Unit -1: DC Circuits
Electrical circuit elements (R, L and C), Concept of active and passive elements, voltage and current sources, concept of linearity, unilateral and bilateral elements. Kirchhoff‟s laws, Mesh and nodal methods of analysis.
Unit-2: : Steady State Analysis of Single Phase AC Circuits
Representation of Sinusoidal waveforms – Average and effective values, Form and peak factors. Analysis of single phase AC Circuits consisting R-L-C combination (Series and Parallel) Apparent, active & reactive power, Power factor. Concept of Resonance in series & parallel circuits, bandwidth and quality factor. Three phase balanced circuits, voltage and current relations in star and delta connections.
Unit-3: Transformers
Magnetic circuits, ideal and practical transformer, equivalent circuit, losses in transformers, regulation and efficiency.
Unit-4: Electrical machines
DC machines: Principle & Construction, Types, EMF equation of generator and torque equation of motor, applications of DC motors (simple numerical problems) Three Phase Induction Motor: Principle & Construction, Types, Slip-torque characteristics, Applications (Numerical problems related to slip only) Single Phase Induction motor: Principle of operation and introduction to methods of starting, applications. Three Phase Synchronous Machines: Principle of operation of alternator and synchronous motor and their applications.
Unit-5: Electrical Installations
Introduction of Switch Fuse Unit (SFU), MCB, ELCB, MCCB, ACB. Types of Wires, Cables and Bus-bars. Fundamentals of earthing and lightning protection. Types of Batteries
For Notes PDF - https://drive.google.com/file/d/1-6FV4IOXG2GJzrA5w26UKbkJZGNuHVyg/view
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