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Vol.105 (4) December 2014 SOUTH AFRICAN INSTITUTE OF ELECTRICAL ENGINEERS 135 VOL 105 No 4 December 2014 SAIEE Africa Research Journal Vol.105 (4) December 2014 SOUTH AFRICAN INSTITUTE OF ELECTRICAL ENGINEERS 1 December 2014 Volume 105 No. 4 www.saiee.org.za Africa Research Journal ISSN 1991-1696 Research Journal of the South African Institute of Electrical Engineers Incorporating the SAIEE Transactions H. van Jaarsveldt and R. Gouws ................................................. 136 A Survey A. Marnewick, J-H. C. Pretorius and L. Pretorius...................... 147 M.B. Balogun, O.O. Oyerinde and S.H. Mneney ........................ 156 T. Quazi, H. Xu and A. Saeed....................................................... 166 P.A. van Vuuren ........................................................................... 175 SAIEE AFRICA RESEARCH JOURNAL EDITORIAL STAFF ...................... IFC
