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What is the Difference between Vacuum-Impregnated Transformers and Traditional Oil-Immersed Transformers?

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What is the Difference between Vacuum-Impregnated Transformers and Traditional Oil-Immersed Transformers?

2023.03.27

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Vacuum-impregnated transformers and traditional oil-immersed transformers are two different types of transformers used in different applications. The main difference between the two types of transformers is in their insulation system.

Vacuum-impregnated transformers use a vacuum-impregnated insulation system. This involves using a vacuum chamber to evacuate air from the inside of the transformer. Once the air is evacuated, a special type of insulation material is introduced and quickly cured. This insulation has a high level of performance and can withstand higher temperatures and temperatures fluctuations.

Traditional oil-immersed transformers use a different type of insulation system. This system involves using mineral oil to provide an insulating layer between the transformer core and the outer casing. The oil is a good insulator and can withstand temperatures up to 180℃. This type of insulation is more cost-effective, but is not as effective in high temperature environments.

In conclusion, vacuum-impregnated transformers and traditional oil-immersed transformers are two different types of transformers. Vacuum-impregnated transformers offer more advanced insulation systems, but are more expensive. Traditional oil-immersed transformers offer a cheaper and simpler insulation system, but are less effective in high temperature environments.

When selecting a transformer, it is important to consider the environment in which the transformer will be installed. If the environment is likely to be hot or subject to temperature fluctuations, a vacuum-impregnated transformer may be the best option. This type of transformer offers superior insulation performance and is able to withstand higher temperatures and temperature fluctuations.

It is also important to consider the cost of the transformer and the cost of maintenance. Vacuum-impregnated transformers are generally more expensive than traditional oil-immersed transformers, but they also require less maintenance. Traditional oil-immersed transformers require periodic maintenance in order to ensure that the oil levels are correct and that the insulation system is working correctly.

Finally, it is important to consider the performance of the transformer. Vacuum-impregnated transformers typically offer better performance than traditional oil-immersed transformers, as the insulation system is more efficient and is able to withstand higher temperatures and temperature fluctuations.

In conclusion, vacuum-impregnated transformers and traditional oil-immersed transformers are both excellent options depending on the environment, cost, and performance requirements of the application. It is important to consider each of these factors carefully in order to select the best transformer for the job.

LuShan, est. 1975,  is a Chinese professional manufacturer specializing in power transformers and reactors for 48 years. Leading products are single-phase transformer, three-phase transformers, DC inductors, AC reactors, filtering reactor, expoxy resin high-voltage transformer and intermediate, high-frequency products. Our transformers and reactors are widely used in 10 application areas: rapid transit, construction machinery, renewable energy, intelligent manufacturing, medical equipment, coal mine explosion prevention , excitation system, vacuum sintering, central air conditioning.

Know more about power transformer :https://www.lstransformer.com/Transformers