Basic Concepts:
Active and passive elements, Concept of ideal and practical sources. Source transformation and Source shifting, Concept of Super-Mesh and Super node analysis. Analysis of networks by (i) Network reduction method including star – delta transformation, (ii) Mesh and Node voltage methods for ac and DC circuits with independent and dependent sources. Duality
Network Theorems:
Super Position theorem, Reciprocity theorem, Thevenin’s theorem, Norton’s theorem, Maximum power transfer theorem and Millman’s theorem. Analysis of networks, with and without dependent ac and DC sources.
Resonant Circuits:
Analysis of simple series RLC and parallel RLC circuits under resonances. Problems on Resonant frequency, Bandwidth and Quality factor at resonance
Transient Analysis:
Transient analysis of RL and RC circuits under DC excitations: Behavior of circuit elements under switching action(t=0 and t=∞) , Evaluation of initial conditions.
Laplace Transformation:
Laplace transformation (LT), LT of Impulse, Step, Ramp, Sinusoidal signals and shifted functions. Waveform synthesis. Initial and Final value theorems.
Unbalanced Three Phase Systems:
Analysis of three phase systems, calculation of real and reactive Powers by direct application of mesh and nodal analysis.
Two Port networks:
Definition, Open circuit impedance, Short circuit admittance and Transmission parameters and their evaluation for simple circuits, relationships between parameter sets.
Course Outcomes:
At the end of the course the student will be able to:
• Understand the basic concepts, basic laws and methods of analysis of DC and AC networks and reduce the complexity of network using source shifting, source transformation and network reduction using transformations.
• Solve complex electric circuits using network theorems.
• Discuss resonance in series and parallel circuits and also the importance of initial conditions and their evaluation.
• Synthesize typical waveforms using Laplace transformation.
• Solve unbalanced three phase systems and also evaluate the performance of two port networks.
Question paper pattern:
• The question paper will have ten questions.
• Each full question is for 20 marks.
• There will be 2 full questions (with a maximum of three sub questions in one full question) from each module.
• Each full question with sub questions will cover the contents under a module.
• Students will have to answer 5 full questions, selecting one full question from each module.
Textbooks
1 Engineering Circuit Analysis William H Hayt et al Mc Graw Hill 8th Edition , 2014
2 Network Analysis M.E.Vanvalkenburg Pearson 3rd Edition , 2014
3 Fundamentals of Electric Circuits Charles K Alexander Matthew N O Sadiku Mc Graw Hill 5th Edition,2013
Reference Books
1 Engineering Circuit Analysis J David Irwin et al Wiley India 10th Edition, 2014
2 Electric Circuits Mahmood Nahvi Mc Graw Hill 5th Edition, 2009
3 Introduction to Electric Circuits Rich ard C Dorf and James A Svoboda Wiley 9th Edition, 2015
4 Circuit Analysis ; Theory and Practice Allan H Robbins Wilhelm C Miller Cengage 5th Edition, 2013
5 Basic Electrical Engineering V K Mehta, Rohit Mehta S Chand 6th Edition 2015