[1] Univ Kebangsaan Malaysia, Ctr Integrated Syst Engn & Adv Technol, FKAB, Bangi 43600, Malaysia
[2] Univ Tenaga Nas, Dept Elect Power Engn, Kajang 43000, Selangor, Malaysia
[3] Univ Wollongong, Sch Elect Comp & Telecommun Engn, Wollongong, NSW, Australia