80 | 6.5 |
| SZ11-2500 | 2500 | 33,35/6.3,6.6,10.5,11 | 2720 | 20640 | 0.80 | 6.5 |
| SZ11-3150 | 3150 | 33,35/6.3,6.6,10.5,11 | 3230 | 24710 | 0.72 | 7.0 |
| SZ11-4000 | 4000 | 33,35/6.3,6.6,10.5,11 | 3870 | 29160 | 0.72 | 7.0 |
| SZ11-5000 | 5000 | 33,35/6.3,6.6,10.5,11 | 4640 | 34200 | 0.68 | 7.0 |
| SZ11-6300 | 6300 | 33,35/6.3,6.6,10.5,11 | 5630 | 36800 | 0.68 | 7.5 |
| SZ11-8000 | 8000 | 33,35/6.3,6.6,10.5,11 | 7870 | 40600 | 0.60 | 7.5 |
| SZ11-10000 | 10000 | 33,35/6.3,6.6,10.5,11 | 9280 | 48100 | 0.60 | 7.5 |
| SZ11-12500 | 12500 | 33,35/6.3,6.6,10.5,11 | 10940 | 56900 | 0.56 | 8.0 |
| SZ11-16000 | 16000 | 33,35/6.3,6.6,10.5,11 | 13170 | 70300 | 0.54 | 8.0 |
| SZ11-20000 | 20000 | 33,35/6.3,6.6,10.5,11 | 15570 | 82800 | 0.54 | 8.0 |
China has emerged as a leading exporter of medium voltage transformers, with numerous manufacturers focusing on both quality and innovation. These makers are committed to producing high-quality grade transformers that meet international standards. Their products are widely recognized for durability, efficiency, and performance, making them competitive in the global market.
With advancements in technology, many Chinese manufacturers are now integrating smart features into their transformers. This includes remote monitoring capabilities and enhanced energy efficiency, which cater to the evolving needs of power utilities and large-scale industries. As a result, these transformers are becoming increasingly popular worldwide.
High-Quality Transformers and Video Resources
The demand for high-quality transformers has led to significant investments in research and development among manufacturers. High-quality transformers ensure reduced operational costs, improved reliability, and longer service life. Continuous improvements in materials and engineering processes contribute to the overall enhancement of transformer performance.
To help clients make informed decisions, many transformer manufacturers are now producing informative videos. These videos showcase the features, benefits, and applications of their products. They also provide insights into the manufacturing process, demonstrating the meticulous attention to detail and quality control measures involved.
These video resources have become invaluable tools for exporters and buyers alike, allowing for a better understanding of the products before making a purchase. Whether it’s a dry type or oil-immersed transformer, potential customers can gain confidence in their selections through detailed visual presentations and technical explanations.
