[1] Missouri Univ Sci & Technol, Dept Elect & Comp Engn, Rolla, MO 65409 USA
[2] Univ Strathclyde, Inst Energy & Environm, Dept Elect & Elect Engn, Glasgow G1 1XW, Scotland
[3] Khalifa Univ Sci & Technol, Dept Elect Engn, Abu Dhabi, U Arab Emirates
[4] Int Islamic Univ Malaysia, Elect & Comp Engn Dept, Kuala Lumpur 53100, Malaysia