This book Outlines the basic procedures and will serve as a useful reference book for Substation Designers, Project Managers and Operation and Maintenance Staff. It covers every practical topic from conceptual design, installation, commissioning, to operation and maintenance. Every major substation equipment including Power Transformers, SF6 Breakers, Electrical Auxiliaries and subsystems etc., have been covered.* Electrical Substation * Substation Equipment * Types of Substations and Transformer Substations * Busbar Systems and Layouts * Principle of Substation Design * Substation Structures * Busbars, Connections and Clamps * Design of Busbars * Insulators * Insulation Co-ordination and Surge Arresters * Substation Earthing Systems * Fire Fighting Systems in Substations * Power Cables and Control Cables * Auxiliary Supplies and Battery Systems * Protection, Control and Automation in Substations * Power Line Carrier Communication and Telecontrol of Substations * SF6 Gas Insulated Substations (GIS) And Gas Insulated Cables (GIC) * HVDC Substations * Engineering Aspects of EHV-AC Substation * Project Planing Installation, Commissioning and safety procedures * Single Pressure Puffer Type SF6 Circuit Breakers * Maintenance of EHV-AC and HVDC Substations and Electrical Equipments.