BE104-Electrical and Electronics Engineering

Unit I

Electrical circuit analysis- Voltage and current sources, dependent and

independent sources, source conversion, DC circuits analysis using mesh & nodal

method, Thevenin’s & superposition theorem, star-delta transformation.

1-phase AC circuits under sinusoidal steady state, active, reactive and apparent

power, physical meaning of reactive power, power factor, 3-phase balanced and

unbalanced supply, star and delta connections.

Unit II

Transformers-Review of laws of electromagnetism, mmf, flux, and their

relation, analysis of magnetic circuits. Single-phase transformer, basic concepts and

construction features, voltage, current and impedance transformation, equivalent

circuits, phasor diagram, voltage regulation, losses and efficiency, OC and SC test.

Unit III

Rotating Electric machines- Constructional details of DC machine,

induction machine and synchronous machine, Working principle of 3-Phase

induction motor, Emf equation of 3-Phase induction motor, Concept of slip in 3-

Phase induction motor, Explanation of Torque-slip characteristics of 3-Phase

induction motor, Classification of self excited DC motor and generator.

Unit IV

Digital Electronics-Number systems used in digital electronics, decimal,

binary, octal, hexadecimal, their complements, operation and conversion, floating

point and signed numbers, Demorgan’s theorem, AND, OR, NOT, NOR, NAND,

EX-NOR, EX-OR gates and their representation, truth table, half and full adder

circuits, R-S flip flop, J-K flip flop.

Unit V

ELECTRONIC COMPONENTS AND CIRCUITS- Introduction to

Semiconductors, Diodes, V-I characteristics, Bipolar junction transistors (BJT) and

their working, introduction to CC, CB & CE transistor configurations, different

configurations and modes of operation of BJT, DC biasing of BJT.

References:

1. Vincent Del Toro, Electrical Engineering Fundamentals, PHI Learning, II Edition

2. S.Ghosh, Fundamentals of Electrical and Electronics Engineering, PHI, II Edition.

3. Millman, Halkias & Parikh, Integrated Electronics, Mc Graw Hill, II Edition

4. Nagrath & Kothari, Basic Electrical Engineering, III Edition TMH.

5. J.S. Katre, Basic Electronics Engg, Max Pub. Pune.

6. Hughes, Electrical and Electronic Technology, Pearson Education IX Edition

PROGRAMME : BE Electrical and Electronics Engineering

Course: BE104 Electrical and Electronics Engineering

List Of Experiments

1. Verificatiions of Thevenin’s Superposition theorem.

2. Study of Transformer, name plate rating, determination of rayio and polarity.

3. Determination of equivalent circuit parameters of a single phase transformer by O.C.

and S.C. tests and estimation of voltage regulation and efficiency at various loading

conditions and verification by load test.

4. Seperation of resistance and inductance of choke coil.

5. Measurement of various line & phase quantities for a 3-phase circuit.

6. Identification of different Electronics components.

7. Observing input and output waveforms of rectifiers.

8. Transistor application as amplifier and switch.

9. Verification of truth table for various gates.