M.Tech(power electronics) Syllabus

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           Please find the M.Tech power electronics syllabus.

COURSE STRUCTURE AND SYALLABUS FOR

M. TECH. (POWER ELECTRONICS)

                                                      I SEMESTER

Code	Group	Subject	L	P	Credits
		Machine Modeling & Analysis	3	0	3
		Analysis of Power Electronic Converters	3	0	3
		Modern Control Theory	3	0	3
		Power electronic Control of DC Drives	3	0	3
	Elective -1	1.   HVDC Transmission	3	0	3
		Operations Research
		Modern Power electronics
	Elective -2	Programmable logic controllers and their applications	3	0	3
		Energy Conservation Systems
		Dynamics of Electrical Machines
	Lab	Power Converters Lab	0	3	2
		Seminar	-	-	2
		Total Credits  (6 Theory + 1 Lab.)			22

II SEMESTER

Code	Group	Subject	L	P	Credits
		Power Electronic  control of AC Drives	3	0	3
		Microprocessor and Microcontroller	3	0	3
		Flexible AC Transmission Systems (FACTS)	3	0	3
		Neural And Fuzzy Systems	3	0	3
	Elective -1	Digital Control Systems	3	0	3
		Power Quality
		Advanced Digital Signal Processing
	Elective -2	Reliability Engineering	3	0	3
		Enterprise Resource Planning
		Embedded Systems
	Lab	Electrical Systems Simulation Lab	0	3	2
		Seminar	-	-	2
		Total Credits  (6 Theory + 1 Lab.)			22

II YEAR   - I Semester

Code	Group	Subject	L	P	Credits
		Comprehensive Viva	-	-	2
		Project Seminar	0	3	2
		Project work	-	-	18
		Total Credits			22

II  YEAR  -   II  Semester          

Code	Group	Subject	L	P	Credits
		Project work and Seminar	-	-	22

I Year – I sem M.Tech (Power Electronics)                                    L     T/P/D      C                                                                                                                                 3          0          3

MACHINE MODELLING AND ANALYSIS

Unit I: Basic Two-pole DC machine - primitive 2-axis machine - Voltage and Current relationship - Torque equation

Unit II: Mathematical model of separately excited DC motor and DC Series motor in state variable form - Transfer function of the motor - Numerical problems.

Mathematical model of D.C. shunt motor and D.C. Compound motor in state variable form - Transfer function of the motor - Numerical Problems.

Unit III: Linear transformation-Phase transformation (a,b,c to a,p,o)-Active transformation(a,p,o to d,q).Circuit model of a 3 pahse Induction motor - Linear transformation - Phase Transformation - Transformation to a Reference frame - Two axis models for Induction motor.

Unit IV: Voltage and current Equations in stator reference frame - Equation in Rotor reference frame - Equations in a synchronously rotating frame - Torque equation-Equations in state-space form.

Unit V: Circuit model of a 3ph Synchronous motor - Two axis representation of Syn. Motor.Voltage and current Equations in state - space variable form - Torque equation.

BOOKS :

1. Thyristor control of Electric Drives     - Vedam Subramanyam.

2. Analysis of electric machinery and Drive systems      - Paul C.Krause , Oleg

     wasynezuk, Scott D.Sudhoff

I Year – I sem M.Tech (Power Electronics)                                    L     T/P/D      C                                                                                                                                 3          0          3

ANALYSIS OF POWER ELECTRONIC CONVERTERS

Unit I  Single Phase AC Voltage Controllers.

Single phase AC voltage controllers with Resistive, Resistive-inductive and Resistive-inductive-induced e.m.f. loads - ac voltage controllers with PW Control - Effects of source and load inductances - Synchronous tap changers-Applications - numerical problems.

Unit II            Three Phase AC Voltage Controllers.

Three phase AC voltage controllers - Analysis of controllers with star and delta Connected Resistive, Resistive-inductive loads - Effects of source and load Inductances - applications - numerical problems.

Cycloconverters.

Single phase to single phase cycloconverters - analysis of midpoint and bridge Configurations - Three phase to three phase cycloconverters - analysis of Midpoint and bridge configurations - Limitations - Advantages - Applications- numerical problems.

Unit III  Single Phase Converters.

Single phase converters - Half controlled and Fully controlled converters -Evaluation of input power factor and harmonic factor - continuous and Discontinuous load current - single phase dual converters - power factor Improvements - Extinction angle control - symmetrical angle control - PWM -single phase sinusoidal PWM - single phase series converters - Applications -Numerical problems.

Three Phase Converters.

Three phase converters - Half controlled and fully controlled converters -Evaluation of input power factor and harmonic factor - continuous and Discontinuous load current - three phase dual converters - power factor Improvements - three phase PWM - twelve pulse converters - applications -Numerical problems.

Unit VI   D.C. to D.C. Converters

Analysis of step-down and step-up dc to dc converters with resistive and Resistive-inductive loads - Switched mode regulators - Analysis of Buck Regulators - Boost regulators - buck and boost regulators - Cuk regulators - Condition for continuous inductor current and capacitor voltage - comparison of regulators -Multiouput boost converters - advantages - applications - Numerical problems.

Unit V        Pulse Width Modulated Inverters(single phase).

Principle of operation - performance parameters - single phase bridge inverter -evaluation of output voltage and current with resistive, inductive and Capacitive loads - Voltage control of single phase inverters - single PWM - Multiple PWM - sinusoidal PWM - modified PWM - phase displacement Control - Advanced modulation techniques for improved performance - Trapezoidal, staircase, stepped, harmonic injection and delta modulation - Advantage - application - numerical problems.

Pulse Width Modulated Inverters(three phase).

Three phase inverters - analysis of 180 degree condition for output voltage And current with resistive, inductive loads - analysis of 120 degree Conduction - voltage control of three phase inverters - sinusoidal PWM - Third Harmonic PWM – 60 degree PWM - space vector modulation -       Comparison of PWM techniques

- harmonic reductions - Current Source Inverter - variable d.c. link inverter - boost inverter  -   buck   and  boost  inverter   -   inverter  circuit  design  -   advantages  -applications - numerical problems.

Text books:

1. Power Electronics - Mohammed H.  Rashid - Pearson Education -Third  

    Edition - First Indian reprint 2004.

2.    Power Electronics - Ned Mohan, Tore M. Undeland and William P. Robbins –

       John Wiley and      Sons - Second Edition

I Year – I sem M.Tech (Power Electronics)                                    L     T/P/D      C                                                                                                                                 3          0          3

MODERN CONTROL THEORY

UNIT –I         Mathematical Preliminaries

Fields, Vectors and Vector Spaces – Linear combinations and Bases – Linear Transformations and Matrices – Scalar Product and Norms – Eigenvalues, Eigen Vectors and a Canonical form representation of Linear operators – The concept of state – State Equations for Dynamic systems – Time invariance and Linearity – Nonuniqueness of state model – State diagrams for Continuous-Time State models –

UNIT- II         State Variable Analysis

Linear Continuous time models for Physical systems– Existence and Uniqueness of Solutions to Continuous-Time State Equations – Solutions of Linear Time Invariant Continuous-Time State Equations – State transition matrix and it’s properties

Controllability And Observability

General concept of controllability – General concept of Observability – Controllability tests for Continuous-Time Invariant Systems – Observability tests for Continuous-Time Invariant Systems – Controllability and Observability of State Model in Jordan Canonical form – Controllability and Observability Canonical forms of State model

UNIT- III       Non Linear Systems -I

Introduction – Non Linear Systems -  Types of Non-Linearities – Saturation – Dead-Zone  - Backlash – Jump Phenomenon etc;– Singular Points – Introduction to Linearization of nonlinear systems, Properties of Non-Linear systems – Describing function–describing function analysis of nonlinear systems – Stability analysis of Non-Linear systems through describing functions

Non Linear Systems -II

Introduction to phase-plane analysis, Method of Isoclines for Constructing Trajectories, singular points, phase-plane analysis of nonlinear control systems.

UNIT-IV        Stability Analysis

 Stability in the sense of Lyapunov, Lyapunov’s stability and Lypanov’s instability theorems - Stability Analysis of the Linear continuous time invariant systems by Lyapunov second method – Generation of Lyapunov functions – Variable gradient method – Krasooviski’s method.

State Feedback Controllers And Observers

State feedback controller design through Pole Assignment – State observers: Full order and Reduced order

UNIT – V      

Introduction to optimal control - Formulation of  optimal control problems – calculus of variations – fundamental concepts, functionals, variation of functionals – fundamental theorem of theorem of Calculus of variations – boundary conditions – constrained minimization – formulation using Hamiltonian method – Linear Quadratic regulator

Text Books:

1. Modern Control System Theory by M.Gopal –  New Age International -1984
2. Modern Control Engineering by Ogata.K – Prentice Hall - 1997 

References:

1. Optimal control by Kirck

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I Year – I sem M.Tech (Power Electronics)                                    L     T/P/D      C                                                                                                                                 3          0          3

 POWER ELECTRONIC CONTROL OF DC DRIVES

UNIT – I        Controlled Bridge Rectifier (1- f) with DC Motor Load

Separately excited DC motors with rectified single-phase supply – single-phase semi converter and single phase full converter for continuous and discontinuous modes of operation – power and power factor

UNIT – II       Controlled Bridge Rectifier (3- f) with DC Motor Load

Three-phase semi converter and Three phase full converter for continuous and discontinuous modes of operation – power and power factor – Addition of Free wheeling diode – Three phase double converter

Three phase naturally commutated bridge circuit as a     rectifier or as an inverter

Three phase controlled bridge rectifier with passive load impedance, resistive load and ideal supply – Highly inductive load and ideal supply for load side and supply side quantities, shunt capacitor compensation, three phase controlled bridge rectifier inverter.

UNIT – III     Phase controlled DC Motor drives

Three phase controlled converter, control circuit, control modeling of three phase converter – Steady state analysis of three phase converter control DC motor drive – Two quadrant, Three phase converter controlled DC motor drive – DC motor and load, converter

Current and Speed controlled DC Motor drives

Current and speed controllers – current and speed feedback – Design of controllers – Current and speed controllers – Motor equations – filter in the sped feed back loop speed controller – current reference generator – current controller and flow chart for simulation – Harmonics and associated problems – sixth harmonics torque.

UNIT – IV     Chopper controlled DC motor drives

Principle of operation of the chopper – Four- quadrant chopper circuit – Chopper for inversion – Chopper with other power devices – model of the chopper – input to the chopper – steady state analysis of chopper controlled DC motor drives – rating of the devices – Pulsating torque.

Closed loop operation of DC motor drives

Speed controlled drive system – current control loop – pulse width modulated current controller – hysterisis current controller – modeling of current controller – design of current controller

UNIT – V       Simulation of DC motor drives

Dynamic simulations of the speed controlled DC motor drives – Speed feedback speed controller – command current generator – current controller.

Reference Books:

1.                  Power Electronics and motor control – Shepherd, Hulley, Liang – II Edition, Cambridge University Press

2.                  Electric motor drives modeling, Analysis and control – R.Krishnan – I  Edition, Prentice Hall India

3.                  Power Electronic circuits, Devices and Applications – M.H.Rashid – PHI – I Edition – 1995

4.                  Fundamentals of Electric Drives – G.K. Dubey- Narosa Publications -1995

5.                  Power Semiconductor drives – S.B.Dewan and A.Straughen - 1975

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I Year – I sem M.Tech (Power Electronics)                                    L     T/P/D      C                                                                                                                                 3          0          3

 H.V.D.C. TRANSMISSION
(Elective – I)

Unit I :H.V.D.C. Transmission : General considerations, Power Handling Capabilities of HVDC Lines, Basic Conversion principles, static converter configuration.

Unit II : Static Power Converters : 3-pulse, 6-pulse and 12-pulse converters, converter station and Terminal equipment, commutation process, Rectifier and inverter operation, equivalent circuit for converter – special features of converter transformers.
Harmonics in HVDC Systems, Harmonic elimination, AC and DC filters.

Unit III : Control of HVDC Converters and systems : constant current, constant extinction angle and constant Ignition angle control. Individual phase control and equidistant firing angle control, DC power flow control.
Interaction between HV AC and DC systems – Voltage interaction, Harmonic instability problems and DC power modulation.

Unit IV : Multi-terminal DC links and systems; series, parallel and series parallel systems, their operation and control.
Transient over voltages in HVDC systems : Over voltages due to disturbances on DC side, over voltages due to DC and AC side line faults

Unit V:Converter faults and protection in HVDC Systems: Converter faults, over current protection - valve group, and DC line protection. Over voltage protection of converters, surge arresters.

Reference Books :

1. E.W. Kimbark : Direct current Transmission, Wiely Inter Science –
NewYork.

1. J.Arillaga : H.V.D.C.Transmission Peter Peregrinus ltd., London UK 1983

2. K.R.Padiyar : High Voltage Direct current Transmission, Wiely Eastern Ltd., New Delhi – 1992.

3. E.Uhlman : Power Transmission by Direct Current, Springer Verlag, Berlin Helberg – 1985.

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I Year – I sem M.Tech (Power Electronics)                                    L     T/P/D      C                                                                                                                                 3          0          3

OPERATION RESEARCH

(Elective – I)

Unit I:

Linear Programming Problem: Formulation – Graphical method - Simplex method – Artificial variable techniques – Big-M tune –phase methods.

Duality theorem – Dual simplex method – Sensitivity analysis - effect of changes in cost coefficients, Constraint constants, Addition/Deletion of variables and constraints

Unit II:

Transportation problem – formulation – Initial basic feasible solution methods – Northwest, Least cost and Vogels methods, MODI optimization - Unbalanced and degeneracy treatment

Assignment problem – Formulation – Hungarian method – Variants of assignment problems, Sequencing problems – Flow shop sequencing – n jobs2 machines sequencing - n jobs3 machines sequencing – Job-shop sequencing – 2 jobsm machines sequencing – Graphical methods

Unit III:

Game Theory - Introduction - Terminology – Saddle point games - with out Saddle point games - 22 games, analytical method - 2n and m2 games – graphical method – dominance principle

Dynamic programming – Bellman’s principle of optimality – short route – capital investment – inventory allocation

Unit IV:

Non linear optimization – Single variable optimization problem – Unimodal function - Elimination methods – Fibinocci and Golden reaction methods – Interpolation methods - Quadratic and cubic interpotation method.

Multi variable optimization problem – Direct research methods – Univariant method – Pattern search methods – Powell’s , Hook-Jeaves and Rosen-brock’s search method.

Unit V:

Geometric programming – Polynomial – Arithmetic – Seametric inequality – Unconstrained G.P – Constraint G.P with type constraint.

Simulation: Definition – Types- steps- Simulation of simple electrical systems – Advantages and Disadvantages

TEXT BOOKS:

1. Optimization theory and Applications – S.S.Rao, New Age Internationals

2. Operations Research - S.D.Sharma, Galgotia publishers

3. Operations Research – Kausur and Kumar, Spinger Publishers

REFERENCES:

1. Optimization techniques: Theory and Practice – M.C.Joshi and K.M. More Ugalya, Narosa Publications

2. Optimization : Theory and Practice – Beweridze, Mc Graw Hill

3. Simulation Modelling and Analysis – Law and Kelton –TMH

4. Optimization Concepts and Applications in Engineering- A.D. Belegundu, J.R. Chandrupata, Pearson Education, Asia

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I Year – I sem M.Tech (Power Electronics)                                    L     T/P/D      C                                                                                                                                 3          0          3

MODERN POWER ELECTRONICS

(Elective – I)

Unit I : Modern power semiconductor devices

Modern power semiconductor devices – MOS Turn Off Thyristor (MTO) – Emitter Turn Off Thyristor (ETO) – Intergrated Gate-Commutated thyristor (IGCTs) – MOS-controlled thyristors(MCTs) – Static Induction Thyristors (SITHs) – Power integrated circuits (PICs) – symbol, structure and equivalent circuit – comparison of their features.

Unit II : Resonant Pulse Inverters

  Resonant pulse inverters – series resonant inverters – series resonant inverters

             With unidirectional switches – series resonant inverters with bidirectional

             Switches – analysis of half bridge resonant inverter – evaluation of currents and

Voltages of a simple resonant inverter – analysis of half bridge and full bridge     resonant inverter with bidirectional switches – Frequency response of series resonant inverters – for series loaded inverter – for parallel loaded inverter –

For series and parallel loaded inverters – parallel resonant inverters –

Voltage control of resonant inverters – class E resonant inverter – class E resonant rectifier – evaluation of values of C’s and L’s for class E inverter and

Class E rectifier – numerical problems.

            Resonant converters.

               Resonant converters – zero current switching resonant converters – L type

               ZCS resonant converter – M type ZCS resonant converter – zero voltage

               Switching resonant converters – comparison between ZCS and ZVS resonant

               Converters – Two quadrant ZVS resonant converters – resonant dc-link

               Inverters – evaluation of L and C for a zero current switching inverter –

               Numerical problems.

Unit III : Multilevel Inverters.

               Multilevel concept – Classification of multilevel inverters – Diode clamped

               Multilevel inverter – principle of operation – main features – improved diode

               Clamped inverter – principle of operation – Flying capacitors multilevel inverter

               -principle of operation – main features –

             Multilevel Inverters (continued)

cascaded multilevel inverter – principle of operation – main features – Multilevel  inverter applications – reactive power compensation – back to back intertie system – adjustable drives -Switching device currents – dc link capacitor voltage balancing – features of  Multilevel inverters – comparisons of multilevel converters. 

Unit IV : DC Power Supplies.

              DC power supplies – classification - switched mode dc power supplies – flyback

              Converter – forward converter – push-pull converter – half bridge converter –

              Full bridge converter – Resonant d c power supplies – bidirectional power

              Supplies – Applications.

Unit V : AC Power Supplies.

               AC power supplies – classification – switched mode ac power supplies –

               Resonant AC power supplies – bidirectional ac power supplies – multistage

               conversions – control circuits – applications.

             Power Conditioners and Uninterruptible Power Supplies.

            Introduction – power line disturbances – power conditioners – uninterruptible

            Power supplies – applications.

            Text books:

1. Power Electronics – Mohammed H. Rashid –Pearson Education – Third Edition – first Indian reprint – 2004.
2. Power Electronics – Ned Mohan , Tore M. Undeland and William P. Robbins – John Wiley & Sons –Second Edition.

                          

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I Year – I sem M.Tech (Power Electronics)                                    L     T/P/D      C                                                                                                                                 3          0          3

 

PROGRAMMABLE LOGIC CONTROLLERS AND THEIR APPLICATIONS

 (ELECTIVE  II)

Unit I:

PLC Basics: PLC system, I/O modules and interfacing, CPU processor, programming equipment, programming formats, construction of PLC ladder diagrams, devices connected to I/O modules.

Unit II:

PLC Programming: Input instructions, outputs, operational procedures, programming examples using contacts and coils. Drill press operation.

Digital logic gates, programming in the Boolean algebra system, conversion examples. Ladder diagrams  for process control: Ladder diagrams & sequence listings, ladder diagram construction and flow chart for spray process system.

Unit III:

PLC Registers: Characteristics of Registers, module addressing, holding registers, input registers, output registers.

PLC Functions: Timer functions & Industrial applications, counters, counter function industrial applications, Arithmetic functions, Number comparison functions, number conversion functions.

Unit IV:

Data Handling functions: SKIP, Master control Relay, Jump, Move, FIFO, FAL, ONS, CLR & Sweep functions and their applications.

Bit Pattern and changing a bit shift register, sequence functions and applications, controlling of two axis & three axis Robots with PLC, Matrix functions.

Unit V:

Analog PLC operation: Analog modules & systems, Analog signal processing, multi bit data processing, analog output application examples, PID principles, position indicator with PID control, PID modules, PID tuning, PID functions.

Reference Books:

1. Programmable Logic Controllers – Principle and Applications by John W. Webb & Ronald A. Reiss, Fifth Edition, PHI

2.  Programmable Logic Controllers – Programming Method and Applications by JR. Hackworth & F.D Hackworth Jr. – Pearson, 2004.

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I Year – I sem M.Tech (Power Electronics)                                    L     T/P/D      C                                                                                                                                 3          0          3

ENERGY CONSERVATION SYSTEMS

(Elective – II)

UNIT-I

Photo voltaic power generation ,spectral distribution of energy in solar radiation, solar cell configurations, voltage developed by solar cell, photo current and load current, practical solar cell performance, commercial photo voltaic systems, test specifications for pv systems, applications of super conducting materials in electrical equipment systems.

UNIT-II

 Principles of MHD power generation, ideal MHD generator performance, practical MHD generator, MHD technology.

UNIT-III

Wind Energy conversion: Power from wind, properties of air and wind, types of wind Turbines, operating characteristics. Tides and tidal power stations, Modes of operation , tidal project examples, turbines and generators for Tidal power generation. Wave energy conversion: properties of waves and Power content, vertex motion of Waves, device applications. Types of Ocean thermal energy conversion systems Application of OTEC systems Examples, micro hydel developments.

UNIT-IV

Miscellaneous energy conversion systems: coal gasification and liquefaction, biomass conversion, geothermal energy, thermo electric energy conversion, fuel cells and batteries, principles of EMF generation, description of fuel cells, description of batteries, battery application for large powers.

UNIT-V

Co-generation and energy storage, combined cycle co-generation, energy storage. Global energy position and environmental effects: energy units, global energy position.. Environmental effects of energy conversion systems, pollution from coal and preventive measures steam stations and pollution, pollution free energy systems.

TEXT BOOK

1“Energy conversion systems” by Rakosh das Begamudre, New age international publishers, New Delhi - 2000.

2’’.Renewble Energy Resources’’ by John Twidell and Tony Weir,2^nd edition,Fspon & co.

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I Year – I sem M.Tech (Power Electronics)                                    L     T/P/D      C                                                                                                                                 3          0          3

DYNAMICS OF ELECTRICAL MACHINES

(ELECTIVE-II)

Unit I:  Basic Machine Theory

Electromechanical Analogy – Magnetic Saturation – Rotating field theory – Operation of Inductor motor – equivalent circuit – Steady state equations of d.c. machines – operation of synchronous motor – Power angle characteristics.

Unit II: Electrodynamical equations and their solutions

Spring and Plunger system – Rotational motion – mutually coupled coils – Lagrange’s equation – Application of Lagrange’s equation – solution of Electro dynamical equations.

Unit III: Dynamics of D.C. Machines

Separately excited d.c. generators – stead state analysis – transient analysis – Separately excited d.c. motors – steady state analysis – transient analysis – interconnection of machines – Ward Leonard system of speed control.

Unit IV: Induction Machine Dynamics

Induction machine dynamics during starting and braking – accelerating time – Induction machine dynamics during normal operation – Equation for dynamical response of the Induction motor.

Unit V:  Synchronous Machine Dynamics

Electromechanical equation – motor operation – generator operation – small oscillations – general equations for small oscillations – representation of the oscillation equations in state variable form.

Reference Books :

1.                  Sen Gupta D.P. and J.W. “Electrical Machine Dynamics”, Macmillan Press Ltd., 1980

    2.        Bimbhra P.S. “Generalized Theory of Electrical Machines”, Khanna Publishers

               2002.

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I Year – I sem M.Tech (Power Electronics)                                    L     T/P/D      C                                                                                                                                 0          3          2

POWER CONVERTERS LAB

1. Speed Measurement and closed loop control using PMDC motor

2. Thyristorised drive for PMDC Motor with speed measurement and closed loop

     control.

3. IGBT used single 4 quadrant chopper drive for PMDC motor with speed

    measurement and closed loop control.

4. Thyristorised drive for 1Hp DC motor with closed loop control.

5. Phase input, thyristorised drive, 3 Hp DC motor with closed loop

6. Phase input IGBT, 4 quadrant chopper drive for DC motor with closed loop

    control equipment.

7. Cycloconverter based AC Induction motor control equipment.

8. Speed control of 3 phase wound rotor Induction motor.

9. Single phase fully controlled converter with inductive load

10. Single phase half wave controlled converter with inductive load.

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I Year –I I sem M.Tech (Power Electronics)                                  L     T/P/D      C                                                                                                                                 3          0          3

POWER ELECTRONIC CONTROL OF A.C. DRIVES

UNIT I           Introduction to AC Drives

Introduction to motor drives – Torque production – Equivalent circuit analysis – Speed-Torque Characteristics with Variable voltage operation, Variable frequency operation, constant v/f operation – Variable stator current operation – Induction motor characteristics in constant torque and field weakening regions

UNIT II          Control of Induction motor drives at Stator side

Scalar control – Voltage fed inverter control – Open loop volts/Hz control – speed control slip regulation – speed control with torque and flux control – current controlled voltage fed inverter drive – current-fed inverter control – Independent current and frequency control – Speed and flux control in Current-Fed inverter drive – Volts/Hz control of Current-fed inverter drive – Efficiency optimization control by flux program

UNIT III        Control of Induction motor drives at Rotor side

Slip power recovery drives – Static Kramer Drive – Phasor diagram –Torque expression - Speed control of  a Kramer Drive – Static Scheribus Drive – modes of operation

Vector control of Induction Motor Drives

Principles of Vector control – Vector control methods – Direct method of vector control – Indirect method of vector control – Adaptive control principles – Self tuning regulator – Model referencing control.

UNIT IV        Control of Synchronous motor drives

Synchronous motor and its characteristics – Control strategies – Constant torque angle control – Unity power factor control Constant mutual flux linkage control

Controllers

Flux weakening operation – Maximum speed – Direct flux weakening algorithm – Constant Torque mode controller – Flux Weakening controller – Indirect flux weakening – Maximum permissible torque – speed control scheme – Implementation strategy – Speed controller design.

UNIT V          VARIABLE RELUCTANCE MOTOR DRIVE

Variable Reluctance motor drives -  Torque production in the variable reluctance motor – Drive characteristics and control principles – Current control variable reluctance motor servo drive

BRUSHLESS DC MOTOR DRIVES

Three phase full wave Brushless dc motor – Sinusoidal type of Brushless dc motor – current controlled  Brushless  dc motor Servo drive

REFERENCES:

1.                  Electric Motor Drives Pearson Modeling, Analysis & Control – R.Krishnan – Publications – 1^st edition – 2002

2.                  Modern Power Electronics and AC Drives – B.K.Bose – Pearson Publications – 1^st edition

3.                  Power Electronic control of AC Motors – MD Murphy & FG Turn Bull Pergman Press(For Chapters II, III, V) – 1^st edition

4.                  Power Electronics and AC Drives – B.K.Bose – Prentice Hall, Eagle wood diffs New Jersey(for chapters I, II, IV) – 1^st edition

5.                  Power Electronic circuits, Devices and Applications – M.H.Rashid – PHI - 1995

6.                  Fundamentals of Electrical Drives – G.K.Dubey – Narora publications  - 1995 (For Chapter II)

7.                  Power Electronics and Variable frequency drives – B.K.Bose – IEEE Press – Standard publications -1^st edition – 2002

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I Year –I I sem M.Tech (Power Electronics)                                  L     T/P/D      C                                                                                                                                 3          0          3

MICROPROCESSORS & MICROCONTROLLERS

Unit I:  8086/8088 processors : Introduction to 8086 Microprocessors, Architecture, Addressing modes, Instruction set, Register  Organization, Assembler directives.

Unit II: Hard ware description: Pindiagram :signal description  min & max modes, bus timing, ready & wait  states, 8086 based micro computing system.

Special features & Related Programming : Stack structure of 8086, Memory  segmentation, Interrupts,   ISR, NMI, MI and interrupt Programming, Macros.

Unit III: Advanced Microprocessors: Intel  80386 programming model ,memory paging, Introduction to 80486, Introduction to  Pentium Microprocessors and special  Pentium  pro features.

Basic peripherals  & Their  Interfacing:-Memory Interfacing (DRAM) PPI- Modes of operation of  8255 ,Interfacing to ADC  &    DAC.

Unit IV:-  Special  Purpose of  Programmable Peripheral Devices and Their interfacing :-Programmable   interval timer , 8253 , PIC  8259A,display controller Programmable communication  Interface  8251,USART and Exercises.

Unit V :-Microcontrollers : Introduction to Intel 8 bit  &16  bit  Microcontrollers, 8051- Architecture, Memory organization, Addressing Modes and exercises

Hardware description of 8051: Instruction  formats ,Instruction sets, interrupt Structure & interrupt priorities, Port structures &Operation linear counter  Functions ,different Modes of Operation and Programming examples.

TEXT BOOKS :-

1.”The Intel Microprocessors”   Architecture  Programming &Interfacing by  Barry  b  Brey.

2.Advanceed  Microprocessors by   kenrith    J   Ayala , Thomson publishers.

3.Microcontrollers  by  kentrith  J ayala,Thomson  publishers.

Reference Books:-

1. Microprocessors & Interfacing Programming   &  Hard ware by  DOUGLAS

     V.Hall

2. Microprocessors  &   Microcontrollers   by Prof.  C.R.Sarma

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I Year – II sem M.Tech (Power Electronics)                                  L     T/P/D      C                                                                                                                                 3          0          3

FLEXIBLE A.C. TRANSMISSION SYSTEMS

            Unit I:

            FACTS concepts: Transmission interconnections power flow in an AC system,     loading  capability limits, Dynamic stability  considerations, importance of       controllable parameters basic types of FACTS controllers, benefits from FACTS             controllers.

Unit II:

            Voltage source converters: Single phase three phase full wave bridge        converters  transformer connections for 12 pulse 24 and 48 pulse       operation.

            Three level voltage source converter, pulse width modulation           converter, basic concept of current source Converters, comparison of      current source converters with voltage source converters.

            Unit III:

            Static shunt compensation: Objectives of shunt compensation, mid point voltage regulation voltage instability prevention,  improvement of transient stability, Power oscillation damping,

             Methods of controllable var generation, variable impedance type static var  generators switching  converter type var generators hybrid var generators.

Unit IV:

            SVC and STATCOM: The regulation and slope transfer function and       dynamic performance, transient stability enhancement and power        oscillation damping operating point control and  summary of compensator    control.

Unit V:

            Static series  compensators: concept of series capacitive compensation,     improvement of transient stabillity, power oscillation damping

            Functional       requirements. GTO thyristor controlled series capacitor(GSC) ,        thyristor           switched series capacitor(TSSC), and thrystor  controlledseries           capaci- tor(TCSC) control schemes for GSC  TSSC and TCSC.

        

Text Book :

                       

1.           “ Understanding   FACTS Devices”  N.G. Hingorani and  L. Guygi.

                        IEEE Press Publications 2000.

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I Year – II sem M.Tech (Power Electronics)                                  L     T/P/D      C                                                                                                                                 3          0          3

NEURAL AND FUZZY SYSTEMS

Unit – I: Introduction to Neural Networks

Introduction, Humans and Computers, Organization of the Brain, Biological Neuron, Biological and Artificial Neuron Models, Hodgkin-Huxley Neuron Model, Integrateand- Fire Neuron Model, Spiking Neuron Model, Characteristics of ANN, McCulloch-Pitts Model, Historical Developments, Potential Applications of ANN.

Unit- II: Essentials of Artificial Neural Networks

Artificial Neuron Model, Operations of Artificial Neuron, Types of Neuron Activation Function, ANN Architectures, Classification Taxonomy of ANN – Connectivity, Neural Dynamics (Activation and Synaptic), Learning Strategy (Supervised, Unsupervised, Reinforcement), Learning Rules, Types of Application

Feed Forward Neural Networks

Introduction, Perceptron Models: Discrete, Continuous and Multi-Category, Training Algorithms: Discrete and Continuous Perceptron Networks, Perceptron Convergence theorem, Limitations of the Perceptron Model, Applications.

Unit- III: Multilayer Feed forward Neural Networks

Credit Assignment Problem, Generalized Delta Rule, Derivation of Backpropagation (BP) Training, Summary of Backpropagation Algorithm, Kolmogorov Theorem, Learning Difficulties and Improvements.

 Associative Memories

Paradigms of Associative Memory, Pattern Mathematics, Hebbian Learning, General Concepts of Associative Memory (Associative Matrix, Association Rules, Hamming Distance, The Linear Associator, Matrix Memories, Content Addressable Memory), Bidirectional Associative Memory (BAM) Architecture, BAM Training Algorithms: Storage and Recall Algorithm, BAM Energy Function, Proof of BAM Stability Theorem

Architecture of Hopfield Network: Discrete and Continuous versions, Storage and

Recall Algorithm, Stability Analysis, Capacity of the Hopfield Network.

Unit IV: Self-Organizing Maps (SOM) and Adaptive Resonance Theory (ART)

Introduction, Competitive Learning, Vector Quantization, Self-Organized Learning Networks, Kohonen Networks, Training Algorithms, Linear Vector Quantization, Stability-Plasticity Dilemma, Feed forward competition, Feedback Competition, Instar, Outstar, ART1, ART2, Applications.

Classical and Fuzzy Sets

Introduction to classical sets - properties, Operations and relations; Fuzzy sets, Membership, Uncertainty, Operations, properties, fuzzy relations, cardinalities, membership functions.

UNIT V: Fuzzy Logic System Components

Fuzzification, Membership value assignment, development of rule base and decision making system, Defuzzification to crisp sets, Defuzzification methods.

Applications

Neural network applications: Process identification, Function Approximation, control and Process Monitoring, fault diagnosis and load forecasting.

Fuzzy logic applications: Fuzzy logic control and Fuzzy classification.

TEXT BOOK:

1. Neural Networks, Fuzzy logic, Genetic algorithms: synthesis and applications by Rajasekharan and Rai – PHI Publication.

2. Introduction to Artificial Neural Systems - Jacek M. Zuarda, Jaico Publishing House, 1997.

Reference Books:

1. Neural and Fuzzy Systems: Foundation, Architectures and Applications, - N. Yadaiah and S. Bapi Raju, Pearson Education

2. Neural Networks – James A Freeman and Davis Skapura, Pearson, 2002.

3. Neural Networks – Simon Hykins , Pearson Education

4. Neural Engineering by C.Eliasmith and CH.Anderson, PHI

5. Neural Networks and Fuzzy Logic System by Bork Kosko, PHI Publications

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I Year –I I sem M.Tech (Power Electronics)                                  L     T/P/D      C                                                                                                                                 3          0          3

DIGITAL CONTROL SYSTEMS

(Elective-III)

Unit – I 

Sampling And Reconstruction

Introduction,  sample and hold operations, sampling theorem, Reconstruction of original sampled signal to  continuos –time signal.

The Z – Transforms

Introduction, Linear difference equations, pulse response, Z – transforms, Theorems of Z – Transforms, the inverse Z – transforms, Modified Z- Transforms

Z-Plane Analysis Of Discrete-Time Control System

Z-Transform method for solving difference equations; Pulse transforms function, block diagram analysis of sampled – data systems, mapping between s-plane and z-plane: primary strips and complementary strips.

UNIT – II

 State Space Analysis

State Space Representation of discrete time systems, Pulse Transfer Function Matrix solving discrete time state space equations, State transition matrix and it’s Properties, Methods for Computation of State Transition Matrix, Discretization of continuous time state – space equations

Controllability And Observability

Concepts of Controllability and Observability, Tests for controllability and Observability. Duality between Controllability and Observability, Controllability and Observability conditions for Pulse Transfer Function

UNIT – III 

Stability Analysis

Stability Analysis of closed loop systems in the Z-Plane. Jury stablility test – Stability Analysis by use of the Bilinear Transformation and Routh Stability criterion. Stability analysis  using Liapunov theorems.

UNIT – IV 

Design Of Discrete Time Control System  By Conventional Methods

Design based on the frequency response method – Bilinear Transformation and Design procedure in the w-plane, Lead, Lag and Lead-Lag compensators and digital PID controllers. Design digital control through deadbeat response method.

.

UNIT – V 

State Feedback Controllers And Observers

Design of state feedback controller through pole placement – Necessary and sufficient conditions, Ackerman’s formula.

State Observers – Full order and Reduced order observers.

Linear Quadratic Regulators

Min/Max principle ,Linear Quadratic Regulators,Kalman, state estimation through Kalman filter, Introduction to adaptive controls.

Text Books:

1.      Discrete-Time Control systems - K. Ogata, Pearson Education/PHI, 2^nd Edition

2.      Digital Control and State Variable Methods by M.Gopal, TMH

Reference Books:

1. Digital Control Systems, Kuo, Oxford University Press, 2^ndEdition, 2003.

2. Digital Control Engineering ,M.Gopal,

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I Year – II sem M.Tech (Power Electronics)                                  L     T/P/D      C                                                                                                                                 3          0          3

 POWER QUALITY

(ELECTIVE-III)

Unit I: Introduction :

       Introduction of the Power Quality (PQ) problem, Terms used in PQ: Voltage, Sag, Swell, Surges, Harmonics, over voltages, spikes, Voltage fluctuations, Transients, Interruption, overview of power quality phenomenon, Remedies to improve power quality, power quality monitoring

Unit II: Long Interruptions

       Interruptions – Definition – Difference between failure, outage, Interruptions – causes of Long Interruptions – Origin of Interruptions – Limits for the Interruption frequency – Limits for the interruption duration – costs of Interruption – Overview of Reliability evaluation to power quality, comparison of observations and reliability evaluation.

 Short Interruptions

        Short interruptions – definition, origin of short interruptions, basic principle,     

        fuse saving, voltage magnitude events due to re-closing, voltage during the

        interruption, monitoring of short interruptions, difference between medium and

        low voltage systems. Multiple events, single phase tripping – voltage and

        current during fault period, voltage and current at post fault period, stochastic

        prediction of short interruptions.

Unit III: Voltage sag – characterization – Single phase:

        Voltage sag – definition, causes of  voltage sag, voltage sag magnitude,

        monitoring, theoretical calculation of voltage sag magnitude, voltage sag

        calculation in non-radial systems, meshed systems, voltage sag duration.

       Voltage sag – characterization – Three phase:

         Three phase faults, phase angle jumps, magnitude and phase angle jumps for

          three phase unbalanced sags, load influence on voltage sags.

Unit IV: PQ considerations in Industrial Power Systems:

          Voltage sag – equipment behaviour of Power electronic loads, induction

          motors, synchronous motors, computers, consumer electronics, adjustable

          speed AC drives and its operation. Mitigation of AC Drives, adjustable speed

          DC drives and its operation, mitigation methods of DC drives.

Unit V: Mitigation of Interruptions and Voltage Sags:

         Overview of mitigation methods – from fault to trip, reducing the number of

         faults, reducing the fault clearing time changing the power system, installing

         mitigation equipment, improving equipment immunity, different events and

         mitigation methods. System equipment interface – voltage source converter,

         series voltage controller, shunt controller, combined shunt and series controller.

       Power Quality and EMC Standards:

         Introduction to standardization, IEC Electromagnetic compatibility standards,

         European voltage characteristics standards, PQ surveys.

           

Reference Book:

“Understanding Power Quality Problems”  by  Math H J Bollen. IEEE Press.

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I Year – II sem M.Tech (Power Electronics)                                  L     T/P/D      C                                                                                                                                 3          0          3

 ADVANCED DIGITAL SIGNAL PROCESSING

(ELECTIVE III)

UNIT  I          Digital Filter Structures

Block diagram representation- Equivalent structures-  FIR and IIR Digital Filter structures AII pass filters – tunable IIr digital sine - cosine generator – computational complexity of digital filter structures

.

UNIT  II         Digital Filter Design

Preliminary considerations – Bilinear transformation method of IIR filter design – design of low pass ,high pass – Band pass, and Band stop- IIR ,digital filters – spectral transformations of IIR filters – FIR filter design – based on Windowed Fourier series – design of FIR digital filters with least – mean square – error – constrained Least  - square design of FIR digital filters.

UNIT  III       DSP Algorithm Implementation

Computation of the discrete Fourier transform – Number representation – Arithmetic operations – handling of overview – Tunable digital filters – function approximation.

UNIT  IV       Analysis of Finite Word length Effects

The Quantization process and errors – Quantization of fixed – point and floating – point numbers – analysis of coefficient Quantization effects – analysis of arithmetic round – off errors – dynamic range scaling – signal – to – noise in low – order IIR filters – low – sensitivity digital filter – reduction of product round – off errors feedback limit cycles in IIR digital filter – Round – off errors in FFT algorithms.

.

UNIT  V         POWER Spectrum Estimation

Estimation of spectra from finite duration observation signals – non – parametric methods for power spectrum Estimation – parametric method for power spectrum Estimation – Estimation of spectral form – Finite duration observation of signals – Non –parametric methods for power spectrum estimation – Walsh methods – Blackman and torchy method.

Reference Books

1.  Digital Signal Processing – sanjit K.Mitra – TMH second edition.

2. Digital Time Signal Procesing:  Alan V.Oppenheim,Ronald W ,Shafer – PHI 1996   1^st Edition reprint

3. Digital Signal Processing principles –algorithms and Applications- john G. Proakis –PHI – 3^rd edition 2002.

4. Digital Signal Processing – S Salivahanan . A Vallavaraj C. Gnanapriya –TMH – 2^nd reprint 2001.

5. Theory and Applications of Digital Signal Processing – Lourens R Rebinarand Bernold.

6. Digital Filter Analysis and Design Auntoniam - TMH

***

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I Year – II sem M.Tech (Power Electronics)                                  L     T/P/D      C                                                                                                                                 3          0          3

 RELIABILITY ENGINEERING

(ELECTIVE-IV)

Unit I:

Elements of probability theory

Probability distributions : Random variables, density and distribution functions. Mathematical expectation. Binominal distribution, Poisson distribution, normal distribution, exponential distribution, Weibull distribution. 

Unit II:

Definition of Reliability. Significance of the terms appearing in the definition.

Component reliability, Hazard  rate, derivation of the reliability function in terms of the hazarad rate.  Hazard  models.

Failures:  Causes of failures, types of failures ( early failures, chance failures and wear-out failues). Modes of failure.  Bath tub curve. Effect of preventive maintenance.  Measures of reliability: mean time to failure and mean time between failures.

Unit III:

Reliability logic diagrams ( reliability block diagrams)

Classification of engineering systems:    series, parallel, series-parallel, parallel-series and non-series-parallel configurations. Expressions for the reliability of the basic configurations.

Reliability evaluation of Non-series-parallel configurations: minimal tie-set, minimal cut-set and decomposition methods. Deduction of the minimal cutsets from the minimal pathsets.

Unit IV:

Discrete Markov Chains:  General modelling concepts, stochastic transitional probability matrix, time dependent probability evaluation and limiting state probability evaluation.  Absorbing states.

Continuous Markov Processes:  Modelling concepts,  State space diagrams, Stochastic Transitional Probability Matrix,  Evaluating limiting state Probabilities. 

Reliability evaluation of repairable systems.

UNIT-V:

Series systems, parallel systems with two and more than two components, Network reduction techniques.  Minimal cutset/failure mode approach.

TEXT BOOKS :

1.       “RELIABILITY EVALUATION OF ENGINEERING SYSTEMS”,  Roy Billinton and Ronald N Allan,  Plenum Press.

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I Year – II sem M.Tech (Power Electronics)                                  L     T/P/D      C                                                                                                                                 3          0          3

ENTERPRISE RESOURCE PLANNING

(ELECTIVE-IV)

Unit I:

       General modes for ERP, Integrated management  information; Benefits of ERP.Business modelling for ERP.

       Representative lists of various core processes and of entities forming data model.

Unit II:

        Problem statement ; Key issues; Implementation methodology and guidelines. ERP Domain in power plants: Power plant management, Project management, Operation management, Maintenance Management, Fuel management, Materials management, Human resource management, Finance management, Safety management, and Environment management

Unit III:

       Introduction to IRP and DSM; Framework of DSM.

       Customer load control; Interruptible electric service; Various evaluation criteria,                             Rate design in DSM: Objectives, Time - of - use (TOU) rate.

Unit IV:

       Market planning, generic load - shape changes

       Evaluating DSM programs, an overview of detailed evaluation approach.

Unit V:

       Cost benefit analysis, consumer perspective, utility perspective. Customer acceptance of DSM programs. Strategic marketing, Marketing implementation strategies.

REFERENCES :

1.    Vinod Kumar Garg and N.K. Venkita Krishnan : “Enterprise Resource Planning - Concepts and Practice”, Prentice - Hall of India Pvt. Ltd., 1999

2.    C.W. Gellings and J.G. Chamberlin : “Demand - Side Management : Concepts and Methods”, The Fairmont Press, Inc, 1993.

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I Year – II sem M.Tech (Power Electronics)                                  L     T/P/D      C                                                                                                                                 3          0          3

 EMBEDDED SYSTEMS CONCEPTS

(Elective – IV)

UNIT I: An Introduction To Embedded Systems

An Embedded system, processor in the system, other hardware units, software embedded into a system, exemplary embedded systems, embedded system – on – chip (SOC) and in VLSI circuit. Processor and memory organization – Structural Units in a Processor, Processor selection for an embedded system, memory devices, memory selection for an embedded systems, allocation of memory to program cache and memory management links, segments and blocks and memory map of a system, DMA, interfacing

processors, memories and Input Output Devices.

UNIT II: Devices And Buses For Device Networks

I/O devices, timer and counting devices, serial communication using the “I2 C” CAN, profibus foundation field bus. and advanced I/O buses between the network multiple devices, host systems or computer parallel  communication between the networked I/O multiple devices using the ISA, PCI, PCI-X and advanced buses.

UNIT III: Device Drivers And Interrupts Servicing Mechanism

Device drivers, parallel port and serial port device drivers in a system, device drivers for internal programmable timing devices, interrupt servicing mechanism

UNIT IV: Programming Concepts And Embedded Programming In C, C++, Vc++ And Java

Interprocess communication and synchronization of processes, task and threads, multiple processes in an application, problem of sharing data by multiple tasks and routines, interprocess communication.

UNIT V: Hardware – software co-design in an embedded system, embedded system project management, embedded system design and co-design issues in system development process, design cycle in the development phase for an embedded system, use of target systems, use of software tools for development  of an embedded system, use of scopes and logic analysis for system, hardware tests. Issues in embedded system design.

TEXTBOOK

1. Embedded systems: Architecture, programming and design by Rajkamal, TMH

REFERENCES

1. Embedded system design by Arnold S Burger, CMP

2. An embedded software primer by David Simon, PEA

3. Embedded systems design:Real world design be Steve Heath; Butterworth Heinenann, Newton mass

USA 2002

4. Data communication by Hayt.

I Year – II sem M.Tech (Power Electronics)                                  L     T/P/D      C                                                                                                                                 0          3          2

Electrical Systems Simulation Lab

List of Experiments

PSPICE:

1. Single Phase Full Converter using PSpice

2. Three Phase Full Converter using PSpice

3. Single Phase AC Voltage Controller Using PSpice.

4. Single Phase Inverter with PWM Controller using Pspice.

5. Resonant Pulse Commutation circuit using Pspice.

6. Impulse Commutation Circuit using PSpice

PSCAD:

7. Fault analysis.

8. Single Phase Full Bridge Converter.

MATLAB :

 9. Transfer function analysis using MATLAB

10.Frequency Response of the system by various

     methods using Mat Lab

     a.  Root Locus

     b.  Bode Plot

     c.  Nyquist Plot

11. Performance analysis of PID Controller using SIMULINK.

12. Frequency response of Single area System

13. Frequency response of two area System

MYPOWER:

14. Load flow analysis of 5-Bus system.