Table of Contents
Overview of Dry Type Transformers
Dry type transformers are a crucial component in modern electrical systems, especially for their reliability and safety. Unlike oil-filled transformers, dry type transformers use air as the cooling medium, which significantly reduces the risk of fire and environmental hazards. These transformers are particularly suitable for indoor installations and in locations where flammable liquids pose a danger.
The 31500 kVA transformer is one of the most powerful variants available in the dry type category. This transformer is designed to handle high voltage and current levels, making it ideal for large industrial applications. With its robust design and efficient performance, it ensures a steady power supply, meeting the demands of various sectors such as manufacturing, mining, and commercial enterprises.
Manufacturing Process in China
China has become a global leader in the production of dry type transformers, including the high-capacity 31500 kVA units. Factories in China leverage advanced technology and skilled labor to manufacture these transformers, ensuring that they meet international standards. The integration of automation in the manufacturing process enhances precision and reduces production time, making it possible to deliver high-quality products at competitive prices.

To ensure consistency and quality, many factories adhere to ISO 9001 standards. This certification demonstrates a commitment to quality management principles, including customer focus, the involvement of top management, and a process approach. By following these guidelines, Chinese manufacturers can guarantee that their dry type transformers are reliable, efficient, and capable of meeting the diverse needs of their clients worldwide.
Advantages of ISO 9001 Certification
ISO 9001 certification is essential for manufacturers aiming to establish credibility in the global market. It not only assures customers of the quality of products but also enhances operational efficiencies within the factory. By implementing ISO standards, manufacturers can identify areas for improvement, streamline processes, and reduce waste, ultimately leading to higher productivity and profitability.
For buyers, purchasing dry type transformers from ISO 9001 certified factories provides peace of mind. They can trust that the products have been manufactured under stringent quality control measures, minimizing the risk of defects or failures. This is particularly important for large-scale projects where reliability is paramount, as any downtime caused by equipment failure can result in significant financial losses.
| 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 |

