 # Basic Electrical Engineering Teacher

##### Surya Narayan Sahu Category

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# Code(Credit) :CUTM1057 (1-1-0) 2 Credits

## Course Objectives

• In this course, student will come to know about the Basics of Electrical Engineering, Currents and Voltages across various Electrical elements.
• Their behavior in both Alternating Current and Direct Current circuits.
• Analysis of 1-phase and 3-phase AC wave forms.

## Learning Outcomes

• Student will be exposed to the breadth of electrical engineering, able to gain knowledge in Electrical Circuits (AC and DC).
• Acquire knowledge on various parameters of electrical engineering and their properties with hands-on-practice of basic electrical experiments.
• Acquire basic knowledge on electromagnetism.
• Application of electromagnetism in generating electricity.
• Knowledge gain on AC 1-ϕ and 3-ϕ circuits.

## Course Syllabus

Module I: Basic Concepts and Basic Laws (4hrs)

Theory

Essence of Electricity, Electric Field; Electric Current, Potential and Potential Difference, E.M.F., Electric Power, Ohm’s Law, Basic Circuit Components, Ideal and Practical Sources, Source Conversion.

Practice:

1. Design and Analysis of Basic electrical circuits using Dymola. Plotting the V-I Characteristics of Incandescent lamp using Dymola.

Module II:  Methods of Analysis (4hrs)

Theory

Network Analysis using Series and Parallel Equivalents, Voltage and Current Divider Circuits, Nodal Analysis, Mesh Analysis, Delta-Star & Star-Delta conversion.

Practice :

2. Verification of KCL and KVL in series and parallel circuits using Dymola.

Module III: DC Network Theorems (3hrs)

Theory

Analysis of Superposition, Thevenin's and Norton's theorem.

Practice:

3. Verification of Superposition, Thevenin's and Norton's  theorem using Dymola.

Module IV: Introduction to Electromagnetism (4hrs)

Theory

Magnetic Circuits, B-H curve, Permeability, Reluctance, Solution of simple magnetic circuits, Hysteresis and Eddy current loss. Methods of preventing such losses. Solenoids and field coils. Application of solenoids in different circuits in Automobiles and in electrical circuit.

Practice (Hardware):

4. Observation of generation of magnetic flux for different input current in a coil and plotting B-H Curve.

Module V: Single-Phase Transformer (2hrs)

Practice (Hardware):

5. Study of Transformers, Linear Transformer Model, Ideal Transformer Model, No-load Loss and Load-loss Calculation.

Module VI:  AC Circuit Analysis (3hrs)

Theory

Single-phase EMF Generation, Waveform and Phasor Representation, Average and Effective value of sinusoids, Peak factor & Form factor, Complex Impedance and Power using j-operator, Power factor.

Practice:

6. Calculation of current, voltage, power & power factor of series RLC circuit excited by 1-Ø A.C Supply using Dymola.

Module VII: Phasor Analysis (3hrs)

Theory

Three-Phase AC Circuits: Comparison between single-phase and three-phase systems, Three-phase EMF Generation, Line and Phase quantities in star and delta networks, Power and its measurement in three-phase balanced circuits.

Practice

7. Measurement of power and power factor in a 3-Ø AC circuit by (one, two and three) wattmeter using Dymola.

Recommended Books:

1. P. K. Sathpathy, “Basic Electrical Engineering,” 3rd Edition, Oxford.

2. B. L. Thereja, “Electrical Technology”, Volume-I,2005 Edition(24th Revised Edition)

3. Hughes, “Electrical & Electronic Technology”, Ninth Edition (Revised by J Hiley, K Brown, and I Smith), Pearson Education

## Session 1

Essence of Electricity, Electric Field; Electric Current, Potential and Potential Difference, E.M.F., Electric Power

Video: Electric Fields and Electric Potential

## Session 2

Ohm’s Law, Basic Circuit Components, Ideal and Practical Sources, Source Conversion.

Video: Electrical Charge and Current

Video: Real Voltage and Current Sources

## Session 3,4

Design and Analysis of Basic electrical circuits using Dymola.Plotting the V-I Characteristics of Incandescent lamp using Dymola.

## Session 5

Network Analysis using Series and Parallel Equivalents, Voltage and Current Divider Circuits

Video: Voltage Divider Law

## Session 6

Nodal Analysis, Mesh Analysis, Delta-Star & Star-Delta conversion

## Session 7,8

Verification of KCL and KVL in series and parallel circuits using Dymola.

## Session 9

Analysis of Superposition, Thevenin's and Norton's theorem.

## Session 10 & 11

Verification of Superposition, Thevenin's and Norton's  theorem using Dymola.

## Session 12

Magnetic Circuits, B-H curve, Permeability, Reluctance, Solution of simple magnetic circuits

## Session 13

Hysteresis and Eddy current loss, Methods of preventing such losses, Solenoids and field coils. Application of solenoids in different circuits in Automobiles in electrical protection.

## Session 14,15

Observation of generation of magnetic flux for different input current in a coil and plotting B-H Curve.

## Session 16,17

Single-Phase Transformer: Study Of Transformers, Linear Transformer Model, Ideal Transformer Model, No-load Loss and Load-loss Calculation.

## Session 18

Single-phase EMF Generation, Waveform and Phasor Representation, Average and Effective value of sinusoids, Peak factor & Form factor.

Complex Impedance and Power using j-operator, Power factor.

## Session 19,20

Calculation of current, voltage, power & power factor of series RLC circuit excited by 1-Ø A.C Supply using Dymola software.

## Session 21

Three-Phase AC Circuits: Comparison between single-phase and three-phase systems, Three-phase EMF Generation.

Line and Phase quantities in star and delta networks, Power and its measurement in three-phase balanced circuits.

## Session 22,23

Measurement of power and power factor in a 3-Ø AC circuit by wattmeter.

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