Table of Contents
Understanding Step-Up Transformers
| 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 |
Step-up transformers are essential devices used in electrical systems to increase voltage levels while reducing current. This transformation is crucial in power transmission, allowing electricity to travel long distances with minimized energy loss. By stepping up the voltage, the transformer ensures that the efficiency of the power system is maximized.
Manufactured by various companies across the globe, these transformers are particularly common in industrial applications and renewable energy projects. They play a vital role in connecting different voltage networks, facilitating the smooth transfer of power from generation sources to distribution systems.
Features of a 4000 kVA Transformer
A 4000 kVA transformer is designed to handle substantial power loads, making it suitable for large facilities such as factories, commercial buildings, and utility plants. This capacity allows it to efficiently manage high-demand electrical appliances and machinery, ensuring reliable operation without overloading.
When selecting a 4000 kVA transformer, it is essential to consider factors such as efficiency ratings, cooling methods, and insulation types. These features directly impact the performance and longevity of the transformer, influencing how well it can operate under demanding conditions.
| 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 |
Choosing a Reliable China Manufacturer
China has become a leading hub for transformer manufacturing, providing a vast array of options for buyers worldwide. When selecting a manufacturer, it’s crucial to evaluate their reputation, quality control processes, and compliance with international standards. A reliable manufacturer will ensure that the transformers meet the required specifications and are built to last.
Moreover, many Chinese manufacturers offer an extended warranty period for their transformers. This warranty not only covers defects but also provides peace of mind for buyers, signaling confidence in the product’s durability. A longer warranty period can significantly reduce maintenance costs and enhance overall operational efficiency, making it a critical factor in the purchasing decision.
