1. Associate Professor, Dept. of Electrical and Electronics Engineering, Shiraz Univ. of Technology, 71557-13957 Shiraz, Iran (corresponding author).
2. Ph.D. Student, Dept. of Electrical and Electronics Engineering, Shiraz Univ. of Technology, 71557-13957 Shiraz, Iran.
3. Associate Professor, Dept. of Electrical and Electronics Engineering, Shiraz Univ. of Technology, 71557-13957 Shiraz, Iran.
4. Ph.D. Student, Australian Energy Research Institute and School of Electrical Engineering and Telecommunications, Univ. of New South Wales, Sydney, NSW 2052, Australia.