Electromechanics

Review: AC Circuits, Complex representation and Power Measurement.|Magnetic Circuits: Simple magnetic circuit, analogy between magnetic circuits and electrical circuits, linear and nonlinear magnetic circuits, hysteresis and eddy current losses, permanent magnet materials.|Transformers: Single-phase and three-phase, analysis, equivalent circuit, Tests on transformers, phasor diagram regulation and efficiency, auto-transformer and instrument transformers (PT/CT).|Electro-mechanical energy conversion principles: Force and EMF production in a rotating machine.|DC machines: Types, construction, working principle, characteristics and applications.|3-phase induction machines: Types, construction, Introduction to windings and winding factor, production of revolving magnetic field, working principle on 3-phase induction machine, equivalent circuit, characteristics, phasor diagram and applications.|3-phase synchronous machines: Types, construction, working principle, equivalent circuit, characteristics, phasor diagram and applications.|Fractional-HP and Special Machines.