2.1 EFFECTS OF ADDITIVE TYPE
2.1.1 TYPE OF ADDITIVES
BTA and DBPC are used as additives. BTA is commonly
used in Japan to prevent the flow electrification in oilimmersed
power transformers while DBPC is used worldwide
to prevent the deterioration of oil due to oxidation [9, 10].
Figure 1 shows the structural diagrams of these additives