“Non-Linear HIEF Central Relay for Transmission Networks", Electric power components and systems, Volume 39, Issue 14, pp. 1469-1492, Oct 7, 2011.

“Unsynchronized Fault Location Scheme for Non-Linear HIF in Transmission lines", IEEE Trans. Power Delivery, Vol. 25, No. 2, pp.631 – 637, April. 2010.

“Real Time Evaluation of DWT-Based High Impedance Fault Detection in EHV Transmission", Electric power system research, Elsevier, Volume 80, Issue 8, pp 907-914, August 2010.

“Non-Linear HIF Detection and Classification for Egyptian 500 kV Transmission Line ", Proceedings of the 14th International Middle East Power Systems Conference (MEPCON’10), Cairo University, Egypt, December 19-21, 2010, Paper ID 147, pp175-180.

“Neural Network-based Technique used for Recovery the CCVT Primary Signal ", IEEE Power Engineering Society, General Meeting, Calgary, Alberta, Canada, July 26-30, 2009.

“High Impedance Fault Detection in EHV Series Compensated Lines Using the Wavelet Transform", accepted for publishing in the IEEE Power Engineering Society, Power Systems Conference & Exposition, Seattle, Washington, USA, March 15-18, 2009.

“High Impedance Fault Detection in Mutually Coupled Double-Ended Transmission Lines Using High Frequency Disturbances ", the 12th international Middle-East Power System Conference (MEPCON‘2008),Faculty of Engineering,Aswan, Egypt,March12-15, 2008.

“High Impedance Faults Detection in EHV Transmission Lines ", the 12th international Middle-East Power System Conference (MEPCON‘2008), Faculty of Engineering, Aswan, Egypt, March 12-15, 2008.

“High Impedance Faults Detection in EHV Transmission Lines Using the Wavelet Transforms ",IEEE Power Engineering Society, General Meeting, Tampa, FL, USA, June 24-28, 2007.

“Neural network-based technique for reducing CCVT errors under fault conditions", the 10th international Middle-East Power System Conference (MEPCON‘2005), Suez Canal University, Egypt, Dec. 13-15, 2005.

Many under reviewing papers.