AC Network Theorems - 3 (9 August)

Objective

The learner will be able to understand the application of the following Theorems for AC Networks

1. Millmans Theorem
2. Reciprocity Theorem
3. Problems

AC Network Theorems - 2 (6 August)

Objective

The learner will be able to understand the application of the following Theorems for AC Networks

1. Nortons Theorem
2. Compensation Theorem
3. Problems

AC Network Theorems - 1 (5 August)

Objective

The learner will be able to understand the application of the following Theorems for AC Networks

1. Superposition Theorem
   
2. Thevenins Theorem
   
3. Problems
   

Mesh & Nodal Analysis revisited (4 August)

Objective

The learner will be able to understand the basics and application of Mesh and Nodal Analysis techniques for AC network analysis

AC Networks Basics (2nd August)

Objective

The learner will be able to understand the basics of

1. RLC series circuits
2. RLC parallel circuits
3. Problems
   

AC Networks Basics (2nd August)

Objective

The learner will be able to understand the basics of

1. RL series circuits
2. RC series circuits
3. Problems
   

Session 14 (23 July 2010)

Learner will be able to understand

• Tellegens Theorem
• Problem solving skills in Millmans and Tellegens theorem
  

Session 13 (22 July 2010)

Learner will be able to understand

• Reciprocity Theorem
• Millmans theorem
• Problems in Recioprocity and Millmans theorem
  

Session 12 (21 july 2010)

Learner will be able to understand

• To obtain Thevenins equivalent using Nortons equivalent and vice versa
• Maximum power transfer theorem ( condition for max power across load is LOAD RESISTANCE MUST BE EQUAL TO THEVENINS RESISTANCE)
• Reciprocity Theorem

References

http://www.allaboutcircuits.com/vol_1/chpt_10/10.html
http://mysite.du.edu/%7Ejcalvert/tech/reciproc.htm

Session 11

Learner will be able to understand

a. Solving circuits with Thevenins theorem
b. The importance of Nortons theorem
c. Solving circuits with Nortons theorem

Reference:

http://www.allaboutcircuits.com/vol_1/chpt_10/8.html
http://www.allaboutcircuits.com/vol_1/chpt_10/9.html

Brief history about Edward Lawry Norton

http://www-ece.rice.edu/~dhj/norton/

Session 10 (15 July 2010)

Leon Charles Thevenin (1857–1926)

Learner will be able to understand

a. Solving circuits with Thevenins theorem
b. The importance of Thevenins theorem


References:

http://www.electronics-tutorials.ws/dccircuits/dcp_7.html

Session 9 (14 July 2010)

Learner will be able to understand

a. Solving circuits with practical voltage sources
b. The importance of Thevenins theorem
c. How to apply Thevenins theorem for a circuit

Session 8 (12 July 2010)

Learner will be able to understand

a. The importance of superposition theorem
b. How to apply Superposition theorem for a circuit
c. Problems for verification

Important Points:

Removing a VOLTAGE SOURCE we have to SHORT CIRCUIT
Removing a CURRENT SOURCE we have to OPEN CIRCUIT

CO - VS

Session 7 (9th july 2010)

Review of Basic methods of circuit analysis

Ohms law
KCL
KVL
Source Transformation
Star to Delta
Delta to star
Mesh Analysis
Nodal Analysis

Leaner will be tested with sample problems and puzzles to enhance their level of understanding

Session 6 (7th July 2010)

Objective:

To review and help the learner to understand

1. Nodal analysis

3. Problems for practice

and simple Puzzles to have fun with circuit analysis

Session 5 (6th July 2010)

Objective:

To review and help the learner to understand

1. Types of Mesh circuits (Contd.)

3. Problems for practice

and simple Puzzles to have fun with circuit analysis

Session 4 (5th July 2010)

Objective:

To review and help the learner to understand

1. Mesh analysis
2. Types of Mesh circuits
3. Problems for practice

and simple Puzzles to have fun with circuit analysis

Session 3 (2nd July 2010)

After the session learner was able to identify the basics of

1. Source transformation

2. Star to delta transformation

3. Delta to star transformation

and problems

Session 2 (30th June 2010)

Learner was given practice in problems and puzzles in solving parallel circuits

Session 1 (30th June 2010)

After this session learner will be able to understand

1. What is circuit analysis?
2. Basic units of Electricity
3. Basic parts of a circuit and their Units
4. Understanding Circuit concepts
5. Ohms Law
6. Kirchoffs Current Law
7. Kirchoffs Voltage Law
8. Resistors in Series
9. Resistors in Parallel
10. Problems

Note

In Series circuit

V drop will be different I will be same

In parallel circuit

V will be same I will be different

Problem to Think:

Need to construct 11 ohm resistor with box of 4 ohms resistors.

Syllabus

UNIT 1
BASICS OF CIRCUIT ANALYSIS: Review of active and passive elements-Voltage–
Current relationship for passive elements-Review of Kirchhoff’s laws- network reduction
techniques- series, parallel, series parallel circuits.
Review of fundamentals of ac circuits, inductance and capacitance parameters, Concept
of Reactance, Impedance, Susceptance and Admittance, Steady state analysis of R, L and
C (in series, parallel and series parallel combinations) with sinusoidal excitation- power
factor, Real and Reactive powers, Complex and Polar forms of representation, Complex
power.
Definitions – Graph – Tree, Basic cut-set and Basic Tie-set matrices for planar networks
– Loop - Duality & Dual networks.

UNIT II
NETWORK THEOREMS FOR DC AND AC CIRCUITS: Review of loop and nodal
methods of analysis, star-to-delta or delta-to-star transformation, Source transformation
Superposition theorem, Thevenin’s theorem, Norton’s theorem, reciprocity theorem,
compensation theorem, Maximum power transfer theorem, Millman’s theorem and
Tellegen’s theorem.

UNIT – III
COUPLED CIRCUITS, RESONANCE AND THREE PHASE CIRCUITS:
Resonance – Series and parallel resonance circuits- Concept of band width and Q factor.
Coupled Circuits: Faraday’s laws of electromagnetic induction – Concept of self and
mutual inductance – dot convention – coefficient of coupling- linear transformer- Ideal
transformer
Three phase circuits: Phase sequence – Star and delta connection – Relation between
line and phase voltages and currents in balanced systems – Analysis of balanced and
Unbalanced 3 phase circuits – two watt meter method to measure power and power
factor.

UNIT – IV
TRANSIENT ANALYSIS: Initial conditions in elements-Evaluating initial conditions
in networks-Transient response of R-L, R-C, R-L-C circuits (Series combinations only)
for impulse, step, pulse and sinusoidal excitations -Solution using differential equation
approach and Laplace transform methods of solutions- Response of circuits for nonsinusoidal
periodic inputs

UNIT – V
NETWORK FUNCTIONS AND PARAMETERS: Network functions: The concept of
complex frequency-Transform impedance and transform circuits- driving point
impedance and admittance-transfer function-poles and zeros.
Two port network parameters – Z, Y, ABCD, hybrid parameters and their relations–
concept of transformed network – 2-port network parameters using transformed
variables.

TEXT BOOKS:
1. P. Ramesh Babu “Circuit Analysis” Scitech publications Pvt. Ltd, Second edition,
2009
.
REFERENCE BOOKS:
1. William Hayt and Jack E. Kimmerly, “Engineering circuit analysis” McGraw Hill
Company, 6th edition.
2. N.C. Jagan & C.Lakshminarayana, ‘Network Theory’ B.S Publications, 2006.
3. Kuriakose, “Circuit Theory”, PHI Learning, 2005