Table of Contents
Overview of ONAN Transformers
ONAN transformers, or Oil Natural Air Natural transformers, are a type of power transformer that uses oil for insulation and cooling. These transformers are designed to operate efficiently under various load conditions, making them ideal for industrial applications. The ONAN design allows for better heat dissipation compared to air-cooled transformers, ensuring longer operational life and reliability.
Manufactured using high-quality materials, ONAN transformers provide excellent performance in three-phase electrical systems. Their ability to manage high voltage levels while maintaining stability makes them essential for power distribution networks. Companies investing in ONAN transformers can expect significant returns due to their durability and low maintenance requirements.
Three-Phase Transformers in Industrial Applications
Three-phase transformers are widely used in industries where large amounts of power need to be distributed efficiently. These transformers convert three-phase electrical power into a usable form, which helps in delivering consistent energy supply to various machinery and equipment. The versatility of three-phase transformers makes them suitable for factories, commercial buildings, and substations.
In China, numerous manufacturing companies specialize in producing high-quality three-phase transformers. These companies leverage advanced technology and skilled labor to ensure that their products meet international standards. By focusing on innovation and efficiency, Chinese manufacturers have positioned themselves as key players in the global transformer market.
Long Warranty Periods for Peace of Mind
| model | Rating power （KVA） | Voltage combination（KV） | Off-load losses（W） | Load losses（W） | Off-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 |
When purchasing transformers, one of the critical factors to consider is the warranty period offered by the manufacturer. A long warranty period often indicates a company’s confidence in its product’s quality and durability. Many Chinese manufacturing companies provide extended warranties for their ONAN and three-phase transformers, reflecting their commitment to customer satisfaction.
These warranties not only offer peace of mind to customers but also protect their investments over time. In case of any manufacturing defects or operational failures, customers can rely on the assurance provided by these long warranty periods. This factor plays a significant role in influencing purchasing decisions for businesses looking to invest in reliable transformer solutions.
