What is a high vacuum transformer oil purifier?

A high vacuum transformer oil purifier is a specialized machine designed to purify and dehydrate transformer oil in electrical transformers. Over time, transformer oil can become contaminated with moisture, gases (such as oxygen, nitrogen, and hydrocarbons), and solid particles, which can degrade its insulating properties and the overall performance of the transformer.

Here’s how the high vacuum transformer oil purifier works:

 1. Vacuum Dehydration

   - The machine creates a high vacuum environment, reducing the unit's pressure. In this low-pressure condition, the boiling point of water and other volatile contaminants in the oil decreases, allowing them to evaporate and separate from the oil.

   - The vacuum helps remove dissolved moisture and gas (like oxygen) in the oil, which improves its dielectric properties and prevents electrical breakdown.

 2. Filtration

   - The oil passes through various filters to remove solid contaminants, such as dirt, dust, and other particulates. This helps to ensure the oil remains clean and doesn’t cause wear or damage to the transformer’s internal components.

 3. Degasification

   - The vacuum also facilitates the removal of dissolved gases in the oil. These gases can be harmful to transformer performance and insulation. The degasification process ensures the oil returns to a high-quality, gas-free state.

 4. Oil Regeneration

   - In some advanced systems, oil regeneration is part of the process, where chemical filters or adsorbent materials (such as activated clay or silica gel) are used to remove acidity, oxidation products, and other harmful substances from the oil. This can help extend the oil’s useful life.

 Key Benefits:

- Improved Insulating Properties: Removes moisture and gases that compromise the oil's insulating ability.

- Enhanced Transformer Performance: Restores the operational condition of the transformer by maintaining oil quality.

- Cost-Effective: Allows the oil to be reused instead of replacing it, leading to cost savings.

- Environmentally Friendly: Reduces the need for disposing of contaminated oil, which can be hazardous.

These purifiers are typically used in the maintenance of large power transformers, where the quality of the transformer oil is critical to efficient operation and longevity.