Table of Contents
Understanding ONAN Transformers
ONAN transformers, which stands for Oil Natural Air Natural, are widely used in electrical distribution systems. These transformers rely on natural oil for cooling, allowing them to operate efficiently even under high load conditions. The design ensures that the heat generated during operation is dissipated through the surrounding air, making it a reliable choice for various industrial applications.
The advantages of ONAN transformers include their relatively low maintenance requirements and high operational efficiency. They are particularly suitable for environments where space constraints do not allow for elaborate cooling systems. This makes them an ideal option for many industries looking to optimize their energy costs while maintaining performance.
| Type | Rated capacity （KVA） | Voltage combination（KV） | No-load losses（W） | Load losses（W） | No-load current （%） | Short-circuit impedance （%） |
| SCH15-30 | 30 | 6,6.3,6.6,10,11/0.4 | 70 | 710 | 1.6 | 4.0 |
| SCH15-50 | 50 | 6,6.3,6.6,10,11/0.4 | 90 | 1000 | 1.4 | 4.0 |
| SCH15-80 | 80 | 6,6.3,6.6,10,11/0.4 | 120 | 1380 | 1.3 | 4.0 |
| SCH15-100 | 100 | 6,6.3,6.6,10,11/0.4 | 130 | 1570 | 1.2 | 4.0 |
| SCH15-125 | 125 | 6,6.3,6.6,10,11/0.4 | 150 | 1850 | 1.1 | 4.0 |
| SC(B)H15-160 | 160 | 6,6.3,6.6,10,11/0.4 | 170 | 2130 | 1.1 | 4.0 |
| SC(B)H15-200 | 200 | 6,6.3,6.6,10,11/0.4 | 200 | 2530 | 1.0 | 4.0 |
| SC(B)H15-250 | 250 | 6,6.3,6.6,10,11/0.4 | 230 | 2760 | 1.0 | 4.0 |
| SC(B)H15-315 | 315 | 6,6.3,6.6,10,11/0.4 | 280 | 3470 | 0.9 | 4.0 |
| SC(B)H15-400 | 400 | 6,6.3,6.6,10,11/0.4 | 310 | 3990 | 0.8 | 4.0 |
| SC(B)H15-500 | 500 | 6,6.3,6.6,10,11/0.4 | 360 | 4880 | 0.8 | 4.0 |
| SC(B)H15-630 | 630 | 6,6.3,6.6,10,11/0.4 | 420 | 5880 | 0.7 | 4.0 |
| SC(B)H15-630 | 630 | 6,6.3,6.6,10,11/0.4 | 410 | 5960 | 0.7 | 6.0 |
| SC(B)H15-800 | 800 | 6,6.3,6.6,10,11/0.4 | 480 | 6960 | 0.7 | 6.0 |
| SC(B)H15-1000 | 1000 | 6,6.3,6.6,10,11/0.4 | 550 | 8130 | 0.6 | 6.0 |
| SC(B)H15-1250 | 1250 | 6,6.3,6.6,10,11/0.4 | 650 | 9690 | 0.6 | 6.0 |
| SC(B)H15-1600 | 1600 | 6,6.3,6.6,10,11/0.4 | 780 | 11730 | 0.6 | 6.0 |
| SC(B)H15-2000 | 2000 | 6,6.3,6.6,10,11/0.4 | 1000 | 14450 | 0.5 | 6.0 |
| SC(B)H15-2500 | 2500 | 6,6.3,6.6,10,11/0.4 | 1200 | 17170 | 0.5 | 6.0 |
Three-Phase Transformer Benefits
Three-phase transformers offer superior efficiency and power handling capabilities compared to single-phase transformers. This type of transformer is essential for large-scale industrial applications where balanced power distribution is crucial. In many cases, they can reduce energy losses significantly, which translates into lower operational costs over time.
Moreover, three-phase transformers are commonly used in conjunction with renewable energy sources, such as wind and solar power systems. Their ability to handle varying loads makes them a preferred choice for modern energy solutions, especially in regions experiencing rapid growth in electricity demand.
Choosing a Reliable China Supplier
When sourcing ONAN transformers or three-phase transformers, selecting a reputable supplier in China is vital. Many Chinese manufacturers offer high cost performance products that meet international standards. By partnering with a reliable supplier, businesses can ensure they receive quality products at competitive prices, benefiting from China’s robust manufacturing capabilities.
<pIt's important to conduct thorough research on potential suppliers, including their certifications and customer reviews. A good relationship with a trusted partner can lead to better after-sales support and maintenance services, which are crucial for ensuring the longevity of transformers in any application. When considering price, it's essential to balance cost with quality to avoid potential issues down the line.