A Textbook of Electrical Technology (Volume-2) is an updated and multicolored version of the first volume by authors B. L. Theraja and A. K. Theraja. Titled AC and DC Machines, this book is a detailed study on the core concepts of Electrical Technology. The book is ideal as reference or examination study material for engineering, diploma or polytechnic students in India. The course covered within the book is also beneficial for international examinations such as City & Guilds, I.E.E., and I.E.R.E. The book has detailed diagrams, solved numerical problems, and answers to questions asked in University examination papers. This volume has been made especially for students and has been written with a view to simplify the subject matter and visually appeal to its young readers. The book has additional chapters on Elements Of Electro-Mechanical Energy Conversion and Special Machines, which are included, keeping in mind the latest developments in the field.