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Types of Transformers: Dry Type and Liquid Filled
Transformers are crucial components in electrical systems, and they come in various types to meet different needs. Among these, dry type and liquid-filled transformers are the most commonly used. Dry type transformers utilize air as an insulating medium, making them suitable for indoor environments and areas with strict safety regulations. They are less prone to fire hazards and require minimal maintenance, enhancing their appeal in urban settings.
On the other hand, liquid-filled transformers use oil as an insulating and cooling medium. This type is often preferred for outdoor applications due to its superior heat dissipation capabilities. The oil not only helps in cooling but also provides additional insulation, allowing these transformers to handle higher voltages. However, they do come with environmental considerations, such as the potential for oil leaks that could harm the surroundings.
| Type | Rated capacity （KVA） | Voltage combination（KV） | No-load losses（W） | Load losses（W） | No-load current （%） | Short-circuit impedance （%） |
| SC12-30 | 30 | 6,6.3,6.6,10,11/0.4 | 150 | 710 | 2.0 | 4.0 |
| SC12-50 | 50 | 6,6.3,6.6,10,11/0.4 | 215 | 1000 | 2.0 | 4.0 |
| SC12-80 | 80 | 6,6.3,6.6,10,11/0.4 | 295 | 1380 | 1.5 | 4.0 |
| SC12-100 | 100 | 6,6.3,6.6,10,11/0.4 | 320 | 1570 | 1.5 | 4.0 |
| SC12-125 | 125 | 6,6.3,6.6,10,11/0.4 | 375 | 1850 | 1.3 | 4.0 |
| SCB12-160 | 160 | 6,6.3,6.6,10,11/0.4 | 430 | 2130 | 1.3 | 4.0 |
| SCB12-200 | 200 | 6,6.3,6.6,10,11/0.4 | 495 | 2530 | 1.1 | 4.0 |
| SCB12-250 | 250 | 6,6.3,6.6,10,11/0.4 | 575 | 2760 | 1.1 | 4.0 |
| SCB12-315 | 315 | 6,6.3,6.6,10,11/0.4 | 705 | 3470 | 1.0 | 4.0 |
| SCB12-400 | 400 | 6,6.3,6.6,10,11/0.4 | 785 | 3990 | 1.0 | 4.0 |
| SCB12-500 | 500 | 6,6.3,6.6,10,11/0.4 | 930 | 4880 | 1.0 | 4.0 |
| SCB12-630 | 630 | 6,6.3,6.6,10,11/0.4 | 1070 | 5880 | 0.85 | 4.0 |
| SCB12-630 | 630 | 6,6.3,6.6,10,11/0.4 | 1040 | 5960 | 0.85 | 6.0 |
| SCB12-800 | 800 | 6,6.3,6.6,10,11/0.4 | 1210 | 6960 | 0.85 | 6.0 |
| SCB12-1000 | 1000 | 6,6.3,6.6,10,11/0.4 | 1410 | 8130 | 0.85 | 6.0 |
| SCB12-1250 | 1250 | 6,6.3,6.6,10,11/0.4 | 1670 | 9690 | 0.85 | 6.0 |
| SCB12-1600 | 1600 | 6,6.3,6.6,10,11/0.4 | 1960 | 11700 | 0.85 | 6.0 |
| SCB12-2000 | 2000 | 6,6.3,6.6,10,11/0.4 | 2440 | 14400 | 0.7 | 6.0 |
| SCB12-2500 | 2500 | 6,6.3,6.6,10,11/0.4 | 2880 | 17100 | 0.7 | 6.0 |
Three-Phase Transformers in Industrial Applications
Three-phase transformers are essential for industrial power distribution, providing a balanced and efficient way to manage electrical loads. These transformers can step up or step down voltage levels, making them vital for various manufacturing processes. In China, many factories specialize in producing three-phase transformers that adhere to international standards like IEC60076, ensuring reliability and safety in operation.
The benefits of using three-phase transformers include improved efficiency and reduced losses during energy transmission. Additionally, they can support a variety of applications, from powering heavy machinery to facilitating renewable energy integration. Factories in China have made significant advancements in technology, allowing them to produce high-quality transformers that meet global demand.
Finding Reliable Suppliers and Factory Options
When searching for suppliers of transformers, especially in China, it is important to consider quality, compliance with standards, and customer service. Many Chinese manufacturers offer competitive prices but may vary in terms of product quality and adherence to IEC60076 standards. It’s advisable to conduct thorough research and review certifications to ensure that the transformers meet required specifications.
Video resources can also be helpful in evaluating suppliers. Many factories provide online videos showcasing their production processes, product features, and quality assurance measures. These visual aids can give buyers a clearer picture of what to expect, helping them make informed decisions. Moreover, engaging with suppliers through video calls can foster better communication and build trust, paving the way for successful business relationships.