Andi Pawawoi, was born in Toamantang, Sinjai, Indonesia, in 17/10/1970. In 1998 is accepted as a Lecturer in the Department of Electrical Engineering Unand, he got the Master thesis Electrical Energy Convertion in 2002 from the Bandung Institute of Technology, Indonesia. His main scientific interests are Electrical Machines, Power Electronic Converter, LED Driver Optimization, and Free Energy Convertion.