3EE3 CIRCUIT ANALYSIS-I

Unit-1

Introduction:

Introduction to circuit elements and their characteristics. Current and voltage

reference. Response of single element, double element and triple element circuits. Resonance,

selectivity & Q-factor in ac circuits.

Network Analysis:

Network voltages. Mesh & node systems of network equations and their

 


 

comparison. Graph of network, tree, incidence matrix, fundamental circuit functions, cut sets,

f-circuits analysis and f-cut set analysis, node and node pair analysis. Duality. Method of

obtaining dual network.

Unit-2

Network Theorems:

Thevenis’s, Norton's, Superposition, Reciprocity, Compensation,

Millman's, Tellegen’s, Maximum power transfer and Miller`s theorems.

Unit-3

Polyphase Circuits:

General Circuit Relations: Three Phase Star, Three Phase Delta, Star and

Delta Combination, Four Wire Star Connection, Balanced Three Phase Voltages And

Unbalanced Impedances. Power and Reactive Volt-Amperes in a 3-Phase System. Power

Relations in AC Circuits: Instantaneous Power in AC Circuits, Power Factor, Apparent Power,

Reactive Power, Power Triangle, Complex Power.

Unit-4

Non-Sinusoidal Waves:

Complex Periodic Waves And Their Analysis By Fourier Series.

Different Kinds of Symmetry, Determination of Co-Efficients. Average and Effective Values

of a Non-Sinusoidal Wave, Power in a Circuit of Non-Sinusoidal Waves of Cur rent and

Voltage, Form Factor, Equivalent Sinusoidal Wave and Equivalent Power Factor. Response of

Linear Network to Non-Sinusoidal Periodic Waves.

Unit-5

Time Domain and Frequency Domain Analysis:

Response of networks to step, ramp,

impulse, pulse and sinusoidal inputs. Time domain and frequency domain analysis of circuits.

Shifting theorem, initial and final value theorems. Special signal waveforms with Laplace

transform & applications to circuit operations.

 

transformers, separation of losses.

Unit-5

Polyphase Transformers:

Single unit or bank of single-phase units, polyphase connections,

Open delta and V connections, Phase conversion: 3 to 6 phase and 3 to 2 phase conversions,

Effect of 3-phase winding connections on harmonics, 3-phase winding transformers, tertiary

winding.

 

wattmeter and energy meter and their compensation and adjustment. Testing and calibration of