[1] Institute of Sustainable Energy, Universiti Tenaga Nasional, Kajang,43000, Malaysia
[2] School of Engineering and Technology, Sunway University, Bandar Sunway, Petaling Jaya,47500, Malaysia
[3] School of Electrical Engineering, Korea University, Seongbuk-Gu, Seoul,136-701, Korea, Republic of
[4] Department of Mechanical Engineering, COE, Universiti Tenaga Nasional, Kajang,43000, Malaysia
[5] School of Civil and Environmental Engineering, University of Technology Sydney, Ultimo,NSW,2007, Australia