7Th International Conference on Power Electronics and Drive Systems (Peds 2007), Date: NOV 27-30, 2007, Location: Bangkok, THAILAND, Sponsors: Chulalongkorn Univ, Ctr Excellence Elect Power Tech, King Mongkuts Univ Technol, King Mongkuts Inst Technol Ladkrabang, King Mongkuts Inst Technol N Bangkok, IEEE Thailand Sect, IEEE IAS PELS Joint Chapter, Singapore Sect, IEEE Power Elect Soc, IEEE Ind Applicat Soc, IEEE Ind Elect Soc, IEEE IAS PELS IES Joint Chapter, Thailand Sect