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Haldia Institute of Technology Department of AEIE EE(EI) 301 Circuit Theory and Networks Course Information Contacts: 3L+1T Credits: 4 Instructors 1.Mr. Manodipan Sahoo Email: [email protected] Mobile No.: 8001420788 2. Mr. Soumya Roy Email: [email protected] Mobile No.: 8900506630 Course Outcome At the end of this course, the learner will be able to: EE(EI)301.1 Identify linear systems and represent those systems in schematic form. EE(EI)301.2 Comprehend the basic concepts of DC and AC circuit behavior. EE(EI)301.3 Apply the Thevenin, Norton, Nodal and Mesh analysis and graph theory to express complex circuits in their simpler equivalent forms. EE(EI)301.4 Analyze transient and steady state response of RL, RC, RLC , resonant circuits and filters in time and frequency domains. EE(EI)301.5 Predict the transient behaviour of first and second order circuits. EE(EI)301.6 Synthesize Two-port passive networks applying the knowledge of the fundamental concepts of network analysis. Prerequisite: To understand this course, the learner must have idea of elementary physics, Basic Electrical Engineering and Calculus. Course Description Unit I Introduction to circuit theory concepts, Magnetically coupled circuits and Resonant circuits: Introduction: Continuous & Discrete, Fixed & Time varying, Linear and Nonlinear, Lumped and Distributed, Passive and Active networks and systems. Independent & Dependent sources, Step, Ramp, Impulse, Sinusoidal, Square, Saw tooth signals. Coupled circuits: Magnetic coupling, Polarity of coils, Polarity of induced voltage, Concept of Self and Mutual inductance, Coefficient of coupling, Modeling of coupled circuits, Solution of problems. Resonant Circuits: Series and Parallel Resonance, Impedance and Admittance Characteristics, Quality Factor, HalfPower Points, Bandwidth, Resonant voltage rise, Transform diagrams, Solution of Problems Unit II Laplace Transform and its applications: Laplace transforms: Concept of complex frequency, transformation of step, exponential, overdamped surge, critically damped surge, damped sine, undamped sine functions, properties of Laplace Transform, linearity, realdifferentiation, realintegration, Initial Value Theorem and Final Value Theorem, Inverse Laplace Transform, applications in circuit analysis, Partial Fractions expansion, Heaviside’s Expansion Theorem, Impulse, Step & Sinusoidal response of RL, RC, and RLC circuits. Transient analysis of different electrical circuits with and without initial conditions. Concept of Convolution theorem and its application. Solution of Problems with DC & AC sources. Unit III Network Theorems and Graph Theory: Network equations: Kirchoff’s Voltage Law & Current Law, Formulation of network equations, Source transformation, Loop variable analysis, Node variable analysis. Network theorem: Superposition, Thevenin’s, Norton’s & Maximum power transfer theorem. Millman’s theorem and its application in three phase unbalanced circuit analysis. Solution of Problems with DC & AC sources. Graph of Network: Concept of Tree, Branch, Tree link, junctions, Incident matrix, Tie-set matrix and loop currents, Cut-set matrix and node pair potentials, duality, solution of problems. Unit IV Two port networks, Transient analysis of Circuits and Filter circuits: Two port networks analysis: Open circuit Impedance & Short circuit Admittance parameter, Transmission parameters, Hybrid parameters and their inter relations. Driving point impedance & Admittance. Solution of Problems with DC & AC sources. Circuit Transients: DC Transient in R-L & R-C circuits with and without initial charge, R-L-C circuits, AC transients in sinusoidal R-L, R-C, & R-L-C circuits, solution of problems Filter Circuits: Analysis of Low pass, High pass, Band pass, Band reject, All pass filters (first and second order only) using operational amplifier. Solution of Problems. Recommended Reading Text Books: 1. Kuo, F. F., “Network Analysis and Synthesis”, Wiley. 2. Van Valkenburg, M.E., “Network Analysis”, Prentice Hall. 3. Roychowdhury, D., “Network and Systems”, New Age International. 4. Ghosh, S. and Chakraborty, A. K., “Network Analysis and Synthesis”, McGraw Hill. References: 5. 6. 7. Husain, A.,” Network and Systems”, Khanna Book Publisher. Reza, F.M., Seely, S.,”Modern Network Analysis”, McGraw Hill. Hayt, W. H., Kemmerly, J. E., “Engineering Circuit Analysis”, TMH.