Electrical Circuit Theory

Course Title: Electrical Circuit Theory

Course No: EE 234

Nature of the Course: Theory + Lab

Semester: 3

Full Marks: 100

Pass Marks: 45

Credit Hours: 3

Course Description

The Electrical Circuit Theory provides the basis for formulation and solution of equations from the given circuit. It helps to understand the behavior of the circuit and develop relation between input and output of one-port and two port networks.

Course Objectives

After successfully completing the course activities, the student will be able to: Formulate differential equation from various R, L & C network. Solve the given differential equations using direct and indirect methods. Formulate transfer function from given network. Analyze the frequency response of system from given transfer function. Design or synthesize the network from transfer function.

Course Contents

1. Circuit Differential Equations

12 hrs

1.1. Review of voltage divider, current divider, Mesh and Nodal Analysis

1.2. Relation between voltage and current of different circuit elements

1.3. The differential operator & Operational impedance

1.4. Formulation of circuit differential equations

1.5. Forced response due to constant, sinusoidal, exponential and polynomial functions

1.6. Initial conditions in circuit elements, Initial value of derivatives

1.7. Procedure for evaluating initial conditions

1.8. Transient response of first order differential equation of relaxed system

2. Circuit Dynamics

7 hrs

2.1. First order RL and RC circuits

2.2. Time constant in RL and RC circuits

2.3. Second order RLC circuit

2.4. Damping factors and damping coefficients

2.5. Complete response of RL, RC and RLC circuits to sinusoidal input

3. Laplace Transformation and its application in circuit

6 hrs

3.1. Definition and properties

3.2. Laplace transform of common forcing functions

3.3. Initial and final value theorem

3.4. Inverse Laplace transform

3.5. Partial fraction expansion

3.6. Solutions of first order and second order system, RL, RC & RLC circuits

4. Transfer Functions

8 hrs

4.1. Transfer functions of Network system

4.2. Poles and Zeros

4.3. Time-domain behavior from pole-zero locations

4.4. Stability and Routh's Criteria, Network stability

4.5. Network function in two-port network

4.6. Z and Y parameters of two-port network

4.7. Conversion from Z and Y parameter to ABCD and hybrid parameters

5. One-port passive network

7 hrs

5.1. Properties of one-port passive network

5.2. Positive Real Function

5.3. Properties of RL and RC network

5.4. Synthesis of RL, RC and LC network using Foster's and Cauer's method

6. Frequency Response of Network

5 hrs

6.1. Magnitude and phase responses

6.2. Bode plots and its applications

6.3. Concept of different types of filters

Laboratory Works

Laboratory experiments covering simulation and measurement of RC, RL, and frequency responses of first and second order circuits using MATLAB and oscilloscope.

1.Simulation of RC circuit for different types of sources using MATLAB
2.Measurement of step, impulse and ramp response of RC circuit using oscilloscope
3.Simulation of RL circuit for different types of sources using MATLAB
4.Measurement of sinusoidal response of RL circuit using oscilloscope
5.Simulation of Frequency responses of first order and second order circuits using MATLAB
6.Measurement of Frequency responses of first order and second order circuits using oscilloscope

Text Books

1."Network and systems" : D.Roy - Choudhary
2."Engineering Circuit Analysis" : W H Hayt, J E Kemmerly, S M Durbin, TMH Publication

Reference Books

1."Network Analysis" : M.E.Van Valkenburg, Third edition Prentice Hall of India, 1995.
2."Course in Electrical Circuit Analysis" : M.L. Soni, and J.C. Gupta, Dhanapat Rai & Sons, India.
3."Electrical Network Theory" : KC Nag, A.H. Wheeler and Company (P) Limited, India.

Notes:

This syllabus follows the official BE Comp curriculum of Far Western University. In case of any doubt or revision, the university's published syllabus shall be considered authorative.

Electrical Circuits and Machines