JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
I Year B.Tech EEE
ELECTRICAL CIRCUIT ANALYSIS
UNIT – I
Introduction to Electrical Circuits Circuit Concept – R-L-C parameters – Voltage and Current sources – Independent and dependent sources-Source transformation – Voltage – Current relationship for passive elements – Kirchhoff’s laws – network reduction techniques – series, parallel, series parallel, star-to-delta or delta-to-star transformation.
UNIT – II Magnetic Circuits
Magnetic Circuits – Faraday’s laws of electromagnetic induction – concept of self and mutual inductance – dot convention – coefficient of coupling – composite magnetic circuit - Analysis of series and parallel magnetic circuits
UNIT – III Single Phase A.C Circuits
R.M.S and Average values and form factor for different periodic wave forms, Steady state analysis of R, L and C (in series, parallel and series parallel combinations) with sinusoidal excitation – Concept of Reactance, Impedance, Susceptance and Admittance – Phase and Phase difference – concept of power factor, Real and Reactive powers – J-notation, Complex and Polar forms of representation, Complex power – Locus diagrams – series R-L, R-C, R-L-C and parallel combination with variation of various parameters – Resonance – series, parallel circuits, concept of band width and Q factor.
UNIT – IV Three Phase Circuits
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 – Measurement of active and reactive power.
UNIT – V Network topology
Definitions – Graph – Tree, Basic cutset and Basic Tieset matrices for planar networks – Loop and Nodal methods of analysis of Networks with independent voltage and current sources - Duality & Dual networks.
UNIT – VI Network theorems (without proofs)
Tellegen’s, Superposition, Reciprocity, Thevenin’s, Norton’s, Maximum Power Transfer, Millman’s and Compensation theorems for d.c. and a.c. excitations.
UNIT – VII Transient Analysis
Transient response of R-L, R-C, R-L-C circuits (Series combinations only) for d.c. and sinusoidal excitations – Initial conditions - Solution using differential equation approach and Laplace transform methods of solutions.
UNIT – VIII Network Parameters
Two port network parameters – Z, Y, ABCD and hybrid parameters and their relations– – concept of transformed network – 2-port network parameters using transformed variables.
1.Engineering circuit analysis – by William Hayt and Jack E. Kimmerly, Mc Graw Hill Company, 6th edition.
2.Linear circuit analysis (time domain phasor, and Laplace transform approaches)Second edition by RAYMOND A.DeCARLO and PEN-MIN-LIN,Oxford University Press. Second edition 2004.
1.Network Analysis by Vanvalkenburg, PHI.
2.Network Theory: - N.C. Jagan & C.Lakshminarayana, B.S Publications.
3.Electrical Circuits: S.Sudhakar, P.S.M.Satyanarayana, TMH Publication.
4.Electric Circuits by A. Chakrabarthy, Dhanipat Rai & Co.