Tuesday, June 29, 2010

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.

Monday, June 28, 2010

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