Oil Palm Empty Fruit Bunch as a New Organic Filler for Electrical Tree Inhibition

The use of synthetic retardants in polymeric insula ted cables is not uncommon in the high voltage engineer ing to study electrical treeing phenomenon. However few studies on organic materials for the same investigation have been carr ied. .This paper describes the study on the effects of Oil Palm Empt y Fruit Bunch (OPEFB) microfiller on the tree initiation and prop agation in silicone rubber with different weight percentages (wt %) of filler to insulation bulk material. The weight percentages used were 0 wt % and 1 wt % respectively. It was found that the OPEFB retards t he propagation of the electrical treeing development. For tree incept ion study, the addition of 1(wt %) OPEFB has increase the tree inc eption voltage of silicone rubber. So, OPEFB is a potential retardant to the initiation and growth of electrical treeing occurring in polym eric materials for high voltage application. However more studies on t he effects of physical and electrical properties of OPEFB as a tr ee retardant material are required. Keywords—Oil palm empty fruit bunch, electrical tree, silico ne rubber, fillers.

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