If the transformer oil in the transformer contains supersaturated water, it will cause breakdown when the equipment works, affecting normal operation, severely generating a strong arc, causing the porcelain sleeve to explode, and there has been an accident of personal injury. Therefore, attention should be paid to avoiding the entry of water in the transportation, transportation, storage and storage of transformer oil.
If a large amount of water enters the oil drum, you should try to remove the water. You can use the sedimentation method to sink the water to the bottom of the bucket and then try to extract the upper oil. However, it is inevitable that the oil also contains some water. Filtration or desiccant adsorption until the water in the oil is below 20×10-6 to 50×10-6.
