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SYLLABUS

Unit-1

Introduction to Electrical and Magnetic Circuits Electrical Circuits: Circuit Concept – Types of Elements – Source Transformation – Voltage – Current Relationship for Passive Elements. Kirchhoff’s Laws – Network Reduction Techniques-Series, Parallel, Series Parallel, Star-to-Delta or Delta-to-Star Transformation. Examples. Magnetic Circuits: Faraday’s Laws of Electromagnetic Induction – Concept of Self and Mutual Inductance – Dot Convention – Coefficient of Coupling – Composite Magnetic Circuit – Analysis of Series and Parallel Magnetic Circuits, MMF Calculations.

Unit-2

Single Phase A.C Circuits: R.M.S, Average Values and Form Factor for Different Periodic Wave Forms – Sinusoidal Alternating Quantities – Phase and Phase Difference – Complex and Polar Forms of Representations, J-Notation, Steady State Analysis of R, L and C (In Series, Parallel and Series Parallel Combinations) with Sinusoidal Excitation – Phasor Diagrams – Concept of Power Factor-Concept of Reactance, Impedance, Susceptance and Admittance – Apparent Power, Active and Reactive Power, Examples.

Unit-3

Three Phase A.C Circuits: Introduction – Analysis of Balanced Three Phase Circuits – Phase Sequence – Star and Delta Connection – Relation between Line and Phase Voltages and Currents in Balanced Systems – Measurement of Active and Reactive Power in Balanced and Unbalanced Three Phase Systems. Analysis of Three Phase Unbalanced Circuits – Loop Method – Star Delta Transformation Technique – For Balanced and Unbalanced Circuits – Measurement of Active and Reactive Power – Advantages of Three Phase System.

Unit-4

Network Theorems: Superposition, Reciprocity, Thevenin’s, Norton’s, Maximum Power Transfer, Millmann’s, Tellegen’s, and Compensation Theorems for D.C and Sinusoidal Excitations.

Unit-5

Network Topology: Definitions – Graph – Tree, Basic Cutset and Basic Tieset Matrices for Planar Networks – Loop and Nodal Methods of Analysis of Networks & Independent Voltage and Current Sources – Duality & Dual Networks. Nodal Analysis, Mesh Analysis