1. Department of Electronic and Power Engineering (PNEC - Karachi Campus), National University of Sciences and Technology (NUST), H-12, Islamabad 74000, Pakistan (Corresponding author), e-mail: humair.ali@pnec.nust.edu.pk, http://orcid.org/0000-0003-4405-8303
2. Department of Electronic and Power Engineering (PNEC - Karachi Campus), National University of Sciences and Technology (NUST), H-12, Islamabad 74000, Pakistan, http://orcid.org/0000-0001-6888-5747 (M.A.S.), http://orcid.org/0000-0002-8444-5941 (W.B.Y.)