SRI VENKATESWARA COLLEGE OF ENGINEERING AND TECHNOLOGY (AUTONOMOUS)
7AEC28 DIGITAL SIGNALPROCESSING
UNIT-I
DISCRETE TIME SIGNALS AND SYSTEMS: Discrete time signals -sequences, Elementary discrete time signals, Basic operations on sequences, classification of discrete time signals, classification of discrete time systems-static and dynamic, causal and non causal, linear and nonlinear, shift invariant and shift variant, stable and unstable, FIR and IIR systems. Impulse response and linear convolution, condition for BIBO stability, Difference equation of a discrete time LTI system. System function H(Z), Stability analysis using system function, Response of a digital system using Z- transforms- Natural response, Forced response and total response, Frequency spectrum of discrete time systems.
UNIT-II
DISCRETE FOURIER TRANSFORM AND FAST FOURIER TRANSFORM:Discrete
Fourier Transforms (DFT)- DFT from DTFT, IDFT, Properties of DFT, Direct Computation of DFT and IDFT, circular convolution, Linear convolution using circular convolution, overlap- add and overlap – save methods for longsequences.
Fast Fourier transforms (FFT) - Radix2 decimation in time and decimation in frequency FFT algorithms, computation of IDFT through FFT.
UNIT-III
REALIZATION OF DIGITAL FILTERS: IIR Filter structures: Direct form-I realization, Direct form-II realization, Transposed forms, Cascade form structure, Parallel form structure, Lattice structure for first and second order IIR systems, Ladder structure.
FIR Filter structures: Direct form, Transposed form and Cascade form structures, Minimum multiplier structure for linear phase FIR filters, Lattice structure for first order and second order FIR systems.
UNIT-IV
DESIGN OF IIR FILTERS: Analog filter approximations - Butterworth and Chebyshev, Analog frequency transformation to transform low pass to high pass, band pass and band stop filters, Design of IIR filters from analog filters: Backward difference method, Impulse invariant technique and Bilinear transformation, Illustrative Problems.
UNIT-V
DESIGN OF FIR FILTERS & INTRODUCTION TO MULTIRATE SIGNAL
PROCESSING: Design of FIR digital Filters - Fourier series method, Windowing method - Rectangular window, Bartlett window, Hamming window, Hanning window, Blackman window, Illustrative Problems.
Introduction to Multirate Digital Signal Processing: Decimation and Interpolation, Sampling rate conversion by a rational factor.
TEXT BOOKS:
John G. Proakis, Dimitris G.Manolakis, Digital signal processing, principles, Algorithms and applications, Pearson Education/PHI, 4thEdition,2007.
A.Anand Kumar, Digital Signal Processing, PHI Learning Private Limited,2013.
REFERENCE BOOKS:
Sanjit K. Mitra, Digital Signal Processing, A computer base approach, Tata McGraw Hill, 3rdEdition,2009.
Andreas Antoniou, Digital Signal Processing, TATA McGraw Hill,2006.
M. H. Hayes, Digital Signal Processing, Schaum’s Outlines, TATA Mc-Graw Hill,2007.
17AEE30 POWER SEMICONDUCTORDRIVES
UNIT - I
INTRODUCTION TO ELECTRICAL DRIVES : Electric Drives-Fundamental of Electric Drives-Advantages of Electric Drives. Dynamics of Electric Drives-Fundamental torque equations-speed torque conventions and Multi quadrant operations. Electric Braking-Types of Braking-Regenerative braking, dynamic braking and Plugging. Control of Electric Drives-Modes of operations, speed control and drive classifications, closed loop control ofDrives
UNIT - II
CONTROL OF DC MOTORS BY SINGLE PHASE & THREE PHASE CONVERTERS:
Single Phase and three phase half and Fully controlled converters connected to DC separately excited and DC series motors – continuous and discontinuous motor current operation – output voltage and current waveforms – Speed-Torque Characteristics - Single Phase and three phase Dual converter control of DC separately excited motor- Application -Numerical Problems
UNIT - III
DCCHOPPERDRIVES:ControlofDCseparatelyexcitedmotorbyone,twoandfourquadrant choppers, control of DC series motor by one quadrant chopper including electric braking (Regenerative and Dynamic) – voltage and current waveforms for continuous motor currents, Application, Numerical problems. Closed loop separately excited DCmotor.
UNIT- IV
CONTROLOFINDUCTIONMOTOR:ControlofInductionMotorbyACVoltageControllers
– speed torque characteristics- Variable frequency control of induction motor by Voltage source
,currentsourceinverterandCycloconverters–Speedtorquecharacteristics–-Staticrotorresistance control – Slip power recovery – Static Scherbius drive – Static Kramer Drive, performance , Application and speed torquecharacteristics.
UNIT - V
SYNCHRONOUS AND SPECIAL MOTOR DRIVES: Modes of variable frequency control. Operation of self-controlled synchronous motors by VSI, CSI and cycloconverters. Load commutated CSI fed synchronous motor drive - operation and waveforms. Stepper motor drives - torqueVssteppingratecharacteristics,drivecircuits.Switchedreluctancemotordrives-converter circuits, modes of operation and closed loop speedcontrol.
TEXT BOOKS:
GopalK. Dubey, Fundamentals of Electric Drives, Narosa Publications, 2ndedition,2004.
M.D.Singh,K.B.Khanchandani,PowerElectronics,TataMcGrawHill,2ndedition,2013.
REFERENCE BOOKS:
R,Krishnan, Electric motor drives modeling, Analysis and control, pearson publications, 1stEdition,2009
Bose.B.K, Modern Power Electronics and AC Drives, PHI Publishers,2005.
Rashid.M.H, Power Electronics-Circuits, Devices and applications, Pearson Publications, 3rdEdition,2009.
17AEE31 POWER SYSTEMANALYSIS
UNIT-I
INCIDENCE AND NETWORK MATRICES: Representation of power system elements – Graph Theory – Incidence Matrices – Primitive Network – Formation of Bus Admittance Matrix: Direct Inspection Method – Singular Transformation Method – Formation of Bus Impedance Matrix:PerformanceEquationofaPartialNetwork–AdditionofaBranch–AdditionofaLink– Modification of the ZBUS– Numerical Problems on Incidence and NetworkMatrices.
UNIT-II
LOAD FLOW STUDIES: Necessity of Load Flow Studies – Formation of Load Flow Problem - Bus Classification – Gauss-Seidel Method: without and with PV buses – Line flow and Loss calculations – Newton Raphson Method: Polar and Rectangular Forms – Jacobian Elements – Numerical Problems GS and NR methods for one iteration – Decoupled Load Flow and Fast Decoupled Load Flow methods and its assumptions – Comparison of Load Flow Methods – DC Load Flow.
UNIT-III
SYMMETRICAL FAULT ANALYSIS: Per Unit System - Per Unit equivalent reactance network - Numerical Problems - Symmetrical Fault Analysis: Short Circuit Current and MVA Calculations - Application of Series Reactors – Current Limiting Reactors - Numerical Problems.
UNIT-IV
UNSYMMETRICAL FAULT ANALYSIS: Symmetrical Components: Symmetrical Component Transformation - Sequence Impedances and Networks of Synchronous Machine and Transformer – sequence networks-Numerical Problems.
Unsymmetrical Fault Analysis: Symmetrical Component Analysis of Unsymmetrical Faults -LG, LL and LLG Faults - Open Conductor Faults – NumericalProblems.
UNIT-V
STABILITY STUDIES: Introduction to Power System Stability – Inertia Constant and Swing Equation–PowerAngleCurve–SteadyStateStability–TransientStability:EqualAreaCriterion for Single Machine Infinite Bus – Applications of Equal Area Criterion – Critical Clearing Angle and Critical Clearing Time – Solution of Swing Equation by Point-by-Point Method – Methodsof Improving Steady State and TransientStabilities.
TEXT BOOKS:
I.J. Nagrath & D. P. Kothari, Modern Power System Analysis, Tata McGraw-Hill Publishing Company, 4thEdition,2011.
D.Das, Electrical Power Systems, New Age International Publishers,2009.
Stagg and EI-Abiad, Computer Methods in Power Systems, International Student Edition, McGraw-Hill, 1stEdition,1968.
REFERENCE BOOKS:
LP Singh, Advanced Power System Analysis and Dynamics, New Age International Publishers, 6thEdition,2012.
William D.Stevension Jr., Elements of Power System Analysis, McGraw Hill, 4thEdition, 1995.
Hadi Saadat, Power System Analysis, TMH Edition, 3rdEdition,2002.
17AEE32 SWITCH GEAR &PROTECTION
UNIT-I
FUSES AND CIRCUIT BREAKERS: Fuses- Definitions- Types and selection of fuses- Discrimination- Circuit breakers- Phenomena-Initiation and maintenance of arc-Methods of arc interruption - Restriking Voltage and Recovery voltage - Restriking Phenomenon - Average and Maximum RRRV - Numerical Problems - Current Chopping and Resistance Switching. DescriptionandOperationofMinimumOilCircuitbreakers-AirBlastCircuitBreakers-Vacuum and SF6circuitbreakers.
UNIT-II
RELAYS: Basic Requirements of Relays – Primary and Backup protection - Construction details
Attracted armature, balanced beam, Induction type and Differential type relays – Universal Torque equation – Characteristics of over current - Directional and Distance relays. StaticRelays
AdvantagesandDisadvantages–Definitetime,InverseandIDMTstaticrelays–Comparators
Amplitude and Phase comparators - Microprocessor based relays(flow charts) – Block Diagram for Over current and Distance relays – NumericalRelays.
UNIT-III
PROTECTION OF GENERATOR AND TRANSFORMER: Protection of generators against Stator faults, Rotor faults and abnormal Conditions - Restricted Earth fault and Inter-turn fault Protection - Numerical Problems on Percentage Winding Unprotected. Protection of transformers
Percentage Differential Protection - Numerical Problem on Design of CT’s Ratio - Buchholz relayProtection.
UNIT-IV
PROTECTION OF FEEDERS AND TRANSMISSION LINES: Protection of Feeder (Radial &Ringmain)usingovercurrentRelays-ProtectionofTransmissionline3-Zoneprotectionusing Distance Relays - Carrier current protection - Protection of Busbars.
UNIT-V
PROTECTION AGAINST OVER VOLTAGES: Generation of Over Voltages in Power Systems - Protection against Lightning Over Voltages – Types of Lightning Arresters - Insulation Coordination – Basic impulse insulation level(BIL).
TEXT BOOKS:
Badari Ram, Viswakarma.D.N, Power System Protection and Switchgear, Tata MC Graw Hill Publications, 2ndEdition,2011.
A.Chakrabarti, M.L.Soni, P.V.Gupta, U.S.Bhatnagar, A Text Book on Power system Engineering, Dhanpat Rai & Co. Pvt Ltd, 2ndEdition,2009.
REFERENCES:
Wadhwa.C.L, Electrical Power Systems, New Age international (P) Limited, 6thEdition, 2010.
Bhuvanesh Oza, Power System protection and switch gear, Tata MCGraw Hill,2010.
Paithankar.Y.G, Transmission network protection, Taylor and Francis,2009
17AEE37 UTILIZATION OF ELECTRICALENERGY
(Professional Elective – II)
UNIT- I
ILLUMINATION: Definition – Laws of illumination – Polar curves – Calculation of Mean Horizontal Candle power (MHCP) and Mean Spherical Candle Power(MSCP) LAMPS: Incandescent lamp, Sodium Vapour lamp, LED lamp luminars Fluorescent lamp. Requirement of goodlightingscheme–Types,DesignandCalculationofillumination-StreetlightingandFactory lighting – comparison between Sodium Vapour lamp, LED lamp - NumericalProblems.
UNIT- II
ELECTRICHEATING&WELDING:Advantages-MethodsofElectricheating–Resistance, Arc, Induction and Dielectric heating. Types of welding – Resistance, Electric arc, gas welding - Ultrasonic, Welding electrodes of various metals, Defects inwelding.
ELECTROLYTIC PROCESS: Electrolysis - Faradays laws, Application of Electrolysis, Power supply for Electrolysis Lead acid batteries.
UNIT-III
ELECTRIC DRIVES: Types of DC and AC Motors and their Characteristics – Applications - Speed Control of DC and AC Motors – Temperature rise and Load Equalization – Selection of Motors.
UNIT- IV
ELECTRIC TRACTION–I: Introduction – Systems of Electric Traction - Comparison between AC and DC Traction – Special features of Traction Motors - Methods of Electric Braking – Plugging, Rheostatic and Regenerative types -Mechanics of train movement.
UNIT-V
ELECTRIC TRACTION – II: Speed-time curves of different services – trapezoidal and quadrilateral, speed-time curves – Numerical Problems. Calculations of tractive effort, Power, specific energy consumption - effect of varying acceleration and braking retardation - Adhesive weight and coefficient of adhesion – Problems.
TEXT BOOKS:
Partab, Art & Science of Utilization of electrical Energy, Dhanpat Rai & Co.,2014.
J.B.Gupta, Utilization of Electric Power and Electric traction, S.K.Kataria & sons,10th
Edition, 1968
REFERENCE BOOKS:
Openshaw Taylor.E and Rao.V.V.L, Utilization of Electric Energy, Universities Press, Reprint2006.
Suryanarayana.N.V, Utilization of Electrical Power including Electric drives and Electric traction, New Age International (P) Limited, Publishers,1996.
Uppal.S.L, Power systems,2009.
17ACS06 OBJECT ORIENTED PROGRAMMING THROUGH JAVA
UNIT-I
OBJECT ORIENTED CONCEPTS: OOP principles- Class fundamentals, declaring objects, introducing methods, usage of static with data and methods. JAVA BASICS: Java buzzwords, JVM architecture, data types, variables, scope and life time of variables, arrays, operators, control statements, type conversion and casting, simple java program, constructors, string and String Buffer handling functions.
UNIT-II
INHERITANCE AND POLYMORPHISM: Basic concepts, types of inheritance, member access rules, usage of this and super key word, method overloading, method overriding, abstract classes, dynamic method dispatch, usage of final keyword, Garbage Collection. PACKAGES AND INTERFACES: Defining package, access protection, importing packages, defining and implementing interface, and variables in interface and extending interfaces.
UNIT-III
EXCEPTION HANDLING: Exception handling fundamentals, exception types, uncaught exceptions, usage of try, catch, throw, throws and finally keywords, built-in exceptions, creating own exception sub classes.
MULTI THREADING: Concepts of thread, thread life cycle, creating threads, synchronization, thread priorities, inter thread communication.
COLLECTIONS: set, list, Queue
UNIT-IV
APPLETS: Life cycle of an applet, inheritance hierarchy for applets, differences betweenapplets andapplications,developingapplets,simpleappletdisplaymethods,passingparameterstoapplets. EVENT HANDLING: Events, event sources, event listeners, relationship between event sources and listeners, delegation event model, handling mouse and keyboard events, adapterclasses.
UNIT-V
AWT CONTROLS: The AWT class hierarchy, user interface components- labels, button, text components,checkbox,checkboxgroups,choices,listbox,panels-scrollpane,menu,scrollbars. Working with frame windows, color,font.
SWINGS: Introduction to swings. Containers, top level containers - JFrame, JWindow, JDialog- JPanel, swing components - JButton, JToggleButton, JCheckBox, JRadioButton, JLabel, JText Field, JTextArea, JList, JComboBox, JTable, JTree, JTabbedPanes, JScrollPane.
NETWORKING:Remote Method Invocation(RMI),Client server communications
TEXT BOOK:
1. Herbert schildt, The complete reference JAVA, Tata Mc graw Hill, New Delhi, 7thEdition, 2010.
REFERENCE BOOKS:
T.Budd,AnIntroductiontoObjectOrientedProgramming,PearsonEducation,India,3rd
Edition, 2009.
J. Nino, F. A. Hosch, An Introduction to programming and OO design using Java, John Wiley & sons, New Jersey,2002.
Y. Daniel Liang, Introduction to Java programming, Pearson education, India, 7thEdition
17AEE40 POWER ELECTRONICSLAB
LIST OF EXPERIMENTS
Any TEN experiments are required to be conducted:
Characteristics of SCR, MOSFET &IGBT.
Gate firing circuits for SCR’s- R, RC and UJT firingcircuits.
Single Phase Half wave & controlled rectifier with R & RLload.
Single Phase fully controlled bridge converter with R and RLloads.
Single Phase AC Voltage Controller with R and RLLoads.
Single Phase Cycloconverter with R and RLloads.
Single phase Full Bridge Inverter with R and RLloads.
Three phase half and full controlled bridge converter with R & RLloads
Closed loop speed control of DC shunt motor using single phase controlrectifier
Speed control of inverter fed single phase inductionmotor
Buck & Boost converter with R and RLloads.
Speed control of single phase Cycloconverter fed inductionmotor
17AEC35 MICROPROCESSORS & MICROCONTROLLERS LAB
LIST OF EXPERIMENTS
Any Ninefrom Part A and Threefrom Part B
PART A
8086 Microprocessor Programs using MASM/8086 Kit:
ALPs (8086) for addition and subtraction.
ALPs (8086) for multiplication and Division.
ALPs (8086) to determine GCD and LCM of two 16-bitnumbers.
ALPs (8086) to evaluate arithmeticexpressions.
ALPs (8086) for sorting andsearching.
Logicoperations–Shiftandrotate– ConvertingpackedBCDtounpackedBCD,BCD to ASCIIconversion.
String operations – Move block, Reverse string, String comparison, Length ofstring.
INTERFACING:
ALPs(8086)forsquarewaveandrectangularwavegenerationusing8255inI/Omode and BSRmode.
ALPs (8086) for ADC and DAC interfacing boards and drawing output Vs input characteristics.
ALPs (8086) for generating ramp wave, triangular wave, and stair case wave forms using DAC.
ALP (8086) for pattern generation using dual DAC interfacingboard.
ALP (8086) for traffic lightcontroller.
ALP (8086) for stepper motorcontrol.
PART B
MICROCONTROLLERS:
(a) ALP (8051) to determine the largest of Nbytes.
ALP (8051) to determine the smallest of Nbytes.
(a) ALP (8051) to multiply a 16-bit number by an 8-bitnumber.
(b) ALP (8051) to find square root of an 8-bit number.
(a) ALP (8051) to determine LCM of two 8- bitnumbers.
(b) ALP (8051) to determine GCD of two 8- bitnumbers.
Timer/Counters (8051) in differentmodes.
17AEE41 POWER SYSTEMS AND PROTECTIONLAB
LIST OF EXPERIMENTS
Any TEN experiments are required to be conducted:
Determination of Dielectric Strength of oil andair.
Differential protection ofTransformer.
Electro mechanical type 3 – Q over currentrelay.
Directional over currentrelay.
Electro mechanical type over voltagerelay.
Electro mechanical type under voltagerelay.
Earth faultrelay.
Simulation of analysis of short circuit, over current and over voltage faults in over head transmission line using SKM powertool.
Simulation of analysis of harmonics investigation and filter design in transmission line using SKM power tool.
Simulation of system dynamic, Transient stability and fault analysis in transmission line using SKM power tool.
Fault analysis of 3 phase alternator (LG, LL, LLG, LLLGFaults)
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