A new model for distribution system planning Improvement of digital differential relay sensitivity for internal ground faults in power transformers Energy Stress of Metal Oxide Surge Arrester in GIS Substation Due to Shielding Failure Electric Field Distribution within Underground Power Cables in Presence of Micro Cracks Long Term Analysis of Cables Problems in Egyptian Distribution Network Utilization of Artificial Neural Network for Electrical Transmission systems planning Overvoltage Transient Analysis of Vacuum Circuit Breaker Switched Arc Furnace Installation Modified social spider algorithm for solving the economic dispatch problem A review on accuracy issues related to solving the non-convex economic dispatch problem Social spider algorithm for solving the transmission expansionplanning problem Improved Random Drift Particle Swarm Optimization With Self-Adaptive Mechanism for Solving the Power Economic Dispatch Problem Static transmission expansion planning for realistic networks in Egypt Long Term Analysis of Cables Problems in Egyptian Distribution Network