JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY, 
HYDERABAD 
II Year B.Tech ECE II-Sem L T/P/D C 
4 -/-/- 4 
(A40215) PRINCIPLES OF ELECTRICAL  ENGINEERING

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Objectives:

This course intorduces the basic concepts of transient  analysis of the circuits,the basic two-port network parameters and the design analysis of the filters and attenuators and their use in the circuit theor. The emphasis of this course is laid on the basic operation of DC machines and transformers which includes DC generators and motors, Single-Phse transformers.

UNIT - I:

Transient Analysis (First and SecondOrder Circuits): Transient response of RL, RC Series, RLC Circuits for DC excitations, Initial Conditions, Solution usin Differential Equations approach and Laplace Transform Method

UNIT - II:

Two Port Networks: Impedance Parameters, Admittance Parameters,HybridParameters, Transmission (ABCD) Parameters, Conversion of one of Parameter to another, Conditions for Reciprocity and Symmetry, InterConnection of Two Port networks in series, Parallel and Cascaded configurations, Image Parameters,Illustration problems

UNIT - III:

Filters and Symmetrical Attenuators: Classification of Filters, Filter Network, Classification of Pass band and Stop Band, Characteristic Impedance in the Pass andStop bands, Constatnt-k Low Pass Filter, High Pass Filter,m-derived T-Section, Band PassFilter and Band Elimination filter,Illustrativeproblems,Symmetrical Attenuators - T-Type Attenuator, p-Type Attenuator, Brided T-Type Attenuator,Lattice Attenuator

UNIT - IV:

DC Machines: Principle Of Operation Of DC Machines, EMF equation, Types of Generators, Magnetisation and Load Characteristics of DC Generators, DC Motors, Types of DC Motors, Characteristics of DC Motors, Losses and Efficiency,Swinburne's Test, Speed control of DC Shunt Motor, Flux and Armature Voltae control methods.

UNIT - V:

Tranformers and Their Performance: Principle of Operation of Sinle Phase Transformer, Types, Constructional Features, Phasor Diaram on No Load and Load,Equivalent Circuit, Losses and Efficiency of Transformer and Regulation, OC and SC test(SimpleProblems), Synchros, Stepper Motors.

TEXT BOOKS:

1. Electrical Circuits - A. Chskrabarhty, Dhanipat Rai & Sons.
2. Baasic Concepts of Electrical Engineering - PS Sibramanyam, BS Publications.

REFERENCE BOOKS:

1. Engineering Circuits Analysis - William Hayt and Jack E. Kemmerly, Mc Graw Hill Company, 7th Edition.
2. Basic Electrical Engineerin - S.N. Singh PUI
3. Electrical Circuits - David A. Bell, Oxford Printin Press.
4. Electrical Circuit Analysis - K.S. Suresh Kumar, Pearson Education.

OUTCOME:

After oin through this course the student gets a thorough knowledge on transisent analysis of circuits, filetrs, attenuators, the operation of DC machines and transformers, with which he/she can be able to apply the above conceptual thins to real-world problems and applications.