Table of Contents
Understanding Electrical Transformers
The electrical transformer plays a crucial role in the distribution of electrical energy. It is a static device that transfers electrical energy between two or more circuits through electromagnetic induction. By stepping up or stepping down voltage levels, transformers enable efficient power transmission over long distances. This efficiency is essential for minimizing energy loss in electrical systems.
| Type | Rated capacity （KVA） | Voltage combination（KV） | No-load losses（W） | Load losses（W） | No-load current (%) | Short-circuit impedance (%) |
| S11-630 | 630 | 33,35/6.3,6.6,10.5,11 | 830 | 7870 | 1.10 | 6.5 |
| S11-800 | 800 | 33,35/6.3,6.6,10.5,11 | 980 | 9410 | 1.00 | 6.5 |
| S11-1000 | 1000 | 33,35/6.3,6.6,10.5,11 | 1150 | 11540 | 1.00 | 6.5 |
| S11-1250 | 1250 | 33,35/6.3,6.6,10.5,11 | 1410 | 13940 | 0.90 | 6.5 |
| S11-1600 | 1600 | 33,35/6.3,6.6,10.5,11 | 1700 | 16670 | 0.80 | 6.5 |
| S11-2000 | 2000 | 33,35/6.3,6.6,10.5,11 | 2180 | 18380 | 0.70 | 6.5 |
| S11-2500 | 2500 | 33,35/6.3,6.6,10.5,11 | 2560 | 19670 | 0.60 | 6.5 |
| S11-3150 | 3150 | 33,35/6.3,6.6,10.5,11 | 3040 | 23090 | 0.56 | 7.0 |
| S11-4000 | 4000 | 33,35/6.3,6.6,10.5,11 | 3620 | 27360 | 0.56 | 7.0 |
| S11-5000 | 5000 | 33,35/6.3,6.6,10.5,11 | 4320 | 31380 | 0.48 | 7.0 |
| S11-6300 | 6300 | 33,35/6.3,6.6,10.5,11 | 5250 | 35060 | 0.48 | 7.5 |
| S11-8000 | 8000 | 33,35/6.3,6.6,10.5,11 | 7200 | 38500 | 0.42 | 7.5 |
| S11-10000 | 10000 | 33,35/6.3,6.6,10.5,11 | 8700 | 45300 | 0.42 | 7.5 |
| S11-12500 | 12500 | 33,35/6.3,6.6,10.5,11 | 10080 | 53900 | 0.40 | 8.0 |
| S11-16000 | 16000 | 33,35/6.3,6.6,10.5,11 | 12160 | 65800 | 0.40 | 8.0 |
| S11-20000 | 20000 | 33,35/6.3,6.6,10.5,11 | 14400 | 79500 | 0.40 | 8.0 |
| S11-25000 | 25000 | 33,35/6.3,6.6,10.5,11 | 17020 | 94100 | 0.32 | 8.0 |
| S11-31500 | 31500 | 33,35/6.3,6.6,10.5,11 | 20220 | 112900 | 0.32 | 8.0 |
In various applications, a 250 kVA transformer is widely used due to its ability to handle medium-scale loads. This transformer can be found in numerous settings, from commercial buildings to industrial plants. Its capacity allows it to provide reliable power without overwhelming the electrical infrastructure, making it an ideal choice for many operations.
High Cost Performance of Chinese Manufacturing
China has become a prominent player in the manufacturing of electrical transformers, including the 250 kVA model. Many companies in China focus on high-quality production while maintaining cost-effectiveness. This balance offers customers excellent value for their investment, providing durable products without sacrificing performance.
The competitive pricing of transformers manufactured in China often attracts businesses looking to optimize their operational costs. With advancements in technology and production techniques, Chinese companies can produce transformers that meet international standards. This ensures that customers receive reliable and efficient products at a fraction of the cost compared to other regions.
| 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 |
Choosing the Right Manufacturer
When selecting a manufacturer for a 250 kVA transformer, it is essential to consider factors such as quality, reliability, and after-sales support. A reputable Chinese manufacturing company should have a proven track record of delivering high-performance transformers. Clients should look for certifications and customer testimonials to gauge the manufacturer’s credibility.
Additionally, potential buyers should analyze the warranty and service options provided by the manufacturer. A strong after-sales support system can greatly enhance the cost performance of the transformer, ensuring that any issues are promptly addressed. Ultimately, choosing the right manufacturer can significantly impact the overall efficiency and longevity of the electrical transformer, making it a wise investment for any business.