Palm oil insulation could transform transformers

Transformers use petroleum-derived oil as insulation between electrical components but this makes them reliant on fossil fuels and also causes environmental problems if there is a leak.

Abdelghaffar, who is studying for a PhD in the University's Department of Engineering, is exploring the possibility of using a derivative of palm kernel oil which is environmentally friendly, non-toxic and has suitable properties such as low viscosity and low conductivity. This would extend the life of electrical transformers and greatly reduce the effects of leakage.

Abdelghaffar's research has already been acknowledged as significant by the Dielectrics and Electrical Insulation Society, part of the Institute of Electrical and Electronics Engineers, which last year awarded him a $5,000 research grant to support his innovative work.

"The results of the work done so far are encouraging," said Abdelghaffar. "There are indications that this research may produce a sustainable and all-purpose electrical insulating fluid that would serve as an effective alternative to mineral-based insulating oil."

Professor John Fothergill, Head of the Department of Engineering, added:

"The currently used silicone oils are recognised as having excellent characteristics but they are environmentally unfriendly. The new oil that has been synthesised from Palm Kernel Oil is surprisingly good and in many respects appears to be better that the silicone oil. It is also environmentally friendly."

This research is being presented at the Festival of Postgraduate Research on 16 June.