EC –301  APPLIED MATHEMATICS

(1)  ORDINARY DIFFERENTIAL EQUATION OF HIGHER ORDER:

definition, complete solution, operator d, complementary function, inverse operator, rules for finding particular integral,  cauchy’s  &  legendre’s  linear equation, simultaneous linear equations with constant coefficients, application to engineering problems such as forced damped oscillations, electrical circuits etc.

(2)  FOURIER SERIES: 

Euler’s formula, dirichlet’s conditions, functions having points of discontinuity, change of interval, expansion of odd or even periodic functions, half range series.

(3)  LAPLACE TRANSFORM:

introduction, transform of elementary functions, properties of L.T., existence conditions, inverse transform, transform of derivatives, transform of integrals, multiplication by tn, division by t, convolution theorem, application to solution of differential equation.

(4)  INTEGRAL TRANSFORM: 

introduction, definition, fourier integral ,fourier transform, convolution theorem for F-transform, parsvel’s identity, relation between fourier transform & laplace transform, f-transform of the derivative  of a function, application of transform to boundary value problems.

(5)  Z-TRANSFORM

(6)  PARTIAL DIFFERENTIAL  EQUATION WITH APLICATION :

formation  of p.d.e., particular and complete integral, equation solvable by direct integration, linear equation of first order, non-linear equation of first order, homogeneous linear equation with constant co-efficients, method of seperation of variables , boundary value problems, solution of wave equation, one dimensional heat flow problems, solution of laplace’s equation(two dimension)

BOOKS:

·         Higher engineering Mathematics by B.S.GREWAL

·         A text book of Applied Mathematics by P.N.WARTICAR/J.N.WARTICAR

·         Engg. Mathematics by G.V.KUMBHOJKAR II/III

·         Advance Engg. Mathematics by CHANDRIKA PRASAD

EC –302  THEORY OF ELECTRICAL MACHINE

1.    D.C. GENERATORS:-

Constructional features and working principle, Functions of different of d.c. machines, E.M.F.  equations general  idea  of armature  reaction  and  commutation, efficiency   and  losses, types,  characteristics  and applications.

2.     D.C. MOTORS:-

       Working principle,Back e.m.f. torque,efficiency and losses,types,characteristics  andapplications.

3.     TRANSFORMER:-

  Constructional features, Working principle and on load, O.C. and S.C. test, equivalent circuit,seperation of losses, regulation and losses, Basic idea of parallel of operation. Auto transformer, Current and potential transformer working principle ratio and phase errors.

4.     THREE PHASE INDUCTION MOTOR:-

  Classification of A.C. motors, Constructional features, Working principle, Rotating magnetic field concepts and analysis of  performance of three-phase squirrel cage and slipring induction motor.

5.      SINGLE PHASE MOTORS:-

   Different  types of  single-phase  motors,   Details of capacitor and induction  type single  phase  motors.

6.      SPECIAL PURPOSE MOTORS:-

            Stepper motor, PCB motor, D.C. and A.C. servomotor, Synchros.

7.      ALTERNATOR:-

   Constructional features, Basic principle distribution factors, E.M.F. equation synchronous impedance armature reaction.

8.      SYNCHRONOUS  MOTORS:-

   Principles of operation, Constructional features, Analysis of performance torque and torque equations, Effect of excitation on armature current and power factor, V-curves, Hunting.

9.      STARTING OF ELECTRICAL MOTORS:-

   Starting of d.c. motors, d.c. motor starters, Starting of three phase induction motor, Induction motor starters.

Ø       PRACTICAL/ORAL:-

             The practical and termwork shall be based on syllabus.

Ø       BOOKS:-

v        A textbook of Electrical Technology  Vol.-II    ….. B.L Thareja.

v        Performance and Design of A.C. Machines     ..… M.G. Say.

EC –303   NETWORK THEORY 

(1)  CIRCUIT FUNDAMENTALS AND THEOREMS :-

 Charge and energy,  Field and circuit concept and inter relation ship. Circuit parameters R.L.C.M. etc. Dot convention of coupled circuits, current and voltage sources and convention, source transformation, energy and power. Average and complex power. Insertion loss , optimizing power transfer. Tellegen’s  theorem. Kirchhoff’s Laws. Basic terms e.g. node, brach, graph, tree, loop, etc. Network topologies. Graph and tree of a network. Number of  network equations required for solution.

Thevinine’s . Norton’s. Milkman’s superposition, Reciprocity theorem.

(2)  TRANSIENT AND STEADY STATE NETWORK ANALYSIS :-

Initial  8-conditions, in elements Geometrical interpretation of derivatives procedure for evaluating initial conditions.

            Concept and physical significance of complex frequency. Transform impedance and admittance of R.L.C. elements and circuits. Driving point. Transformer input and joutput impedance of a network application of network theorem.

            Formulation of network equilibrium equations on node and loop basis. Duality. Method of writing parameter matrix directly. Solutions using minors and quasi methods. Network analysis using Laplace and inverse laplace transforms. General solutions of second order equations in S domain. Response related to s plane location of  roots, pole zero concept.

            Sinusoidal steady state analysis using exponential.

(3)    TWO PORT NETWORK PARAMETERS :-

  Short circuit admittance (y), open circuit impedance (z). Transmission (ABC D). Hybrid   (h) parameters; Inter relations between parameter sets. Conditions for reciprocity of a Two port network. Input output and image impedance. Two part network topologies like. T. PIE. Ladder. Bridded T. Lattice etc. Symmetrical networks parallel connection of two port networks.

(4)  SYNTHESIS OF ONE PORT L - C NETWORKS :-

 Reactive networks, common features for driving point immitances, separation property, synthesis of Foster and  Cauer reactive networks.

PRACTICAL/ORAL :      The practicals & termwork shall be based on  the syllabus. 

BOOK:-

1.NETWORK ANALYSIS  BY  M.E. VAN  VALKENBARG  

2.NETWORK ANALYSIS  BY G.K.  MITHAL  KHANNA  PUBLISHERS.

3.NETWORK THEORY  AND FILTER DESIGN BY V.K.  ATRE WILEY                  EASTEORN.  

4. ENGINEERING CIRCUIT ANALYSIS  BY W.H.  HAYT  J.E.  KOMMERTY          MGH.  

5. ELECTRIC CIRCUITS  BY  J.  EDMINISTER. 

6. LINEAR CIRCUIT ANALYSIS  BY  S.  MADHU   PHI.

EC –304  LINEAR ELECTRONICS

1.  Trasport  Phenomena in Semiconductors   : -

Mobility & Conductivity, Electrons &   holes in an intrinsic  semiconductor ,Donor & acceptor impurities ,Charge densities in a semiconductor ,Electrical properties of  Ge  & Si ,The hall effect ,Conductivity  modulation, Generation  & recombination of charges ,Diffusion ,The continuity  equation ,Injected minority – carrier charge ,The potential variation within a graded semiconductor ,Recapitulation.

2.   Three Terminal Semiconductor Devices  : -

Review   of  transistor, current components ,Configurations,

Characteristics , Current gains & equations ,Early effect  , Reach through, Photo transistor ,   Power  transistor, Switching  characteristics  & limits ,Base drive ,UJT ,

PUT ,FET & MOSFET, Enhancement  &  depletion  modes, Threshold voltages ,Ion implantation ,Power  MOSFETs  ,Device specifications.

3.   The Transistor  at Low frequencies : -

Graphical analysis of the CE configuration ,Two port devices & the hybrid model , Transistor hybrid model ,The  h parameters , Thevenin’s theorems & corollaries,

The emitter follower, Comparison of transistor amplifier configurations, Linear analysis of a transistor ckt, Miller’s theorem & its dual, Cascading transistor amplifiers, Simplified CE Hybrid model, Simplified calculations for the CC configuration, The CE amplifier with an emitter resistance.

4.   The Transistor  at High frequencies : -

The hybrid  - pi  CE transistor model, Hybrid – pi conductances, The hybrid – pi capacitances, Validity of hybrid – pi model, Variation of hybrid- pi parameters, The CE short circuit current gain, Current gain with resistive load, The gain bandwidth product.

5.    Multistage Amplifiers : -

Classification of amplifiers, Distortion in amplifiers, Frequency response of an amplifier, Step  response of an amplifier, Bandpass  of cascaded stages, The R-C coupled amplifier, Low frequency response of an R-C coupled stage ,Effect of an emitter bypass capacitor on low frequency response.

6.   Feedback Amplifiers : -

Classification of amplifiers ,The feedback concept ,The transistor gain with feedback, General  characteristics of negative feedback amplifiers, Input resistance,

Output resistance, Method of analysis of a feedback amplifier, Voltage series feedback,

A voltage series feedback pair, Current series feedback, Current shunt feedback, Voltage shunt feedback.

7   Stability & Oscillators : -

Criterion of oscillation ,General condition of oscillation ,Analysis  & working of sinusoidal oscillators such as R- C phase shift , wein   bridge , hartley  ,colpitts ,crystal etc. Amplitude & frequency stability ,Basic principle & working of  astable ,bistable ,

Monostable  multivibrators ,UJT  sawtooth oscillator ,Blocking oscillator .

8.   Power Amplifiers : -

 Class A large signal amplifiers, Second  harmonic distortion , Higher order harmonic generation , The transformer coupled audio power amplifier ,  Efficiency , Push pull amplifier , Class B amplifiers , Class AB operation .

9.   Power Supply : -

Action of L  &   C as basic filter elements L – C combinations ,Analysis & design  of filter elements ,Bleeder  resistors ,Critical inductance ,Swinging chokes ,Design of power transformer  for rectifiers ,Complete design & performance  of rectifier with filter.,

Regulated power supplies  ,Regulation factors ,Series regulator ,Short circuit protection, Switch mode, Resonant  &  bidirectional  power supplies ,Servo – controlled

voltage  regulators ,Buck – boost  regulators.

      The practical & termwork based on syllabus.

      Books : -

      Integrated Electronics by Millman  &  Halkias ,  MGH.

      Electronic devices & circuits by Millman  &  Halkias ,  MGH.

      Electronic circuits by Schilling belove ,MGH.

      Electronic devices & circuits by Mottershed.

      Electronic Electronic devices & circuits by Mohammed  S . Ghausi.

EC –305  ELECTRINICS INST. & MEASUREMENT

1.   Qualities of Measurements:

Performance characteristics, errors in measurements, statistical analysis,    standards for  basic electrical quantities.

2.   Electromechanical Indicating Instruments and Display Devices:

Classification and principle of operation of electromechanical indicating instruments, dc ammeters and voltmeters, ohmmeter, multimeter (VDM), Watthourmeter, power factor meter, Thermoinstruments, Electrodynamometers, construction of diff. Types of display devices, different types of printers.

3.   Electronic Instruments:

DC ammeters and voltmeters, calibration of dc instruments, extension of range, ac voltmeters, ohmmeters, analog Multimeter, digital voltmeter, digital multimeter, digital phase meter, digital capacitance meter, digital frequency meter

4.   CRO & its applications:

Block diagram of CRO and detail understanding of associated functions and features, detail of front panel controls, CRO probes, oscilloscope techniques, special CRO’s such as Dual beam, Dual trace sampling, storage, fiber optic CRT recording oscilloscope, application of CRO, oscilloscope operating precautions.

5.   Signal Generators and Wave analyzers:

Standard signal generators, modern laboratory signal generators, function generators, AF sine and square wave generators, random noise generator, basic wave analyzer, frequency selective wave analyzer, spectrum analyzer, digital Fourier analyzer.

6.   Bridges and their applications:

Principle and application of different types of bridges like wheat stone bridge, Kelvin’s bridge, Maxwell’s bridge, Hays Bridge, wein bridge, Resonance bridge, precautions when using bridges, Digital readout and microprocessor controlled bridge.

Practical/Oral:

The practical and term work shall be based on the syllabus.

Books:

1)      Electronic Instrumentation by H. S. Kalsi [TMH]

2)      Modern Electronic Instrumentation and Measurement techniques by W. D. Cooper [PHI]

3)      Electrical and Electronic measurement and instrumentation by A. K. Sahwney

EC –306  INTRODUCTION TO COMPUTER APPLICATION & PACKAGES

• Fundamentals of computer:

• Disk operating system

• Window based operating system

• Microsoft Office

  1. Using common office techniques

  2. MS office and the internet

  3. Personalizing office

  4. Sharing information

• Word for windows

  1. Creating and editing word documents

  2. Formatting documents

  3. Working with tabs, tables, and columns

  4. Working with graphics

  5. Formatting shortcuts

  6. Streamlining repetitive work

• Working with Excel

  1. Introduction to excel worksheets

  2. Formatting and printing

  3. Working with workbooks

  4. Functions and formulas

  5. Working with excel graphics

  6. Working with lists and databases

  7. Analyzing information and solving problems

• Presenting PowerPoint

  1. Creating presentations

  2. Creating and showing slide shows

• Managing Data with Access

  1. Introduction

  2. Creating g custom databases and tables

  3. Finding information

  4. Creating forms, reports, and data access pages

• Microsoft Outlook

                1.       Outlook

                2.       Managing your schedule

                3.       Working with outlook express

                Microsoft Front Page

                1.       Designing web pages

                2.       Creating and testing

                3.       Using different styles

                4.       Publishing

          Circuit simulation soft wares: Work bench, Orcad, Pspice etc.

          TEXT BOOK: MS OFFICE 2000 BY TATA MC GARAW HILL