1. Department of Mechanical Engineering, COE, Universiti Tenaga Nasional, Kajang, Malaysia
2. Institute of Power Engineering, Universiti Tenaga Nasional, Kajang, Malaysia
3. Department of Electrical Engineering, Fahad Bin Sultan University, Tabuk, Saudi Arabia
4. School of Electrical, Computer and Telecommunications Engineering, University of Wollongong, Wollongong, NSW, Australia
5. Department of Electrical and Electronic Engineering, Universiti Tenaga Nasional, Kajang, Malaysia