DR. M.G.R. EDUCATIONAL & RESEARCH INSTITUTE(DEEMED UNIVERSITY)

DEPARTMENT OF ELECTRICAL & ELECTRONICS ENGINEERING

M.Tech. - POWER ELECTRONICS AND DRIVES

Curriculum & Syllabus 2005-06

Code Course Title L T P CTheory Semester - IMMA601 Applied Mathematics for Electrical &

Electronics Engineering 3 1 0 4

MEE601 Systems Theory 3 0 0 3MEE603 Analysis of Power Converters 3 1 0 4MEE605 Analysis of Inverters 3 1 0 4MEE611 Generalised Theory of Electrical Machines 3 0 0 3

MEEEE01MEEE03

Elective – I 3 0 0 3

PracticalMEE621 Digital Simulation Lab 0 0 3 1

Total 22

Theory Semester - IIMEE602 Digital Signal Processing 3 1 0 4MEE604 Solid State DC Drives 3 1 0 4MEE606 Solid State AC Drives 3 1 0 4MEE608 Microprocessor Application in Power

Electronics3 0 0 3

MEEE02MEEE04MEEE06

Elective – II 3 0 0 3

MEEE08MEEE10MEEE12

Elective – III 3 0 0 3

PracticalMEE622 Power Electronics Lab 0 0 3 1

Total 22

Code Course Title L T P CTheory Semester - IIIMMG731 Engineering Management 3 0 0 3MEE701 Power Quality 3 0 0 3MEEE11MEEE13MEEE15

Elective – IV 3 0 0 3

MEEE17MEEE19MEEE21

Elective – V 3 0 0 3

PracticalMEE721 Project Work (Phase –I) 0 2 12 6

Total 18

Semester - IVMEE722 Project Work (Phase-II) 0 2 30 12

Total 12

Total Credits to be earned for the award of the Degree: 74

List of Electives

Elective Group ICode Course Title L T P C

MEEE01 Neural Networks and Fuzzy Systems 3 0 0 3MEEE03 Advanced Semiconductor Devices & Their

Applications3 0 0 3

Elective Group IICode Course Title L T P C

MEEE02 Object Oriented Programming and its Application to Electrical Engineering

2 0 3 3

MEEE04 Visual Languages & its Applications to Electrical Engineering

2 0 3 3

MEEE06 Computer Aided Design of Electrical Machines 2 0 3 3

Elective Group IIICode Course Title L T P C

MEEE08 Power Electronics Applications in Power Systems

3 0 0 3

MEEE10 Flexible AC Transmission Systems 3 0 0 3MEEE12 Steady State Analysis of SCR Controlled

Electrical Machines3 0 0 3

Elective Group IVCode Course Title L T P C

MEEE11 Intelligent Control of AC Drives 3 0 0 3MEEE13 Industrial Applications of Drives 3 0 0 3MEEE15 Special Machines & Controllers 3 0 0 3

Elective Group VCode Course Title L T P C

MEEE17 Micro controller Based System Design 3 0 0 3MEEE19 HVDC Transmission 3 0 0 3MEEE21 EMI Prediction and Analysis 3 0 0 3

MMA601 APPLIED MATHEMATICS FOR ELECTRICAL & ELECTRONICS ENGINEERING

3 1 0 4

(Common to VLSI, Applied Electronics, Bo-Medical Instrumentation, Power Electronics and Drives, Communication Systems)

UNIT – I Random Process: (12 hours)Random Variables – density & distribution Functions- Moments – Moment Generating Functions – Two-Dimensional Random Variables – Marginal & Conditional Distributions – Random Process – Stationary & Ergodie Processes – Auto Correlation Cross Correlation – Properties – Power Spectral Density.

UNIT – II Special Functions: (12 hours)Series Solutions – Bessel’s Functions – Legendre’s Equation – Legendre’s Polynomial – Rodrigue’s Formula – Recurrence Relations – Generating Functions & Orthogonal property for Bessel’s Function of the first kind

UNIT – III Calculus Of Variations: (12 hours)Introduction – Euler’s Equations - Functional Dependent on First and Second Derivaties -Brachistochrone Problem - Functional involving two or more Independent Variables -Isoperimetric Problems - Variational Methods of solving Partial Differential Equations -Rayleigh - Ritz Method - Kantorovich Methods.

UNIT –IV LINEAR INTEGRAL EQUATIONS (12 hours)Different Types of Integral Equations - Fredholm & Volterra Integral Equations - Relation between Differential and Integral Equations - Green’s Functions - Fredholm’s Equations with Separable Kernal – Iterative Methods for Solving Equations of Second kind - Properties of Symmetric Kernals.

UNIT –V INTRODUCTION TO FINITE ELEMENT METHOD (12 hours)Introduction FEM-Functions-Base Functions - Methods of Approximation - Rayleigh-Ritz Method - Galerkin Method - Application to One- Dimensional & Two-Dimensional Problems.

Total No. of Hours: 60Books for Study and Reference:1. Hildebrand,F.B. “ Methods of Applied Mathematics”, PHI, New Delhi (1992)2. Elsgolt,L. “Differential Equations & calculus of Variations”, Mir Pub., Moscow,(1985)3. Clarke, A.B., Disney, R.L., “Probability and Random Process”,John Wiley,(1970)4. Narayanan, S.,et.al, “Advanced Mathematics for Engineering Students” Madras,(1989)5. Zienkienviez.O.C , “Finite Element Methods inEngg Sciences”, Mcgraw Hill, London,

(1989).6. Papoulis, “ Probability, Random Variables &Stochastic Processes”, Mcgraw Hill,

Newyork, (1991)7. Petrovsky,I.G., “Lectures on Theory of Integral Equations”, MirPub, Moscow, (1971)8. Andrews,L.A., “Special Functions for Sciences &Engineers”, Mcgraw Hill, Newyork,

(1992).

MEE601 SYSTEMS THEORY 3 0 0 3

1. Frequency Domain Descriptions Properties of Transfer functions - Impulse response matrices - Poles and Zeros of transfer- function matrices -critical frequencies - resonance - steady state and dynamic response - Bandwidth.

2. State Space DescriptionReview of state model for systems - State transition matrix and its properties - free and forced responses -controllability and observability - Kalman decomposition - Minimal realization - Balanced realization.

3. Design In State Space SystemsState feedback – output feedback – design methods – pole assignment – full order and reduced order observers – deadbeat control – deadbeat observers – introduction to optimal control.

4. Non - Linear Systems Types of non-linearity - typical examples - Phase plane analysis - limit cycles - equivalent linearisation -describing functions - chaotic behaviour. Need for model reduction - aggregation techniques -dominant pole concept - model reduction via partial realization - time moment matching and Pade approximation - Hankel norm model reduction – comparative merits of various methods.

5. Stability Stability concepts - equilibrium points - BIBO and asymptotic stability - direct method of Lynapunov -application to non-linear problems - frequency domain stability criteria - Popov's method and its extensions.

L = 45 T = 0 P = 0 TOTAL = 45REFERENCE

1. M.Gopal, “Modern Control Engineering”, Wiley, 1996.

2. Ogatta, “Modern Control Engineering”, PHI, 3rd Edition, 1997.

3. G.J.Thaler, “Automatic Control systems”, Jaico publishers, Chennai, 1993.

MEE603 ANALYSIS OF POWER CONVERTERS 3 1 0 4

1. Principles of line commutation – Phase control – Phase controlled converters - fully controlled and half-controlled converter - Converters with FWD – feeding R, RL, RLE loads.

2. Sequence control of converters - general features of converters – unsmoothed voltage of converter, harmonic analysis – line circuit harmonics – reactive power and power factor.

3. Rectifier and inverter operation – discontinuous conduction – source inductance – overlap – inverter limit – commutation failure – network reactions - voltage fluctuation –effect of supply on the converter behavior – two-quadrant operation – four-quadrant operation.

4. Phase controlled cyclo-converters – Principle of operation – single phase and 3-phase converter operation - reactive power – power factor.

5. AC Voltage controller – principles of operation – phase control – integral cycle control – single phase AC controller using phase control feeding R and RL load – 3 phase AC voltage controllers different configurations – analysis with R and L load – gate pulse requirement – applications - Tap changer - sinusoidal voltage controller- harmonics and distortion in phase controlled voltage controllers – power factor.

Reference Books:

1. Vedam Subrahmnyam, “Power Electronics” , New Age International Pvt. Ltd., New Delhi, 1996.

2. M.H Rashid, “Power Electronics, Circuits, Devices and applications”, PHI, seconds edn, New Delhi 1975.

3. P.C. Sen, “Power Electronics”, Tata McGraw Hill, New Delhi, 1994.

MEE605 ANALYSIS OF INVERTERS 3 1 0 4

1. Forced commutation: Principles – methods of forced commutation – choice of commutation circuit elements.

2. Inverters: Principle of inverter on the basis of 4 quadrant chopper – classification of inverters – series – principles of operation – analysis – configurations for improved performance – parallel inverters – configurations for improved performance – parallel performance – bridge inverters - voltage source and current source inverters – single phase and 3 phase configuration – auxiliary commutated inverters (McMurray) – analysis of commutation - design of commutation circuit – complementary commutation (McMurray Bedford) analysis of commutation – design of commutation circuit – voltage control and harmonic neutralization – necessity - different methods –DC link inverters – PWM methods – sinusoidal PWM – current source inverter – single phase and 3 phase – a comparison with voltage source inverter commutation – auto sequential – different configurations – ASC CSI, bridge type , 3rd harmonic inverter.

3. Resonant converters: Principle of soft commutation using resonant principle – a comparison with hard commutation used in PWM inverters – classification of resonant converters – push pull – bridge type – storage time and its reduction – series and parallel resonant switch converters – quasi resonant converters – resonant switch converters.

4. DC chopper circuit: Principle of operation – analysis of commutation – effects of smoothing inductance – CLC and TRC of DC chopper circuit – Voltage and current commutation in choppers – regenerative (step-up) chopper – two quadrant and four quadrant choppers – source inductance and other stray inductance effects on the performance – possible commutation failure – multi phase choppers – extension of four quadrant choppers as inverters.

5. Static frequency conversion – cycloconverter – DC link inverterSMPS – Switch mode power supplies

Reference:1. N.Mohan, Underland and Robbins, “Power Electronics, Converters, Applications and

design”.

MEE611 GENERALISED THEORY OF ELECTRICAL MACHINES

3 0 0 3

1. Basic elements of generalized theory of machines, circuit models of synchronous, induction and dc machines – General expressions for voltage and torque.

D.C. Machines: Mathematical models of DC motor – steady state and dynamic performance.

2. Linear transformations: Necessity in electrical machines – phase transformations, concepts of power invariance, MMF distributions in the air gap in the development of phase transformations – 3 phase to 2 phase - Parks transformations – symmetrical component transformations – space vector theory.

3. Reference Frame Theory: concept of reference frame – stationary reference frame – rotating reference frame synchronously rotating – rotor reference frame – commutator transformation – in phase variables – two axis variables – transformation matrices – transformations to a rotating reference frame.

4. Induction Machines: Matrix models in various reference frames – steady state and transient analysis – derivation of steady state equivalent circuit – torque equation – speed torque characteristics.

5. Synchronous Machines: Matrix module of synchronous motor in rotating reference frame – performance of synchronous motor – steady state and dynamic performance PM synchronous motor.

L = 45 T = 0 P= 0 TOTAL =45

Text Books: 1. C.V Jones, “Unified Theory of Electrical Machine”, Butterworths, 1967.2. M.G.Say, “Introduction to the Unified Theory of Electromagnetic Machines”, Pitman.

References:

1. Bernard Adkins, Ronald.G.Harley, “ The general theory of alternating Current Machines, Application to practical Problems”, Chapman and Hall, 1978.

2. Adkins.B., “ The General Theory of Electrical Machines”, John Wiley & Sons, 1957.3. Gibbs, W.J., “Tensors in Electrical Machines Theory”, Chapman and Hall, 1952.4. Bimbhra.P.S., “Generalised Circuit Theory of Electrical Machines”, Khanna

Publishers, Delhi, 5th Edition, 1995.

MEE621 DIGITAL SIMULATION LAB 0 0 3 1

1. Study of simulation packages like SABER, PSPICE, MATLAB, PSCAD.

2. Mathematical models for power transistors, thysistors, GTOS, diodes.

3. Review of mathematical models of electrical machines – simulations based on these models.

4. Simulations of phase controlled line commutated converters, DC choppers, inverters.

5. Case studies of converter \ chopper controlled drives, dual converter DC drive, VSI fed induction motor drive, CSI fed IM, synchronous motor drives.

Reference Books:

1. Rajagopalan,V. “Computer aided analysis of power electronic systems”, Marcell –

Dekker Inc.,1987.

2. John Keown, “Microsim Pspice and circuit analysis”, Prentice hall Inc.,1998.

3. Orcad Pspice user manual, Orcad corporation.

4. Saber user manual, Analogy Corporation.

5. MATLAB user manual.

MEE602 DIGITAL SIGNAL PROCESSING 3 1 0 4

1. Review Of Discrete Time Systems 9Discrete time Signals-Sequences-Stability and Causality-Frequency domain Representation of Discrete time systems and signals-Two-dimensional Sequences and Systems - Z-Transform- Z-Transform Theorems and Properties - Two-dimensional Z-Transform. Structures for discrete time system-direct, cascade and parallel forms- lattice structure.

2. The Discrete Fourier Transform 18Representation of Periodic Sequences-the Discrete Fourier Series - Properties of the discrete Fourier series sampling - Z-transform-discrete Fourier transform - properties of discrete Fourier Transform Linear Convolution - Decimation-in-Time and Decimation-in-Frequency -FFT Algorithms - Two-dimensional discrete Fourier Transform-spectral analysis-time, frequency analysis of signals.

3. Digital Filter Design Techniques 9Introduction - Design of IIR Digital Filters from Analog Filters - Analog-Digital Transformation - Properties of FIR Digital Filters - Design of FIR Filters Using Windows -A comparison of IIR and FIR Digital Filters.

4. Effects Of Finite Register Length in Digital Signal Processing 9Introduction-Effects of coefficient of Quantization - Quantization in Sampling Analog Signals- Finite Register Length effects in realizations of Digital Filters, discrete Fourier Transform Computations.

L = 45 T = 15 P = 0 TOTAL = 60

REFERENCES

1. Alan Oppenheim.V and Ronals.W. Schafer, "Digital Signal Processing”, Prentice Hallof India Pvt.Ltd., New Delhi, 1989.

2. John-H Karl, "An Introduction to digital processing", Academic Press INC, HarcourtBrace Jovanovich, Publishers, 1989.

3. Douglas F. Elliot, "Handbook of Digital Signal Processing - Engineering Applications".Academic Press, 1987.

4. King, Robert, "Digital filtering in one and two dimensions, Design and applications” -Plenum Press, 1989.

5. V.Oppenheim and Ronald W. Schafer, "Discrete time Signal processing", PHI, New Delhi, 1992.

6. M. Bellanger, "Digital Processing of Signals", John Wiley and Sons, 2000.7. Ralph Chasseing, "Digital Signal Processing Laboratory Experiments using C &

TMS320 C31", John Wiley and Sons, 1999.

MEE604 SOLID STATE DC DRIVES 3 1 0 4

1. Features of armature controlled, field controlled DC drives using conventional rheostat (Shunt and series), conventional Ward-Leonard control, Slow speed operation inching and jogging. Transfer functions of armature controlled, field controlled DC motors.

2. Conventional fed DC drives: Single phase drives – 3-phase drives – half controlled and fully controlled drives – continuous and discontinuous operation – sequence control – features of DC motors operations on phase controlled converters – evaluations of DC drive performance – commutation of the motors – Torque speed curve, power factor, optional free wheeling – CLC and TRC of DC motors on converter sources (multiple firing schemes)

3. Braking – Regressive speed reversal –dual converters and mechanical switches for four quadrant operation –closed loop control.

4. Chopper fed drives: CLC and TRC strategies for controlling DC motor Speed – closed loop control – two quadrant and four quadrant operation –a comparison of chopper fed and converter fed drives.

5. Closed loop drives – design – converter fed and chopper fed drives. Microprocessor Control of DC Drives – Some case studies.

Reference Books:

1. Subrahmanyam Vedam, “Thyristor control of electrical drive”, Tata McGraw Hill, 1988.2. Dubey, G.K., “Power Semiconductor controlled drives”, PH International, NJ 1989. 3. Sen P.C., “Thyristor DC drives”, John Wiley, NY, 1981

MEE606 SOLID STATE AC DRIVES 3 1 0 4

1. Induction motor drives- speed control by stator frequency variation – operation of induction motor on variable frequency sources – operation of IM on non sinusoidal waveforms – constant flux operation current fed operation – dynamic and regenerative braking of CSI and vs. drives – slip controlled drives – Introduction to vector control – cycloconverter drives –features.

2. Speed control by rotor frequency variation methods - Armature voltage control using 3-phase ac chopper- Torque loads – loss analysis – derating – different types of ac choppers for feeding induction motor – plugging closed loop control.

3. Rotor-resistance control: Speed control by additional resistance in the rotor circuit – speed torque characteristics – chopper controlled resistance in the rotor circuit – speed torque characteristics with time ratio of chopper as a parameter – CLC, TRC strategies – braking – combined stator voltage control and rotor resistance control – closed loop control.

4. Slip energy recovery schemes: Subsynchronous converter cascade in the rotor circuit – Principle of operation – Torque speed curves with firing angle of the inverter as a parameter – Slip and torque equations – Emulating DC motor characteristics – Specific features and criteria favoring the slip energy recovery scheme – network reactions - Power factor – Cycloconverter in the rotor circuit – Four quadrant drive using converter cascade.

5. Synchronous motor drives: Variable frequency operation of synchronous motors operation of synchronous motor on non-sinusoidal voltages – methods of providing variable – separate and self control concept of S.V control.

6. Load commutation – Advantage and disadvantage – VSI and CSI drives - CLM operation

– DC motor like control – torque angle control – Commutation assistance at low speeds – marine angle control – Principle of vector control. Microprocessor control of AC drives –Some case Studies

Reference Books:

1. Subrahmanyam Vedam , “Electric Drives, Concepts and Applications” TMH, New Delhi, 1994.

2. Bose, BK., “Power Electronics and AC Drives”, Prentice Hall Englewood Cliffs, NJ. 3. Murphy, JMD, Turnbull, “Thyristor Control of AC Motors”, Pergamon Press Oxford,

1988.4. Subrahmanyam Vedam, “Thyristor control of Electric drives”, TMH, !988.

MEE608 MICROPROCESSOR APPLICATIONS IN POWER ELECTRONICS

3 0 0 3

1. Review of microprocessors

2. Architecture and programming of 8085 and 8086 – A/D and D/A converters – interfacing of 8253, 8155 and other important interfacing ICs.

3. Microprocessor based firing schemes for converters:Firing schemes for single phase and 3-phase converters – Dual converters – 3-phase AC choppers – firing in various frequency environment – microprocessor based firing control of DC choppers – implementation of PWM techniques of inverters using microprocessor.

4. Microprocessors to control the firing schemes of link converters feeding in DC motors – synchronous motors and other special machines – Microprocessor based control electric drives – Four quadrant dc drives using converters and choppers – VSI and CSI fed induction and synchronous motor drives vector control and margin angle control implementations.

5. Microprocessor in the closed loop systems:Importance of measurement and sensing in closed loop control – Measurement of terminal quantities like current, voltage power and power factor – Estimation of speed - Microprocessor in the implementation of various drive schemes.

6. Microprocessors in special applications in PE: static excitation of synchronous generators – Solid state tab changer transformers – UPS systems – Parallel control

Reference Books:

1. Subrahmanyam, Vedam, ‘Electric Drives, Concepts and applications’, TMH 1994.2. Subrahmanyam, Vedam ‘Thyristor control electric drives’ TMH 1988.3. Gaonkar, R.S Microprocessor Architecture, Programming, and Application with

8080/8085 A”, Wiley Eastern Ltd., New Delhi 1991.4. Hall, D.V, “Microprocessor and interfacing”, TMH New Delhi, 1986.

MEE622 POWER ELECTRONICS LABORATORY 0 0 3 1

LIST OF EXPERIMENTS

1. Microprocessor based firing scheme for three–phase converter.2. Speed control of DC Shunt motor.3. Speed control of PWM inverter fed three–phase induction motor.4. Voltage commutated chopper.5. Current commutated chopper.6. McMurray – Bedford inverter.7. AC voltage controller.8. Series inverter.9. Cyclo-Converter.

MMG731 ENGINEERING MANAGEMENT 3 0 0 3

1. OPERATIONS MANAGEMENT:Operations Management – Definition and concepts - Quality circles – Suggestion scheme for Quality improvement – Total Quality Management Concept – ISO Quality Certifications and types – Quality assurance- Quality Audit - JIT - Six Sigma concept – Quality function deployment.

2. MARKETING:Basic concepts of Marketing – Marketing mix – New product development (Concepts & cases). Relationship marketing - Supply chain management - Product life cycle – concepts of service marketing - global marketing concepts.

3. FINANCE:Basic concepts of finance – Project finance – Long term finance – Short term finance – Working capital management – International finance – GDR – Financial forecasting – Leverage (Operating, Financial & Combined Leverages).

4. MANAGERIAL EFFECTIVENESS & LEADERSHIP: Measuring Managerial Effectiveness – Organizational Climate – Leadership styles – Group Influences – Team building - Organizational and Managerial Efforts – Self Development – Negotiation Skills – Development of the Competitive Spirit – Knowledge Management – Fostering Creativity. (Case Study)

5. ENTREPRENEURSHIP DEVELOPMENT:Entrepreneurship concept - Entrepreneurship as a Career- Entrepreneur - Personality Characteristics of Successful Entrepreneur - Knowledge and Skills Required for an Entrepreneur - Business Environment - Central and State Government Industrial Policies and Regulations - Business Plan Preparation: Matching Entrepreneur with the Project - Feasibility Report Preparation and Evaluation. (Case Study)

Reference Books:1. R. Panneerselvam, “Production and Operation Management”, Prentice Hall of India, 2002.2. Reddin W.J., “Effective Management”, Tata McGraw Hill Company, New Delhi, 1998.3. S.S.Khanka, “Entrepreneurial Development”, S.Chand and Company Limited, New Delhi,

2001.4. Gaither, “Production and Operations Management (with two CDs)”, Thomson Asia (P)

Ltd., Bombay, Ninth Edition, 2002.5. Chase, Aquilano & Jacobs, “Production and Operations Management”, Tata McGraw

Hill, 8th Edition, 1999.6. Philip Kotler, “Principles of Marketing”, Tata McGraw Hill, 8th Edition, 1999.7. Chakraborthy, “Managerial Effectiveness and Quality of Work life: Indian Insights”,

Tata McGraw Hill, 2000.8. Hisrich, “Entrepreneurship”, Tata McGraw Hill, New Delhi, 2001.

MEE701 POWER QUALITY 3 0 0 3

1. Power Quality phenomena – Basic terminologies – various events in Power Quality - Causes for reduction in Power Quality – Power Quality Standards.

2. Causes of voltage sags – magnitude and duration of voltage sags – Effect on adjustable AC Drives, DC Drives, computers and consumer electronics.

3. Origin of long & short interruptions – influence on various equipments – reliability of power supply – basic reliability evaluation techniques.

4. Power quality monitoring – Stochastic prediction - Mitigation of interruptions and voltage sags – Mitigation methods for power system design and Power electronic controllers at system equipment interface.

5. Origin of harmonics – effect of harmonics on adjustable speed ac drives – harmonic reduction using PWM & harmonic injection.Interpretation & analysis of power quality measurements – active filters as power quality conditioners – basic concept of unified power quality conditioners.

REFERENCES:

1. Math.H.J.Bollen, “Understsanding Power Quality Problems – Voltage Sags & Interruptions”, IEEE Press, 2000.

2. David D.Shipp & William S. Vilcheck, “Power Quality & Line Considerations for Variable Speed AC Drives”, IEEE Transactions on industry applications, vol.32, March/April-1996.

3. Po-Tai Cheng, Subhashish Bhattacharrya & Deepak.D.Divan, “ Line Harmonics Reduction in High – Power Systems using Square – Wave inverters – Based Dominant Harmonic Active Filter”, IEEE Transactions on Power Electronics,vol.14, No.2, March 1999.

4. Hideaki Fujita & Hifofumi Akagi, “ The Unified Power Quality Conditioner: The integration of Series & Shunt Active Filters”, IEEE Transactions on Power Electronics, vol.13, No.2, March 1998.

MEEE01 NEURAL NETWORKS & FUZZY SYSTEMS 3 0 0 3

1. Motivation for the development of neural networks - Elementary Neuro physiology – From Neuron to ANNS – Activation functions – Neuron model and Network architectures. Perceptron – fundamentals – training algorithm – the Delta rule – limitations.

2. Introduction to Backpropagation, Backpropagation Network (BPN) – Backpropagation training algorithm – BPN applications. Counter Proragation Network (CPN): CPN structure – Kohonen and Grossberg layers – training of CPN – applications.

3. BAM and Hopfield memory: Memory definitions – the BAM – Hopfield nets – Binary and Continuos systems – Stability – applications. Adaptive Resonance Theory (ART): ART1 model - architecture – Analysis of ART system dynamics – ART training – applications.

4. Introduction to Fuzzy Logic: Fuzzy control – Principles – a comparison with real time expert systems – nonlinear control system – Advantages of Fuzzy logic limits – when to use Fuzzy logic – Fuzzy sets – Fuzzy – Set operations – Fuzzy relations – Fuzzy functions.

5. FKBC (Fuzzy knowledge based controller – Knowledge representation – Rule base – FKBC design parameters – Structure – Fuzzification – Knowledge base interference engine – Defuzzification module – Rule base Data base choice of membership function, scaling factor Interference engine – Fuzzification procedures – choice Defuzzification procedure – comparision and evaluation of defuzzification methods – Nonlinear fuzzy – Adaptive fuzzy – stability considerations

L= 45 T = 0 P = 0 TOTAL = 45Reference Books:

1. Wassermann P.D., " Neural computing ", Van Reinhold, 1988.2. IEEE tutorial on “Application of Neural Network to Power Systems ", 1996.3. Jacek.M.Zurada, "Introduction to Artificial Neural Systems", Jaico Publishing

House, 1999.4. D.Driankov, H.Hellendroom, M.Reinfrank, “An Introduction to Fuzzy Control”,

2nd Edition. Springer, 1995.5. Zimmermann.H.J., “ Fuzzy set Theory and its Application”, Kluwer, 1985.6. Trimothy.J.Ross, “Fuzzy Logic with Engineering applications”, McGraw Hill Inc.,

1997.

MEEE03 ADVANCED SEMICONDUCTOR DEVICES & THEIR APPLICATIONS

3 0 0 3

1. Overview of power semiconductor devices:Semiconductor devices as switches – Diodes – BJTs, Thyristors, MOSFETs, IGBTs, GTOs, and comparison of these and develop drive circuits and protection.

2. Power diodes and BJTs:Power diodes – Basic V-I characteristics – Schottky diode – Snubber design – Switching characteristics of BJTs - Design of drive circuit for BJTs – Safe operating area.

3. Thyristors: V-I characteristics – Steady state dynamic characteristics – Thermal calculations – Gate characteristics and gate circuit circuit design – Protection GTOs – Self quenching properties – Two transistor analogy during turn on and turn off – Turn off mechanism – Physics of device operation – Protection

4. MOSFETs: Basic structure: V-I characteristics – Device operation – Switching characteristics – drive circuit and protection – a comparison with thyristor and BJT. IGBT: Darlington operation of BJT and MOSFET – BIMOS switch – Physical properties – Integration as a single device – Switching characteristics – Steady state characteristics.

5. Miscellaneous modern devices like SITs, MOS controlled trhyristors devices - SITH device - comparison, Smart power control chips.

6. Review of high frequency devices applications in converters, choppers, inverter – Use of PWM Principles to improve the performance.

Reference Books:

1. Mohan, N. et.a1, “Power electronics, converters Applications and Design”, John Wiley and Sons, New york.

2. Kasakian J. et.al, “ Principles of power electronics”, Addison wesely publishing Co., 1991.

MEEE02 OBJECT ORIENTED PROGRAMMING AND ITS APPLICATIONS TO ELECTRICAL ENGINEERING

2 0 3 3

1. OBJECT ORIENTED PROGRAMMING PARADIGMIntroduction - reusability - security - object oriented programming fundamentals - abstraction - encapsulation - derivation - object oriented languages and packages.

2. CLASSES AND OBJECTSIntroduction to C++ - procedural oriented approach to C++ - data types - control structures - problem solving - standard input and output streams - C++ enhancements - function prototypes - default reference variables - constants - classes - constructors - destructors - constraint objects - member objects and the functions.

3. ADVANCED FEATURESDynamic memory allocation pointers - new and delete operators - classes with pointers – copy constructor - static member - friend classes - friend functions - operator overloading.

4. POLYMORPHISM AND INHERITANCEFunction overloading - connection classes - derived classes - class conversion -protected members – virtual functions - dynamic binding - abstract classes - multiple Inheritance - templates - error handling.

5. CASE STUDIESOverview of typical object oriented systems - case studies - application to Electrical Engineering.

L = 30 T = 0 P =30 TOTAL = 60REFERENCES

1. Stanley B. Lipman, " C++ primer ", Addison Wesley, 1989.2. Bertrand Meyar, " Object software construction ", Prentice Hall, 1988.3. K.R. Dittrich et al, " On object oriented data base system ", Springer verlag, 1991.

MEEE04 VISUAL LANGUAGES AND ITS APPLICATIONS TO ELECTRICAL ENGINEERING

3 0 0 3

1. HISTORICAL DEVELOPMENT OF PROGRAMMING 6Procedural programming - structural programming - object oriented programming - windows programming - Event driven programming - conceptual comparison.

2. WINDOWS PROGRAMMING 10Over view of windows programming - data types - resources - controls -windows messages - device contexts - document interfaces - dynamic link libraries - SDK (software development kit tools) - context help

3. VISUAL BASIC PROGRAMMING 10Form design - over view - programming fundamentals - VBX controls - graphic applications - animation - interfaces - file system control - data control - data base application

4. VISUAL C++ PROGRAMMING 14Frame work classes - VC++ components - resource handling - event handling - message dispatch system - model and model-less system - model and model -less dialogues - importing VBX controls - document – view architecture - sterilization - multiple document - splitter windows - coordination between controls – sub classing.

5. CASE STUDIES 5Application to electrical engineering problems.

L = 45 T = 0 P = 0 TOTAL = 45REFERENCES

1. David Kurlinski, J., " Inside Visual C++ ", Microsoft press, 1993.

2. " Microsoft Visual C++ and Visual Basic manuals ".

MEEE06 COMPUTER AIDED DESIGN OF ELECTRICAL MACHINES

3 0 0 3

1. Introduction:Conventional design procedures –Limitations - Need for analysis based design.

2. Mathematical formulation of Field problems:Development of torques / forces- Electromagnetic Field Equations – Magnetic Vector/Scalar potencial –Electrical Vector /Scalar potential – Stored energy in field problems- Inductances- Laplace and Poisson’s Equations –Energy functional –Principle of energy conversion.

3. Philosophy of FEM:Mathematical Models – Differential / Integral equations – Finite Difference method – FiniteElement Method – Energy minimization – Variation method – 2D Field problems – Discretisation – Shape functions – Stiffness matrix – Solution techniques.

4. Cad Packages:Elements of a CAD System – Preprocessing – Modelling – Meshing – Material Properties – Boundary Conditions – Setting up solution – Post-processing.

5. Design Applications:Design of Solenoid Actuator – Induction motor – Switched Reluctance Motor – Synchronous Machines.

Reference Books:

1. Silvester and Ferrani, “Finite Elements of Electrical Engineers”, Cambridge University press, 1983.

2. S.R.H.Hoole , “Computer – Aided, Analysis and Design of Electromagnetic Devices”, Elsevier, New York, Amsterdam, London , 1989.

3. D.A Lowther and P.P Silvester, “Computer Aided Design in Magnetics”, Springer Verlag, New York, 1956.

4. S.J Salon, “ Finite Element Analysis of Electrical Machines”, Kulwer Academic Publishers, London, 1995.

5. C.W.Trowbridge, “An Introduction to Computer aided Electromagnetic Analysis”, Vector Field Ltd.

6. User Manuals of MAGNET, MAXWELL& ANAYS, Software Packages.

MEEE08 POWER ELECTRONICS APPLICATIONS IN POWER SYSTEMS

3 0 0 3

1. Static VAR Control:Principles of load compensation – voltage regulation and power factor correction – unsymmetrical loads – phase balancing and power factor Corrections – static compensation properties – Thyristor controlled Reactor (TCR), Thyristor switched capacitor (TSC), saturable core reactor (control strategies)

2. Power factor improvement and harmonic control converters – poor power factor – forced commutation techniques for power factor improvement – methods of improving the power factor of the line commutated converters – use of high frequency devices.

3. Voltage control – Static Tap changer for voltage control – Static Tap changing using thyristors –comparison of different schemes – Generator excitation – schemes, comparison.

2. Uninterrupted power supply:

Parallel redundant & non-redundant UPS, UPS using frequency devices, Resonant converters, Switched mode power supplies.

3. Unified Power Flow Control: Implementation of power flow control using conventional thyristors, implementation of Unified power flow controller.

L= 45 T = 0 P = 0 TOTAL = 45Reference Books:

1. Miller, T.J.E., “Reactive Power control in Electric Systems”, Wiley Interscience, New York 1982.

2. Gyugyi.L., “Unified Power Flow Control Concept for Flexible AC Transmission”, IEEE proceedings, Vol. 139, July 1994.

MEEE10 FLEXIBLE AC TRANSMISSION SYSTEMS 3 0 0 3

1. IntroductionFACTS - a toolkit, Basic concepts of Static VAR compensator, Resonance damper, Thyristor controlled series capacitor, Static condenser, Phase angle regulator, and other controllers.

2. Series Compensation SchemesSub-Synchronous resonance, Torsional interaction, torsional torque, Compensation of conventional, ASC, NGH damping schemes, Modelling and control of thyristor controlled series compensators.

3. Unified Power Flow ControlIntroduction, Implementation of power flow control using conventional thyristors, Unified power flow concept, Implementation of unified power flow controller.

4. Design of Facts ControllersApproximate multi-model decomposition, Variable structure FACTS controllers for Power system transient stability, Non-linear variable-structure control, variable structure series capacitor control, variable structure resistor control.

5. Static Var CompensationBasic concepts, Thyristor controlled reactor (TCR), Thyristors switched reactor (TSR), Thyristor switched capacitor(TSC), saturated reactor (SR) , and fixed capacitor (FC)

L = 45 T = 0 P = 0 TOTAL = 45

REFERENCES

1. Narin G.Hingorani, " Flexible AC Transmission ", IEEE Spectrum, April 1993, pp 40-45.

2. Narin G. Hingorani, " High Power Electronics and Flexible AC Transmission Systems ", IEEE Power Engineering Review, 1998.

3. Narin G.Hingorani, " Power Electronics in Electric Utilities: Role of Power Electronics in future power systems ", Proc. of IEEE, Vol.76, no.4, April 1988.

4. Einar V.Larsen, Juan J. Sanchez-Gasca, Joe H.Chow, " Concepts for design of FACTS Controllers to damp power swings ", IEEE Trans On Power Systems, Vol.10, No.2, May 1995.

5. Gyugyi L., "Unified power flow control concept for flexible AC transmission", IEEE Proc-C Vol.139, No.4, July 1992.

MEEE12 STEADY STATE ANALYSIS OF SCR CONTROLLED ELECTRICAL MACHINES

3 0 0 3

1. Introduction – Analysis of DC motors fed from AC to DC converter, DC Chopper.

2. Analysis of induction motors: Matrix methods – State space techniques – for the analysis of VSI and CSI fed motors.

3. Analysis of induction motor (fed from) 3-phase voltage controller – analysis of commutation process of a CSI fed induction motor.

4. Analysis of induction motor with static converter cascade in the rotor.

5. Analysis of commutation of CSI feeding a 3-Phase synchronous motor.

6. Analysis of PM motor.

MEEE11 INTELLIGENT CONTROL OF AC DRIVES 3 0 0 3

1. Introduction – Fuzzy Logic and neural networks in the control of AC drives – Artificial intelligence and expert systems theory in the control of drives and Power electronic converters like UPS.

2. Vector control of AC drives – a review –Traditional Phasors – AC motor equation – space phasors and analysis of AC motors – A short review of inverters for the control of AC motors.

3. Robust control techniques: Introduction to Robust control – Robust servo control – Linear and nonlinear – Adaptive control – MRAC – Self tuning control.

4. Robust AC drive control:Introduction – Control methods – Observe for robust control – Speed observer – Speed sensor less operation – Neuro-observer – Fuzzy robust control self tuning Fuzzy controllers - Stability considerations.

5. Soft computing applied to intelligent control of AC drives Introduction – Soft computing – neuro, fuzzy algorithms and their combination in the control and diagnosis of AC drives – PE systems intelligent control – Sensor failure detection using neuro and fuzzy – Hardware for soft computing.

Reference Books:

1. Yashiko Dote and RG Hoft, “Intelligent control power Electronic Systems”, Oxford University press, 1998.

2. Vedam Subrahmanyam, “Thyristor control of electric drives”, TMH, 1988.3. Vedam Subrahmanyam, “Electric Drives – Concepts and Applications”, TMH, 1994.

MEEE13 INDUSTRIAL APPLICATION OF DRIVES 3 0 0 3

1. Introduction : Requirments of an adjustable speed drive – Forms of drive motors – AC drives versus DC drives – Trends in drive Technology

2. Dynamics of Electric Drives:Introduction – Classification electric drive – Basic elements of an Electric drive – Dynamic conditions of a drive system – Stability condition of electric drive – Selection of motors – Characteristics of motors for variable speed drives.

3. Rating and heating of motors:Requirements of a drive motor –Power losses and heating of electric motors – Heading and cooling curves of an electric power – classes of duty – selection of design ruling motor.

4. Drives for Specific applicationsIntroduction - Drives and motors for textile mills – Steel rolling mills – Cranes and Hoist drives –Cement mills – Sugar mills – Machine tools – Paper mills – Coal mines – Centrifugal mills – Turbo compressors – Traction. A review of thyristorised DC and AC drives.

5. High power Industrial drives: Introduction – Drive rating classification with speed and power ratings – Versatility of DC drive and Limitations at large power and high speed - Thyristorised of DC drive and Limitations at large power and induction motor drives at high power level – a short survey of the evaluation of large power drive – Synchronous motor drives – Load commutated converter motor fed from a CSI – Operating modes of motor – Converter – Motor plus converter – implementation of the system – converter for high power – cooling system – fault tolerant design – Reduction of line harmonics and improvement of line power factor – Applications.

Reference Books:

1. Vedam Subrahmanyam , “Electric Drives, Concepts and Applications” , TMH, 19942. Richard M. Crowder, “Electric Drives and Their Controls”, Clorendon, Oxford 1995

MEEE15 SPECIAL MACHINES AND CONTROLLERS 3 0 0 3

1. STEPPING MOTORSConstructional features, principle of operation, modes of excitation torque production in Variable Reluctance(VR) stepping motor, Dynamic characteristics, Drive systems and circuit for open loop control, Closed loop control of stepping motor.

2. SWITCHED RELUCTANCE MOTORSConstructional features, principle of operation. Torque equation, Power controllers, Characteristics and control Microprocessors based controller.

3. PERMANENT MAGNET BRUSHLESS DC MOTORS Commutation in DC motors, Difference between mechanical and electronic commutators, Hall sensors, Optical sensors, Multiphase Brushless motor, Square wave permanent magnet brushless motor drives, Torque and emf equation, Torque-speed characteristics, Controllers-Microprocessors based controller.

4. PERMANENT MAGNET SYNCHRONOUS MOTORS Principle of operation, EMF, power input and torque expressions, Phasor diagram, Power controllers, Torque speed characteristics, Self control, Vector control, Current control schemes.

L = 45 T = 0 P = 0 TOTAL = 45

REFERENCE BOOKS:

1. Miller, T.J.E. " Brushless permanent magnet and reluctance motor drives ",Clarendon Press, Oxford, 1989.

2. Kenjo, T and Naganori, S " Permanent Magnet and brushless DC motors ",Clarendon Press, Oxford, 1989.

3. Kenjo, T, " Stepping motors and their microprocessor control ",Clarendon Press, Oxford, 1989.

MEEE17 MICRO CONTROLLER BASED SYSTEM DESIGN 3 0 0 3

1. Role of Micro controller – Comparison with microprocessors, Micro controller resources: Family members, Bus widths, program and data memory parallel port. D/A and A/D converters, Reset circuitry, Watchdog timers, Power down considerations.

2. Intel 8051: Architecture of 8051 – memory organisation – Register banks – Bit addressable area – SFR area – Addressing model – Instruction set – Programming examples. 8051 Interrupt structure – Timer modules – Serial features – Port structure – Power saving modes – MCS51 family features: 8031/8051/8751.

3. Motorola 68HC11: 68HC11 features – Different modes of operation and memory map – Functions of I/O ports in single chip and expanded multiplexed mode – Timer system of 68CH11. Input capture, output compare and pulsed accumulator features of 68HC11 – Serial peripheral and serial communication interface – A/D conversion features – watchdog feature.

4. 8096 Controller: Architecture of 8096 – modes – Block diagram of interrupt structure – Timers – High speed input and outputs – PWM output – Analog interface – Serial pots.

5. Typical Applications: DC motor control – Stepper motor control – Induction motor control – Introduction to micro controller development tools – development of firing schemes for Thyristor, MOSFET and IGBT based drives.

L= 45 T = 0 P=0 TOTAL = 45

Reference Books:

1. “8-Bit Embedded Controllers”, Intel Corporation, 1990.2. “16-Bit Embedded Controller Handbook”, Intel Corporation, 1989.3. John, B.Peatman., “Design with Microcontrollers”, McGraw Hill, Singapore, 1988.4. Kenheth.J.Hintz and Daniel Tabak, “Microcontrollers Architecture, Implementation and

Programming”, McGraw Hill, 2nd Edition, 1992.

MEEE19 HVDC TRANSMISSION 3 0 0 3

1. IntroductionComparison of AC - DC transmission - application of HVDC transmission – description of HVDC transmission system - HVDC system components and their functions.

2. Analysis of HVDC ConvertersPulse number – choice of converter configuration, simplified analysis Graetz circuit – Converter bridge characteristics – Characteristics of 12-pulse converter – detailed analysis of converters.

3. HVDC System ControlPrinciples of DC link control - converter control characteristics - system control hierarchy - firing angle control – current and excitation angle control - DC link power control - higher level controllers - reactive power control and VAR sources - Multi terminal DC system - types - control and protection.

4. Harmonics and FiltersIntroduction – generation of harmonics – design of AC filters – DC filters – Carrier frequency and RI noise.

5. Transient Stability AnalysisModelling of converter - DC network - AC network and synchronous generator -solution methodology - transient stability improvement using DC link control.

6. Simulation of HVDC Systems Introduction - system simulation - Philosophy and tools - HVDC system simulation - modelling of HVDC systems for digital dynamic simulation.

L = 45 T = 0 P = 0 TOTAL = 45

REFERENCES

1. Padiyar K.R., " HVDC power transmission system ", Wiley Eastern Pvt. Ltd., 1980.2. Kimbark, " Direct current transmission ", Vol.1., John Wiley, New York, 1971.3. Arrillaga J. and Arnald C.P., & Parker B.J., "Computer modelling of Electric power

systems", John wiley & sons, 1983.4. Arrillaga J., " High voltage direct current transmission ", Peter Peregrinus, London,

1983.

MEEE21 EMI PREDICTION AND ANALYSIS 3 0 0 3

1. Introduction:EMP environments- causes of EMI- basic EMP environment- relationship with other effects- EMC practices.

2. Sources of InferenceConductive and Radiated Inference- sources- characteristics and design methods to eliminate inference.

3. Method of hardeningEffects on components - protective techniques - shielding - grounding -filtering – surge Diverters.

4. Mathematical modelingMathematical models for interference prediction – Electromagnetic compatibility.

5. Standards and laboratory techniquesIndustrial and government standards- FCC requirements- CISPR recommendations- laboratory techniques- measurement methods for field strength, EMI.

Reference Books:

1. Berhard Keiser, “Principles of Electro-magnetic Compatability”, Artech House, Inc., 1987.2. Rickets,L.W., Bridges,L.E. and Milleta, J., “EMP Radiation and Protective Techniques”,

John Wiley and Sons, USA 1976.3. IEEE National Symposiums on Electromagnetic compatibility, IEEE.4. WWW.emf-emi.com