How Vacuum Pumping for Transformers Works

The process of vacuum pumping for transformer maintenance is relatively straightforward but vital for optimal transformer health. Here’s how the system works:
1.Preparation: The transformer oil is extracted from the transformer and heated to the required temperature.
2.Vacuum Creation: The vacuum pump is activated to create a low-pressure environment. This lowers the boiling point of moisture and gases, allowing them to be extracted.
3.Filtration and Purification: The oil undergoes filtration to remove particles, while the vacuum process pulls out moisture and gases that are dissolved in the oil.
4.Return to Transformer: The purified oil is then returned to the transformer, ensuring that it is free from impurities and can perform its insulating and cooling functions optimally.
The vacuum pumping system is often used in combination with other oil filtration machines to ensure that transformer oil is thoroughly cleaned and restored.
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