Electrical Machines is his magnum opus in the subject, now in its multiple editions (often the 15th or 16th edition is the latest, depending on the publisher, S.K. Kataria & Sons).
It details everything from basic magnetic circuits to advanced special machines. electrical machines by jb gupta
Gupta avoids unnecessary jargon. Complex topics like armature reaction, rotating magnetic fields, and synchronizing power are broken down into logical steps. Each chapter begins with fundamental principles and slowly builds up. Electrical Machines is his magnum opus in the