Table of Contents
Understanding Step-Up Transformers
Step-up transformers play a crucial role in electrical systems by increasing voltage levels to improve efficiency during power transmission. These devices are specifically designed to handle high voltage applications, making them essential in various industries. The principle behind a step-up transformer is based on electromagnetic induction, where the number of turns in the primary coil is less than that in the secondary coil.
In an industrial setting, step-up transformers ensure that electricity generated at lower voltages can be transmitted over long distances without significant losses. By raising the voltage, the current decreases, which reduces the energy loss due to resistance in the wires. This makes step-up transformers integral to the overall efficiency and reliability of power distribution networks, especially in large-scale operations.
Moreover, in countries like China, where rapid industrialization demands robust electrical infrastructure, the production and implementation of step-up transformers have seen significant advancements. Enterprises in China are increasingly focusing on enhancing the performance and durability of these transformers to meet global standards.
630 kVA Transformer Specifications

The 630 kVA transformer is a popular choice for medium-sized industrial applications. With its ability to handle loads up to 630 kilovolt-amperes, it is ideal for factories, commercial buildings, and other facilities that require substantial power supply. The design of this transformer allows for efficient operation, often with minimal energy loss.
One of the standout features of the 630 kVA transformer is its versatility. It can be used in various configurations, including delta and wye connections, which cater to different voltage requirements. This adaptability makes it a preferred option for enterprises looking to optimize their power usage while ensuring reliability and safety.
Furthermore, many manufacturers, particularly in China, offer advanced models of the 630 kVA transformer equipped with smart technology for monitoring and diagnostics. This innovation helps to prevent potential failures and enhances the overall operational lifespan of the transformer, thereby providing peace of mind to users.
Long Warranty Periods: A Key Selling Point
When selecting electrical equipment such as transformers, warranty periods can significantly influence purchasing decisions. A longer warranty period often indicates confidence in the product’s durability and quality. Many Chinese enterprises have begun offering extended warranties on their transformers, including the 630 kVA models, to attract customers.
These long warranty periods not only reflect the manufacturer’s commitment to quality but also provide customers with assurance against defects and performance issues. In an era where operational continuity is critical, having a transformer with a solid warranty can mitigate risks associated with unexpected downtime and maintenance costs.
Additionally, the extended warranty often covers a range of services, including regular maintenance checks and emergency support. This ensures that businesses can focus on their core activities without worrying about potential electrical failures, thus enhancing overall productivity and operational efficiency.
| 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 |

