Electrical Engineering
EG 1207 EE
Total: 6 hour /week
Year: I Lecture: 3 hours/week
Semester: II Tutorial: hours/week
Practical: 3
hours/week
Course
Description:
This
course focuses on familiarization of fundamental concepts in DC and AC
electrical networks.
Course
Objectives:
After
completing this course the students will be able to:
1.
Identify the basics of circuit elements and their networks
2.
Familiarize with the fundamentals of electricity and
electromagnetism
3.
Apply the DC and AC supply.
4.
Describe the electric sources and loads.
Course
Contents:
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Unit 1.
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Electromagnetism
and Electromagnetic Induction: [6]
1.1. Definition
of magnetic field, magnetic flux, flux density, filed intensity and
permeability of magnetic material
1.2. Magnetic field due to current
carrying conductor, force on a current carrying
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|
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conductor
1.3. Faraday’s laws of electromagnetic
induction, induced EMF, lenz’s law
1.4. Magnetic circuit concept, analogy
to electric circuit
1.5. Hysteresis loop for magnetic
material, hard and soft magnetic material
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Unit 2.
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Electric Circuit Fundamentals:
2.1. Electric current and voltage
2.2. Circuit elements: Resistor,
Inductor, Capacitor
2.3. Voltage and current sources
2.4. Independent and dependent sources
2.5. Series and parallel circuits
2.6. Electric power and energy
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[6]
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Unit 3.
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DC
Circuit Analysis: [7]
3.1. Ohm’s law
3.2. Kirchhoff’s current and voltage
laws
3.3. Thevenin’s theorem
3.4. Nortorn’s theorem
3.5. Superposition theorem
3.6. Maximum power transfer theorem
3.7. Loop and nodal equations for
electric networks
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Unit 4.
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Single
Phase AC Circuit Analysis: [8]
4.1. Generation of sinusoidal EMF
4.2. Instantaneous, peak, average and
RMS values
4.3. Application
of complex number, review of complex number calculation and use of j operator
4.4. Phasor representation of AC
quantities
4.5. AC excitation for RL, RC and RLC
circuits
4.6. Resonance in RLC series circuit
4.7. Power in AC circuits: active power, reactive power,
apparent power, power triangle and power factor
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Unit 5.
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3-Phase
AC Circuits: [6]
5.1. Generation of 3-phase sinusoidal
voltage
5.2. Advantage of 3-phase system
5.3. Line and phase quantities
(current, voltage)
5.4. Star and delta connection of
3-phase source and load.
5.5. Power in 3-phase circuits
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Unit 6.
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Electric
Machines: [8]
6.1. Transformers: Construction and
working principle of single phase transformer
6.2. DC
motor and generator: Construction, generation of voltage and torque
production
6.3. Single phase AC motor
6.4. 3-phase induction motor:
Construction and working principle
6.5. 3-phase synchronous generator:
Construction and working principle
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Unit
7. Cells and Batteries: [4]
7.1.
Primary and secondary cells: definitions and examples,
internal resistance of cell
7.2.
Lead acid cell: construction, chemical reaction during
charging and discharging, methods of charging (constant voltage and constant
current charging)
7.3.
Dry cell, Mercury cell, Ni-Cd cell, Li-ion cell
7.4.
Series and parallel connection of cells
Practical: [45]
1.
Verification of Ohm’s law
2.
Verification of Kirchhoff’s current and voltage laws
3.
Verification of maximum power transfer theorem
4.
Measurement of active, reactive and apparent power in single
phase ac circuit
5.
Measurement of active, reactive and apparent power in three
phase ac circuit
6.
Measurement of internal resistance of batteries
7.
Performance of DC motors
Reference
books:
1. Theraja, B. L., Theraja, B. L., & Theraja, A. K. (2010).
A textbook of electrical technology. Ram Nagar, New Delhi, India: S. Chand
& Co.
2. Gupta, J. B. (1999). Fundamentals of electrical engineering
and electronics. New Delhi: S.K. Kataria & Sons Publishers.
3.
Del, T. V.
(1984). Principles of electrical engineering. New Delhi: Prentice-Hall of
India.
4.
Cogdell, J.
R. (1999). Foundations of electrical engineering. Upper Saddle River, N.J:
Prentice Hall.
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