1

POWER ELECTRONIC CONVERTERS

Subject Code: PGEE1T0118 L T P C I Year / I Semester 3 0 0 3

Course Objective: To enlighten the various power Electronic Converters, Power Factor Correction Converters, PWM inverters and MLIs

Syllabus UNIT I Single and Three Phase Converters:

8 hrs

AC-DC converters Single phase full and half Converters with inductive load – Power factor improvement: Extinction angle control-symmetrical angle control - single phase sinusoidal PWM-Single phase series converters- numerical problems - Three

Phase full and half Converter with inductive load– harmonic analysis -Power factor improvements- three phase PWM-twelve pulse converters- numerical problems. UNIT II 6 hrs

Power Factor Correction Converters: Single-phase single stage boost power factor corrected rectifier, power circuit, principle of operation, steady state analysis, and three phase boost PFC converter.

UNIT III PWM Inverters:

8 hrs

single phase full bridge inverters - sinusoidal PWM – modified PWM – phase displacement Control – Trapezoidal, staircase, stepped, harmonic injection and delta modulation– numerical problems - Three-Phase Inverters- Sinusoidal PWM- 600

PWM- Third Harmonic PWM- Space Vector Modulation- Comparison of PWM Techniques- current source inverters- Variable dc link inverter - numerical problems.

UNIT IV 7Hrs AC Voltage Controller: 8hrs Single Phase AC Voltage Controllers with PWM control only –

synchronous tap changers - Three Phase AC Voltage controllers-Analysis of Controllers with star and delta connected resistive, resistive –inductive loads-Effects of source and load inductances–Application- numerical problems.

UNIT V Multi level inverters:

10 hrs

Multilevel Concept, Types of Multilevel Inverters- Diode-Clamped Multilevel Inverter, Features of Diode-Clamped Inverter, Improved Diode-Clamped Inverter Flying-Capacitors Multilevel Inverter-Features of Flying-Capacitors Inverter-

Cascaded Multilevel Inverter- Principle of Operation- Features of Cascaded Inverter- Switching Device Currents - DC-Link Capacitor Voltage Balancing - Comparisons of Multilevel Converters.

Course Outcomes: CO1: Able to analyze and enhance the knowledge of single and three phase AC

voltage Controllers

CO2: Able to derive and solve the output voltages and currents for single-phase and three-phase AC-DC converters and to analyze the harmonics for various power factor improvement methods

2

CO3: Able to compare the performance of single phase and three phase boost power factor correction converter circuits.

CO4: Able to differentiate various PWM techniques applicable to single-phase and three-phase Inverters for the reduction of harmonics at the Inverter output voltage.

CO5: Able to acquire in depth knowledge on the features of different topologies of Multilevel Inverters and methods to balance capacitor voltage.

TEXT BOOKS: 1. Power Electronics-Md.H. Rashid –Pearson Education Third Edition- First

IndianReprint-2008.

2. Power Electronics- Ned Mohan, Tore M.Undelan and William P.Robbins –John Wiley&Sons -2nd Edition. Power Electronics – Lander –Ed.2009.

3. Modern power Electronics and AC Drives – B.K.Bose.

4. Power Converter Circuits – William Shepherd & Li Zhang-Yes Dee Publishing Pvt Ltd.

3

MODELING & ANALYSIS OF ELECTRICAL MACHINES

Subject Code: PGEE1T0218 L T P C I Year / I Semester 3 0 0 3 Course Objective: To Apprise the various electrical machines modeling.

Syllabus

UNIT I

Basic concepts of Modeling:

8 hrs

Basic Two-pole Machine representation of Commutator machines, 3-phase synchronous machine with and without damper bars and 3-phase induction machine,

Kron’s primitive Machine-voltage, current and Torque equations. UNIT II

DC Machine Modeling:

6 hrs

Mathematical model of separately excited D.C motor – Steady State analysis-Transient State analysis-Sudden application of Inertia Load-Transfer function of Separately excited D.C Motor- Mathematical model of D.C Series motor, Shunt motor

-Linearization Techniques for small perturbations. UNIT III 8 hrs

Modeling of Single phase Induction Machine: Reference frame theory & Modeling of single phase Induction Machines Linear transformation Phase transformation - three phase to two phase transformation (abc

to dq0) and two phase to three phase transformation dq0 to abc-Power equivalence- Mathematical modeling of single phase induction machines

UNIT IV 8 hrs Modeling of three phase Induction Machine: Generalized model in arbitrary reference frame Electromagnetic torque-Derivation of

commonly used Induction machine models- Stator reference frame model-Rotor reference frame model-Synchronously rotating reference frame model-state space model with flux linkages as variables

UNIT V Modeling of Synchronous Machine:

8 hrs

Synchronous machine inductances–voltage equations in the rotor’s dq0 reference frame-electromagnetic torque-current in terms of flux linkages-three synchronous machine model- modeling of PM Synchronous motor, modeling of BLDC motor,

modeling of Switched Reluctance motor. Course Outcomes:

CO1: Able to understand the basic concepts of various electrical rotating machines and to model DC machine.

CO2: Able to model single phase induction machines through reference frame theory.

CO3: Able to develop three phase induction machine model through stator reference model, rotor reference model, synchronously rotating reference frame and state space model.

CO4: Able to analyze synchronous machines, permanent magnetic synchronous machines, BLDC and SRM using dq0 reference frame

4

TEXT BOOKS: 1. Electric Motor Drives - Modeling, Analysis& control -R.Krishnan-Pearson

Publications- 1st edition -2002. 2. Analysis of Electrical Machinery and Drive systems – P.C.Krause, Oleg

Wasynczuk, Scott D.Sudhoff – Second Edition-IEEE Press

3. Dynamic simulation of Electric machinery using Matlab / Simulink – Chee Mun Ong Prentice Hall.

4. Generalized Theory of electrical machines – P. S. Bhimra

5

ADVANCED MICRO CONTROLLER BASED SYSTEMS

Subject Code: PGEE1T0318 L T P C I Year / I Semester 3 0 0 3 Course Objective: To familiarize about the architecture of advance microcontrollers

& its applications, introduction to DSP.

Syllabus

UNIT I Introduction to 8051:

8 hrs

INTEL 8051 Architecture of 8051- Memory organization- Register Banks- Bit

addressable area- SFR-Addressing modes- Instruction set UNIT II

Applications of 8051:

8 hrs

Interrupt structure- Timers and counters, serial communication, interfacing to seven segment display, Stepper motor control – DC motor control –Induction Motor Control.

UNIT III 8 hrs PIC MICROCONTROLLERS:

Program memory – CPU Registers – Register file structure – Block diagram of PIC 16C74 – I/O Ports

UNIT IV Interrupt / Interface:

6 hrs

Timers 0, 1 and 2 features – Interrupt Logic – Serial Peripheral Interface – I2 C Bus

– ADC – UART. UNIT V

Digital Signal Processor:

8 hrs

Introduction to programmable DSPs, Multiplier and multiplier Accumulator (MAC)- Modified bus structures and memory access schemes in DSPs- Multiple access

memory- Multiport memory- pipelining- special addressing modes- peripherals- architecture of TMS 320C5x- bus structure- central arithmetic logic unit-registers.

Course Outcomes: CO1: Able to learn to design simple Microcontroller based systems. CO2: Able to learn configuring and different peripherals in a digital systems

CO3: Able to Apply in standard applications. CO4: Able to acquire Knowledge on DSP processor

TEXT BOOKS: 1. Mazidi and D.MacKinlay “8051 Microcontroller and Embedded Systems using

Assembly and C”, Pearson Education Low Price Edition, New Delhi, 2006.

2. John B Peatman, “Design with PIC Micro Controllers”, Pearson Education India Series, New Delhi, 2005.

3. Emmanuel C. Ifeachor, Barrie.W. Jervis, “ Digital Signal Processing”, Pearson Education/ Prentice Hall, 2nd Edition, 2002

4. “8-Bit Embedded Controllers”, Intel Corporation, 2011

6

POWER ELECTRONICS FOR POWER QUALITY IMPROVEMENT

Subject Code: PGEE1T0418 L T P C I Year / I Semester 3 0 0 3

Course Objective: To familiarize the Flexible AC Transmission System devices, Power Quality issues in distribution systems and custom power devices on distribution systems.

Syllabus

UNIT-I

Transmission Lines and Series/Shunt Reactive Power Compensation:

8 hrs

Basics of AC Transmission, Analysis of uncompensated AC transmission lines. Passive

Reactive Power Compensation: Shunt and series compensation at the mid-point of an AC line. Comparison of Series and Shunt Compensation.

UNIT-II Thyristor-based Flexible AC Transmission Controllers (FACTS):

8 hrs

Description and Characteristics of Thyristor-based FACTS devices: Static VAR Compensator (SVC), Thyristor Controlled Series Capacitor (TCSC), Thyristor

Controlled Braking Resistor and Single Pole Single Throw (SPST) Switch. UNIT–III

Voltage Source Converter based (FACTS) controllers:

8 hrs

Voltage Source Converters (VSC): Six Pulses VSC, Multi-pulse and Multi-level Converters, STATCOM, Static Synchronous Series Compensator (SSSC) and Unified

Power Flow Controller (UPFC): Principle of Operation and Control. UNIT–IV

Power Quality Problems in Distribution Systems:

6 hrs

Power Quality issues in distribution systems: Transient and Steady state variations in voltage and frequency. Unbalance, Sags, Swells, Interruptions, Wave-form

Distortions: harmonics, noise, notching, dc-offsets, fluctuations, flicker. UNIT–V

Custom Power Devices:

8 hrs

Reactive Power Compensation, Harmonics and voltage sag/swell mitigation in Distribution Systems – control of P and Q Using DSTATCOM, DVR, UPQC and IPFC.

Course Outcomes: CO1: Able to get knowledge on various compensation devices on transmission

systems. CO2: Able to recognize various types of thyristor based FACTS controllers. CO3: Able to discern various types of voltage source converter based FACTS

controllers. CO4: Able to apprehend power quality issues in distribution systems. CO5: Able to realize about custom power devices in distribution side and its control

strategies.

7

TEXT BOOKS: 1. Power Quality,C Shankaran,CRC Press,2001

2. N. G. Hingorani and L. Gyugyi, “Understanding FACTS: Concepts and Technology of FACTS Systems”, Wiley-IEEE Press, 1999.

3. K. R. Padiyar, “FACTS Controllers in Power Transmission and Distribution”, New

Age International (P) Ltd. 2007. 4. Guidebook on Custom Power Devices, Technical report published by EPRI, Nov

2000.

5. T. J. E. Miller, “Reactive Power Control in Electric Systems”, John Wiley and Sons.

8

DIGITAL CONTROL SYSTEMS (Elective-I)

Subject Code: PGEE1T0518 L T P C I Year / I Semester 3 0 0 3

Course Objective: To familiarize about the various types of Digital Control Systems Syllabus

UNIT-I

Basic Signal Processing:

10 hrs

Introduction - Advantages of Digital control systems - Practical aspects of the choice of sampling rate and multi rate sampling - Basic discrete time signals -

Quantization – Sampling theorem - Data conversion and Quantization - Sampling process - Mathematical modeling - Data reconstruction and filtering of sampled signals – zero - order hold.

UNIT-II Z- Transforms:

8 hrs

z - transform and inverse z - transform, Relationship between s - plane and z -

plane - Difference equation - Solution by recursion and z - transform - pulse transfer functions of the zero - order Hold and relationship between G(s) and G(z)– Bilinear transformation .

UNIT–III Stability Analysis:

6 hrs

Digital control systems - Pulse transfer function - z transform analysis of open loop, closed loop systems - Modified z Transform - transfer function - Stability of linear digital control systems - Stability tests.

UNIT–IV Digital Control Design:

8 hrs

Root loci - Frequency domain analysis - Bode plots - Gain margin and phase margin - Design using frequency response in w-plane for lag and lead compensators. Cascade and feedback compensation by continuous data controllers - Digital controllers -

Design using bilinear transformation. UNIT–V

State Space Analysis:

8 hrs

State equations of discrete data systems, solution of discrete state equations, State transition Matrix: z - transform method. Relation between state equations and

transfer functions. Concepts on Controllability and Observability - Digital state observer: Design of the full order and reduced order state observer - Pole placement design by state feedback.

Course Outcomes: CO1: Able to get the knowledge on basic concepts of digital control systems

CO2: Able to analyze the z - transform and inverse z – transform CO3: Able to apprehend the various loop systems, transfer functions and Stability

of linear digital control systems CO4: Able to realize various frequency domain analysis, controllers and

transformation CO5: Able to know about solution of discrete state equations, state transfer

functions and state feedback.

9

TEXT BOOKS:

1. K. Ogata, Discrete Time Control Systems, PHI/Addison - Wesley Longman Pvt. Ltd., India, Delhi, 1995.

2. B.C Kuo, Digital Control Systems, 2nd Edition, Oxford Univ Press, Inc., 1992

3. F. Franklin, J.D. Powell, and M.L. Workman, Digital control of Dynamic Systems, Addison - Wesley Longman, Inc., Menlo Park, CA , 1998.

4. M. Gopal, Digital Control and State Variable Methods, Tata McGraw Hill, India,

1997.

5. T. J. E. Miller, “Reactive Power Control in Electric Systems”, John Wiley and Sons, New York, 1983.

6. C. H. Houpis and G.B. Lamont, Digital Control Systems, McGraw Hill, 1985.

7. John S. Baey, Fundamentals of Linear State Space Systems, Mc. Graw – Hill, 1st edition

8. Bernard FriedLand,Control System Design, Mc. Graw – Hill, 1st edition 9. Dorsay, Continuous and Discrete Control Systems, McGraw - Hill.

10

MODERN CONTROL THEORY (Elective-I)

Subject Code: PGEE1T0618 L T P C I Year / I Semester 3 0 0 3 Course Objective: To appraise the various modern control techniques and system

analysis.

Syllabus

UNIT-I 8 hrs State Variable Analysis: The concept of state–State Equations for Dynamic systems–State diagram-Linear

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

UNIT-II 8 hrs State Variable Techniques: 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 –

State feedback controller design through pole assignment. UNIT–III 8 hrs

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 Nonlinear Systems–Describing function – describing function analysis of nonlinear systems-Stability analysis of Non–Linear systems through describing functions.

UNIT–IV 8 hrs 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–V 8 hrs Stability Analysis: Stability in the sense of Lyapunov,Lyapunov’s stability and Lyapunov’s instability

theorems–Stability Analysisof the Linear Continuous time invariant systems by Lyapunov second method – Generation of Lyapunov functions – Variable gradient method– Krasooviski’s method.

Course Outcomes: CO1: Able to co-relate the concepts of state, state equation and state transition

matrix CO2: Able to test Controllability and observability and design of state feedback

controller by pole placement assignment CO3: Able to identify and analyze non-linear systems using describing function

analysis CO4: Able to analyze linear and non-linear systems using Lyapunov function and

design Lyapunov function for stable systems

11

TEXT BOOKS: 1. Modern Control System Theory by M. Gopal – New Age International

– 1984 2. Modern Control Engineering by Ogata. K – Prentice Hall – 1997 3. Nonlinear systems, Hassan K. Klalil, Prentice Hall, 1996

4. Modern control systems, Richard C. Dorf and Robert H. Bishop, 11th Edition, Pearson Edu, India, 2009

12

DESIGN ASPECTS IN CONTROL

(Elective-I) Subject Code: PGEE1T0718

L T P C

I Year / I Semester 3 0 0 3 Course Objective: To make familiar the tools and techniques of control system design, various aspects of controller design philosophy and Learning PID Controller

Syllabus

UNIT-I 8 hrs

System Modeling: Modeling Concepts-State Space Models -Modeling Methodology- Modeling Examples

UNIT-II Identification Methods:

8 hrs

FOPDT and SOPDT systems and identification : Open-loop Identification techniques

and Closed-loop Identification Techniques–Smith Predictor and its variations UNIT–III 8 hrs

PID Controller Tuning: review PID Tuning – Ziegler Nichols, Cohen-Coon techniques-Observer – concept and design, Case studies – Applications

UNIT–IV State Feedback Design:

8 hrs

State feedback review – pole placement, Eigen structure assignment, Eigen structure – time response relation, Controller gain selection, controller robustness, disturbance rejection

UNIT–V Compensators Design:

8 hrs

Frequency Domain Loop Shaping- Lag, Lead and Lag-lead compensators, Zero dynamics in servo control, Unstable zero dynamics – control design

Course Outcomes: CO1: To get knowledge on system concepts and modeling. CO2: To apprehend on FOPDT and SOPDT, Smith predictor

CO3: Able to decide gains of the controllers like PID in a given control system CO4: To apprehend CO5: To realize about custom power devices in distribution side and its control

strategies.

TEXT BOOKS: 1. Karl J. Astrom, Richard M. Murray, “Feedback Sytems : An Introduction for

Scientists and Engineers”, Princeton University Press, 2010 2. Thomas Kailath : “Linear Systems”, Prentice-Hall

3. Antonio Visioli, “Practical PID Control”, Springer-Verlag London Limited 2006

13

SIMULATION OF POWER ELECTRONIC CONVERTERS LAB

Subject Code: PGEE1P0818 L T P C

I Year / I Semester 0 0 3 1.5

List of Experiments

1. Simulation of Switching Characteristics of Thyristor, MOSFET, IGBT.

2. Simulation of Single phase full converter using RL load and RLE load.

3. Simulation of Three phase full converter using RLE load.

4. Simulation of Single phase AC voltage controller with PWM control for RL load.

5. Simulation of Three phase AC voltage controller using RL load.

6. Simulation of Single phase Inverter with Sinusoidal PWM control for R-Load.

7. Simulations of Three phase Inverter with Sinusoidal PWM control for R-Load.

8. Simulation of dc-dc Boost Converter.

9. Simulations of Three phase PWM Inverter with sinusoidal pulse-width

modulation.

10. Simulation of Single phase IGBT based fully controlled rectifier with PWM control.

11. Simulation of Three phase IGBT based ac voltage controller with PWM control.

12. Simulation of Cascaded H-Bridge Multilevel Inverter with Sinusoidal Pulse Width

Modulation.

14

POWER CONVERTERS LAB

Subject Code: PGEE1P0918 L T P C

I Year / I Semester 0 0 3 1.5

List of Experiments

1. IGBT & Power MOSFET Characteristics.

2. Operation of 3-phase Full Converter on R & RL Load.

3. Single Phase IGBT based PWM Inverter on R & RL Load.

4. Operation of 3-phase IGBT based PWM Inverter on R & RL Load.

5. Three phase PWM Pulse generation using PIC Microcontroller.

6. Single phase Symmetrical Cascaded H-bridge Multilevel Inverter with R & RL Load.

7. Three phase Symmetrical Cascaded H-bridge Multilevel Inverter with R & RL Load.

8. Pulse generation for Space Vector Control Modulation with FPGA.

9. Pulse generation for multi-level pulse width Modulation with FPGA.

10. Single phase Asymmetrical Cascaded H-bridge Multilevel Inverter with R & RL Load.

11. Three phase Asymmetrical Cascaded H-bridge Multilevel Inverter with R & RL Load.

12. Single phase dual converter with R and RL Load.

15

SWITCHED MODE POWER SUPPLIES AND RESONANT CONVERTERS

Subject Code: PGEE2T0118 L T P C I Year / II Semester 3 0 0 3

Course Objective: To make familiar with various isolated and non-isolated switch-mode converters, control schemes of switching converters.

Syllabus UNIT-I 6 hrs Non-isolated switch mode converters:

Control of DC-DC converters, Buck converters, Boost converters, Buck-Boost converter, CUK Converter, Converter realization with non ideal components.

UNIT-II: 8 hrs Resonant converters: Basic resonant circuit concepts, series resonant circuits, parallel resonant circuits, zero current switching Quasi-resonant buck converter, zero current switching Quasi-

resonant boost converter, zero voltage switching Quasi-resonant buck converter, zero voltage switching Quasi-resonant boost converter

UNIT–III 6 hrs Isolated switch-mode converters: Forwarded converter, flyback converter, Push-pull converter, half-bridge converter,

full bridge converter. UNIT–IV 8 hrs

Control schemes of switching converters: Voltage-mode control, Current-mode control, control scheme for resonant converters, proportional integral controller.

Magnetic design consideration: Transformers design, DC inductor and capacitor design.

UNIT–V 10 hrs Modeling & Control design based on linearization: Formulation of averaged models for buck and boost converters average circuits

models, small –signal analysis and linearization. Control design based on linearization: Transfer function of converters, control design, large signal issues in voltage-mode &

current-mode control. Course Outcomes:

CO1: Able to understand the concepts of non-isolated switched mode dc to dc converters

CO2: Able to analyze various resonant converter topologies

CO3: Able to design of isolated switched mode converters CO4: Able to develop the control schemes for switching converters and to

understand magnetic design considerations of the converter CO5: Able to develop average and transfer function models of dc-dc converters

16

TEXT BOOKS: 1. Power Electronics – Issa Bataresh, Jhon willey publications,2004

2. Power switching converters-simon ang, alejandro olive, CRC Press (Taylor & franics group).

3. Elements of Power Electronics – Philip T. Krein, oxford university press.

4. Power Electronics: converters Applications & Design – Mohan, Undeland, Robbins- Wiley publications

17

ELECTRIC DRIVES

Subject Code: PGEE2T0218 L T P C I Year / II Semester 3 0 0 3

Course Objective: To make familiar an Electrical Drives & their analysis, the Design of controller for drives and Scalar control of electrical drives.

Syllabus UNIT-I 8 hrs Dynamics of Electric Drives:

Fundamentals of torque equation. Speed torque convention and multi-quadrant operation, components of load torques.

UNIT-II: 6 hrs Basic Concepts of Drives: Classification of load torques steady state stability. Load equalization, Speed control and drive classification. Close loop control of drives.

UNIT–III 8 hrs DC motor Drives:

Modeling of DC machines, Steady state characteristics with armature and speed control, Phase controlled DC motor drives, chopper controlled DC motor drives.

UNIT–IV 8 hrs Poly-phase induction machines: Dynamic modeling of induction machines, control characteristics of induction

machines, Phase-controlled induction machines- Stator voltage control, Slip energy recovery scheme, frequency control and vector control of induction motor drives.

UNIT–V 6 hrs Traction motor: Starting, Speed-Time characteristics, Braking, Traction motors used in practice.

Course Outcomes: CO1: Able to Model and simulate electric drive systems

CO2: Able to Design modulation strategies of power electronics converters, for drives application

CO3: Able to Design appropriate current/voltage regulators for electric drives

CO4: Able to Select and implement the drives for Industrial Process CO5: Able to Implement various variable speed drives in Electrical Energy

Conversion System

TEXT BOOKS: 1. G.K. Dubey, "Power semiconductor controlled Drives", Prentice Hall

international, New Jersey, 1989. 2. R. Krishanan, “Electric motor drives modeling, analysis and control”, PHI-India-

2009. 3. G. K. Dubey, “Fundamentals of electric Drives”, Narosa Publishing House”, 2nd

edition, 2011. 4. W. Leonhard, “Control of Electrical drives”, Springer, 3rd edition, 2001.

18

5. P.C. Krause, “Analysis of Electric Machine”, Wiley-IEEE press 3rdedition. 6. B. K. Bose,“Modern Power Electronics and AC Drives”, Prentice Hall publication,

1st edition, 2001.

19

POWER ELECTRONICS FOR RENEWABLE ENERGY SYSTEMS

Subject Code: PGEE2T0318 L T P C I Year / II Semester 3 0 0 3

Course Objective: To Provide knowledge about the stand alone and grid connected renewable energy systems , analyze the various operating modes of wind electrical

generators and solar energy systems and design different power converters namely AC to DC, DC to DC and AC to AC converters for renewable energy systems.

Syllabus UNIT-I 10 hrs Environmental aspects of electric energy conversion:

Impacts of renewable energy generation on environment (cost-GHG Emission) - Qualitative study of different renewable energy resources ocean, Biomass, Hydrogen energy systems: operating principles and characteristics of: Solar PV, Fuel cells, wind electrical systems-control strategy, operating area.

UNIT-II: 8 hrs Review of reference theory fundamentals:

Principle of operation and analysis: IG, PMSG, SCIG and DFIG. UNIT–III 8 hrs

Solar: Block diagram of solar photo voltaic system: line commutated converters (inversion- mode) - Boost and buck-boost converters- selection Of inverter, battery sizing, array

sizing. Wind: three phase AC voltage controllers- AC-DC-AC converters: uncontrolled rectifiers, PWM Inverters, Grid Interactive Inverters-matrix converters.

UNIT–IV 8 hrs Wind: Stand alone operation of fixed and variable speed wind energy conversion systems

and solar system- Grid connection Issues -Grid integrated PMSG and SCIG Based WECS-Grid Integrated solar system.

UNIT–V 6 hrs Hybrid Energy Systems: Need for Hybrid Systems- Range and type of Hybrid systems- Case studies of Wind-

PV- Maximum Power Point Tracking (MPPT). Course Outcomes:

CO1: Able to understand the environmental aspects of electric energy conversion CO2: Able to gain the review of reference theory fundamentals-principle of

operation and analysis

CO3: Able to capture the knowledge about solar systems CO4: Able to analyze Stand alone operation of fixed and variable speed wind

energy conversion systems and solar system CO5: Able to know the Need for Hybrid Systems, MPPT and case studies of Wind-

PV

20

TEXT BOOKS: 1. S.N.Bhadra, D. Kastha, & S. Banerjee “Wind Electricaal Systems”, Oxford

University Press,2009 2. Rashid .M. H “power electronics Hand book”, Academic press, 2001. 3. Rai. G.D, “Non conventional energy sources”, Khanna publishes, 1993

4. Rai. G.D,” Solar energy utilization”, Khanna publishes, 1993. 5. Gray, L. Johnson, “Wind energy system”, prentice hall linc, 1995. 6. Non-conventional Energy sources B.H.Khan Tata McGraw-hill Publishing

Company, New Delhi.

21

SPECIAL ELECTRICAL MACHINES (Elective-II)

Subject Code: PGEE2T0418 L T P C I Year / II Semester 3 0 0 3

Course Objective: To make familiar with concepts and applications special electrical machines.

Syllabus UNIT-I 8 hrs Stepper Motors:

Constructional 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: 10 hrs Permanent Magnet Synchronous Motors (PMSM) and Switched Reluctance Motors (SRM):

PMSM: Power electronic controllers, Torque speed characteristics, Self control, Vector control, Current control. SRM: Constructional features, Principle of operation. Torque equation,

Characteristics, Control Techniques, Drive concept. UNIT–III 8 hrs

Permanent Magnet Brushless DC Motors: Concept of electronic commutation, Hall sensors, Optical sensors, back emf detection, Multiphase Brushless motor, Square wave permanent magnet brushless

motor drives, Torque and emf equation, Torque-speed characteristics, Speed control by microcontroller.

UNIT–IV 10 hrs Servomotors and AC Tachometers Servomotor: Types – Constructional features – Principle of Operation – Characteristics - Control –

Microprocessor based applications. AC Tachometers: Permanent magnet ac tachometer, AC induction tachometer, Schematic diagrams,

Operating principle. UNIT–V 8 hrs

Linear Motors: Linear Induction Motor (LIM) Classification – Construction – Principle of operation – Concept of Current sheet –Goodness factor – DC Linear Motor (DCLM) types – Circuit

equation – DCLM control-applications. Course Outcomes:

CO1: Able to know the concepts of open and closed loop control of stepper motor and its dynamic characteristics

CO2: Able to gain the knowledge on various controls of PMSM and SRM CO3: Able to understand the permanent magnet brushless DC motors and its

characteristics CO4: Able to learn the types of servo motors and AC tachometers CO5: Able to describe the linear induction motors and its applications

22

TEXT BOOKS:

1. Miller, T.J.E. “Brushless Permanent Magnet and Reluctance Motor Drives”, Clarendon Press, Oxford, 1989.

2. Kenjo, T, “Stepping Motors and their Microprocessor control”, Clarendon Press,

Oxford, 1989. 3. Naser A and Boldea I, “Linear Electric Motors: Theory, Design and Practical

Application”, Prentice Hall Inc., New Jersey,1987

4. Special Electrical Machines-K.Venkataratnam- University press. 5. Floyd E Saner,”Servo Motor Applications”, Pittman USA, 1993 6. Kenjo, T and Naganori, S “Permanent Magnet and brushless DC motors”,

Clarendon Press, Oxford, 1989 7. Generalized Theory of Electrical Machines – P.S.Bimbra-Khanna publications-5th

edition- 1995.

23

PWM CONVERTERS AND APPLICATIONS (Elective-II)

Subject Code: PGEE2E0518 L T P C I Year / II Semester 3 0 0 3 Course Objective: To make familiar with the basic operation, analyze and design of

PWM converters, the steady-state and dynamic analysis of PWM converters along with an applications like solid state drives and power quality.

Syllabus UNIT-I 8 hrs AC/DC and DC/AC power conversion:

Overview of applications of voltage source converters and current source converters. UNIT-II: 8 hrs

PWM Converters and analysis: Pulse width modulation techniques for bridge converters-Bus clamping PWM-Space vector based PWM-Advanced PWM techniques. Practical devices in converter- Calculation of switching and conduction power losses.

UNIT–III 6 hrs Converter and controller Modeling:

Compensation for dead time and DC voltage regulation- Dynamic model of PWM converter-Multilevel converters-Constant V/F induction motor drives.

UNIT–IV Performance analysis of Converters:

8 hrs

Estimation of current ripple and torque ripple in inverter fed drives- Line-side

converters with power factor compensation. UNIT–V

Performance analysis of Drives:

8 hrs

Active power filtering-Reactive power compensation-Harmonic current compensation-Selective harmonic elimination -PWM technique for high power electric drives.

Course Outcomes: CO1: Able to gain the knowledge concepts and basic operation of PWM converters,

including basic circuit operation and design CO2: Able to learn the steady-state and dynamic analysis of PWM converters along

with the applications like solid state drives and power quality

CO3: Able to recognize and use the following concepts and ideas: Steady-State and transient modeling and analysis of power converters with various PWM techniques.

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

Design”,John’s Wiley and Sons. 2. Erickson RW, “Fundamentals of Power Electronics”, Chapman and Hall. 3. Vithyathil. J, “Power Electronics: Principles and Applications”, McGraw Hill.

24

ELECTRIC AND HYBRID VEHICLES (Elective-II)

Subject Code: PGEE2E0618 L T P C I Year / II Semester 3 0 0 3

Course Objective: To understand upcoming technology of hybrid system, different aspects of drives application and energy management strategies.

Syllabus

UNIT-I 8 hrs History of hybrid and electric vehicles: Social and environmental importance of hybrid and electric vehicles- Impact of

modern drive-trains on energy supplies-Basics of vehicle performance, vehicle power source-characterization Transmission characteristics-Mathematical models to describe vehicle performance

UNIT-II: 6 hrs Basic concept of hybrid traction: Introduction to various hybrid drive-train topologies, Power flow control in hybrid

drive-train topologies-Fuel efficiency analysis. UNIT–III 10 hrs

Motor for HEV: Introduction to electric components used in hybrid and electric vehicles-Configuration and control of DC Motor drives-Configuration and control of Introduction Motor

drives-configuration and control of Permanent Magnet Motor drives Configuration and control of Switch Reluctance Motor drives-drive system efficiency

UNIT–IV Modeling of EV System:

8 hrs

Matching the electric machine and the internal combustion engine (ICE)-Sizing the

propulsion motor, sizing the power electronics -Selecting the energy storage technology-Communications, supporting subsystems

UNIT–V Energy Management:

8 hrs

Introduction to energy management and their strategies used in hybrid and electric

vehicle- Classification of different energy management strategies- Comparison of different energy management strategies- Implementation issues of energy strategies

Course Outcomes: CO1: Able to acquire knowledge about fundamental concepts, principles, analysis

and design of hybrid and electric vehicles.

CO2: Able to apprehend the various electric components used in hybrid and electric vehicles

CO3: Able to get about energy storage technology, ICE and sizing of various

devices CO4: Able to learn energy management and their strategies used in hybrid and

electric vehicle

25

TEXT BOOKS: 1. Sira -Ramirez, R. Silva Ortigoza, “Control Design Techniques in Power Electronics

Devices”,Springer. 2. Siew-Chong Tan, Yuk-Ming Lai, Chi Kong Tse, “Sliding mode control of switching

Power

Converters”

26

ARTIFICIAL INTELLIGENCE TECHNIQUES (Elective-III)

Subject Code: PGEE2E0718 L T P C I Year / II Semester 3 0 0 3

Course Objective: To enlighten the concepts and algorithms of AI methods like neural-network, Fuzzy systems and Genetic Algorithms.

Syllabus

UNIT-I 8 hrs

Introduction to artificial Intelligence systems: Concept of Artificial Neural Networks and its basic mathematical model, McCulloch-Pitts neuron model, simple perceptron, Adaline and Madaline, Multilayer Perceptron.

Learning and Training the neural network. UNIT-II: 8 hrs Data Pre-Processing:

Scaling, Fourier transformation, principal-component analysis and wavelet transformations. Networks: Hopfield network, Self-organizing network and Recurrent network, Back propagation neural network: Architecture, algorithm and applications.

UNIT–III 8 hrs Genetic Algorithm:

Basic concept of Genetic algorithm and detail algorithmic steps, adjustment of free parameters, solution of typical control problems using genetic algorithm, Particle swarm optimization.

UNIT–IV 10 hrs Introduction to crisp sets and fuzzy sets:

basic fuzzy set operation, Fuzzy relations, membership function, defuzzication methods, fuzzy rule base, inference system, mamdani model and Takagi –sugeno fuzzy model, construction of an fuzzy logic control, fuzzy PD controller. Fuzzy

modeling and control schemes for nonlinear systems. Self-organizing fuzzy logic control. Implementation of fuzzy logic controller using Matlab fuzzy-logic toolbox.

UNIT–V 8 hrs Fuzzy logic applications: Design of Fuzzy PI controller for speed control of DC motor- Flux programming

efficiency improvement of three phase induction motor. Neural network applications:-PWM Controller-Selected harmonic elimination PWM-Space vector PWM-Vector controlled drive-feedback signal estimation-speed

estimation and flux estimation of induction motor Course Outcomes:

CO1: Able to gain the knowledge on the artificial intelligence systems and data pre-processing and various networks

CO2: Able to acquire the skills on Genetic algorithm CO3: Able to know the concept, operation and logic control of crisp sets and fuzzy

sets CO4: Able to describe the various fuzzy logic and neural networks applications.

27

TEXT BOOKS: 1. An Introduction to Neural networks, Ben Krose and Patrick van der Smagt,

Eighth edition-November 1996 2. Fundamentals of Artificial Neural Networks, by Mohamad H. Hassoun

(MIT Press, 1995)

3. Introduction to Fuzzy Logic using MATLAB, S. N. Sivanandam, S. Sumathi and S. N. Deepa, Springer publisher

4. Foundations of Fuzzy Control, Jan Jantzen ,2007 John Wiley & Sons

5. Fundamental of neural networks architectures, algorithms and applications- Laurene Fausett-pearson publications

28

OPTIMIZATION TECHNIQUES (Elective-III)

Subject Code: PGEE2E0818 L T P C I Year / II Semester 3 - 0 3

Course Objective: To disclose the Classical Optimization Techniques, Linear & Nonlinear Programming and Dynamic Programming.

Syllabus UNIT-I 10 hrs Introduction and Classical Optimization Techniques:

Statement of an Optimization problem – design vector – design constraints – constraint surface – objective function – objective function surfaces – classification of Optimization problems. Single variable Optimization – multi variable Optimization

without constraints – necessary and sufficient conditions for minimum/maximum – multivariable Optimization with equality constraints. Solution by method of Lagrange multipliers– multivariable Optimization with inequality constraints – Kuhn – Tucker conditions.

UNIT-II: 8 hrs Linear Programming:

Standard form of a linear programming problem – geometry of linear programming problems – definitions and theorems – solution of a system of linear simultaneous equations – pivotal reduction of a general system of equations – motivation to the

simplex method – simplex algorithm. UNIT–III 8 hrs

Unconstrained Nonlinear Programming: One – dimensional minimization methods: Classification, Fibonacci method and Quadratic interpolation method. Univariate method, Powell’s method and steepest

descent method UNIT–IV 8 hrs

Constrained Nonlinear Programming: Characteristics of a constrained problem, Classification, Basic approach of Penalty Function method; Basic approaches of Interior and Exterior penalty function

methods. Introduction to convex Programming Problem UNIT–V 8 hrs

Dynamic Programming: Dynamic programming multistage decision processes – types – concept of sub optimization and the principle of 34 2013-14 optimality – computational procedure in

dynamic programming – examples illustrating the calculus method of solution - examples illustrating the tabular method of solution.

Course Outcomes: CO1: Able to know the classical optimization techniques CO2: Able to learn the linear programming standard form of a linear programming

problems

CO3: Able to analyze the constrained and unconstrained non-linear programming CO4: Able to apprehend the dynamic programming and illustrates along with

examples.

29

TEXT BOOKS: 1. “Engineering optimization: Theory and practice”-by S. S.Rao, New Age

International (P) Limited, 3rd edition, 1998.

2. “Introductory Operations Research” by H.S. Kasene & K.D. Kumar, Springer (India), Pvt .LTd.

3. “Optimization Methods in Operations Research and systems Analysis” – by K.V. Mital and C. Mohan, New Age International (P) Limited, Publishers, 3rd edition, 1996.

4. Linear Programming–by G.Hadley.

30

EVOLUTIONARY ALGORITHMS (Elective-III)

Subject Code: PGEE2E0918 L T P C I Year / II Semester 3 0 0 3 Course Objective: To familiarize upon the genetic algorithm, differential

evaluation, particle swarm optimization, firefly algorithm, ant colony optimization and harmony search algorithm.

Syllabus

UNIT-I 8 hrs Introduction (Terminology): Unconstrained optimization, constrained optimization, multi-objective optimization,

multimodal optimization, combinatorial optimization, exploration and exploitation UNIT-II 8 hrs

Genetic Algorithms: Introduction, Genetic Algorithm, Role of genetic operators, choice of parameters, GA variants, Schema Theorem, Convergence analysis.

UNIT–III 8 hrs Differential Evaluation: Introduction, differential evaluation, variants, choice of parameters, Convergence

analysis. UNIT–IV 8 hrs

Particle Swarm Optimization & Firefly algorithm: Swarm intelligence, basic PSO algorithm, accelerated PSO, Velocity limiting. Inertia weighting, Global velocity updates, Convergence analysis, Firefly behavior, standard

firefly algorithm, variation of light intensity and attractiveness, Algorithm analysis UNIT–V 8 hrs

Ant colony optimization and harmony search algorithm: Pheromone models, the ant system, continuous optimization, Harmony search algorithm

Course Outcomes: CO1: Able to understand the various terminologies in optimization

CO2: Able to apprehend on the genetic algorithm CO3: Able to get knowledge on the differential evaluation CO4: Able to learn the Particle Swarm Optimization & Firefly algorithm

CO5: Able to capture ant colony optimization and harmony search algorithm TEXT BOOKS:

1. Xin-She Yang, Elsevier, Nature Inspired Optimization Algorithms, ISBN 978-0-12-416743-8, First Edition 2014.

2. Xin-She Yang, Zhihua Cui, Renbin Xiao, Elsevier, Swarm Intelligence and Bio-

Inspired Computation: Theory and Applications, ISBN978-0-12-405163-8, First Edition 2013.

31

SIMULATION OF ELECTRIC DRIVES LAB

Subject Code: PGEE2P1018 L T P C

I Year / II Semester 0 0 3 1.5

List of Experiments

1. Simulation of three phase converter fed Dc motor.

2. Simulation of induction machine characteristics under balanced and symmetrical

conditions:

(a) dq model in synchronous reference frame

(b) dq model in stator reference frame

3. Simulation of Volts/Hz closed loop speed control of an induction motor drive.

4. Simulation of Open-loop Volts/Hz control of a synchronous motor drive.

5. Simulation of Speed control of a permanent magnet synchronous motor.

6. Simulation of capacitor-start capacitor–run single-phase induction motor.

7. Simulation of Verification of Induction machine circle diagram parameters.

8. Simulation of 3 phase 6-pulse SVPWM based Induction Motor.

9. Simulation of 3 phase 6-pulse SVWM based Induction Motor.

10. Simulation of closed loop control of DC motor.

11. Simulation of Vector Control for Closed loop Operation of 3 phase Induction

machine.

12. Simulation of Vector Control for Closed loop Operation of PMSM.

32

ELECTRIC DRIVES LAB

Subject Code: PGEE2P1118 L T P C

I Year / II Semester 0 0 3 1.5

List of Experiments

1. Performance & Speed control of Dc drive using 3-phase full Converter.

2. Performance & Operation of a four quadrant Chopper on DC Drive.

3. Performance & Operation of a 3-phase AC Voltage controller on motor load.

4. Performance & speed control of 3 phase slip ring Induction motor by Static Rotor

Resistance controller.

5. PIC Microcontroller based speed control three phase Induction motor.

6. DSP based V/F Control of 3 phase Induction motor.

7. Open & Closed loop control of SPWM based BLDC drive.

8. Open & Closed loop control of SVM based BLDC drive.

9. Symmetrical Cascaded H-Bridge Inverter fed Single phase Induction motor.

10. Symmetrical Cascaded H-Bridge Inverter fed 3 phase Induction motor.

11. Asymmetrical Cascaded H-Bridge Inverter fed Single phase Induction motor.

12. Asymmetrical Cascaded H-Bridge Inverter fed 3 phase Induction motor.