Before oil enters transformers, it is tested, filtered and - TopicsExpress



          

Before oil enters transformers, it is tested, filtered and purified. Appearance of solid particles, gases, including oxygen, and moisture in the oil accelerates aging of oil under the stress of transformer operation. To maintain quality, purity and reliability of transformer oil, the oil is regularly tested according to local and international standards. The sample is taken from the lower part of the transformer or storage tank. In any case, the drain opening must first be rinsed with clean oil. The vessel where the sample is placed must be dry, clean and air-tight.
Posted on: Mon, 12 May 2014 18:10:21 +0000

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