Mitigation of Electric Fields Underneath EHV Transmission Lines Using Active and Passive Shield Wires Research Authors R. Radwan, M. Abdel-Salam, A. Mahdy and M. Samy Research Department Electrical Engineering Department Research Journal Proc. 8th Regional CIGRE Conf. Doha, Qatar Research Member Mazen Mohammed Shafiq Abdel-Salam Research Rank 3 Research Year 2010