Angle Stability Artificial bees colony Artificial neural network (ANN) Available transfer capability Correlation coefficient (R) Critical system cascading collapse Damping torque coefficient Dijkstra's algorithm Evolutionary programming-ANN (EPANN) Indoor navigation system Minimum damping ratio PI Controller Particle Swarm Optimization Photovoltaic (PV) Shortest path Static Var Compensator Synchronizing torque coefficient System cascading collapse Transmission line outages Transmission reliability margin Whale Optimization Algorithm directional overcurrent relay coordination problem hidden failure logarithmic sigmoid and tangent sigmoid probability of cascading collapse relay settings sensitive transmission lines time multiplier setting