1. Department of Electrical and Electronic Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Darul Ehsan, Malaysia
2. Advanced Lightning, Power and Energy Research (ALPER) Centre, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Darul Ehsan, Malaysia
3. Electrical and Electronics Department, German Malaysian Institute, Jalan Ilmiah, Taman Universiti, 43000 Kajang, Selangor Darul Ehsan, Malaysia