transformer oil purification Articles
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How to operate the hot oil circulation for the transformer?
How to operate the hot oil circulation for the transformer?Transformers with voltage levels of 220kV and above need to be hot oil circulation after vacuum injecting. The cycle time of 220~330kV transformers shall not be less than 24 hours; 500kV transformer shall not be less than 48 hours. The method of the hot oil circulation are as follows:1.Connect the oil storage tank to vacuum oil purifier ...
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