JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Prerequisite

Mathematics - II & Basic Electrical and Electronics Engineering

Course Objectives:

• To understand Magnetic Circuits, Network Topologyand Three phase circuits.
• To analyze transients in Electrical systems.
• To evaluate Network parameters of given Electrical network
• To design basic filter configurations

Course Outcomes

After this course, the student will be able to

• Analyze the Electrical Circuits with the concept of Network topology
• Apply the concepts of Magnetic circuit & Analyze Magnetic circuits
• Determine self and mutually induced EMF’s for Magnetically coupled coils
• Understand the importance of three phase circuits and Analyze the three phase circuits with Star & Delta connected balanced and unbalanced loads
• Analyze the transient behavior of electrical networks for various excitations
• Obtain the various network parameters for the given two port networks
• Represent the transfer function for the given network
• Determine the parameters for the design of various filters

UNIT - I

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 Network topology: Definitions– Graph – Tree, Basic cutset and Basic Tieset matrices for planar networks – Loop and Nodal methods of analysis of Networks with dependent & independent voltage and current sources - Duality & Dual networks.

UNIT - II

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 - III

Transient Analysis: Transient response of R-L, R-C, R-L-C circuits (Series and Parallel combinations) for D.C. and sinusoidal excitations – Initial conditions – Classical method and Laplace transforms methods of solutions. Transient response of the above circuits for different inputs such as step, ramp, pulse and impulse by using Laplace transforms method.

UNIT - IV

Network Parameters: Network functions driving point and transfer impedance function networks- poles and zeros –necessary conditions for driving point function and for transfer function Two port network parameters – Z, Y, ABCD and hybrid parameters and their relations– 2- port network parameters using transformed variables.

UNIT - V

Filters: Introduction to filters –low pass – high pass and band pass – RC, RL, filters- constant K and m derived filters and composite filter design

TEXT BOOKS

• 1. “William Hayt and Jack E. Kemmerly”, “Engineering circuit analysis”, Mc Graw Hill Company, 6th edition, 2016.
• 2. “D. Roy Chowdary”, “Networks and systems”, New age international publishers, 2009.
• 3. “N. C. Jagan & C. Lakshminarayana”, “Network Theory”, B.S Publications, 2014.
• 4. “A. Chakrabarthy”, Circuit Theory, Dhanpat Rai, 2005.

REFERENCE BOOKS:

• 1. “Van Valkenburg”, “Network Analysis”, PHI, 3rd Edition, 2014
• 2. “Franklin F Kuo,” “Network Analysis & Synthesis”, Wiley India PVT. Ltd., second Edition, 2006
• 3. “K.C. A. Smith & R. E. Alley”, “Electrical Circuits”, Cambridge University Press, 1992
• 4. “K. Rajeswaran”, “Electric Circuit theory”, Pearson Education, 2004.
• 5. “A. Bruce Carlson”, “Circuits”, Thomson Publishers, 1999