1. UniversitiTenaga Nasional, Kajang, Malaysia
2. Department of Electrical Power Engineering, Universiti Tenaga Nasional, Kajang, Malaysia
3. Department of Electrical, Electronic and Systems Engineering, Universiti Kebangsaan Malaysia, Bangi, Malaysia
4. Universiti Tenaga Nasional, Kajang, Malaysia
5. Institute of Sustainable Energy, College of Engineering, Universiti Tenaga Nasional, Kajang, Malaysia
6. Department of Electrical, Computer and Telecommunications Engineering, University of Wollongong, Wollongong, NSW, Australia