Ravindran Nagaratnam1; Kokulavasan Thiriambahasharma2; Rajan Ratnakumar3; Yuvaraj Manchukan4; Ahilan Kanagasundram5; Atputharajah Arulampalam6
1Dept of Building Services Technology, University College of Jaffna, Jaffna, Sri Lanka
2, 3, 4, 5, 6Department of Electrical and Electronic Engineering, University of Jaffna, Jaffna, Sri Lanka
