Alternating current machines construction, generation of three-phase voltages in AC machine windings, revolving magnetic field in current carrying three-phase windings, steady state performance and analysis of synchronous machines,starting methods of synchronous motors, synchronization of a synchronous machine to an AC supply, synchronous machine control, steady state performance and analysis of poly-phase induction machines,starting methods of poly-phase induction motors, single-phase and three-phase induction motors, protection of electrical machines