Features of Oil-Immersed Transformers

Oil-immersed transformers are electrical devices that use transformer oil as both a cooling and insulating medium. They are widely used in power systems, industries, mines, urban distribution, and other fields. The main features include:

1. Excellent Cooling Performance

· Transformer oil has good thermal conductivity, efficiently transferring and dissipating the heat generated during the transformer’s operation, keeping the equipment at a stable operating temperature.

· The oil circulation cooling system ensures that oil-immersed transformers maintain stable operation even under high loads.

2. Superior Insulation Performance

· Transformer oil has excellent electrical insulation properties, effectively preventing short circuits or electrical arcing inside the transformer components, enhancing safety.

· The oil-immersed design fully immerses the internal components in oil, ensuring stable and continuous insulation.

3. Strong Adaptability and High Reliability

· Suitable for harsh environments, such as high temperatures, high humidity, and dusty conditions, providing strong environmental adaptability.

· The oil in an oil-immersed transformer provides effective heat dissipation and insulation, which can extend the service life and reduce the occurrence of faults.

4. High Load Capacity

· Higher overload capacity, able to withstand short-term loads exceeding the rated capacity, making it suitable for scenarios with sudden load fluctuations and ensuring the stability of power supply.

· Strong operational stability, maintaining long-term stable performance even under heavy load conditions.

5. Easy Maintenance and Inspection

· The oil-immersed transformer adopts a sealed design, reducing dependency on external factors and ensuring long-term stable operation.

· When maintenance is required, oil testing and treatment technologies can be used to check the quality of the oil and replace or treat it as necessary to maintain optimal operating conditions.

6. High Safety

· Equipped with safety valves and fire protection measures, oil-immersed transformers can effectively release excess pressure in the event of a fault, preventing equipment damage or fire hazards caused by overpressure.

· High-temperature resistance, ensuring the transformer can safely operate in high-temperature environments.

7. Suitable for Large Substations

· Large capacity, making them suitable for high-voltage, large-capacity power transmission in large substations and industrial enterprises.

· Commonly used in long-term, high-load, and high-current power supply scenarios, such as power transmission lines, petrochemical, and steel industries.

Summary

Oil-immersed transformers, with their excellent cooling and insulation performance, strong load capacity, and high reliability, are widely used in power systems, industrial fields, and sites requiring long-term, high-load operation. They provide stable power supply even in harsh environments, have a long service life, and incur low maintenance costs, making them a mature and reliable electrical device.