Note: Minimum two tests should be conducted for each theory subject and average of best two tests should be considered.

SWAMI RAMANAND TEERTH MARATHWADA UNIVERSITY, NANDED

TEACHING AND EXAMINATION SCHEME Second Year Electrical (Electronics & Power Engineering)

( w.e.f. Academic Year 2009-10)

Examination Scheme (Marks) S. No.

Name of the Subject

Teaching scheme (Hours/ Week) Paper Test Term

Work Practical

Total

PART-I 1 Engineering Mathematics-III 4 80 20 − − 100

2 D.C. Machines Theory & Design 4 80 20 − − 100

3 Electronic Devices & Circuits 4 80 20 − − 100

4 Numerical Methods & Computer Programming 4 80 20 − − 100

5 Electrical Measurement & Instrumentation 4 80 20 − − 100

6 Communication Skill 2 40 10 − − 50

7 D.C. Machines Theory & Design Lab. 2 − − 25 25 50

8 Electronic Devices & Circuits Lab. 2 − − 25 25 50

9 Numerical Methods & Computer Programming Lab. 2 − − 25 25 50

10 Electrical Measurement & Instrumentation Lab. 2 − − 25 25 50

11 Communication Skill Lab. 2 - - 25 25 50 Total of Part-I −> 32 440 110 125 125 800

PART-II 12 Engineering Mathematics-IV 4 80 20 − − 100 13 Transformer Theory & Design 4 80 20 − − 100 14 Generation & Transmission 4 80 20 − − 100 15 Network Analysis 4 80 20 − − 100

16 Linear & Digital Integrated Circuits 4 80 20 − − 100

17 Electrical Workshop- Miniprojects 2 - - 50 − 50

18 Transformer Theory & Design Lab. 4 − − 50 50 100

19 Generation & Transmission Lab. 2 − − 25 25 50

20 Network Analysis Lab. 2 − − 25 25 50

21 Linear & Digital Integrated Circuits Lab. 2 − − 25 25 50

Total of Part-II −> 32 400 100 175 125 800

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01. ENGINEERING MATHEMATICS - III

Teaching Scheme Examination Scheme Lectures : 4 Hrs/Week Theory Exam : 80 Marks Class Test : 20 Marks

UNIT - I Linear Differential equations of Higher order – I [8 Hrs] 1.1 Introduction to L.D.E. with constant coefficients 1.2 General solution of f(D)y = X, shortcut methods 1.3 Non-Homogeneous linear equations: i) Solution by Method of variation

of parameters ii) Solution by Method of undetermined coefficients

1.4 Equations Reducible to L.D.E. with constant coefficients i.e. i) Cauchy’s Homogeneous linear equation ii) Legendre’ Linear equations

UNIT – II Linear Differential equations of Higher order - II [6 Hrs] 2.1 Simultaneous L.D.E. with constant coefficient 2.2 Symmetrical simultaneous equations

Rdz

Qdy

Pdx

by i) Method of Grouping ii) Method of Multipliers.

2.3 Applications of L.D.E. to electrical circuits UNIT – III Vector Differential Calculus [7 Hrs] 3.1 Vector and Scalar functions, fields, derivatives 3.2 Gradient of Scalar field, Directional derivative and Geometrical meaning of gradient (Gradd ) 3.3 Divergence and curl of a vector fields 3.4 Solenoidal and Irrotational vectors 3.5 Second order diff operator and vector identifies UNIT – IV Vector Integral Calculus [7 Hrs] 4.1 Line integral, Line integral independent of path, Line Integral in parametric form 4.2 Circulation of a vector [Work done] 4.3 Green’s Theorem [without proof] its verification and applications 4.4 Surface Integral, Stoke’s Theorem [without proof] and its applications 4.5 Gauss Divergence Theorem [without proof] and its applications to Engineering

problems UNIT – V Statistics [6 Hrs] 5.1 Corelation: Scatter diagram,Types of correlations 5.2 Karl Pearsson’s coefficient of correlation 5.3 Regression: Lines of regressions, Lines of regression of Bivariate data 5.4 Curve fitting: Fitting of curves by Least Square Method UNIT – VI Probability [6 Hrs] 6.1 Introduction, Random variable 6.2 Discrete and continuous Probability Distributions 6.3 Bionomical Distribution 6.4 Poisson Distribution 6.5 Normal Distribution

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Text Books: 1. Advanced Engineering Mathematics by Erwin Kreyszing (Wiley Eastern Ltd.) 2. Advanced Engineering Mathematics by B. S. Grewal (40th Edition, Khanna Publication Delhi) 3. Advance Engineering Mathematics by R. K. Jain and S. R. K. Iyengar (Third Edition, Narosa Publication) Reference Books: 1. Applied Mathematics (Volumes I & II) by P. N. Wartikar and J. N. Wartikar (Pune Vidyarthi Griha Prakashan, Pune). 2. Higher Engineering Mathematics by B. V. Ramana (Tata McGraw Hill). 3. Engineering Mathematics by Thomas and Finney.

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02. D.C. Machines Theory & Design

Teaching Scheme Examination Scheme Lectures : 4 Hrs/Week Theory Exam : 80 Marks Class Test : 20 Marks UNIT I DC Generator Basic principle of working, E.M.F. equation, Types, characteristics and applications of different types of D.C. generators. Armature reaction in d.c. generators & its effects. Remedies to overcome armature reaction. Process of commutation & types, causes of bad commutation and remedies, interpoles, compensating windings.

[8 Hrs]

UNIT II D.C. Motor Basic principle of working, Significance of Back e.m.f., Torque equation, Types, characteristics and applications of different types of d.c.motors, Starting, reversing and armature voltage and field control method of speed control, Starters. Armature reaction in dc motors. Study and working principle, control and performance and applications of brushless DC motor & permanent magnet motors.

[8 Hrs]

UNIT III Testing of DC Machines Losses, efficiency, condition for maximum efficiency and maximum power output, effect of saturation and armature reaction on losses. Insulation resistance ,Brake Test ,Swinburne’s test ,Regenerative test on and shunt motors ,Separation of various losses ,retardation test , type and routine tests according to ISI specifications.

[6 Hrs]

UNIT IV Design of DC machines Choice of specific electric and specific magnetic loading. Determination of main dimensions using output equation. Design of field system and interpoles. Design of armature. Design of commutator and brushes.

[6 Hrs]

UNIT V Estimation from design Estimation of machine performance in respect of losses, temperature rise, efficiency and regulation. Design of motor resistance starter.

[6 Hrs]

UNIT VI Design of Winding Types of D. C. winding, pitches, choice and design of simplex lap and wave winding

[6 Hrs]

- 4 -

Reference Books: 1. B. L. Theraja (Vol. II)- ‘Electrical Technology’

2. A.E. Clayton- ‘Performance And design of DC machines’

3. A. K. Shawney- ‘Electrical Machine Design’

4. R. K. Agarwal- ‘Principle of Electrical Machine Design.’

5. S. K. Bhatacharya- ‘Electrical Engineering Drawing’

6. K. L. Narang- ‘Electrical Engineering Drawing’

- 5 -

03. ELECTRONICS DEVICES AND CIRCUITS

Teaching Scheme Examination Scheme Lectures : 4 Hrs/Week Theory Exam : 80 Marks Class Test : 20 Marks

UNIT I Transistor Theory Transistor circuits-C E ,C B, C C, Emitter follower –comparison ,Biasing,Temp stabilization, Low frequency analysis using h- parameters[for C E only],Methods and effects of cascading, frequency response

[7Hrs]

UNIT II A F power Amplifiers Types and class of operation ,efficiency of operation considerations. Feedback amplifiers, Types ,negative feedback identification of different topologies.

[7 Hrs]

UNIT III Special Devices Principles, Characteristics, applications of -FET, UJT, PUT, DIAC, Opto electrical Devices, opto couplers, opt isolators, Optical Decoders, Display Devices such as LED,LCD

[7 Hrs]

UNIT IV Digital Circuit Multivibrators, Free running, Mono, Bi-stable, Schmitt trigger, Logic Gates, Types, combinations, applications, truth tables, Single bit comparators, adder, subtractor circuits, Various types of flip-flops-SR,D,JK

[7 Hrs]

UNIT V Shift Registers and counters Types applications and operations of counters –synchronous and asyn, Decade BCD,N-Modulo, Ring, Johnson, Study of Ics-7495,7490,7492-93 shift registers, Pulse train generators, Study and operation of RAM, NVRAM, SRAM, DRAM, ROM, EPROM, PLA, FPLA.

[7 Hrs]

UNIT VI Regulated power supplies Design of series voltage regulators using discrete components, Protection circuits and pre regulator. Design of fixed voltage regulator using (IC 78XX and 79XX), design of adjustable voltage regulators (LM 317,337), precision voltage regulators (IC 723)

[7 Hrs]

- 6 -

Text Books: 1: Electronic Devices and Circuits Theory: Boylestad and Nashelsky-PHI.

2: Operational Amplifiers: Ramakant Gaikwad – PHI.

3: Digital Principles: Malvino Leach – TMH.

4: Optoelectronics: Deboo Burroughs – TMH.

5: Power Electronics: C.W.Lander – TMH.

Reference Book: Integrated Electronics: Millman and Halkais – MGH.

04. NUMERICAL METHODS AND COMPUTER PROGRAMMING

Teaching Scheme Examination Scheme Lectures : 4 Hrs/Week Theory Exam : 80 Marks Class Test : 20 Marks UNIT 1 [10 Hrs] Errors Definitions, Roots of Equation, Algebraic Equations Definitions, Round-off Errors, Truncation Errors, Bisection Method, False-Position Method, Newton-Raphson Method, Secant Method. Gauss-Elimination Method, Pitfalls of Elimination Methods : Division by Zero, Round-off Errors, Ill-conditioned Systems, Gauss-Jordan Method, Gauss-Seidal Method, UNIT 2 [8 Hrs] Curve Fitting, Interpolation and Numerical Differentiation & Integration Curve Fitting : Linear Regression, Polynomial Regression. Interpolation : Newtons’s Divided Difference Interpolating Polynomials, Lagrange Interpolating Polynomials. Differentiation Formulae, Trapezoidal Rule, Simpson’s 1/3 & 3/8 Rule. UNIT 3 [2 Hrs] Principles of OOP Difference between POP & OOP, OOP Paradigm, Basic Concepts & Benefit of OOP UNIT 4 [6 Hrs] Functions, Class & Objects Inline Function, Default Arguments, Function Overloading. Class Specification, Class Objects & their Memory Allocation, Defining & accessing Member Function, Private Member Function, Passing & Returning Objects as Function, Friend Function.

UNIT 5 [6 Hrs] Constructor & Destructor. Constructor, Parameterized Constructor, Multiple Constructor, Copy Constructor, Dynamic Constructor, Destructor. UNIT 6 [8 Hrs] Polymorphism & Inheritance. Def., Operator Overloading, Overloading with Unary & Binary Operator. Inheritance & their forms, Virtual Class & Virtual Function. Template Class & Function, Exception Handling & its mechanism. Reference Books: Introductory Methods of Numerical Analysis- S.S.Sastry

1. Numerical methods for Scientific and Engineering Computation-M. K. Jain, R.K. Jain

2. Numerical Methods for engineering – Steven C. Chapra 3. Object oriented programming in C++ - Robert Lafore - Techmedia

Publications 4. C++ Program design –James P. Cahoon, Jack W. Davidson, TMH Series 5. C ++ Programming-Bible- Al Stevens,Clayton Walnum 6. Object oriented programming with C++ - Balagurusamy 7. Mastering C++ - K.R. Venugopal

8

05. ELECTRICAL MEASUREMENT & INSTRUMENTATION Teaching Scheme Examination Scheme Lectures : 4 Hrs/Week Theory Exam : 80 Marks Class Test : 20 Marks

UNIT I [8 Hrs] Theory of measurement; accuracy, precession, errors. Measurement of electrical arameters By, Bridge measurements, for R, L and C, Whetstones Bridge, Maxwell Bridge, Hey’s bridge and De-Sauty Bridge. Measurement of flux. UNIT II [6 Hrs] Systematic errors, Random errors, Total measurement system errors, system Disturbances due to measurement, modifying inputs, Random errors, total measurement system errors, Mean &median values, Std. Deviation and variance, concepts of histogram, bell shape distribution, frequency distribution of errors, and error boundaries (3 & 6 concepts). UNIT III [6Hrs] Measurement of electrical signals, Voltage measurement, current measurement, resistance measurement, and power measurement, by operating principles of electro-mechanical instruments [MI, MC, Induction type] and by methods of substitution. UNIT IV [8 Hrs] Instruments classification, characteristics of instruments [theoretical concepts] like, Range or span, linearity, sensitivity, zero-drift, hysteresis, threshold, dead space, resolution. First order instruments and second order instruments, [understanding of curves, and numericals on mathematical expressions]. UNIT V [8Hrs] Instrument calibration reference standards, concepts and basic circuits like [amplification, attenuation, signal linearization, filtration, Bias shift etc.] for analog signal processing, introduction of Digital signal processing, manipulation needs and transmission of signals. UNIT VI [4Hrs] Sensors & transducers, classification of sensors, principle of operation of Temperature sensors (RTD, thermocouple), pressure sensors (load cells, resonant wire device, Pirani gauge), electromagnetic flow meters, ultra sonic flow meters, fiber optic level sensors and LVDT. Photo & electro magnetic sensors. [This entire Unit VI has descriptive treatment only.]

9

References: 1. E.W. Golding, Electrical Measurement and Measuring Instruments Sir Isaac Pitman

and Sons, Ltd. London 1940 2. C.S. Rangan, G.R. Sarma, V.S.V. Mani, Instrumentation Devices and Systems Tata

McGraw-Hill Publishing Company Ltd. 3. B.C. Nakra, K.K. Choudhry, Instrumentation, Measurement and Analysis Tata

McGraw-Hill Publishing Company Ltd. 4. Chakrabarti, A.K. Sawhney, Electrical and Electronic measurements and

Instrumentation, Dhanpat Rai and Co. 5. Albert D. Helfrick, William D.Cooper, Modern Electronic Instrumentation and

Measurement Techniques Pearson Education. 6. John Bentley, Principles of Measurement Systems Pearson Education. 7. Principles of measurement and instrumentation—Author: Alan S. Moris

Publishers: Prentice Hall of India Pvt.Ltd. New –Delhi 8. Measurements & Instrumentation --Author: R.S.Sirohi & H.C.Radhakrishna

Publishers: New Age InternationalPvt.Ltd. New –Delhi

10

06. COMMUNICATION SKILLS Teaching Scheme Examination Scheme Lectures : 2 Hrs/Week Theory Exam : 40 Marks Class Test : 10 Marks Unit 1 Basics of Communication: [3 Hrs.] Definition; Elements of Communication; Cycle of Communication and Feedback. Types of Communication: Verbal and Nonverbal (Oral, Written, Graphic Language and Body Language) Upward and Downward; Formal and Informal. Media of communication: verbal non-verbal and audio-visual Principles of Effective Communication. Barriers of Communication.

Unit 2. Listening Skills: [3 Hrs.] Active Listening: Basic Principles Listening and Note Making Listening to Conversations from IELTS: Book 1 Unit 3. Reading Skills: [2 Hrs.] Active Reading: Types: Skimming, Browsing, etc.Reading and Note Making. Comprehension Unit 4 Speaking Skills: [4 Hrs.] Basics of Presentation Techniques.Group Discussions. Interview Techniques Public Speaking and Seminars.Pronunciation: Basics. Unit 5 Writing Skills: [4 Hrs.] Business Correspondence:Business Letters Job ApplicationResumeParagraph (Technical, Business or General current issues)Reports. Unit 6. English Grammar and Vocabulary: [4 Hrs.] Tenses Common Errors in English Synonyms Antonyms One Word Substitution. Recommended Books:

Developing Communication Skills Mohan, Krishna.Meera Banerji, New Delhi Macmillan Communication Skills for Effective Management, DR. Anjali Ghanekar, Everest Publishing House. Communication Skills for Engineers, Sunita Mishra and C. Muralikrishna, Pearson Education Technical Communication, Meenakshi Raman and Sangeeta Sharma, Oxford University Press. Basic Communication Skills, Rutherford A. Person Education, New Delhi. Communication Skills, B.V. Pathak, Nirali Publication. Business Correspondence and Report Writing, R.C. Sharma and Krishnamohan, Tata McGraw Hill. English in situation, R.O, Neill, Oxford University Press. Organizational Behavior, Fred Luthans, McGraw Hill. Spoken English for India, R.K, Bansal. English Grammar and Composition, Pal and Suri, Sultan Chand & Son, Educational Publishers.

11

07. D.C. MACHINES THEORY & DESIGN LAB.

Teaching Scheme Examination Scheme Practicals : 2 Hrs/week TermWork : 25 Marks Practical : 25 Marks

List of Experiments:

1Determination of magnetization external and internal characteristics of D.

C.Generator.

1. Speed control of D. C. Shunt motor by Armature and Field control.

2. Study of three point and four starters.

3. Load test on D. C. Shunt motor.

4. Retardation test.

5. Hopkinson’s test.

7. Swinburne’s test.

Note: The term work shall consist of the record of minimum five experiments based on the course outline above. In design a report of design of dc machine is prepared for a typical dc machine which will contain the entire design procedure and calculations and sketches with dimensions calculated on 1/8 size drawing paper.

12

08. ELECTRONIC DEVICES & CIRCUITS LAB.

Teaching Scheme Examination Scheme Practicals : 2 Hrs/week TermWork : 25 Marks Practical : 25 Marks

List of Practicals: 1: Transistor:Biasing and Stabilization.

2: Multistage Amplifiers : Effect of cascading on gain and frequency response.

3 : Characteristics and performance of Single Stage FET Amplifier.

4 : Audio Frequency Power Amplifier Performance.

5 : Feedback Amplifiers : Current series / shunt feedback, effect of negative feedback

on Input impedance, output impedance, gain and bandwidth.

OR 5 : Voltage series / shunt feedback, effect of negative feedback on input impedance,

output

Impedance, gain and bandwidth.

6 : Regulated Power Supplies : Discrete Regulators – shunt and series regulators

circuits.

OR 6 : IC 723 ( low voltage / high voltage ) line, load regulation and performance

calculations.

7 : Characteristics and applications of optoelectronic devices ( viz. photodiode,

Phototransistor, LDR, Photovoltaic cell).

8 : Applications of Op-Amp : Inverting, Non-Inverting, Voltage follower, summer,

Subtractor.

OR 8 : Integrator, Differentiator, Multiplication and Division ( Using log, antilog),

comparator.

9 : Applications of Logic Gates : Study of single bit comparator, BCD Adder or

Subtractor

( using IC 7483). OR 9 : Verification of truth tables of SR, D and JK flip-flops and use of flip-flops as counters. Note: The term work shall consist of the record of minimum 8 experiments based on the course outlined above.

13

09. NUMERICAL METHODS AND COMPUTER PROGRAMMING LAB.

Teaching Scheme Examination Scheme Practicals : 2 Hrs/week TermWork : 25 Marks Practical : 25 Marks

Term- work: LIST OF PROGRAMS using C++ (Any 10 Experiments out of 14)

1. Bisection method 2. Newton -Raphson method 3. Gauss elimination method 4. Linear regression 5. Lagrange’s interpolation method 6. Trapezoidal method 7. Inline function 8. Friend function 9. Class and object

10. Operator overloading 11. Virtual functions 12. Exception handling 13. C++ program on inheritance 14. Constructor

14

10. ELECTRICAL MEASUREMENT & INSTRUMENTATION LAB. Teaching Scheme Examination Scheme Practicals : 2 Hrs/week TermWork : 25 Marks Practical : 25 Marks

Term Work: Term work will consist of record of minimum eight experiments carried out of

following 1. Measurement of power in a single phase circuit, using a) Three ammeter method and b) Three-voltmeter method. 2. Measurement of power in a three phase circuit, using two- wattmeter method, 3. Measurement of temperature using any one temp.sensor. 4. Measurement of inductance using Maxwell Bridge. 5. Measurement of capacitance by bridge methods 6. Measurement of current by substitution method. 7. Measurement of small (mili-) voltage by CRO. 8. Calibration of ammeter and voltmeter by using DC potentiometer 9. Separation of iron losses by Epstein square 10. Measurement of earth resistance 11. Calibration of energy meter at different power factors (3 phase /1 phase). 12. Measurement of displacement using LVDT.

15

11. COMMUNICATION SKILLS LAB. Teaching Scheme Examination Scheme Practicals : 2 Hrs/week TermWork : 25 Marks Practical : 25 Marks

Practicals : (minimum 8 out of 11 to be conducted and reported as Term Work)

1. Draw a communication cycle showing all the elements. 2. Convert the verbal and numerical data into the suitable nonverbal form. 3. Listen to the presentation by the faculty or student and make running notes. 4. Listen to the pre-recorded conversation and answer the questions based on it.

(Ref. IELTS: Book 1: CD: 1 and 2.) 5. Read the given passage and answer the questions following it.

(Ref. Books for CAT or IELTS) 6. Introducing Yourself (3 to 5 minutes) 7. Presentation for minimum 5 minutes on the given topic.

(Current Issues or Technical Topics) 8. Situational English (Dialogues and Role-plays) 9. Group Discussion: Live Session. 10. Mock-interview: Demo by expert panel. 11. Drafting: i) Business Letter, ii) Resume. Note: Use of Language Lab and audio-visual modes of communication is strongly recommended, where necessary.

16

12. ENGINEERING MATHEMATICS – IV

Teaching Scheme Examination Scheme Lectures : 4 Hrs/Week Theory Exam : 80 Marks Class Test : 20 Marks UNIT - I Laplace Transforms and Applications [10 Hrs] 1.1 Definition, Existence of L.T. 1.2 Properties: Linearity, Change of scale, First shifting, Second shifting,

Multiplication by t, Division by t., L.T. of derivative and Integral 1.3 Inverse L.T., Methods of obtaining inverse L.T., Convolution Theorem 1.4 L.T. of special functions

i) Unit (Heaviside) step function ii) Unit Impulse function (Dirac delta function) iii) Periodic functions

1.5 Applications of L.T. to initial value problems, simultaneous differential equations

UNIT – II Fourier Series and Fourier Transforms [8 Hrs] 2.1 Fourier series: Definition, Dirichlet’s conditions, Euler’s formulae 2.2 Fourier series over (0, 2 Functions having points of discontinuity 2.3 Change of interval 2.4 Expansions of Even and Odd functions, Half range series 2.5 Fourier Integrals: Definition complex form of Fourier integral 2.6 Fourier Sine and Cosine Integral 2.7 Fourier Transforms, Fourier Sine and Cosine Transforms UNIT – III Z Transforms [4 Hrs] 3.1 Definition: Standard properties, ZT of standard sequences 3.2 Inverse Z Transform 3.3 Applications of Z Transform to simple difference equations UNIT – IV Complex Analysis – I [6 Hrs] 4.1 Introduction of complex variable, limit, continuity and derivative 4.2 Analytic function, C-R equation in cartesian and polar form 4.3 Harmonic functions, Orthogonal System 4.4 Construction of analytic function f(z) = u + iv if u or v or u ± v are given UNIT – V Complex Analysis – II [8 Hrs] 5.1 Complex Integration: Line Integral of complex plane 5.2 Cauchy’s Integral Theorem for simply and multiply connected regions 5.3 Cauchy’s Integrated formula 5.4 Series of Complex terms: Convergence, Behavior radius of convergence of series 5.5 Taylor’s and Laurent’s series [without proof] 5.6 Singularities, Residues, Residues Theorem, Evaluation of real definite integrals 5.7 Conformal mappings: Translation, Magnification rotation and Bilinear Transformation

17

UNIT – VI Numerical Analysis [4 Hrs] 6.1 System of Linear simultaneous equations: 1) Direct Methods of solution- Gauss

Elimination method, Gauss Jordon Method. 6.2 2) Iterative Methods of solution: Gauss Seidal Iteration Method.

Text Books 1. Advanced Enggineering Mathematics by Erwin Kreyszing (Wiley Eastern Ltd.) 2. Advanced Enggineering Mathematics by B. S. Grewal (40th Edition, Khanna Publication Delhi) 3. Advance Engineering Mathematics by R. K. Jain and S. R. K. Iyengar (Third Edition, Narosa Publication) Reference Books: 1. Applied Mathematics (Volumes I & II) by P. N. Wartikar and J. N. Wartikar (Pune Vidyarthi Griha Prakashan, Pune) 2. Higher Engineering Mathematics by B. V. Ramana (Tata McGraw Hill). 3. Engineering Mathematics by Thomas and Finney.

18

13. TRANSFORMER THEORY & DESIGN Teaching Scheme Examination Scheme Lectures : 4 Hrs/Week Theory Exam : 80 Marks Class Test : 20 Marks

UNIT I Single Phase Transformers Working Principle, construction, Types of Transformer, E.M.F. equation and transformer ratio, Transformer on No load, Transformer on load, Equivalent resistance, Magnetic leakage, Transformer with resistance & magnetic leakage, Equivalent circuit of Transformer. Open circuit and Short circuit tests on single phase Transformer, Efficiency of a Transformer, Condition for maximum efficiency, Kapp regulation diagram, All day efficiency of Transformer, Parallel operation of single phase Transformer.

[8 Hrs]

UNIT II Polyphase Transformers Connecting a bank of three single identical single phase transformers. Construction of three phase shell and core type transformer. Comparison between single three phase unit and three single phase units, standard connections for three phase transformer, their voltage phasor diagrams, phasor groups, Floating neutral, parallel operation of three phase transformers, Three winding transformers, Tertiary winding and use of it in three phase transformers. Scott connection. Tap changer: types- construction & working.

[8 Hrs]

UNIT III Testing of Transformers Concept of polarity of transformer windings, standard practice of marking transformer winding terminals, polarity test using ac supply and voltmeter, open circuit and short circuit tests, methods of carrying out tests and information obtained from these. Sumpner’s test (Back to back).

[5 Hrs]

UNIT IV Maintenance of Transformers I.S. Specifications of transformers. Concept of routine and type tests. Testing of transformers as per I.S. specifications. Transformer oil maintenance, transformer oil testing as per I.S.

[3 Hrs]

UNIT V Design of Transformers Design of distribution and power transformers, specifications, design of main dimensions, core, yoke, winding, tank and cooling tube radiators

[8 Hrs]

UNIT VI Performance Evaluation Estimation of leakage reactance for equal heights for HV and LV windings. Resistance of windings, Calculations of no load current and losses. Voltage regulation and efficiency.

[8 Hrs]

Reference Books:

19

1 M. G. Say The performance & design of A.C. Machines.

2 B. L. Tharaja (Vol. II) Electrical Technology

3 U. A. Bakshi Electrical Circuit & Machine

4 B. H. Deshmukh Electrical Technology

5 A. K. Shawney Electrical Machine Design

6 R. K. Agarwal Principle of Electrical Machine Design.

7 S. K. Bhatacharya- Electrical Engineering Drawing

8 K. L. Narang Electrical Engineering Drawing

20

14. GENERATION & TRANSMISSION Teaching Scheme Examination Scheme Lectures : 4 Hrs/Week Theory Exam : 80 Marks Class Test : 20 Marks UNIT - I [12Hrs] Generation Of Electrical Energy (a) Conventional sources : 1.1 Thermal Power Plants: Silent features , selection of sites. Block representation, constituents of steam power station, working of each part. 1.2. Hydro Electric Power Station: Site selection, elements of hydro Electric plant, classification, turbines, hydroplant auxiliaries, hydrology. 1.3. Nuclear Power Plant : Block representation, fuel, isotopes of uranium, process of fission & fusion, chain reaction, different types of reactors. 1.4. Diesel Power Plant: Schematic arrangement of diesel power station & operation of different systems Comparison of various types of power stations. Important power stations of above types in India. (b) Non Conventaional Sources 1.5. Brief introduction to non conventional energy sources. (wind power plant, tidal power plant. Bio mass & Bio gas, Solar, MHD system of power generation), development in power generation using non-conventional sources in India. UNIT – II [7 Hrs] Load Curves & Economic Aspects Different factors connected with generating station such as load factor, demand factor, divercity factor, plant capacity and plant use factor. Load curve, load duration curve, capital and operating costs of different power plants. Methods of providing depreciation, effect of load and diversity factor on the cost of generation selection of unit in power stations. Types of tariffs, requirements of tariffs, factors affecting tariffs. Base load and peak load stations, economic arrangement of different types of station combinations, economics of load sharing. UNIT – III [4 Hrs] Current Limiting Reactors Classification and substations, advantages and disadvantages, main connection schemes, equipments in substations, busbar arrangements on high and low voltage systems for substations, diagrammatic layout of substation, Indian electricity rules and acts. UNIT – IV [7Hrs] Transmission Line Components Line Supports , Poles, towers and their types. Cross arms and clamps, guys and stays. Conductors, characteristics of conductor material, types (solid, stranded and bundled). Insulators types and applications. Potential distribution over a string of insulators, methods of equalizing the potential, string efficiency. Requirement of material, failure of insulator, testing and protection of insulators.

21

Unit II [6Hrs] Transmission Line Parameters Resistance : resistance of line – skin effect – proximity effect – Kelvin’s law. Inductance and Capacitance : calculation of Inductance and capacitance of single phase and three phase for single circuit and double circuit transmission line. Circuit Representation of Transmission Line: Representation and performance of short and medium transmission line, Losses, Efficiency and regulation of line. Unit III [6Hrs] Mechanical Design Of Transmission Line Sag : Catenary curve – calculation of sag and tension – effects of wind and ice loading sag templates – vibration dampers. Corona and interference : Phenomenon of corona – corona formation – calculation of potential gradient –corona loss – factors affecting corona – methods of reducing corona and interference – Electrostatic and Electromagnetic interference with communication lines. Reference Books: 1. Electrical Power - Dr.S. L. Uppal 2. Elements of Electrical Power, Transmission and Distribution - M.V. Deshpande 3. A Course in Electrical Power - Chakrabarti, Soni, Gupta, Bhatnagar 4. Electrical Power - V.K. Mehta 5. Electrical Transmission and Distribution - H. Cotlon 6. Power Station Design - M.V. Deshpande 7. A Course in Electrical Power - J.B. Gupta 8. Energy Technology - S. Rao & Dr. B. B. Panelkar

22

15. NETWORK ANALYSIS

Teaching Scheme Examination Scheme Lectures : 4 Hrs/Week Theory Exam : 80 Marks Class Test : 20 Marks UNIT I [6 Hrs] Basic Concept 1.1Circuit concepts & conventions: Charge & energy RLC parameters reference direction for current & voltage, active element convention, dot convention for coupled circuits. 1.2 Network Equations: Source transformation formulation of network equation, loop variable analysis, node varivable analysis, duality, state variable analysis. UNIT II [8 Hrs] Network Theorems Introduction, Thevenins theorem, Norton theorem, Superposition theorem, Maximum power transfer theorem, Millmans, Reciprocity, Substitution, Compensation, Tellegens Theorem. UNIT III [8 Hrs] Initial Conditions in networks Review of Laplace Transformation Initial condition in networks. Initial condition in circuit element procedure for evaluation of initial condition. UNIT IV [6 Hrs] Two Port Networks Short circuit admittance, open circuit impedance, transmission and inverse transmission, hybrid and inverse hybrid parameters. Relation between parameter sets, T,, Ladder, lattice, twin T networks. Input and out put impedance in terms two port parameters. Interconnection of networks. Symmetry and reciprocity. UNIT V [6Hrs] Network Functions Network function for one port and two port networks: ladder networks, general network, poles and zeros of network functions, Restriction on poles and zeros for driving point functions and transfer functions. UNIT VI [6Hrs] Sinusoidal Steady state Analysis The sinusoidal steady state, sine function oppositely rotating phasor, steady state response using phasor, frequency response of electrical network Input power, power transfer & Insertion loss of two port network, rms value, average power & complex power, problems in optimizing power transfer. Reference Books: 1] Network Analysis- M.E.Van Valkenburg - Prentice-Hall India Pvt.Ltd.

2] Networks & System- D.Roy Choudhury - New Age International.

3] Circuit Theory (Analysis and Synthesis) – A.Chakrabarti-Dhanpat Rai Publication.

4] Network Analysis – G.K.Mithal-Khanna Publication.

23

16. LINEAR AND DIGITAL INTEGRATED CIRCUITS

Teaching Scheme Examination Scheme Lectures : 4 Hrs/Week Theory Exam : 80 Marks Class Test : 20 Marks

UNIT I [8Hrs] Basic circuits for Analog ICs Current sources – Widlar, Wilson and MOSFET voltage sources active level shifters, single supply operation and biasing, external offset, and its compensation. The characteristics of the Operational Amplifiers, open loop and closed loop operations, thermal drift, Important Parameters- Power supply rejection Ratio, Slew rate, gain etc UNIT II [8Hrs] Applications of Operational Amplifier AC amplifiers, Norton Amplifier, Instrumentation amplifier, Isolation amplifier with strain gauge and thermister with signal conditioning circuits. Precision full wave and half wave rectifiers, comparators and Schmitt trigger, peak detector clipper and clamper circuits. UNIT III [8Hrs] Other applications, Basic applications –multipliers, deviders, square root, Adder, sub tractor etc Waveform generators-Multi vibrators, sine, square, triangular generators, Study of ICs- 8038, 555, 556, LM 324, 741, LM380 UNIT IV [8Hrs] Digital Electronics Number systems- Binary, Octal, Hexadecimal, conversion methods, Binary addition and subtraction method, 1’s and 2’s compliment method. Concept of coding, BCD codes, 8421, Excess-3, Gray code, codes more than 4-bits, ASCII code UNIT V [8Hrs] Logic Circuits, Logic families: TTL NAND gate, specifications, tri state TTL, ECL, MOS, CMOS families, and their interfacing. UNIT VI [8Hrs] Combinational logic Code conversion, arithmetic circuits, Half and full adder, Subtractor, Binary serial and parallel Adder, IC 7483, BCD Adder, Excess-3 Adder, Digital comparator. Multiplexer, Demultiplexer, Encoder, Decoder and their applications, Design of ALU.

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Reference Books: 1: Ramakant Gaikwad- Op AMP & ICs -PHI.

2 D. Roy Chaudhary- Linear Integrated circuits-PHI.

3: G B Clayton- Op Amps- ELBS

4. K R Botkar- Integrated circuits-Khanna Publisher

5. R P Jain- Modern digital Electronics-TMH

6. Tocci- Digital Systems and applications.-PHI

7. Douglas Halls- Digital circuits and Systems-McGH

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17. ELECTRICAL WORKSHOP – MINI PROJECTS

Teaching Scheme Examination Scheme Practicals : 2 Hrs/week TermWork : 50 Marks

LAB TERMWORK [8Hrs] Term work will consist of hands on experience repairs/ development record of minimum two electrical & two electronic equipments carried out of following. 1. Repairing of submersible water heater operated by single phase. 2. Rewinding of electrical motors. 3. Repairs of any indicating instruments like, ammeter/voltmeter. 4. Design, fabrication of heater for any application. 5. Repair of electronic device like, Doorbell/electronic toys. 6. Repair of electronic device like, audio amplifier. 7. Repair of electronic device like, experimental kits in lab. 8. Design & fabrication of any electronic usable circuit. 9. Repairing & maintenance of domestic appliances like mixer, ceiling fan, table fan, fluorescent tube, water gazer.

Reference Books:- 1: Flowler, Electricty- Principals & applications- Tata McGraw- Hill Publishing

2. Lab Manual – Electronics- Tata McGraw- Hill Publishing

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18. TRANSFORMER THEORY & DESIGN LAB.

Teaching Scheme Examination Scheme Practicals : 4 Hrs/week TermWork : 50 Marks Practical : 50 Marks List of Experiments: 1. Open circuit and short circuit tests on a single phase transformer. (Calculation of

equivalent circuit diagram parameters, efficiency and regulation)

2. Polarity test on single phase and three phase transformers.

a) Using ac supply and voltmeter.

b) Using battery, tap-key and dc galvanometer.

3. Study of standard connections for three phase transformers, line to line voltage

ratios and phasor groups.

4. Sumpner’s test on two identical single phase transformers.

5. Parallel operation of Single phase transformer.

6. T- connection of two single phase transformers on no load and at balanced load

7. V- connection of two single phase transformers on no load and at balanced load

8. Oil testing

Note: The term work shall consist of the record of all five experiments based on the

course outline above. In design, a report of design of transformer is prepared which will contain the entire design procedure, calculations and sketches with dimensions calculated on 1/8 size drawing paper.

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19. GENERATION & TRANSMISSION LAB. Teaching Scheme Examination Scheme Practicals : 2 Hrs/week TermWork : 25 Marks Practical : 25 Marks Term-Work: The Term-Work shall consist of Two Drawing sheets on following topics and visit report to any one power station 1. Schematic layout of Power Plant. 2. Lay-out of busbar arrangement of generating station switchyard or primary receiving station switchyard. 3. Transmission line components. NOTE: A literature survey report submission regarding

(i) Power scenario of India and Maharashtra, (ii) Need & scope for renewable energy power plants in India

Drawing Sheets: 60% Power Plant visit: 20% List Survey: 20%

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20. NETWORK ANALYSIS LAB.

Teaching Scheme Examination Scheme Practicals : 2 Hrs/week TermWork : 25 Marks Practical : 25 Marks List of experiments: The term work should consist of Minimum of seven experiments out of the following. 1] Determination of frequency-response of an R-C series circuit.

2] Verification of Superposition Theorem.

3] Verification of Thevenin’s Theorem.

4] Verification of Reciprocity Theorem.

5] Verification of Tellegens Theorem.

6] Determination of parameters of a two-port network.

7] Determination of parameters of Coupled circuits.

8] Determination of Resonance, Bandwidth and Q-Factor of an R-L-C Series circuit.

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21. LINEAR AND DIGITAL INTEGRATED CIRCUITS LAB.

Teaching Scheme Examination Scheme Practicals : 2 Hrs/week TermWork : 25 Marks Practical : 25 Marks

List of Experiments: Note: The term work shall consist of the record of minimum 8 experiments based on the course outlined above. 1. Study of characteristics of typical 74 TTL / 74 CMOS family like: fan in, fan out Standard load, noise margin & interfacing with other families. 2. Half, Full Adder and subtractor using gates and ICs. 3. Code conversion using digital IC’S 4. Function implementation using Multiplexer and Demultiplexer. 5. Sequence generator using MSJK flip flop IC’S. 6. Study of shift registers: Shift left, Shift right, parallel loading, and pulse train generator. 7. Testing precision full and half wave rectifier. 8. Waveform generator Ics and their circuits 9. Testing of circuit s using IC 555, Astable and Monostable mode. 10. study of characteristics of ICs- 8030, 556 11. Some of the Following experiments should be implemented using PSPICE or MATLAB i] Schmitt trigger ii] Integrator and differtiator, iii] Precision rectifier iv] PLL/Log antilog/555 circuits