DEPARTMENT OF ELECTRICAL & ELECTRONICS ENGINEERING

M.Tech. - POWER ELECTRONICS AND DRIVES

Curriculum & Syllabus 2010 -2012 Onwards (Full Time)

Code Course Title L T P CTheory Semester - I

MTPEDR11 Applied Mathematics for Electrical & Electronics Engineering

3 1 0 4

MTPEDR12 Digital Control Systems 3 0 0 3MTPEDR13 Analysis of Power Converters 3 1 0 4MTPEDR14 Analysis of Inverters 3 1 0 4MTPEDRE01MTPEDRE02MTPEDRE03

Elective – I 3 0 0 3

MTPEDRE04MTPEDRE05MTPEDRE06

Elective – II 3 0 0 3

PracticalMTPEDRP1 Digital Simulation Lab 0 0 3 1

Total 22

Theory Semester - IIMTPEDR21 Digital Signal Processing 3 1 0 4MTPEDR22 Solid State DC Drives 3 1 0 4MTPEDR23 Solid State AC Drives 3 1 0 4MTPEDR24 Microprocessor Application in Power

Electronics3 0 0 3

MTPEDRE07

MTPEDRE08

MTPEDRE09

Elective – III 3 0 0 3

MTPEDRE10

MTPEDRE11

MTPEDRE12

Elective – IV 3 0 0 3

1

PracticalMTPEDRP2 Power Electronics Lab 0 0 3 1

Total 22

2

Code Course Title L T P CTheory Semester - III

MTPEDR31 Embedded Controllers 3 0 0 3MTPEDR32 Power Quality 3 0 0 3MTPEDRE13MTPEDRE14MTPEDRE15

Elective – V 3 0 0 3

MTPEDRE16MTPEDRE17MTPEDRE18

Elective – VI 3 0 0 3

PracticalMTPEDRP3 Project Work (Phase –I) 0 2 1

26

Total 18

Code Semester - IVMTPEDRP4 Project Work (Phase-II) 0 2 30 13

Total 13

Total Credits to be earned for the award of the Degree: 75

3

List of Electives

Elective Group ICode Course Title L T P CMTPEDRE01 Neural Networks and Fuzzy Systems 3 0 0 3MTPEDRE02 Advanced Semiconductor Devices & Their

Applications3 0 0 3

MTPEDRE03 Digital Simulation of Power Electronics Systems

3 0 0 3

Elective Group IICode Course Title L T P C

MTPEDRE04 Advanced Control of Inverter Fed Induction Motor Drives

3 0 0 3

MTPEDRE05 Static VAR Controller and Harmonic Filtering 3 0 0 3MTPEDRE06 Computer Aided Design of Electrical Machines 3 0 0 3

Elective Group IIICode Course Title L T P C

MTPEDRE07 Power Electronics Applications in Power Systems

3 0 0 3

MTPEDRE08 Flexible AC Transmission Systems 3 0 0 3MTPEDRE09 Soft Computing Techniques 3 0 0 3

Elective Group IVCode Course Title L T P C

MTPEDRE10 Intelligent Control of AC Drives 3 0 0 3MTPEDRE11 Industrial Applications of Drives 3 0 0 3MTPEDRE12 Special Machines & Controllers 3 0 0 3

Elective Group VCode Course Title L T P C

MTPEDRE13 Micro controller Based System Design 3 0 0 3MTPEDRE14 HVDC Transmission 3 0 0 3MTPEDRE15 EMI Prediction and Analysis 3 0 0 3

4

Elective Group VICode Course Title L T P C

MTPEDRE16 Switched Mode and Resonant Converters 3 0 0 3MTPEDRE17 Advanced Power Semi Conductor Devices 3 0 0 3MTPEDRE18 Controllers For Power Electronics System 3 0 0 3

5

MTPEDR11 APPLIED MATHEMATICS FOR ELECTRICAL & ELECTRONICS ENGINEERING

3 1 0 4

UNIT – I Random Process: 9-HoursRandom 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: 9-HoursSeries 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: 9-HoursIntroduction – 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 9-HoursDifferent 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 9-HoursIntroduction FEM-Functions-Base Functions - Methods of Approximation - Rayleigh-Ritz Method - Galerkin Method - Application to One- Dimensional & Two-Dimensional Problems.

L=45 T = 15 P=0, Total = 60

TEXT BOOKS 1. Hildebrand,F.B. “ Methods of Applied Mathematics”, PHI, New Delhi (1992)2. Elsgolt,L. “Differential Equations & calculus of Variations”, Mir Pub., Moscow,(1985)REFERENCES:

1. Clarke, A.B., Disney, R.L., “Probability and Random Process”,John Wiley,(1970)2. Narayanan, S.,et.al, “Advanced Mathematics for Engineering Students” Madras,(1989)3. Zienkienviez.O.C , “Finite Element Methods inEngg Sciences”, Mcgraw Hill, London, (1989).4. Papoulis, “ Probability, Random Variables &Stochastic Processes”, Mcgraw Hill, Newyork,

(1991)5. Petrovsky,I.G., “Lectures on Theory of Integral Equations”, MirPub, Moscow, (1971)6. Andrews,L.A., “Special Functions for Sciences &Engineers”, Mcgraw Hill, Newyork,

(1992).

6

MTPEDR12 DIGITAL CONTROL SYSTEMS 3 0 0 3

UNIT-I INTRODUCTION 9-HoursIntroduction to discrete time control system - Sampling and holding - sample and hold

device - D/A, A/D conversion – sampling theorem – data interpolation Z transform –properties - inverse Z transform - Pulse transfer functionUNIT-II STATE VARIABLE TECHNIQUE 9-Hours

State equations of discrete time systems – solution of state equation - state transition matrix, its properties – state space realization and state diagram – pulse transfer function from state equation - characteristic equation - Eigen values - Eigen vectors.Similarity transformation – transformation into various canonical forms.UNIT-III CONTROLLABILITY, OBSERVABILITY AND STABILITY 9-Hours

Controllability and observability of Llinear Time Invariant (LTI) discrete data systems – tests for controllability and observability - relationship between controllability, observability and pulse transfer functionsStability of LTI discrete time systems - Jury’s stability tests – Schur - Cohn stability test - Bilinear transformation method - Lyapunov stability analysis.UNIT-IV CONTROLLER DESIGN – I 9-HoursClassical approach:

Correlation between root locations in Z-plane and time response - direct digital design in Z and W plane (under bilinear transform)State space approach:

State feedback - Design via pole placement – observer based state feedback - Introduction to digital redesign.UNIT-V CONTROLLER DESIGN – II 9-Hours

Kalman filter – optimal state estimation – optimal controllers – LQR, LQG frameworks – Extended Kalman filter.PID controller – Digital PID controller design.

L=45 T = 0 P=0, Total = 45

TEXT BOOKS:1. K.Ogata, “Discrete time control systems”, 2nd edition, Pearson Edu., 20032. Franklin, Powell, workman, “Digital control of Dynamic systems”, 3rd edition, Pearson

Edu., 2002.

REFERENCE:1. M.Gopal, “Digital Control and state variable methods”, Tata McGraw hill, New Delhi,

2003.2. Aashish Tiwari, “Modern control design with MATLAB and SIMULINK”, John Wiley and

sons Ltd., 20023. Benjin.Kuo, ‘Digital Control systems’, 2nd Edition, Oxford University, 1992.

7

MTPEDR13 ANALYSIS OF POWER CONVERTERS 3 1 0 4

UNIT – I PHASE CONTROL 9-HoursPrinciples of line commutation – Phase control – Phase controlled converters - fully controlled and half-controlled converter - Converters with FWD – feeding R, RL, RLE loads.

UNIT – II SEQUENCE CONTROL 9-HoursSequence control of converters - general features of converters – unsmoothed voltage of converter, harmonic analysis – line circuit harmonics – reactive power and power factor.

UNIT – III RECTIFICATION AND INVERTION 9-HoursRectifier 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.

UNIT – IV CYCLOCONVERTERS 9-HoursPhase controlled cyclo-converters – Principle of operation – single phase and 3-phase converter operation - reactive power – power factor.

UNIT – V AC VOLTAGE CONTROLLER 9-HoursAC 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.

L=45 T = 15 P=0, Total = 60

TEXT BOOK: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.

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

8

MTPEDR14 ANALYSIS OF INVERTERS 3 1 0 4

UNIT – I FORCED COMMUTATION 9-HoursForced commutation: Principles – methods of forced commutation – choice of commutation circuitelements.

UNIT – II INVERTERS 9-HoursInverters: Principle of inverter on the basis of 4 quadrant chopper – classification of invertersseries – principles of operation – analysis – configurations for improved performance – parallelinverters – configurations for improved performance – parallel performance – bridge invertervoltage source and current source inverters – single phase and 3 phase configuration – auxiliarycommutated inverters (McMurray) – analysis of commutation - design of commutation circuit –complementary commutation (McMurray Bedford) analysis of commutation – design ofcommutation circuit – voltage control and harmonic neutralization – necessity - different methods–DC link inverters – PWM methods – sinusoidal PWM – current source inverter – single phase and3 phase – a comparison with voltage source inverter commutation – auto sequential – differentconfigurations – ASC CSI, bridge type , 3rd harmonic inverter.

UNIT – III RESONANT CONVERTERS 9-HoursPrinciple 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.

UNIT – IV DC CHOPPER CIRCUIT 9-HoursPrinciple 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.

UNIT – V STATIC FREQUENCY CONVERSION 9-HoursStatic frequency conversion – cycloconverter – DC link inverter

SMPS – Switch mode power suppliesL=45 T = 15 P=0, Total = 60

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

design”.

9

MTPEDRP1 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.

Total no. of Hours = 45

10

MTPEDR21 DIGITAL SIGNAL PROCESSING 3 1 0 4

UNIT – I REVIEW OF DISCRETE TIME SYSTEMS 9-HoursDiscrete 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.

UNIT – II THE DISCRETE FOURIER TRANSFORM - 1 9-HoursRepresentation of Periodic Sequences-the Discrete Fourier Series - Properties of the discrete Fourier series sampling - Z-transform-discrete Fourier transform - properties of discrete Fourier Transform

UNIT – III THE DISCRETE FOURIER TRANSFORM – 2 9-HoursLinear Convolution - Decimation-in-Time and Decimation-in-Frequency -FFT Algorithms - Two-dimensional discrete Fourier Transform-spectral analysis-time, frequency analysis of signals.

UNIT – IV DIGITAL FILTER DESIGN TECHNIQUE 9-HoursIntroduction - 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.

UNIT – V EFFECTS OF FONITE REGISTER LENGTH IN DIGITAL SIGNAL PROCESSING 9-Hours

Introduction-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

TEXT BOOKS

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.

REFERENCES:1. Douglas F. Elliot, "Handbook of Digital Signal Processing - Engineering

Applications".Academic Press, 1987. 2. King, Robert, "Digital filtering in one and two dimensions, Design and applications” -Plenum Press, 1989.3. V.Oppenheim and Ronald W. Schafer, "Discrete time Signal processing", PHI, New

Delhi, 1992.4. M. Bellanger, "Digital Processing of Signals", John Wiley and Sons, 2000.

11

MTPEDR22 SOLID STATE DC DRIVES 3 1 0 4

UNIT – I DC DRIVES – I 9-HoursFeatures 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.

UNIT – II DC DRIVES – II 9-HoursConventional 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)

UNIT – III BRAKING 9-HoursBraking – Regressive speed reversal –dual converters and mechanical switches for four quadrant operation –closed loop control.

UNIT – IV CHOPPER FED DRIVES 9-HoursChopper 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.

UNIT – V CLOSED LOOP DRIVES 9-HoursClosed loop drives – design – converter fed and chopper fed drives. Microprocessor Control of DC Drives – Some case studies.

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

TEXT 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

12

MTPEDR23 SOLID STATE AC DRIVES 3 1 0 4

UNIT – I INDUCTION MOTOR DRIVES 9-HoursInduction 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.

UNIT – II SPEED CONTROL 12-HoursSpeed 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.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.

UNIY – III SLIP RECOVERY SCHEMES 9-HoursSlip 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.

UNIT – IV SYNCHRONOUS MOTOR DRIVES 6-HoursSynchronous 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.

UNIT – V VSI & CSI DRIVES 9-Hours

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

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

TEXT 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.

REFERENCE BOOKS:1. Murphy, JMD, Turnbull, “Thyristor Control of AC Motors”, Pergamon Press Oxford, 1988.2. Subrahmanyam Vedam, “Thyristor control of Electric drives”, TMH, !988.

13

MTPEDR24 MICROPROCESSOR APPLICATIONS IN POWER ELECTRONICS

3 0 0 3

UNIT – I INTRODUCTION 9-HoursReview of microprocessorsArchitecture and programming of 8085 and 8086 – A/D and D/A converters – interfacing of 8253, 8155 and other important interfacing ICs.

UNIT – II MICROPROCESSOR BASED FIRING SCHEMES FOR CONVERTERS 9-Hours

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.

UNIT – III MICROPROCESSOR BASED CONTROL OF ELECTRIC DRIVES 9-HoursMicroprocessors 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.

UNIT – IV CLOSED LOOP SYSTEMS 9-HoursImportance 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.

UNIT – V SPECIAL APPLICATIONS 9-HoursMicroprocessors in special applications in PE: static excitation of synchronous generators – Solid state tab changer transformers – UPS systems – Parallel control

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

TEXT BOOK

1. Subrahmanyam, Vedam, ‘Electric Drives, Concepts and applications’, TMH 1994.2. Subrahmanyam, Vedam ‘Thyristor control electric drives’ TMH 1988.

REFERENCES: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.

14

MTPEDRP2 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.

Total no. of Hours = 45

15

MTPEDR31 EMBEDDED CONTROLLERS 3 0 0 3

UNIT – I MC68HC1 1 MICROCONTROLLER 9-Hours

Architecture memory organization - Addressing modes - Instruction set - Programming techniques - simple programs

UNIT – II PERIPHERALS OF MC68HC1 1 9-Hours

I/O ports - handshaking techniques - reset and interrupts - serial communication interface - serial peripheral interface - programmable timer - analog / digital interfacing - cache memory

UNIT – III PIC 16C7X MICROCONTROLLER 9-Hours

Architecture - memory organization - addressing modes - instruction set - programming techniques - simple operation.

UNIT – IV PERIPHERAL OF PIC 16C7X MICROCONTROLLER 9-Hours

Timers - interrupts - I/O ports - I2C bus for peripheral chip access - A/D converter - VART

UNIT – V SYSTEM DESIGN USING MICROCONTROLLERS 9-Hours

Interfacing LCD display - Keypad interfacing - AC load control - PID control of DC motor - stepper motor control - brush less DC motor control.

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

TEXT BOOK:1. John B.Peatman , ‘Design with PIC Microcontrollers,’ Pearson Education, Asia 2004.2. Michael Khevi, ‘The M68HC1 1 Microcontroller Applications in control,

Instrumentation and communication’, Prentice Hall, New Jersey, 1997.REFERENCE BOOK:3. John B.Peatman, ‘Design with Microcontrollers’, MCGraw Hill

Muhammad Ali M azid & Janice Gilli Mazidi, The 8051 Microcontroller and Embedded systems’, Pearson Education, 1998

16

MTPEDR32 POWER QUALITY 3 0 0 3

UNIT – I POWER QUALITY 9-HoursPower Quality phenomena – Basic terminologies – various events in Power Quality - Causes for reduction in Power Quality – Power Quality Standards.

UNIT – II VOLTAGE SAGS 9-HoursCauses of voltage sags – magnitude and duration of voltage sags – Effect on adjustable AC Drives, DC Drives, computers and consumer electronics.

UNIT – III VOLTAGE INTERRUPTIONS 9-HoursOrigin of long & short interruptions – influence on various equipments – reliability of power supply – basic reliability evaluation techniques.

UNIT – IV POWER QUALITY MONITORING 9-HoursPower quality monitoring – Stochastic prediction - Mitigation of interruptions and voltage sags – Mitigation methods for power system design and Power electronic controllers at system equipment interface.

UNIT – V HARMONICS 9-HoursOrigin 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.

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

TEXT BOOKS

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.

REFERENCES:1. 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.

2. 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.

17

MTPEDRE01 NEURAL NETWORKS & FUZZY SYSTEMS 3 0 0 3

UNIT – I INTRODUCTION 9-HoursMotivation 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.

UNIT – II BACK PROPAGATION 9-HoursIntroduction to Backpropagation, Backpropagation Network (BPN) – Backpropagation training algorithm – BPN applications. Counter Proragation Network (CPN): CPN structure – Kohonen and Grossberg layers – training of CPN – applications.

UNIT – III BAM AND HOPFIELD MEMORY 9-Hours 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.

UNIT – IV INTRODUCTION TO FUZZY LOGIC 9-HoursIntroduction 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.

UNIT – V FUZZY KNOWLEDGE BASED CONTROLLER 9-HoursKnowledge 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 = 45TEXT BOOKS:

1. Wassermann P.D., " Neural computing ", Van Reinhold, 1988.2. Jacek.M.Zurada, "Introduction to Artificial Neural Systems", Jaico Publishing House, 1999.3. D.Driankov, H.Hellendroom, M.Reinfrank, “An Introduction to Fuzzy Control”, 2nd Edition.

Springer, 1995.

REFERENCES:1. Zimmermann.H.J., “ Fuzzy set Theory and its Application”, Kluwer, 1985.

2. Trimothy.J.Ross, “Fuzzy Logic with Engineering applications”, McGraw Hill Inc., 1997.3. IEEE tutorial on “Application of Neural Network to Power Systems ", 1996.

18

MTPEDRE02 ADVANCED SEMICONDUCTOR DEVICES & THEIR APPLICATIONS

3 0 0 3

UNIT – I OVERVIEW OF POWER SEMICONDUCTOR DEVICES 9-HoursSemiconductor devices as switches – Diodes – BJTs, Thyristors, MOSFETs, IGBTs, GTOs, and comparison of these and develop drive circuits and protection.

UNIT – II POWER DIODES AND BJT’S 9-HoursPower diodes – Basic V-I characteristics – Schottky diode – Snubber design – Switching characteristics of BJTs - Design of drive circuit for BJTs – Safe operating area.

UNIT – III THYRISTORS 9-HoursV-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

UNIT – IV MOSFET’S 9-HoursMOSFETs: 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.

UNIT – V MISCELLANEOUS DEVICES 9-HoursMiscellaneous modern devices like SITs, MOS controlled trhyristors devices - SITH device - comparison, Smart power control chips.Review of high frequency devices applications in converters, choppers, inverter – Use of PWM Principles to improve the performance.

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

TEXT 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.

19

MTPEDRE03 DIGITAL SIMULATION OF POWER ELECTRONICS SYSTEMS

3 0 0 3

UNIT- I MODELLING 9-HoursPrinciples of Modeling Power Semiconductor Devices - Macromodels versus Micromodels - Thyristor model - Semiconductor Device modelled as Resistance, Resistance-Inductance and Inductance-Resistance-Capacitance combination - Modelling of Electrical Machines - Modelling of Control Circuits for Power Electronic Switches. Computer Formulation of Equations for Power Electronic Systems - Review of Graph Theory as applied to Electrical Networks - Systematic method of Formulating State Equations - Computer Solution of State Equations - Explicit Integration method - Implicit Integration method.

UNIT - II PSPICE 9-Hours

Circuit Analysis Software MicroSim PSpice A/D - Simulation Overview - Creating and Preparing a Circuit for Simulation - Simulating a Circuit with PSpice A/D - Displaying Simulation Results - PSpice A/D Analyses.

UNIT- III SIMULATIONMicroSim PSpice A/D - Preparing a Schematic Creating - Models - Analog Behavioral Modeling Viewing Results - Examples of Power Electronic S UNIT IV SIMULATION WITH SABER 9-Hours

9-Hoursfor Simulation - Creating Symbols - - Setting Up and Running analyses - ystems.

Design Creation and Simulation with SaberDesigner - Placing the Parts - Editing the Symbol - Properties - Wiring the Schematic - Modifying Wire Attributes - Performing a Transient and DC Analysis - Placing Probes in the Design - Performing AC Analysis and Invoking SaberScope.

UNIT -V APPLICATIONS 9-Hours

Analysing waveforms with SaberScope - Performing Measurements on a waveform - Varying a Parameter - Displaying the Parameter Sweep Results - Measuring a Multi-Member Waveform - Simulation Examples of Power Electronic Systems. Analyses - Simple Multi-run Analyses - Statistical Analyses - Simulation Examples of Power Electronic systems.

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

TEXT BOOK

1. V.Rajagopalan: Computer Aided Analysis of Power Electronic Systems - Marcel Dekker, Inc.

2. MicroSim PSpice A/D and Basics+: Circuit Analysis Software, User's Guide, MicroSim Corporation.

REFERENCE1. MicroSim Schematics: Schematic Capture Software, User's Guide, MicroSim

Corporation.2. Getting Started with Saber Designer (Release 5.1), An Analogy Inc.

20

MTPEDRE04 ADVANCED CONTROL OF INVERTER FED INDUCTION MOTOR DRIVES

3 0 0 3

UNIT- I VECTOR AND FIELD CONTROL - I 9-Hours

Principles for vector and field-oriented control-Complex-valued dq-model of induction machines. Turns ratio and modified dq-models. Principles for field-oriented vector control of ac machines. Current controllers in stationary and synchronous co-ordinates .

UNIT - II VECTOR AND FIELD CONTROL – II 9-Hours

Generalized flux-vector control using current- and voltage decoupling networks-Generalized flux-vector oriented control. Current and voltage decoupling networks. Air gap-oriented control. Voltage-fed vector control. Stator-flux oriented vector control.

UNIT – III PARAMETER CONTROL 9-Hours

Parameter sensitivity, selection of flux level, and field weakening - Parameter detuning in steady-state operation. Parameter detuning during dynamics. Selection of flux level. Control strategies for used in the over-speed region .

UNIT- IV SENSORLESS SPEED CONTROL 9-Hours

Principles for speed sensor-less control - Principles for speed sensor-less control. Sensor-less methods for scalar control. Sensor-less methods for vector control Introduction to observer-based techniques

UNIT-V DYNAMIC MODEL OF INDUCTION MOTOR 9-Hours

Rotor-flux oriented control of current-regulated induction machine - Dynamic model of IM in rotor-flux coordinates Indirect rotor-flux oriented control of IM - Direct rotor-flux oriented control of IM.- Methods to estimation of rotor-flux

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

TEXT BOOK1 Extract of D. W. Novotny and T. A. Lipo, Vector Control and Dynamics of AC Drives, Oxford

University Press, 1996.2.P. L. Jansen and R. D. Lorenz, A Physically Insightful Approach to the Design and Accuracy Assessment of Flux Observers for Field Oriented Induction Machine Drives, IEEE Trans. on Industry Applications, Vol. 30, No. 1, Jan./Feb. 1994, pp. 101110.

REFERENCE3 Extract of I. Boldea and S. A. Nasar Electric Drives, CRC Press, 1998.

4. J.Holtz, Methods for Speed Sensorless Control of AC Drives, in K. Rajashekara Sensorless Control of AC motors. IEEE Press Book, 1996. Supplementary literature

21

MTPEDRE05 STATIC VAR CONTROLLER AND HARMONIC FILTERING

3 0 0 3

UNIT- I LOAD COMPENSATION 9-HoursFundamentals of Load Compensation, Steady-State Reactive Power Control in Electric Transmission Systems, Reactive Power Compensation and Dynamic Performance of Transmission Systems .Power Qulity Issues . Sags, Sweels, Unbalance, Flicker , Distortion, Current Harmonics - Sources of Harmonics in Distribution Systems and III Effects .

UNIT- II REACTIVE POWER COMPENSATION 9-Hours

Static Reactive Power Compensators and their control . Shunt Compensators, SVCs of Thyristor Switched and Thyristor Controlled types and their control, STATCOMs and their control, Series Compensators of Thyristor Switched and Controlled Type and their Control, SSSC and its Control, Sub-Synchronous Resonance and damping, Use of STATCOMs and SSSCs for Transient and Dynamic Stability Improvement in Power Systems

UNIT- III STATIC COMPENSATION 9-HoursConverters for Static Compensation . Single Phase and Three Phase Converters and Standard Modulation Strategies (Programmed Harmonic Elimination and SPWM) . GTO Inverters . Multi-Pulse Converters and Interface Magnetics . Multi-Level Inverters of Diode Clamped Type and Flying Capacitor Type and suitable modulation strategies (includes SVM) . Multi-level inverters of Cascade Type and their modulation . Current Control of Inverters.

UNIT- IV HARMONIC FILTERING – I 9-Hours

Passive Harmonic Filtering . Single Phase Shunt Current Injection Type Filter and its Control, Three Phase Three-wire Shunt Active Filtering and their control using p-q theory and d-q modelling . Three-phase four-wire shunt active filters . Hybrid Filtering using Shunt Active Filters . Series Active Filtering in Harmonic Cancellation Mode .

UNIT- V HARMONIC FILTERING – II 9-Hours

Current Harmonics - Sources of Harmonics in Distribution Systems and III Effects, Series Active Filtering in Harmonic Cancellation Mode . Series Active Filtering in Harmonic Isolation Mode . Dynamic Voltage Restorer and its control . Power Quality Conditioner.

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

TEXT BOOK

1. Reactive Power Control in Electric Systems by T.J.E Miller2. Understanding FACTS Concepts and Technology of Flexible AC Transmission

Systems. by N.G. Hingorani & L. GyugyiIEEE Press, 2000.Power Electronics by Ned Mohan et.al

22

MTPEDRE06 COMPUTER AIDED DESIGN OF ELECTRICAL MACHINES

3 0 0 3

UNIT – I INTRODUCTION 9-HoursConventional design procedures –Limitations - Need for analysis based design.

UNIT – II MATHAMATICAL FORMULATION OF FIELD PROBLEMS 9-HoursDevelopment 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.

UNIT – III PHILOSOPHY OF FEM 9-HoursMathematical Models – Differential / Integral equations – Finite Difference method – FiniteElement Method – Energy minimization – Variation method – 2D Field problems – Discretisation – Shape functions – Stiffness matrix – Solution techniques.

UNIT – IV CAD PACKAGES 9-HoursElements of a CAD System – Preprocessing – Modelling – Meshing – Material Properties – Boundary Conditions – Setting up solution – Post-processing.

UNIT – V DESIGN APPLICATIONS 9-HoursDesign of Solenoid Actuator – Induction motor – Switched Reluctance Motor – Synchronous Machines.

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

TEXT 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.

REFERENCES:1. D.A Lowther and P.P Silvester, “Computer Aided Design in Magnetics”, Springer Verlag,

New York, 1956.2. S.J Salon, “ Finite Element Analysis of Electrical Machines”, Kulwer Academic Publishers,

London, 1995.3. C.W.Trowbridge, “An Introduction to Computer aided Electromagnetic Analysis”, Vector

Field Ltd.4. User Manuals of MAGNET, MAXWELL& ANAYS, Software Packages.

23

MTPEDRE07 POWER ELECTRONICS APPLICATIONS IN POWER SYSTEMS

3 0 0 3

UNIT – I STATIC VAR CONTROL 9-HoursPrinciples 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)

UNIT – II POWER FACTOR IMPROVEMENT AND HARMONIC CONTROL CONVERTER 9-Hours

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.

UNIT – III VOLTAGE CONTROL 9-Hours Static Tap changer for voltage control – Static Tap changing using thyristors –comparison of different schemes – Generator excitation – schemes, comparison.

UNIT – IV UNINTERRUPTED POWER SUPPLY 9-HoursParallel redundant & non-redundant UPS, UPS using frequency devices, Resonant converters, Switched mode power supplies.

UNIT – V UNIFIED POWER FLOW CONTROL 9-Hours Implementation of power flow control using conventional thyristors, implementation of Unified power flow controller.

L= 45 T = 0 P = 0 TOTAL = 45TEXT BOOK 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.

24

MTPEDRE08 FLEXIBLE AC TRANSMISSION SYSTEMS 3 0 0 3

UNIT – I Introduction 9-HoursFACTS - a toolkit, Basic concepts of Static VAR compensator, Resonance damper, Thyristor controlled series capacitor, Static condenser, Phase angle regulator, and other controllers.

UNIT - II Series Compensation Schemes 9-HoursSub-Synchronous resonance, Torsional interaction, torsional torque, Compensation of conventional, ASC, NGH damping schemes, Modelling and control of thyristor controlled series compensators.

UNIT – III Unified Power Flow Control 9-HoursIntroduction, Implementation of power flow control using conventional thyristors, Unified power flow concept, Implementation of unified power flow controller.

UNIT – IV Design of Facts Controllers 9-HoursApproximate 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.

UNIT – V Static Var Compensation 9-HoursBasic 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 = 45TEXT BOOKS: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.REFERENCES:

1. 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.

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

25

MTPEDRE09 SOFT COMPUTING TECHNIQUES 3 0 0 3

UNIT-I FUZZY SET THEORY 9-HoursIntroduction to Neuro – Fuzzy and soft Computing – Fuzzy Sets – Basic Definition and Terminology – Set-theoretic operations – Member Function Formulation and parameterization – Fuzzy Rules and Fuzzy Reasoning - Extension principle and Fuzzy Relations – Fuzzy If-Then Rules – Fuzzy Reasoning – Fuzzy Inference Systems – Mamdani Fuzzy Models-Sugeno Fuzzy Models – Tsukamoto Fuzzy Models – Input Space Partitioning and Fuzzy Modeling.

UNIT- II OPTIMIZATION 9-HoursDerivative-based Optimization – Descent Methods – The Method of steepest Descent – Classical Newton’s Method – Step Size Determination – Derivative-free Optimization – Genetic Algorithms – Simulated Annealing – Random Search – Downhill Simplex Search.

UNIT-III NEURAL NETWORKS 9-HoursSupervised Learning Neural Networks – Perceptrons-Adaline – Backpropagation Multilayer perceptrons – Radial Basis Function Networks – Unsupervised Learning and Other Neural Networks – Competitive Learning Networks – Kohonen Self – Organizing Networks – Learning Vector Quantization – Hebbian Learning.

UNIT-IV NEURO FUZZY MODELING 9-Hours

Adaptive Neuro-Fuzzy Inference Systems – Architecture – Hybrid Learning Algorithm – learning Methods that Cross-fertilize ANFIS and RBFN – Coactive Neuro-Fuzzy Modeling – Framework – Neuron Functions for Adaptive Networks – Neuro Fuzzy Spectrum.

UNIT-V APPLICATION OF COMPUTATIONAL INTELLIGENCE 9-Hours

Printed Character Recognition – Inverse Kinematics Problems – Automobile Fuel Efficiency prediction – Soft Computing for Color Recipe Prediction.

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

TEXT BOOK

1. J.S.R.Jang, C.T.Sun and E.Mizutani, “Neuro-Fuzzy and Soft Computing”, PHI, Pearson Education 2004.

2. Timothy J.Ross,”Fuzzy Logic with Engineering Application “, McGraw Hill, 1977.

REFERENCE BOOK1. Davis E.Goldberg,”Genetic Algorithms:Search, Optimization and Machine Learning”

Addison Wesley, N.Y.,1989.2. S.Rajasekaran and G.A.V.Pai,”Neural Networks, Fuzzy Logic and Genetic

Algorithms”,PHI, 2003.3. R.Eberhart, P.simpson and R.Dobbins,”Computional Intelligence” PC Tools”,AP

Professional,Boston 1996.4.

26

MTPEDRE10 INTELLIGENT CONTROL OF AC DRIVES 3 0 0 3

UNIT – I INTRODUCTION 9-HoursIntroduction – 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.

UNIT – II VECTOR CONTROL OF AC DRIVES 9-HoursVector 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.

UNIT – III ROBUST CONTROL 9-HoursRobust control techniques: Introduction to Robust control – Robust servo control – Linear and nonlinear – Adaptive control – MRAC – Self tuning control.

UNIT – IV ROBUST AC DRIVE CONTROL 9-HoursIntroduction – Control methods – Observe for robust control – Speed observer – Speed sensor less operation – Neuro-observer – Fuzzy robust control self tuning Fuzzy controllers - Stability considerations.

UNIT – V SOFT COMPUTING APPLIED TO INTELLIGENT CONTROL OF AC DRIVES

9-HoursIntroduction – 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.

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

TEXT 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.

27

MTPEDRE11 INDUSTRIAL APPLICATION OF DRIVES 3 0 0 3

UNIT – I INTRODUCTION 9-HoursRequirments of an adjustable speed drive – Forms of drive motors – AC drives versus DC drives – Trends in drive Technology

UNIT – II DYNAMICS OF ELECTRIC DRIVES 9-HoursIntroduction – 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.

UNIT – III RATING AND HEATING OF MOTORS 9-HoursRequirements 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.

UNIT – IV DRIVES FOR SPECIFIC APPLICATIONS 9-HoursIntroduction - 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.

UNIT – V HIGH POWER INDUSTRIAL DRIVES 9-HoursIntroduction – 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.

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

TEXT BOOKS1. Vedam Subrahmanyam , “Electric Drives, Concepts and Applications” , TMH, 1994.

2. Richard M. Crowder, “Electric Drives and Their Controls”, Clorendon, Oxford 1995

28

MTPEDRE12 SPECIAL MACHINES AND CONTROLLERS 3 0 0 3

UNIT – I STEPPING MOTORS 9-HoursConstructional 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.

UNIT – II SWITCHED RELUCTANCE MOTORS 9-HoursConstructional features, principle of operation. Torque equation, Power controllers, Characteristics and control Microprocessors based controller.

UNIT – III PERMANENT MAGNET BRUSHLESS DC MOTORS 9-Hours 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.

UNIT – IV PERMANENT MAGNET SYNCHRONOUS MOTORS 9-HoursPrinciple of operation, EMF, power input and torque expressions, Phasor diagram, Power controllers, Torque speed characteristics, Self control, Vector control, Current control schemes.

UNIT – V SYNCHRONOUS RELUCTANCE MOTOR 9-Hours

Constructional features: axial and radial air gap Motors. Operating principle, reluctance torque – phase or diagram, motor characteristics.

L = 45 T = 0 P = 0 TOTAL = 45TEXT 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.

29

MTPEDRE13 MICRO CONTROLLER BASED SYSTEM DESIGN

3 0 0 3

UNIT – I ROLE OF MICROCONTROLLER 9-HoursComparison 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.

UNIT – II INTEL 8051 9-HoursArchitecture 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.

UNIT – III MOTOROLA 68HC11 9-Hours68HC11 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.

UNIT – IV 8096 CONTROLLER 9-Hours8096 Controller: Architecture of 8096 – modes – Block diagram of interrupt structure – Timers – High speed input and outputs – PWM output – Analog interface – Serial pots.

UNIT – V TYPICAL APPLICATIONS 9-HoursDC 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

TEXT BOOK

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.

30

MTPEDRE14 HVDC TRANSMISSION 3 0 0 3

UNIT – I INTRODUCTION 6-HoursComparison of AC - DC transmission - application of HVDC transmission – description of HVDC transmission system - HVDC system components and their functions.

UNIT – II ANALYSIS OF HVDC CONVERTERS 9-HoursPulse number – choice of converter configuration, simplified analysis Graetz circuit – Converter bridge characteristics – Characteristics of 12-pulse converter – detailed analysis of converters.

UNIT –III HVDC SYSTEM CONTROL 9-HoursPrinciples 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.

UNIT – IV HARMONICS AND FILTERS 9-HoursIntroduction – generation of harmonics – design of AC filters – DC filters – Carrier frequency and RI noise.

UNIT – V TRANSIENT STABILITY ANALYSIS & SIMULATION OF HVDC SYSTEMS12-Hours

Modelling of converter - DC network - AC network and synchronous generator -solution methodology - transient stability improvement using DC link control. Introduction - system simulation - Philosophy and tools - HVDC system simulation - modelling of HVDC systems for digital dynamic simulation.

L = 45 T = 0 P = 0 TOTAL = 45TEXT BOOKS:

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.

REFERENCES:1. Arrillaga J. and Arnald C.P., & Parker B.J., "Computer modelling of Electric power

systems", John wiley & sons, 1983.2. Arrillaga J., " High voltage direct current transmission ", Peter Peregrinus, London, 1983.

31

MTPEDRE15 EMI PREDICTION AND ANALYSIS 3 0 0 3

UNIT – I INTRODUCTION 9-HoursEMP environments- causes of EMI- basic EMP environment- relationship with other effects- EMC practices.

UNIT – II SOURCES OF INFERENCES 9-HoursConductive and Radiated Inference- sources- characteristics and design methods to eliminate inference.

UNIT – III METHOD OF HARDENING 9-HoursEffects on components - protective techniques - shielding - grounding -filtering – surge Diverters.

UNIT – IV MATHEMATICAL MODELING 9-HoursMathematical models for interference prediction – Electromagnetic compatibility.

UNIT – V STANDARDS AND LABORATORY TECHNIQUES 9-HoursIndustrial and government standards- FCC requirements- CISPR recommendations- laboratory techniques- measurement methods for field strength, EMI.

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

TEXT 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.REFERENCE BOOKS:3. IEEE National Symposiums on Electromagnetic compatibility, IEEE.4. WWW.emf-emi.com

32

MTPEDRE16 SWITCHED MODE AND RESONANT CONVERTERS

3 0 0 3

UNIT- I SMPS TOPOLOGIES 9-HoursBuck, Boost, Buck-Boost SMPS Topologies . Basic Operation- Waveforms - modes of operation - switching stresses - switching and conduction losses - optimum switching frequency - practical voltage, current and power limits - design relations - voltage mode control principles.Push-Pull and Forward Converter Topologies - Basic Operation . Waveforms - Flux Imbalance Problem and Solutions - Transformer Design -Output Filter Design - Switching Stresses and Losses -Forward Converter Magnetics --Voltage Mode Control.UNIT- II CONTROL OF SMPS 9-HoursVoltage Mode Control of SMPS . Loop Gain and Stability Considerations . Shaping the Error Amp frequency Response . Error Amp Transfer Function . Transconductance Error Amps . Study of popular PWM Control Ics (SG 3525,TL 494,MC34060 etc.) Current Mode Control of SMPS . Current Mode Control Advantages . Current Mode Vs Voltage Mode . Current Mode Deficiencies . Slope Compensation . Study of a typical Current Mode PWM Control IC UC3842.UNIT- III MODELLING OF SMPS 9-HoursModeling of SMPS . State Space Averaging and Linearisation . State Space Averaging Approximation for Continuity . Discontinuous Conduction Modes . Small Signal Approximation- General Second Order Linear Equivalent Circuits . The DC Transformer . Voltage Mode SMPS Transfer Function . General Control Law Considerations . Source to State Transfer Function . Source to Output Transfer Function . Stability . Loop CompensationEMI Generation and Filtering in SMPS - Conducted and Radiated Emission Mechanisms in SMPS . Techniques to reduce Emissions . Control of Switching Loci . Shielding and Grounding . Power Circuit Layout for minimum EMI . EMI Filtering at Input and Output . Effect of EMI Filter on SMPS Control DynamicsUNIT- IV RESONANT CONVERTERS 9-HoursIntroduction to Resonant Converters . Classification of Resonant Converters . Basic Resonant Circuit Concepts . Load Resonant Converter . Resonant Switch Converter . Zero Voltage Switching Clamped Voltage Topologies . Resonant DC Link Inverters with Zero Voltage Switching . High Frequency Link Integral Half Cycle Converter

33

UNIT – V BRIDGE CONVERTERS 9-HoursHalf and Full Bridge Converters . Basic Operation and Waveforms- Magnetic . Output Filter . Flux Imbalance . Switching Stresses and Losses . Power Limits . Voltage Mode Control. Fly back Converter- discontinuous mode operation . waveforms . Control . Magnetic- Switching Stresses and Losses . Disadvantages - Continuous Mode Operation . Waveforms . Control . Design Relations.

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

TEXT BOOKS:

1. Abraham I Pressman: Switching Power Supply Design, McGraw Hill Publishing Company.

2. Daniel M Mitchell: DC-DC Switching Regulator Analysis, McGraw Hill Publishing Company.

REFERENCES:3. Ned Mohan et.al: Power Electronics, John Wiley and Sons.4. Otmar Kilgenstein:Switched Mode Power Supplies in Practice, John Wiley and

Sons.Supplies. . Van Nostrand Reinhold, New York.

34

MTPEDRE17 ADVANCED POWER SEMI CONDUCTOR DEVICES

3 0 0 3

UNIT - I INTRODUCTION 9-Hours

Power switching devices overview – Attributes of an ideal switch, application requirements, circuit symbols; Power handling capability – (SOA); Device selection strategy – On-state and switching losses – EMI due to switching - Power diodes - Types, forward and reverse characteristics, switching characteristics – rating.

UNIT - II CURRENT CONTROLLED DEVICES 9-Hours

BJT’s – Construction, static characteristics, switching characteristics; Negative temperature co-efficient and secondary breakdown; Power darlington - Thyristors – Physical and electrical principle underlying operating mode, Two transistor analogy – concept of latching; Gate and switching characteristics; converter grade and inverter grade and other types; series and parallel operation; comparison of BJT and Thyristor – steady state and dynamic models of BJT & Thyristor.

UNIT III VOLTAGE CONTROLLED DEVICES 9-Hours

Power MOSFETs and IGBTs – Principle of voltage controlled devices, construction, types, static and switching characteristics, steady state and dynamic models of MOSFET and IGBTs - Basics of GTO, MCT, FCT, RCT and GATT.

UNIT - IV FIRING AND PROTECTING CIRCUITS 9-Hours

Necessity of isolation, pulse transformer, optocopler – Gate drives circuit: SCR, MOSFET, IGBTs and base driving for power BJT. - Over voltage, over current and gate protections; Design of snubbers.

UNIT - V THERMAL PROTECTION 9-Hours

Heat transfer – conduction, convection and radiation; Cooling – liquid cooling, vapour – phase cooling; Guidance for hear sink selection – Thermal resistance and impedance - Electrical analogy of thermal components, heat sink types and design – Mounting types.

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

TEXT BOOKS:

1. B.W Williams ‘ Power Electronics Circuit Devices and Applications’.19922. Rashid M.H., " Power Electronics Circuits, Devices and Applications ", Prentice Hall

India, Third Edition, New Delhi, 2004.REFERENCES:3. MD Singh and K.B Khanchandani, “Power Electronics”, Tata McGraw Hill, 2001.4. Mohan, Undcland and Robins, “Power Electronics – Concepts, applications and

Design, John Wiley and Sons, Singapore, 2000.

35

MTPEDRE18 CONTROLLERS FOR POWER ELECTRONICS SYSTEMS

3 0 0 3

UNIT-I REVIEW OF MICROPROCESSORS 9-HoursArchitecture and Programming of 8085 and 8086, A/D and D/A converters. Interfacing of 8253, 8255, 8155 and other important interfacing ICs.UNIT-II MICROPROCESSOR BASED FIRING SCHEME FOR CONVERTERS 9-HoursFiring schemes for single phase and three phase rectifiers-3-phase AC choppers, Firing at variable frequency environments, Firing scheme for DC choppers, voltage and current communication, Inverters, types of pulse width modulation techniques, their implementation. Using microprocessors, Application of these firing schemes to the control of DC drive, induction motors, synchronous motors and other special machines, Application in Electrical Traction.UNIT-III MICROPROCESSORS IN CLOSED LOOP CONTROL SCHEMES 9-HoursImportance of measurement and sensing in closed loop control, Measurement of voltage, current, speed, power and power factor using microprocessors, Implementation of various types of controllers using microprocessors.UNIT-IV MICROPROCESSORS IN SPECIAL APPLICATIONS OF

POWER ELECTRONICS 9-HoursStatic excitation of synchronous generators, Solid State tap-changers for transformers, UPS systems, Induction furnace control.UNIT-V BASIC SENSING AND MEASUREMENT 9-HoursMeasurement techniques for on-line measurement of DC and AC voltages, currents and phase angle. Digital implementation of P PI and PID controllers.

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

TEXT BOOK :1 .Gaonkar, R.S., " Microprocessor Architecture ", Programming and Application with

8080/8085 " Wiley Eastern Limited, New Delhi, 2000.2.Hall, D.V. " Microprocessors and Interfacing ", McGraw-Hill Publishing Company, New

Delhi,1 986.REFERENCES:3.Lecture notes on " Microprocessor in power Electronics ", Prepared by Power

Electronics division, SEEE, College of Engineering, Chennai.4.William Kleitz,’ Microprocessor and Microcontroller Fundamentals of 8085 and 8051 Hardware and Software’, Pearson Education,1998.

36