Table of Contents
Understanding Step Up Transformers
Step up transformers are essential electrical devices that increase voltage levels from a lower voltage to a higher voltage. These transformers play a crucial role in the efficient transmission of electricity over long distances. By stepping up the voltage, they help reduce energy losses that occur during power distribution, making them vital for both industrial and commercial applications.
The design of a step up transformer typically involves multiple windings on the primary and secondary sides, with the secondary winding having more turns than the primary. This configuration ensures that the output voltage is greater than the input voltage. As a result, these transformers are commonly used in power plants and substations where high voltage is necessary for effective power distribution.
250 kVA Transformer Specifications
| 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 |
A 250 kVA transformer is designed to handle a significant amount of electrical load, making it suitable for medium-sized commercial and industrial applications. With a power rating of 250 kVA, this transformer can efficiently supply electricity to various equipment and machinery, ensuring smooth operations. It is an ideal choice for factories, shopping malls, and other establishments that require reliable power supply.
This transformer type is usually constructed with high-quality materials that ensure durability and efficiency. The robust design helps withstand harsh operational conditions, which is particularly important in a factory setting. Additionally, the 250 kVA transformer often comes equipped with safety features, such as overload protection and temperature monitoring, to prevent any damage and ensure longevity.
Manufacturing in China and Warranty Periods
China has emerged as a leading manufacturer of transformers, including step up transformers and 250 kVA models. The factories in China utilize advanced technology and skilled labor to produce high-quality transformers that meet international standards. This manufacturing prowess allows for competitive pricing while maintaining superior quality, making Chinese transformers popular globally.
<pWhen purchasing a transformer, the warranty period is a critical consideration for buyers. Many Chinese manufacturers offer extended warranty periods, often ranging from 1 to 3 years. This long warranty period reflects the confidence manufacturers have in their products and provides peace of mind to customers. Buyers should always check the warranty details before making a purchase, as it can be an indicator of the transformer's reliability and durability.