1. High Voltage Laboratory, Electrical and Computer Engineering Department, University of Patras, 26 504 Rion–Patras, Greece
2. Institute of Analytical Sciences and Physico-Chemistry for Environment and Materials (IPREM), UPPA, CNRS UMR 5254, 2 Avenue Président Angot, 64 000 Pau, France
3. FOSS Research Centre for Sustainable Energy, Department of Electrical and Computer Engineering, University of Cyprus, Nicosia 1678, Cyprus
4. Electromagnetics and Novel Applications Laboratory (ENAL), Department of Electrical and Computer Engineering, University of Cyprus, Nicosia 1678, Cyprus
5. Department of Mechanical Engineering and Aeronautics, University of Patras, 26 504 Rion–Patras, Greece