Table of Contents
Understanding Electrical Transformers
| SC(B)10 | Rated capacity (KVA) | Voltage combination(KV) | No-load losses(W) | Load losses(W) | No-load current (%) | Short-circuit impedance (%) |
| SC10-30 | 30 | 6,6.3,6.6,10,11/0.4 | 190 | 710 | 2.4 | 4.0 |
| SC10-50 | 50 | 6,6.3,6.6,10,11/0.4 | 270 | 1000 | 2.4 | 4.0 |
| SC10-80 | 80 | 6,6.3,6.6,10,11/0.4 | 370 | 1380 | 1.8 | 4.0 |
| SC10-100 | 100 | 6,6.3,6.6,10,11/0.4 | 400 | 1570 | 1.8 | 4.0 |
| SC10-125 | 125 | 6,6.3,6.6,10,11/0.4 | 470 | 1850 | 1.6 | 4.0 |
| SCB10-160 | 160 | 6,6.3,6.6,10,11/0.4 | 550 | 2130 | 1.6 | 4.0 |
| SCB10-200 | 200 | 6,6.3,6.6,10,11/0.4 | 630 | 2530 | 1.4 | 4.0 |
| SCB10-250 | 250 | 6,6.3,6.6,10,11/0.4 | 720 | 2760 | 1.4 | 4.0 |
| SCB10-315 | 315 | 6,6.3,6.6,10,11/0.4 | 880 | 3470 | 1.2 | 4.0 |
| SCB10-400 | 400 | 6,6.3,6.6,10,11/0.4 | 980 | 3990 | 1.2 | 4.0 |
| SCB10-500 | 500 | 6,6.3,6.6,10,11/0.4 | 1160 | 4880 | 1.2 | 4.0 |
| SCB10-630 | 630 | 6,6.3,6.6,10,11/0.4 | 1350 | 5880 | 1.0 | 4.0 |
| SCB10-630 | 630 | 6,6.3,6.6,10,11/0.4 | 1300 | 5960 | 1.0 | 6.0 |
| SCB10-800 | 800 | 6,6.3,6.6,10,11/0.4 | 1520 | 6960 | 1.0 | 6.0 |
| SCB10-1000 | 1000 | 6,6.3,6.6,10,11/0.4 | 1770 | 8130 | 1.0 | 6.0 |
| SCB10-1250 | 1250 | 6,6.3,6.6,10,11/0.4 | 2090 | 9690 | 1.0 | 6.0 |
| SCB10-1600 | 1600 | 6,6.3,6.6,10,11/0.4 | 2450 | 11730 | 1.0 | 6.0 |
| SCB10-2000 | 2000 | 6,6.3,6.6,10,11/0.4 | 3050 | 14450 | 0.8 | 6.0 |
| SCB10-2500 | 2500 | 6,6.3,6.6,10,11/0.4 | 3600 | 17170 | 0.8 | 6.0 |
Electrical transformers are essential devices used in power distribution systems to transfer electrical energy between circuits. They operate on the principle of electromagnetic induction, allowing for the conversion of voltage levels, which is crucial for efficiently transmitting electricity over long distances. A transformer can either step up the voltage, making it higher for transmission, or step it down, making it suitable for consumer use.
The construction of a transformer typically includes core materials that enhance magnetic efficiency, along with copper or aluminum windings. These components work together to ensure that power losses are minimized during the energy transfer process. In various applications, transformers play a critical role in maintaining system stability and reliability, especially in industrial settings where large amounts of energy are consumed.
The 400 kVA Transformer: Features and Applications
A 400 kVA transformer is often used in commercial and industrial applications due to its ability to handle significant loads while maintaining operational efficiency. This type of transformer can support various equipment such as motors, lighting systems, and machinery, making it a versatile choice for many businesses. The robust design of the 400 kVA transformer ensures it can withstand demanding conditions, providing reliable performance over time.
When selecting a transformer, factors such as efficiency, cost, and maintenance requirements must be considered. A 400 kVA transformer is typically designed to operate at high efficiency, making it an attractive option for companies looking to reduce energy costs. Additionally, modern designs often incorporate features that allow for easier maintenance, leading to lower downtime and increased productivity.
Cost-Effective Options from Chinese Manufacturers

China has emerged as a leading manufacturer of electrical transformers, including the 400 kVA model. Many Chinese companies offer cost-effective solutions without compromising on quality. This affordability can result from large-scale production capabilities and access to competitive raw materials, enabling manufacturers to pass savings onto consumers.
Investing in a transformer from a reputable Chinese maker can lead to significant savings in both initial purchase price and long-term operational costs. However, it’s essential to conduct thorough research and choose manufacturers that adhere to international quality standards. Ensuring that the transformer meets specific safety and performance criteria is vital, as it guarantees the reliability and durability of the equipment in various applications.
The growing demand for energy-efficient solutions continues to drive innovation in the transformer industry, and Chinese manufacturers are at the forefront of this trend. By leveraging advanced technologies and sustainable practices, they are producing transformers that not only meet current market needs but also anticipate future requirements in an increasingly competitive landscape.

