Transformer oil has long served two purposes, cooling and insulating ... The same test with distilled water reached 35.3°C. Water’s heat capacity is 4187 J/kg∙K, not surprisingly much ...

In a conventional transformer, the winding is immersed in oil while the dry transformer is air-cooled. In the case of water seepage, there is a mechanism for dewatering it. The chamber is also ...

has detected slow oil leaks from two transformers ... in the lining of cooling unit tubing, Henrickson said. The PCB levels in the spilled oil appear to be below federal water quality standards ...

The electrical, mechanical, and physical requirements of oil-immersed single-phase and three-phase converter transformers are specified in the standard. IEEE is offering its Standard for General ...