1

COURSES OF STUDY (Syllabus) T. Y. B. TECH. (Electrical Engineering) (Effective from Academic Year 2013-14)

Department of Electrical Engineering, SGGS Institute of Engineering and Technology, Vishnupuri,

Nanded-431606 (MS), India (An autonomous institute established by Govt. of Maharashtra)

2

COURSES OF STUDY (Syllabus) T. Y. B. Tech. (Electrical Engineering)

(Effective from Academic Year 2013-14)

STRUCTURE

Industrial training note: Industrial training is mandatory for all the T.Y. B-tech student in the summer vacation. Credits will be granted in final year after presentation on the training report. Attendance Criteria: Students have to maintain 75% attendance in all the registered courses in a semester to be eligible for appearing examinations.

Course Code

Name of The Course Total No. of Credits

Lectures /Week

Tutorials /Week

Practical’s /Week

SEMESTER I EE301 Electrical Machines-II 5 4 - 2 EE302 Power System-I 5 4 - 2 EE303 Digital Signal Processing 4 3 - 2 EE304 Electromagnetic Fields 4 3 1 - EE305 Microprocessor Fundamentals

& Applications 4 3 - 2

EE306 Electrical Installation & Design 1 - - 2 Sub Total 23 17 1 10

SEMESTER-II EE307 Power System-II 5 4 - 2 EE308 Control System-I 5 3 1 2 EE309 Power Electronics 5 3 1 2 EE310 Microcontroller & Applications 4 3 - 2 EE311 Power Plant Engineering 3 3 - - EE312 Mini Project and Seminar 1 - - 2 Sub Total 23 16 2 10

Total 46 33 3 20

3

SEMESTER-I EE301 Electrical Machines-II (5 Credits, L-4, T-0, P-2) Course objectives:

1. To introduce fundamentals, physical concepts, and operating principles of AC machines and special machines.

2. This course aims at building a strong foundation of student in synchronous machines and Induction motors with their advantages and disadvantages.

Syllabus: Unit 1 Synchronous Generators or Alternators: (10 Hours) Classification of A.C. Machines, Ferraris Principle, Production of 2- phase and 3-phase rotating magnetic fields, principle of operation and constructional (salient and non-salient pole) features of synchronous generators. Production of sinusoidal alternating EMF and its frequency, armature winding, winding factor, EMF equation. Harmonics in voltage waveform, leakage reactance, armature reaction. Short circuit ratio, synchronous reactance, synchronous impedance, determination of voltage regulation (by Potier, EMF, MMF methods), power developed by synchronous generators, phasor diagrams, transient conditions, losses and efficiency. Unit 2 Parallel Operation of Alternators: (06 Hours) Conditions for parallel operation , Load sharing between two alternators in parallel, Parallel-Generator theorem Process of synchronizing an alternator with infinite bus-bars by lamp methods & by use of synchroscope. Synchronizing torque, power and current. Unit 3 Synchronous Motors: (08 Hours) Construction & principle of operation, various methods of starting, phenomenon of hunting or phase – swinging – its remedies. Operation of 3-phase Synchronous motor with constant excitation & variable load. Significance of torque angle, load characteristics Phasor diagram on the basis of synchronous impedance. Power flow chart, losses. Operation of 3-phase synchronous motor with a constant mechanical load on its shaft & variable excitation. ‘V’ Curves &‘Inverted V’ (pf) curves. Merits and demerits of synchronous motors & its application. Unit 4 Three Phase Induction Motors: (08 Hours) Construction & principle of operation, types of I.M, slip, frequency of rotor current, rotor EMF, current, pf and torque. Phasor diagrams, different torque equations and relation between them. Torque-Slip, current-speed and Torque- Speed Characteristics, Losses and efficiency. Circle

4

diagrams, starters. I.M tests, cogging and crawling, speed control, deep bar/ double cage rotor, induction generator. Applications, advantages and disadvantages of I.M. Unit 5 Single Phase Induction Motors: (06 Hours) Introduction, single phase induction motors, double revolving field theory, circuit model of single phase induction motor, determination of circuit parameters and types of single phase I.M. Torque-slip characteristics & applications. Comparison of 1-phase induction motor with 3-phase induction motor. Unit 6 Special Motors: (06 Hours) Construction, principle of working, characteristics, ratings & applications of Brushless DC motors, Permanent Magnet motor, linear induction motors, AC series motors, universal motors, repulsion type motors, Schrage motor, servo motors, hysteresis motor. Text/Reference Books:

1. I J Nagrath, D P Kothari; “Electric Machines,” Tata McGraw Hill Publication. Second Edition (Reprint) 2003.

2. A.E.Fitzgerald, C.Kingsley, S.D.Umans. “Electrical Machinery” Tata McGraw Hill. Sixth Edition 2002.

3. B.L.Theraja, A.K. Theraja, A Textbook of Electrical Technology, Vol-II, S.Chand & Co., New Delhi,2005.

4. Say.M.G - Performance & Design of Alternating Current Machine.(English Language Book Society), CBS Publisher (2002).

5. Ashfaq Hussein - Electrical Machines, Dhanpat Rai Publication (2012). 6. Bhimbra.P.S – Electrical Machines), Khanna Publication (2011). 7. J.B. Gupta – Electrical Machines, SK Kataria & Sons Publication (2010).

Term work: It will consist of a record of at least eight experiments from the following list based on the prescribed syllabus.

1. O.C. and S.C. test on Alternator: Determination of its regulation by the EMF method and MMF method.

2. Direct loading test on three phase Alternator. 3. Determination of axis reactance’s of salient pole synchronous machine- Slip Test. 4. Zero power factor test on alternator: Regulation by Potier method and A.S.A. method 5. Synchronizing of alternators: Lamp Methods and use of synchroscope. 6. Load test on three phase squirrel cage induction motor. 7. Determination of Squirrel cage induction motor performance from Circle diagram. 8. Load test on three phase Slip ring induction motor. 9. Effect of rotor resistance on starting torque and maximum torque for three phase Slip

ring induction motor. 10. Load test on single phase induction motor. 11. Operation of induction motor as induction generator. 12. “V” and “inverse V” curves of synchronous motor at no load and constant load.

5

13. Load test on Synchronous motor at various voltages and frequency. 14. Load test on Induction motor at various voltages and frequency. 15. Study of induction motor starters.

Practical Examination: The examination will be of three hours duration and will consist of an experiment based on term-work and followed by an oral based on above syllabus. EE302 POWER SYSTEM-I (5 Credits, L-4, T-0, P-2) Course objectives:

1. Introduction to basic concepts of power systems. 2. A brief introduction to transmission, distribution and economic operation of power

systems is included with an intension to provide a base to Power System Stability and Control to be studied in next semester of the course.

Syllabus: Unit 1 Introduction: (06 Hours) A brief introduction to generating stations, structure of power systems, growth of power system in India, present Indian power industry, power system engineering and power system studies, GRID formation, concept of National GRID, overview of conventional and non conventional power generation. Complex power: Introduction, concept of real, reactive and complex power and their effects on power system Operation, per unit system, change of base. Unit 2 Over Head Transmission Lines, Transmission line parameters: (08 Hours) Resistance, Inductance: Definition, Inductance due to internal flux of two wire single phase line of composite conductor line, Concept of GMD, Inductance of three phase line with equal & unequal spacing, vertical spacing. Capacitance: Concept of electric field, Potential difference between two points in space, Effect of earth’s surface on electric field, Computation of capacitance of single phase, three phase transmission lines with & without symmetrical spacing for solid & composite conductors. Concept of GMR and GMD, Skin effect, Proximity Effect, bundled conductors. Unit 3 Sag, Insulators and Corona: (06 Hours) Sag and tension in case of supports at unequal levels effect of wind pressure and ice covering on conductor sag. Introduction to transmission line poles. Insulators: Pin type, suspension type, strain type and shackle type insulators. Potential distribution over suspension insulators string. String efficiency methods of improving string efficiency. Testing of insulators. Corona: Theory

6

of corona formation, factors affecting corona, critical disruptive voltages, visual critical voltages and power loss due to corona, and methods of reducing corona effect. Unit 4 Transmission Lines representation, Performance and Circle Diagram Representation of Power System: (08 Hours) Single line diagram and impedance or reactance diagram. Per unit methods of representation of system and its components such as transformers (1 phase/3 phase) Two winding / Three winding) Synchronous machines (motors and generators) load. Performance of Transmission Lines: Classification lines such as short, medium, long lines Voltages and currents at sending end and receiving end of the lines. Determination of generalized ABCD constants in them. Circle Diagram: Sending end and receiving power circle diagrams, universal power circle diagram. Unit 5 Distribution: Overhead Feeders, Underground Cables: (10 Hours) a) AC/DC systems. b) Primary/Secondary systems. c) Overhead feeders. Connection Schemes of Distribution System: Radial system, Ring main system, interconnected systems, functions of feeders and distributors. Calculation of currents fed and voltage drops for distributions with concentrated A.C. loading and fed at one end and Ring mains. Underground Cable: Requirements of underground cables and cable insulating materials, cable construction, Insulation resistance, capacitance and dielectric stress in single core cable. Grading of cables, Capacitance grading inner sheath grading capacitance of 3 core cables. Belted cables, Screened cables and pressure cable. Methods of laying underground cables and over head lines. Unit 6 Substations and Economic Operation of Power Systems: (06 Hours) Sub Stations: Substation types and their location major equipment in substation and its function. Bus bar arrangements, Single bus bar system. Duplicate bus bar systems, distribution Sub-station and high voltage substations, economic distribution of load between generating units within a plant, Economic distribution of load between plants, penalty factor, loss coefficients and hydro thermal coordination. Text/Reference Books:

1. C.L. Wadhwa, Generation, Distribution and Utilization of Electrical Energy,New Age International, 2002.

2. C.L. Wadhwa, Electrical Power Systems, 33rd Edition, New Age International, 2004. 3. Modern Power System Analysis’ by I. J. Nagrath, D. P. Kothari, 3rdEdition, Tata

McGraw Hill Publishing Co. Ltd., 2003. 4. M.L. Soni, Gupta and Bhatnagar, A Course in Electrical Power, Dhanpatrai Publication,

2011. 5. J.B. Gupta, “Electrical Power”, SK Kataria & Sons(2012). 6. ‘Power system analysis’ by Hadi Sadat, McGraw Hill International, 1999.

7

Term work: It will consist of a record of the following experiments based on the prescribed syllabus.

1. Study of different equipments used in power station. 2. Study of different components of power system. (e.g. different types of line conductors,

insulators,) 3. Three exercises on calculation and drawing of circle diagram 4. Three exercises on circle diagram simulation and verification of calculations by hand. 5. Two exercises on calculation of L parameters of transmission line (software based) 6. Two exercises on calculation of C parameters of transmission line (software based) 7. Comparison of performance of a given transmission line by nominal T, nominal pi

and End condenser methods. 8. Study of different effects of power system. (E.g. skin effect, Ferranti effect, proximity

effect, surge impedance loading). Note: The computational work is to be carried preferably by using software tools like MATLAB, Scilab. EE 303 Digital Signal Processing (4-Credits, L-3, T-0, P-2) Course objectives:

1. To introduce basic concepts of Digital Signal Processing and filter design. 2. Introduction to wavelet transform and its applications in electrical engineering.

Syllabus: Unit 1 Discrete time signals and systems in the time domain: (8 Hours) Introduction to signal and signal processing, classification of signals, signal processing operations, examples and applications. Discrete time signals, typical sequences and sequence representation, the sampling process, Discrete time systems, Time domain characterization of LTI discrete time systems, Finite dimensional LTI Discrete time systems, correlation of signals, Random signals. Unit 2 Discrete Time signals in Transform domain: (10 Hours) Discrete time Fourier transform, Discrete Fourier Transform, Relationship between the DTFT and the DFT and their inverses, Discrete Fourier Transform properties, Computation of the DFT of real sequences, Linear convolution using the DFT, The Z-transform, ROC of the rational Z-transform, Inverse Z-transform, Z-transform properties, Transform domain representation of random signals.

8

Unit 3 LTI Discrete time systems in Transform Domain: (6 Hours) Finite dimensional Discrete time systems, the frequency response, the transfer function, types of transfer functions, Simple digital filters, All pass Transfer function, Minimum phase and maximum phase transfer functions, Complementary transfer functions, Inverse systems, Systems identification, Digital two pairs. Unit 4 Digital Filter Structures: (6 Hours) Block diagram representation, equivalent structures, Basic FIR structures, Basic IIR structures, All pass filters, IIR tapped cascaded lattice structures, FIR cascaded lattice structures. Unit 5 Digital Filter design: (6 Hours) IIR filter design – Bilinear transformation, Impulse invariant transformation, Low pass IIR digital filters, Spectral transformations, FIR filter design using windowing techniques, Frequency sampling technique, and Computer aided design. Unit 6 DSP Algorithm Implementation: (6 Hours) Computation of DFT, FFT algorithms, Decimation in time, Decimation in Frequency, Different algorithms of FFT such as DIT and DIF where input and output is in order, radix-n algorithms and Applications of DSP. Text/Reference Books:

1. E. C. Ifeachor, B. W. Jarvis, Digital Signal Processing- A Practical Approach, Second Edition, Pearson Education, New Delhi, 2002.

2. S. K. Mitra, Digital signal processing- A computer based approach, Tata McGraw Hill, 2002

3. A.V. Oppenheim, R, W, Schafer, Discrete time signal processing, Prentice-Hall of India, 2001.

4. J. G. Proakis, D. G. Manolakis, Digital signal processing –Principles, algorithms and applications, Prentice Hall of India, 2002.

5. R. G. Lyons, “Understanding Digital Signal Processing”, Pearson Education New Delhi, 1999.

Term work: Term work shall consist of at least six to eight practical’s based on above syllabus. Some of the experiments may be from the following list.

1. Digital signal generation 2. Simple operations on signals 3. Linear Convolution 4. Discrete time Fourier transform 5. Discrete Fourier Transform - Direct computation, DIT algorithm, DIF algorithm 6. FIR filter design and software realization by windowing and Frequency sampling

9

7. IIR Filter Design and software realization of Butterworth and Chebyshev approx. 8. Any other experiment decided by the teacher

Practical Examination: The examination will be of three hours duration and will consist of an experiment based on term-work and followed by an oral based on above syllabus. EE304 Electromagnetic Field (4 Credits, L-3, T-1, P-0) Course objectives: 1. Understanding of basic concepts of Vectors. 2. Understanding of basic concepts of Electrostatic fields and Electromagnetic fields. 3. Study of Maxwell’s Equations Syllabus: Unit 1 Vector analysis: (06 Hours) Vector Algebra, Rectangular Coordinate System, Vector Component, Vector Field, Dot Product, Cross Product, Circular and Cylindrical Coordinate System, Vector Calculus, Del Operator, Gradient of Scalar, Divergence of Vector and Divergence Theorem, Curl of a Vector and Stroke’s Theorem, Lapalcian of a Scalar, Classification of Vector Fields. Unit 2 Electrostatic Fields and Electric Fields: (08 Hours) Gauss’s Law- Maxwell’s Equation, Electric Potential, Relationship between E and V-Maxwell’s Equation, Electric Dipole and Flux Lines, Energy Density in Electrostatic Fields, Properties of Materials, Convection and Conduction Current, Conductors, Polarization in Dielectrics, Dielectric Constant and Strength, Linear , Isotropic and Homogenous Dielectrics, Continuity Equation and Relaxation Time, Boundary Conditions. Unit 3 Electrostatic Boundary-Value Problems: (06 Hours) Introduction, Poisson’s and Laplace’s Equations, Uniqueness Theorem, General Procedures for Solving Poisson’s and Laplace’s Equations, Resistance and Capacitance, Method of Images. Unit 4 Magneto Static Fields: (06 Hours) Biot- Savart’s Law, Ampere’s Circuital Law-Maxwell’s Equation, Application of Ampere’s Law, Magnetic Flux Density-Maxwell’s Equation, Maxwell’s Equation for Static Fields, Magnetic Scalar and Vector Potentials.

10

Unit 5 Magnetic Forces Materials and Devices: (08 Hours) Introduction, Forces due to Magnetic Fields, Magnetic Torque and Moment, Magnetic Dipole, Magnetization in Materials, Classification of Magnetic Materials, Magnetic Boundary Conditions, Inductors and Inductances, Magnetic Energy, Magnetic Circuits, Force on Magnetic Materials. Unit 6 Maxwell’s Equations: (06 Hours) Introduction, Faraday’s Law, Transformer and Motional Electromotive Forces, Displacement Current, Maxwell’s Equations in Final Forms,Time-Varying Potentials, Time Harmonic Fields. Tutorials: One hour per week is to be utilized to ensure that the students have properly learnt the topics covered in the lectures. This shall include assignments, quiz, test etc. The teacher may add any other academic activity to this so as to evaluate the student for his/her in-semester performance. Text/Reference Books:

1. “Electromagnetic Engineering”, William H. Hayt, Jr John A Buck, Tata McGraw Hill, 6th Edition.

2. “Electromagnetic Theory and Applications”, Ashutosh Pramanik, PHI Ltd 2nd Edition. 3. “Introduction to Electromagnetic Fields”, Paul, Clayton, Tata McGraw Hill (2007), 3rd

Edition. 4. “Electromagnetic Waves”, Shevgaonkar R.K., Tata McGraw Hill, 1st Edition. 5. “Elements of Electromagnetics”, M. Sadiku, oxford university press (2010), 4th Edition.

EE305 Microprocessor Fundamentals & Applications (4 Credits, L-3, T-0, P-2) Course objectives:

1. Study of microprocessor fundamentals, introduction to 8085 processor and to study assembly language programming.

2. Study of different interfacing with applications.

Syllabus: Unit 1 (08 Hours) Introduction to 8085: Architecture and operation, pin out diagram. Assembly language programming for 8085 microprocessor instruction classification, instruction set study in details, addressing modes, writing assembly language programs, stacks subroutines, floating point routines.

11

Unit 2 (06 Hours) Instruction set timing diagrams, a minimum configuration for 8085. Interfacing memories EPROM and RAM with 8085 with exhaustive and partial decoding techniques. Unit 3 (08 Hours) Interrupt structure of 8085, internal interrupt circuit, hardware and software interrupts, serial data transfer. Following structure programmable peripheral devices are to be studied in details as regards block diagram, software for their interfacing with 8085: 8255, 8253, 8279, 8251. Unit 4 (06 Hours) Bus interfacing standards- RS 232, IEEE 488. Interfacing application: Interfacing seven segment displays keyboard, A to D and D to A converter. Unit 5 (08 Hours) Microprocessor based data acquisition and control system: Temperature control system, Flow control system etc. Introduction to 8086, 80486, and Pentium processors. Text/Reference Books:

1. K. L. Short “Microprocessor and programming logic”, Second Edition, Prentice-Hall India Pvt. Ltd.

2. R. S. Gaonkar “Microprocessor Architecture, Programming and application with 8085/8085A”, Fourth Edition, Willey Eastern Ltd.

3. U. V. Kulkarni and T. R. Sontakke “The 8085A Basics: Programming and Interfacing”, Sadusudha Prakashan, Nanded.

4. Intel Mcs, “8085 users manual” Intel Corporation. 5. B. Ram “Fundamentals of microprocessor and Microcomputer”, Dhanpat Rai publishing

company Ltd.(2011).

Term work: It will consist of records of at least eight experiments from the following lists:

1. Interfacing 7-segment displays with 8255. 2. Interfacing Keyboard matrix with 8255. 3. Interfacing DAC 4. Interfacing ADC 5. Programming for 8253. 6. Software implementation of ADC 7. Observing timing diagram on CRO. 8. Study of interrupts. 9. Programming for speed and direction control of DC motor. 10. Programming for speed and direction control of stepper motor. 11. Assembly language programme based on lookup table concept 12. Study of hexadecimal, modulo-9, BCD counters 13. Assembly language programme for real time clock

Practical Examination:

12

The examination will be of three hours duration and will consist of an experiment based on term-work and followed by an oral based on above syllabus. EE306 Electrical Installation and Design laboratory: (1Credit, L-0, T-0, P-2) Course objectives:

1. To get acquainted with the electrical drawing principles, introduction to domestic and industrial electrical systems.

2. Subject is mainly emphasis on electrical system installation and design.

The laboratory consists of experiments based on following theory: Syllabus: Unit 1 Electrical Drawing Principles, Symbols, Single Line Diagrams (SLD), Introduction to common Electrical Components, such as contactor, switches, relays, timers, cables, lugs, connectors, MCCB, ELCB, panel meters etc. Different Tools Used: Screwdriver, Pliers of various types, wrench, and blowlamp, Precaution for using tools. Unit 2 Wiring System: Selection of types of wiring, Methods of wiring (Cleat, Casing capping, Metal sheathed and Conduit) Calculation and Estimation of power rating of different AC and DC machines. Electrical system design for a typical midsize housing complex, mechanical workshop, auditorium and IT industry, Estimation for a light and fan system, Process of tendering and Construction and Design of MCC and PCC for a typical industry. Unit 3 Complete arrangement of substation (Single and double bus bar), key diagrams for typical substations.Various types pole structure, Insulators, cables and their types. Review of Insulated Wires: Types: Rubber covered taped and compounded or VIR, Lead alloy sheathed, Tough rubber sheathed, Weather proof, Flexible wire splicing, Termination (Twist splicing, Married joint, Tap joint, Pig tail joint). Text/Reference Books:

1. Uppal. S. L– Electrical Wiring, Estimation & Costing, Khanna Publication (2008). 2. K.B. Raina &S.K. Bhattacharaya – Electrical Design Estimating & Costing, New age

international publishers (1991), 1st Edition. 3. Surjeet Singh, “Electrical Estimating and Costing” Dhanpat Rai and Company (P) Ltd,

Reprint 2008.

Term Work:

13

Minimum of SIX sheets based on the above curriculum from the following list should be performed. The teacher may add any other experiment or sheets based on above curriculum.

1. Electrical Symbols 2. Sub-station layouts. 3. Different types of Starters and their wirings 4. House wirings 5. Insulators and cables 6. Pole mounted sub-station 7. Industrial Wirings 8. Pole structures

SEMESTER-II EE307 Power System-II (5 Credits, L-4, T-0, P-2) Course objectives:

1. To analyze and prepare model of a Power System Network. 2. To study load flow using different techniques like Gauss Seidel method, NR – method &

Fast decoupled method. 3. To understand different techniques of determination of fault current for various faults in

power system.

Syllabus: Unit 1 Network Representation and Power Flow Analysis: (06 Hours) Loop Equations and Node Equations, Bus admittance and bus impedance matrix, network solution using matrix algebra. Load Flow Studies: Load flow problem Bus classification, Nodal admittance matrix, Network model formulation and development of load flow equations. Iterative methods of solution a) Gauss Sidel method b) Newton Raphson method c) Fast decoupled method. Unit 2 Symmetrical Components: (06 Hours) Symmetrical Components of Unsymmetrical phasors, power in terms of symmetrical components sequence impedances and sequence network of unloaded alternators and other power systems components network. Symmetrical Fault Analysis: Introduction to three phase modeling for fault analysis.

14

Unit 3 Unsymmetrical Fault Analysis: (08 Hours) Unsymmetrical faults on unloaded alternator and three phase power system with a) line to ground b) line to line c) double line to ground d) one conductor open fault e) Two conductor open fault, Simplified models of synchronous machines for transient analysis, Park’s transformation and determination of transients constants with numerical problems. Unit 4 Automatic Generation Control: (06 Hours) AGC, turbine generator models for real, reactive powers and frequency control, excitation systems, governor types and control, block schematics for alternator voltage regulator schemes and governors. Unit 5 Load Frequency Control: (08 Hours) Objectives, tie line bias control, flat frequency control, supplementary control, Interconnected areas, two area three area systems, state variable model for single, two & three areas, cross coupling between control loops (AVR AGC) Applications of modern control theory. Application of artificial intelligence, AGC using Kalman methods. Unit 6 Power System Stability: (08 Hours) Power system stability problem, Rotor dynamics, m/c representation, Swing equation, power angle equation for two m/c system, Steady state stability and transient state stability, equal area criterion for stability and its application. Numerical solution of swing equation, factors affecting transient stability, methods for improving stability of Power system. Text/Reference Books:

1. “Elements of Power System Analysis”, William Stevenson, Tata Mc Graw Hill(2001), 4th Edition.

2. “Power System Analysis”, I.J. Nagrath and D.P. Kothari, Tata Mc Graw Hill-Education (2007), 2nd Edition.

3. “Electrical Power System”, Ashfaq Husain, Cbs Publication (2009), 5th Edition. 4. “Power System Analysis”, Hadi Sadat, Tata Mc Graw Hill Edition, Copy 1999.

Term work: It will consist of a record of the following experiments based on the prescribed syllabus.

1. Determination of sequence n/w of synchronous m/c. 2. Determination of sequence n/w of Induction motor. 3. Solution to load flow problem using GS, NR and FD method using software. 4. Component analysis and component synthesis using various software tools. 5. Fault analysis of various faults like LG, LLG and LL faults at least 3 sets of software

experiments. 6. Four problems on stability using Equal area criteria. 7. Four problems on stability using swing curve plot.

15

Note:-The above set of computational work is to be carried preferably using softwares like MATLAB, Scilab, Maple, , Simulink, PowerWorld and SimPower etc. EE308 Control System- I (5 Credits, L-3, T-1, P-2) Course objectives:

1. The subject control systems will make the students familiar with input, output relation of control system.

2. Understand different techniques to analyze the system, like classical approach and modern approach.

Syllabus: Unit 1 Basic concept, Modeling and representation of control system and Components: (06 Hours) Open and closed -loop systems. Laplace transform review, transfer function of electrical, mechanical, thermal, Hydraulic system with dead time elements, Electric circuit analogs. Block diagram analysis and design of feedback systems, signal flow graph, mason’s rule, signal flow graphs of state equation. Unit 2 Time Domain Analysis: (08 Hours) State space representation, converting transfer function to state space and state space to transfer function, time response, poles, zero and system response, response of first, second and general second order system, system response with additional poles additional zeros, Laplace transform solution of state equations. Time domain solution of state equations. Unit 3 Stability and Steady State Error: (08 Hours) Concept of stability for linear systems, Absolute and relative stability, Routh criterion for stability and stability in state space, steady state error for unity feedback systems & disturbances non unity feedback systems, static error constants, and system type, steady state error specifications, sensitivity, steady state error for systems in state space. Unit 4 Root Locus Techniques: (06 Hours) Definition of root locus, Rules for plotting root loci, Root contour, stability analysis using root locus. Effect of addition of poles and zeros. Transient response design via gain adjustment, Root locus for positive feedback system, pole sensitivity.

16

Unit 5 Frequency Domain Analysis: (08 Hours) Frequency domain specification, Correlation between time and Frequency domain specifications, Bode plot, gain and phase margin, Effect of gain variation and addition of poles and zeros on Bode plot, Determination of transfer function from Bode plot, Concept of stability for linear systems, Absolute and relative stability, Routh stability criterion and its application in special cases. Nyquist stability criterion and stability margin, Polar plots. Unit 6 State Space Concept: (06 Hours) Concept of state and state variable, state equations of linear time-invariant and continuous data system. Matrix representation of state equation, Conversion of state variable model to transfer function, Canonical form, companion form, Jordan Canonical form, Solution of state equations. Concept of controllability and observability, Eigen values and stability. Tutorials: One hour per week is to be utilized to ensure that the students have properly learnt the topics covered in the lectures. This shall include assignments, quiz, test etc. The teacher may add any other academic activity to this so as to evaluate the student for his/her in-semester performance. Text/Reference Books:

1. “Control System Engineering”, Norman S. Nise, John Wiley and sons, 2004, 4th Edition. 2. “Feedback Control Dynamic System”, Franklin Powel, Pearson Education, 2002, 5th

Edition. 3. “Modern Control System”, Dorf and Bishop, Adison Wesley Longman, 1998, 8th Edition. 4. “Modern Control Engineering Eastern Economy”, K. Ogata, 2002, 4th Edition. 5. “Control System Principles and Design”, M. Gopal, Tata Mc Graw Hill, 2008, 3rd

Edition. Term work: It will consist of records of at least eight experiments from the following lists:

1. To create transfer function using MATLAB 2. To convert transfer function to state space and vice versa 3. Calculation of state transition matrix, state X (t), Eigen values using MATLAB 4. To evaluate the effect of pole and zero location upon the time response of first and

second order systems using MATLAB. 5. To evaluate the effect of additional poles and zeros upon the time response of second

order system 6. To convert the given state space equation into diagonal form using MATLAB and to

determine stability of a system using MATLAB 7. To verify the effect of open loop poles and zeros upon the shape of the root locus, and to

design a system by varying gain with the help of root locus in MATLAB. 8. To sketch Nyquist and Bode plot using MATLAB. 9. To determine the transfer function of a separately excited DC motor. 10. To simulate RL, RLC circuit using Simulink in MATLAB.

17

Note: The computational work is to be carried preferably by using software tools like MATLAB, Scilab. Practical Examination: The examination will be of three hours duration and will consist of an experiment based on term-work and followed by an oral based on above syllabus. EE309 Power Electronics (5 Credits, L-3, T-1, P-2) Course objectives:

1. To introduce power semiconductor switches and their application. 2. A brief introduction to Phase Controlled AC to DC Converters, DC to DC converters,

Switch mode DC –AC Inverters and Cycloconverters. Syllabus: Unit 1 Power Semiconductor Switches: (08 Hours) Characteristics of ideal switch. Characteristics, Rating, protection and cooling of power semiconductor devices such as power diodes, transistor, MOSFET, IGBT and GTO, Study of the driver circuits for thyristor, GTO and IGBT, Introduction to smart power modules, Comparative study of MOSFET, thyristor, GTO, BJT and IGBT. Unit 2 Rectifiers: (06 Hours) Single phase half wave and single phase full wave diode bridge. Three phase half wave and three phase full wave diode bridge, Transformer power rating for above configurations. Unit 3 Phase Controlled AC to DC Converters: (08 Hours) Classification of converters Single phase half controlled and fully controlled thyristor converters, Three pulse and six pulse controlled converters operation of converter with freewheeling diode. Effect of source inductance on the performance of the converter, overlap – angle. Performance factors for the converter such as displacement factor, distortion factor, total harmonic distortion, ripple factor and transformer utilization factor. Introduction to 12 pulse converter, ingle phase and three phase dual converter, firing scheme for 1 phase and three phase converter, Brief introduction to commutation methods. Unit 4 DC to DC Converters: (06 Hours) Control of DC to DC converters, step down (buck) converter, Analysis of buck converter with RLE load step up converter, buck – boost converter, full DC to DC converter, concept of multiphase choppers.

18

Unit 5 Switch Mode DC – AC Inverters: (08 Hours) Basic concepts of switch mode inverters single phase inverter, three phase six step inverter, 120 mode of conduction 180 mode of conduction, three phase PWM Inverter, sinusoidal PWM and selective harmonics elimination methods of PWM. Effect of blanking time on output voltage in PWM inverters, Introduction to three level inverters. Unit 6 Cycloconverters: (06 Hours) Single phase to single phase and three phase to single phase cycloconverter circulating, non circulating currents mode operation. Three phase to three phase cycloconverter, Introduction to matrix converters. Tutorials: One hour per week is to be utilized to ensure that the students have properly learnt the topics covered in the lectures. This shall include assignments, quiz, test etc. The teacher may add any other academic activity to this so as to evaluate the student for his/her in-semester performance. Text/Reference Books:

1. “Modern Power Electronics and A.C. Drives”, B.K. Bose, Prentice Hall of India Pvt. Ltd. Publication.

2. “Power Electronics, Converter Applications and Design”, Mohan, Undeland & Robins, John Wiley and sons (Asia) Pvt. Ltd.

3. “Power Electronics, Circuits, Devices and Applications” M.H. Rashid, Pearson Education Inc., 3rd Edition.

4. “Power Electronics”, P. S. Bhimra, Khanna Publishers(2010). 5. “Thyristorised Power Controller”, G. K. Dubey and Others, Wiley Eastern Ltd.

Term work: The laboratory consists of minimum EIGHT experiments from following list.

1. Voltage and current relationship in 3 phase full wave diode bridge rectifier and study of input current harmonic spectrum.

2. Study of firing circuit of single phase full wave half controlled converter and load side performance evaluation.

3. Study of firing circuit of single phase full wave full controlled converter, continuous and discontinuous modes of operation.

4. Firing circuit scheme for 3-phase full wave half controlled converter and load side performance evaluation of the converter.

5. Study of 6 pulse full controlled converter with R and RL load and evaluate the load side performance.

6. Study of triac based single phase AC voltage controller. 7. Study of Class B commutation method for Thyristor (Morgan’s circuit). 8. Study of Class D commutation method for Thyristor (Jone’s circuit). 9. Study of MOSFET based for step up chopper.

19

10. Control circuit study of single phase PWM Inverter. 11. Load side performance evaluation of 3 phase square wave Inverter. 12. Study of single phase to single phase cycloconverter.

Practical Examination: The examination will be of three hours duration and will consist of an experiment based on term-work and followed by an oral based on above syllabus. EE310 Microcontroller & Applications (4 Credits, L-3, T-0, P-2) Course objectives:

1. Detailed understanding of one microcontroller 8051. 2. Emphasis on industrial applications.

Syllabus: Unit 1 Architecture of 8051: (08 Hours) Difference between Microprocessor and Microcontrollers, Harvard and Von- Neumann architectures, Advantage of microcontrollers, Overview of 8051 family, 8051 features, internal architecture, Pin out and pin functions, internal data memory, banks, registers, user memory, stack. SFR area, PSW, Code memory space,(Internal/External), External Data memory space Ports, and port structure, clock circuit. Unit 2 Instruction Set and Programming: (06 Hours) Instruction set, Data movement instructions, Addressing modes, Jump/Loop/call instructions, Arithmetic instructions, signed/unsigned arithmetic in 8051, Logic Instructions, Bit oriented instructions, I/O programming using Boolean Instructions, Assembler directives, Assembly programming of 8051 using IDE. Introduction to C programming for 8051, data types, using pointers, Development tools for 8051 programs. Unit 3 Interrupts and Timers: (08 Hours) Interrupt structure of 8051, writing ISR, interrupt blocking conditions, interrupt priorities, Programming for external interrupt. Timers in 8051, Timer block diagram and function, Timer modes 0, 1, 2 and their Applications, Programming timer interrupts. Unit 4 Serial Communication for 8051: (06 Hours) Serial communication modes in 8051, RS232 signals of PC, Port expansion using serial communication, Multiprocessor Communication mode.

20

Unit 5 Interfacing with 8051: (08 Hours) Interfacing external memory (RAM/ROM) to 8051, Display interfacing, Thumbwheel interfacing, (Static/Multiplexed), LCD interfacing, Keyboard interfacing, Interfacing of ADC and DAC to 8051, Stepper motor, Relay interfacing, RTC interfacing, Case studies of temperature controller, Mains frequency meter, Batch counter. Text/Reference Books:

1. “8051 and Embedded Systems”, Mazidi, Pearson Publisher (2007), 2nd Edition. 2. “8051 Architecture, Programming and Applications”, Kenneth Ayala, West publishing

company. 3. Keil A51, BL51 and C51 manuals. 4. Atmel Data manual. 5. www. keil.com, www.8052.com, www.intel.com, www.atmel.com

Term work: It will consist of records of at least eight experiments from the following lists:

1. Assembly programming to illustrate various instructions. (Minimum 6 programs). 2. Block transfer, addition, multiplication, division, string operation, finding maximum, 3. Minimum, nested delay routine etc, programming using internal and external data

memory. 4. Introduction to Keil IDE, Using Keil IDE to assemble a readymade program, Hex file

format, down loading into 8051 and running the program. Assembly of basic 8051 using C, (Sample programs minimum 2).

5. Study of timers and interrupts. 6. Study of serial communication modes. 7. Study of multiprocessor modes. 8. Interfacing with 8051 – (any 6 programs from the following list):

a. Multiplexed LED display interfacing. b. LCD Interfacing. c. Keyboard interfacing. d. ADC interfacing. e. Thumbwheel interfacing. f. DAC interfacing. g. Batch counter. h. Design of Temperature Indicator and Controller. i. Design of Mains frequency Meter.

Practical Examination: The examination will be of three hours duration and will consist of an experiment based on term-work and followed by an oral based on above syllabus.

21

EE311 Power Plant Engineering (3 Credits, L-3, T-0, P-0) Course objectives:

1. To introduction concept of load and energy survey and plant economics and introduction to conventional energy sources.

2. A brief study of thermal, nuclear, hydro power plant. Syllabus: Unit 1 (06 Hours) Load and Energy survey, load duration curve, plant factor and plant economics, Introduction to conventional energy sources, different sources of non-conventional energy like solar, wind, tidal, geothermal biomass, MHD plants, their applications and site selection, Indian energy scenario. Unit 2 (08 Hours) Thermal Station: Introduction, selection of sites, main parts and working of boilers, air preheater, super heaters, steam prime movers. Condensers, spray pond and cooling tanks. Coal classification and analysis, liquid fuels, gases fuel, handling and combustion equipments, ash handling and disposal, electrostatic precipitation, feed water treatment, steam and steam purity, layout of steam station, simple numerical examples. Unit 3 (06 Hours) Hydroelectric Power Plant: Advantages and limitations, selection of site, hydrological cycles and hydrographs, storage and pondage, essential elements of hydroelectric plant, classification, different types of turbines and their selection, governing of hydraulic turbines, surge tanks, draft tube, layout of hydro-station, simple numerical. Unit 4 (08 Hours) Nuclear Power Plant: Review of atomic physics (atomic number, mass number, isotopes, atomic mass, unit rate of radioactivity, mass equivalent number, binding energy and mass defects), main parts of nuclear power station, types of reactors (pressurized water reactor (PWR), boiling water reactor, gas cooled reactor, liquid metal tank feeder reactor, heavy water reactor, plant layout and working, simple numerical, India’s nuclear power program. Unit 5 (06 Hours) Diesel Engine & Gas Power Plant: Advantage and limitations, types of diesel plants, general layout, IC engines and their performance characteristics, layout of diesel engine power plant and applications. Components of gas power plant, gas turbine fuels, turbine fuels, turbine materials, working, improvement of thermal efficiency of gas power plant and applications, simple numerical examples. Unit 6 (06 Hours) Combined working of power plants: Economics of combined working power plants, base load and peak load stations, pumped storage plants, inter- connections of power stations. Tariff: Fixed cost, running cost and their interrelation for all types of conventional power plants, depreciable

22

cost, different types of tariffs, numerical example based on above, effect of deregulation on pricing. Text/Reference Books: 1. Gupta B. R. ” Power Plant Engineering”.(Eurasia publications) 2. Nag P. K. “ Power Plant Engineering”,(Tata McGraw Hill Publications) 3. Deshpande M. V. “ Elements of Electrical Power Station Design” (Wheeler publications) EE312 Mini Project and Seminar (1Credit, L-0, T-0, P-2) The project work is intended to develop skill of electrical hardware assembly, electronics PCB design and assembly for small gadgets amongst the students. This skill may become useful during their final year project. The students should undertake an electrical/electronic based hardware project and they have to submit report on the same. The project should include design and development of a small gadget useful in day-to-day life, in consultation with the faculty advisor.

***************