Table of Contents
Overview of ONAN Transformers
ONAN transformers, or Oil Natural Air Natural transformers, are widely recognized for their efficiency and reliability in electrical distribution systems. The 250 kVA transformer is a popular choice among businesses due to its optimal performance in various industrial applications. These transformers are designed to handle medium voltage levels, making them suitable for a range of settings including commercial buildings and manufacturing plants.
The design of ONAN transformers includes features that support effective heat dissipation, allowing them to operate efficiently under load. This is particularly important in ensuring the longevity and durability of the transformer, as overheating can significantly shorten its lifespan. Users often report high satisfaction with the performance of ONAN transformers, especially when they are used in conjunction with modern electrical systems.
| 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 |
High Cost Performance of 250 kVA Transformers
One of the standout characteristics of the 250 kVA transformer is its high cost performance. Companies in China have increasingly adopted these transformers due to their competitive pricing and reliable operation. This combination allows businesses to maximize their return on investment while minimizing operational costs, thus maintaining a healthy bottom line.
Investing in a 250 kVA ONAN transformer often results in lower maintenance costs over time. Because these transformers are built with quality materials and robust engineering, they tend to require fewer repairs compared to cheaper alternatives. Additionally, the energy efficiency of ONAN transformers contributes to significant savings on electricity bills, further enhancing their cost-effectiveness.
The Chinese Market and ONAN Transformers
The demand for ONAN transformers, particularly the 250 kVA models, has been growing in China. Many domestic companies have recognized the advantages of using these transformers in their operations, leading to an increase in local manufacturing. This trend not only supports the economy but also provides businesses with quicker access to necessary equipment.
Chinese manufacturers are continuously improving the technology behind ONAN transformers, ensuring that they meet international standards while remaining competitively priced. By focusing on high cost performance, these companies are able to cater to the specific needs of various industries, making their products highly sought after both domestically and internationally.
