Table of Contents
Types of Transformers: Dry Type and Oil Immersed
| Type | Rated capacity （KVA） | Voltage combination（KV） | No-load losses（W） | Load losses（W） | No-load Current (%) | Short-circuit impedance (%) |
| SH15-M-30 | 30 | 6,6.3,10,10.5,11/0.4 | 33 | 630 | 1.50 | 4.0 |
| SH15-M-50 | 50 | 6,6.3,10,10.5,11/0.4 | 43 | 910 | 1.20 | 4.0 |
| SH15-M-63 | 63 | 6,6.3,10,10.5,11/0.4 | 50 | 1090 | 1.10 | 4.0 |
| SH15-M-80 | 80 | 6,6.3,10,10.5,11/0.4 | 60 | 1310 | 1.00 | 4.0 |
| SH15-M-100 | 100 | 6,6.3,10,10.5,11/0.4 | 75 | 1580 | 0.90 | 4.0 |
| SH15-M-125 | 125 | 6,6.3,10,10.5,11/0.4 | 85 | 1890 | 0.80 | 4.0 |
| SH15-M-160 | 160 | 6,6.3,10,10.5,11/0.4 | 100 | 2310 | 0.60 | 4.0 |
| SH15-M-200 | 200 | 6,6.3,10,10.5,11/0.4 | 120 | 2730 | 0.60 | 4.0 |
| SH15-M-250 | 250 | 6,6.3,10,10.5,11/0.4 | 140 | 3200 | 0.60 | 4.0 |
| SH15-M-315 | 315 | 6,6.3,10,10.5,11/0.4 | 170 | 3830 | 0.50 | 4.0 |
| SH15-M-400 | 400 | 6,6.3,10,10.5,11/0.4 | 200 | 4520 | 0.50 | 4.0 |
| SH15-M-500 | 500 | 6,6.3,10,10.5,11/0.4 | 240 | 5140 | 0.50 | 4.0 |
| SH15-M-630 | 630 | 6,6.3,10,10.5,11/0.4 | 320 | 6200 | 0.30 | 4.5 |
| SH15-M-800 | 800 | 6,6.3,10,10.5,11/0.4 | 380 | 7500 | 0.30 | 4.5 |
| SH15-M-1000 | 1000 | 6,6.3,10,10.5,11/0.4 | 450 | 10300 | 0.30 | 4.5 |
| SH15-M-1250 | 1250 | 6,6.3,10,10.5,11/0.4 | 530 | 12000 | 0.20 | 4.5 |
| SH15-M-1600 | 1600 | 6,6.3,10,10.5,11/0.4 | 630 | 14500 | 0.20 | 4.5 |
| SH15-M-2000 | 2000 | 6,6.3,10,10.5,11/0.4 | 750 | 18300 | 0.20 | 5.0 |
| SH15-M-2500 | 2500 | 6,6.3,10,10.5,11/0.4 | 900 | 21200 | 0.20 | 5.0 |
Transformers are essential components in electrical systems, and they come in various types to suit different applications. The two primary categories are dry type transformers and oil immersed transformers. Dry type transformers use air for cooling and are typically found in indoor installations due to their safety features and low environmental impact. They are less prone to fire hazards, making them a popular choice for urban areas and locations where flammable materials are present.
On the other hand, oil immersed transformers utilize oil as a coolant and insulating medium. This design allows for higher efficiency and enhanced heat dissipation, making them suitable for outdoor installations or where larger power capacities are required. The oil insulation provides excellent dielectric strength and helps to protect the transformer from external elements, increasing its lifespan and reliability in operation.
3 Phase Transformers: Efficiency and Applications
Three-phase transformers are widely used in industrial and commercial settings due to their efficiency and ability to handle large loads. These transformers consist of three sets of windings that allow them to convert voltage levels effectively while maintaining balanced load distribution. This configuration is essential for powering three-phase equipment, which is prevalent in manufacturing and heavy industries.
In addition to their efficiency, three-phase transformers offer benefits such as reduced losses and improved voltage regulation. They are often utilized in substations and power distribution systems, ensuring that electrical energy is delivered reliably to various facilities. The design and construction of these transformers can vary, but they all serve the critical function of supporting the electrical infrastructure of modern society.
Chinese Companies and CE Certification
China has become a key player in the global transformer market, with numerous companies producing high-quality transformers that meet international standards. Many of these manufacturers hold CE certification, indicating compliance with European safety and environmental regulations. This certification not only enhances the credibility of Chinese products but also opens up opportunities for export to various markets around the world.
The demand for reliable electrical equipment has led to significant investments in research and development among Chinese transformer manufacturers. They are focusing on creating innovative designs and improving energy efficiency to meet the evolving needs of customers. Additionally, many companies are producing informative videos showcasing their products, installation processes, and maintenance tips, which help customers make informed decisions regarding their transformer needs.
