Introduction To Electrical Machines Pdf For Free

The Basis of Operation of Electromagnetic Machines – Basic elements – Production of a rotating mmf – The general machine – Particular cases of the general machine – Circuit conventions – Normalization and perunit values – Armature Winding Arrangements – Polyphase winding arrangements – DC machine armature windings – Tutorial problems – Process of Energy Conversion – Electromechanical energy conversion – Generation of emf – Winding factors for ac machine windings – Production of torque – Tutorial problems – The Transformer – The ideal singlephase transformer – The practical singlephase transformer – Derivation of equivalent circuits – Determination of transformer parameters – Performance calculations – Voltage regulation – Efficiency – Parallel operation – The waveform of noload current – Phase transformer connections – Parallel operation of phase transformers – The autotransformer – Tutorial problems – Polyphase Induction Motors – Derivation of equivalent circuits – Power balance equations – Torque calculations – Output power calculations – Determination of circuit parameters – Starting methods for induction motors – Speed control of induction motors – Dynamic operation of induction motors .