Electrical Power System

What are the classifications and different types of distribution system? Ring, interconnected and radial distribution system.

What is the difference between transmission and distribution line? What is transmission and distribution networks? What are the types and functions of transmission and distribution networks?

Different components of overhead lines. List of different equipments and devices used in overhead lines of power transmission and distribution networks.

What is the difference between overhead lines and underground cables? advantages, disadvantages and comparisons between two systems.

What is the main difference between single phase and three phase power system? What are the advantages of three phase system over one phase system?