Table of Contents
Understanding Step-Up Transformers
Step-up transformers play a crucial role in electrical systems by increasing voltage levels. They are commonly used in power generation and transmission to efficiently transport electricity over long distances. By stepping up the voltage, these transformers reduce the current flowing through the lines, which minimizes power loss due to resistance. This is particularly important in high-voltage applications where efficiency is paramount.
In addition to their primary function, step-up transformers are designed to handle various loads and operating conditions. They can be found in a range of settings, from industrial facilities to renewable energy installations. The versatility of these transformers makes them essential for ensuring reliable power supply across different sectors.

20,000 kVA Transformer Specifications
The 20,000 kVA transformer is a robust unit that provides significant power handling capabilities. Such transformers are typically used in substations, industrial plants, and large commercial buildings. With a capacity of 20,000 kilovolt-amperes, they can efficiently manage large electrical loads while maintaining stable voltage levels. This capacity is particularly beneficial for applications requiring high power demands.
These transformers are engineered to meet stringent safety and performance standards. They often come with features like temperature control, overload protection, and enhanced insulation materials. When selecting a transformer of this caliber, it’s vital to consider factors such as efficiency, reliability, and adherence to industry standards to ensure optimal performance.
Choosing a Reliable Supplier in China
| Type | Rated capacity (KVA) | Voltage combination(KV) | No-load losses(W) | Load losses(W) | No-load current (%) | Short-circuit impedance (%) |
| SC13-30 | 30 | 6,6.3,6.6,10,11/0.4 | 150 | 710 | 2.3 | 4.0 |
| SC13-50 | 50 | 6,6.3,6.6,10,11/0.4 | 215 | 1000 | 2.2 | 4.0 |
| SC13-80 | 80 | 6,6.3,6.6,10,11/0.4 | 295 | 1380 | 1.7 | 4.0 |
| SC13-100 | 100 | 6,6.3,6.6,10,11/0.4 | 320 | 1570 | 1.7 | 4.0 |
| SC13-125 | 125 | 6,6.3,6.6,10,11/0.4 | 375 | 1850 | 1.5 | 4.0 |
| SCB13-160 | 160 | 6,6.3,6.6,10,11/0.4 | 430 | 2130 | 1.5 | 4.0 |
| SCB13-200 | 200 | 6,6.3,6.6,10,11/0.4 | 495 | 2530 | 1.3 | 4.0 |
| SCB13-250 | 250 | 6,6.3,6.6,10,11/0.4 | 575 | 2760 | 1.3 | 4.0 |
| SCB13-315 | 315 | 6,6.3,6.6,10,11/0.4 | 705 | 3470 | 1.1 | 4.0 |
| SCB13-400 | 400 | 6,6.3,6.6,10,11/0.4 | 785 | 3990 | 1.1 | 4.0 |
| SCB13-500 | 500 | 6,6.3,6.6,10,11/0.4 | 930 | 4880 | 1.1 | 4.0 |
| SCB13-630 | 630 | 6,6.3,6.6,10,11/0.4 | 1070 | 5880 | 0.9 | 4.0 |
| SCB13-630 | 630 | 6,6.3,6.6,10,11/0.4 | 1040 | 5960 | 0.9 | 6.0 |
| SCB13-800 | 800 | 6,6.3,6.6,10,11/0.4 | 1210 | 6960 | 0.9 | 6.0 |
| SCB13-1000 | 1000 | 6,6.3,6.6,10,11/0.4 | 1410 | 8130 | 0.9 | 6.0 |
| SCB13-1250 | 1250 | 6,6.3,6.6,10,11/0.4 | 1670 | 9690 | 0.9 | 6.0 |
| SCB13-1600 | 1600 | 6,6.3,6.6,10,11/0.4 | 1960 | 11700 | 0.9 | 6.0 |
| SCB13-2000 | 2000 | 6,6.3,6.6,10,11/0.4 | 2440 | 14400 | 0.7 | 6.0 |
| SCB13-2500 | 2500 | 6,6.3,6.6,10,11/0.4 | 2880 | 17100 | 0.7 | 6.0 |
When sourcing a 20,000 kVA transformer, selecting a reputable supplier in China is essential. Many Chinese manufacturers comply with international quality standards, including ISO 9001 certification. This certification signifies that the manufacturer has established a quality management system that meets customer and regulatory requirements. Working with certified suppliers can significantly reduce the risks associated with equipment failures and subpar products.
In addition to quality assurance, a reliable supplier should offer comprehensive support services, such as installation, maintenance, and technical assistance. This ensures that clients receive not only high-quality products but also the necessary support throughout the product lifecycle. Evaluating a supplier’s track record and customer reviews can provide valuable insights into their reliability and service quality.

