Corrosive sulphur can be there in the transformer oil. the presence of such sulphur compounds can cause your transformers to fail prematurely. Dibenzyl Disulfide (DBDS) is one of the major sulphur compounds that is known to create copper corrosion in the transformers in certain circumstances. Some remedial processes like absorbents, adsorbents and oil change-out are known to lessen the concentration of Dibenzyl Disulfide in oil. If they are not removed or destroyed below many mg/kg (ppm), then the breakdown of DBDS into benzyl mercaptan can also cause rust to copper. Passivators are also used to protect copper against rust sulphur attack but it doesn't destroy any sulphur compounds that can become corrosive.
There have been a boosting number of cases of transformer failures because of corrosive sulphur in the transformer oil. It is a serious issue because without any warning transformers were experiencing failures. The transformer DBDS removal is very essential to eliminate Dibenzyl Disulfide from the oil of your transformer.
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Transformer DBDS Removal System
