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Understanding ONAN Transformers
ONAN transformers, or Oil Natural Air Natural transformers, are designed to provide efficient and reliable voltage transformation in various applications. The “ON” in ONAN refers to the oil cooling mechanism, where the transformer is cooled by the natural circulation of oil. This method of cooling allows for effective heat dissipation, making ONAN transformers a popular choice for utility and industrial settings.
| SC(B)11 | Rated capacity （KVA） | Voltage combination（KV） | No-load losses（W） | Load losses（W） | No-load current （%） | Short-circuit impedance （%） |
| SC11-30 | 30 | 6,6.3,6.6,10,11/0.4 | 180 | 710 | 2.4 | 4.0 |
| SC11-50 | 50 | 6,6.3,6.6,10,11/0.4 | 250 | 1000 | 2.4 | 4.0 |
| SC11-80 | 80 | 6,6.3,6.6,10,11/0.4 | 340 | 1380 | 1.8 | 4.0 |
| SC11-100 | 100 | 6,6.3,6.6,10,11/0.4 | 360 | 1570 | 1.8 | 4.0 |
| SC11-125 | 125 | 6,6.3,6.6,10,11/0.4 | 420 | 1850 | 1.6 | 4.0 |
| SCB11-160 | 160 | 6,6.3,6.6,10,11/0.4 | 490 | 2130 | 1.6 | 4.0 |
| SCB11-200 | 200 | 6,6.3,6.6,10,11/0.4 | 560 | 2530 | 1.4 | 4.0 |
| SCB11-250 | 250 | 6,6.3,6.6,10,11/0.4 | 650 | 2760 | 1.4 | 4.0 |
| SCB11-315 | 315 | 6,6.3,6.6,10,11/0.4 | 790 | 3470 | 1.2 | 4.0 |
| SCB11-400 | 400 | 6,6.3,6.6,10,11/0.4 | 880 | 3990 | 1.2 | 4.0 |
| SCB11-500 | 500 | 6,6.3,6.6,10,11/0.4 | 1050 | 4880 | 1.2 | 4.0 |
| SCB11-630 | 630 | 6,6.3,6.6,10,11/0.4 | 1210 | 5880 | 1.0 | 4.0 |
| SCB11-630 | 630 | 6,6.3,6.6,10,11/0.4 | 1170 | 5960 | 1.0 | 6.0 |
| SCB11-800 | 800 | 6,6.3,6.6,10,11/0.4 | 1370 | 6960 | 1.0 | 6.0 |
| SCB11-1000 | 1000 | 6,6.3,6.6,10,11/0.4 | 1590 | 8130 | 1.0 | 6.0 |
| SCB11-1250 | 1250 | 6,6.3,6.6,10,11/0.4 | 1880 | 9690 | 1.0 | 6.0 |
| SCB11-1600 | 1600 | 6,6.3,6.6,10,11/0.4 | 2210 | 11730 | 1.0 | 6.0 |
| SCB11-2000 | 2000 | 6,6.3,6.6,10,11/0.4 | 2720 | 14450 | 0.8 | 6.0 |
| SCB11-2500 | 2500 | 6,6.3,6.6,10,11/0.4 | 3200 | 17170 | 0.8 | 6.0 |
These transformers are particularly suited for three-phase power systems, providing stability and efficiency in energy distribution. Their design not only enhances performance but also increases the lifespan of the transformer, reducing the need for frequent maintenance and repairs. As a result, ONAN transformers are often favored by electrical engineers looking for reliable solutions in demanding environments.
Advantages of Three Phase Transformers
Three phase transformers are essential in modern electrical systems, allowing for the transmission of electricity more efficiently than single-phase transformers. By using three alternating currents that are phase-shifted by 120 degrees, these transformers can handle higher loads and improve overall system reliability. This configuration reduces the amount of copper and iron needed in the transformer, leading to cost-effective solutions for power distribution.
Moreover, three phase transformers offer better voltage regulation and reduced losses compared to their single-phase counterparts. This makes them ideal for large-scale applications such as industrial plants and commercial buildings, where power demand is high and efficiency is crucial. In summary, the use of three phase transformers greatly enhances performance while keeping operational costs low.
Choosing a Cost-Effective China Supplier
When it comes to sourcing ONAN and three phase transformers, China has emerged as a leading supplier in the global market. Many manufacturers offer competitive pricing without compromising on quality, making them an attractive option for businesses seeking cost-effective solutions. By leveraging advanced manufacturing technologies, Chinese suppliers can produce high-quality transformers that meet international standards.
In addition to affordability, working with a reputable supplier from China can ensure timely delivery and excellent customer service. It’s important to do thorough research and select a supplier that has a strong track record of reliability and customer satisfaction. This diligence will help companies avoid potential pitfalls, such as subpar products or delayed shipments, which could impact their operational efficiency.
