Table of Contents
Overview of Distribution Transformers
Distribution transformers play a crucial role in the electrical power distribution system. They are responsible for stepping down high voltage electricity from transmission lines to lower voltages suitable for residential and commercial use. The design and efficiency of these transformers are essential to ensure reliable power supply while minimizing energy losses.
With a capacity of 31,500 kVA, this type of transformer is particularly significant for large-scale applications. Such transformers can handle substantial loads, making them ideal for urban areas and industrial zones where energy demand is high. The performance and durability of these transformers directly impact the overall efficacy of the power distribution network.
Leading Manufacturers in China
| SC(B)11 | Rated capacity （KVA） | Voltage combination（KV） | No-load losses（W） | Load losses（W） | No-load current （%） | Short-circuit impedance （%） |
| SC11-30 | 30 | 6,6.3,6.6,10,11/0.4 | 180 | 710 | 2.4 | 4.0 |
| SC11-50 | 50 | 6,6.3,6.6,10,11/0.4 | 250 | 1000 | 2.4 | 4.0 |
| SC11-80 | 80 | 6,6.3,6.6,10,11/0.4 | 340 | 1380 | 1.8 | 4.0 |
| SC11-100 | 100 | 6,6.3,6.6,10,11/0.4 | 360 | 1570 | 1.8 | 4.0 |
| SC11-125 | 125 | 6,6.3,6.6,10,11/0.4 | 420 | 1850 | 1.6 | 4.0 |
| SCB11-160 | 160 | 6,6.3,6.6,10,11/0.4 | 490 | 2130 | 1.6 | 4.0 |
| SCB11-200 | 200 | 6,6.3,6.6,10,11/0.4 | 560 | 2530 | 1.4 | 4.0 |
| SCB11-250 | 250 | 6,6.3,6.6,10,11/0.4 | 650 | 2760 | 1.4 | 4.0 |
| SCB11-315 | 315 | 6,6.3,6.6,10,11/0.4 | 790 | 3470 | 1.2 | 4.0 |
| SCB11-400 | 400 | 6,6.3,6.6,10,11/0.4 | 880 | 3990 | 1.2 | 4.0 |
| SCB11-500 | 500 | 6,6.3,6.6,10,11/0.4 | 1050 | 4880 | 1.2 | 4.0 |
| SCB11-630 | 630 | 6,6.3,6.6,10,11/0.4 | 1210 | 5880 | 1.0 | 4.0 |
| SCB11-630 | 630 | 6,6.3,6.6,10,11/0.4 | 1170 | 5960 | 1.0 | 6.0 |
| SCB11-800 | 800 | 6,6.3,6.6,10,11/0.4 | 1370 | 6960 | 1.0 | 6.0 |
| SCB11-1000 | 1000 | 6,6.3,6.6,10,11/0.4 | 1590 | 8130 | 1.0 | 6.0 |
| SCB11-1250 | 1250 | 6,6.3,6.6,10,11/0.4 | 1880 | 9690 | 1.0 | 6.0 |
| SCB11-1600 | 1600 | 6,6.3,6.6,10,11/0.4 | 2210 | 11730 | 1.0 | 6.0 |
| SCB11-2000 | 2000 | 6,6.3,6.6,10,11/0.4 | 2720 | 14450 | 0.8 | 6.0 |
| SCB11-2500 | 2500 | 6,6.3,6.6,10,11/0.4 | 3200 | 17170 | 0.8 | 6.0 |
China has become a global leader in the manufacturing of distribution transformers, with numerous companies specializing in high-capacity units like the 31,500 kVA transformer. These manufacturers adhere to international standards, ensuring that their products meet the stringent requirements of various markets around the world.
One notable aspect of these Chinese companies is their commitment to quality management systems, often certified under ISO 9001. This certification indicates that the manufacturers follow best practices in production, ensuring consistent quality and reliability in their transformers. Such a focus on quality helps enhance the competitiveness of Chinese firms in the global market.
Importance of ISO 9001 Certification
ISO 9001 certification plays a pivotal role in the manufacturing industry, especially in the electrical sector. This standard provides a framework for organizations to improve their processes, increase customer satisfaction, and ensure product quality. For companies producing distribution transformers, achieving ISO 9001 certification signifies a commitment to excellence and continuous improvement.
Manufacturers with ISO 9001 certification are more likely to implement effective quality control measures throughout their production processes. This not only helps in producing reliable transformers but also fosters trust among customers. In a competitive industry, such certifications can be a key differentiator, allowing companies to stand out and attract more clients.
In summary, the combination of advanced manufacturing capabilities, adherence to international standards like ISO 9001, and a robust focus on quality makes Chinese companies well-positioned to lead in the distribution transformer market.
