General ObjectivesAfter completion of this book, the Student would be able of recognize:1- Understanding the concept of Energy Transmission and the importance that in many applications2- Knowing how to classify Transformers and knowing types of each kind or class3- Knowing the variety types of Transformers used in the industry and applications and know the main differences between them4- Knowing Transformer action, Principle of operation, Transformer Construction, Cooling systems, Insulating, Efficiencies, Losses, Tabs, Connection, Protection…etc. for Transformers5- Knowing the problems and how to perform inspection, measuring, repairing and maintenance for transformers6- Knowing Gaskets in sealing systems and its importance7- Knowing Transformer Oil Functions and how to analyze it8- Knowing test methods related to Transformer Oil