Electrical and Electronics - Lingaya's University

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B.Tech. Electrical & Electronics Engineering (Regular)3. Godse, A.P. & Godse, D. A., ―Micro-processors‖,Technical Publications.EE-305ECONOMIC OPERATION &CONTROL OF POWERSYSTEMSL T PCr5 1 0 4EE-304ELECTRIC DRIVESL T P Cr5 0 0 3OBJECTIVEDue to lack of technology, electric drives historicallywere designed to provide crude power withoutconsideration of performance. Advances in industrialmanufacturing led to a need for more sophisticateddrives which stimulated the development of the subject.With the development of power electronics devices &circuits, virtually any type of power source can now beused with any type of electric motor. The coursecontents are designed to develop fundamentals ofdrives systems & their control using static devices.1. ELECTRIC DRIVES: Basic components of anelectric drive system-power source; converters;controllers; types of industrial loads; loadtorque components; torque speedcharacteristics of electric motors; classification,choice of electric drive machines; status of acand dc drives.2. DYNAMICS OF ELECTRIC DRIVES:Fundamental torque equations; equivalent valuesof drives parameters; joint speed-torquecharacteristic of electric motors and mechanicalloads; bi-directional electric drive systems; fourquadrantelectric drives systems.3. ESTIMATION OF MOTOR POWER RATING:Heating and cooling; determination of motor ratingcontinuous;short time and intermittent duty rating;use of load diagrams; load equation anddetermination of MOI of the flywheel.4. SOLID STATE SWITCHING CIRCUITS: Review ofthree phase half wave; ac/dc converters forresistive and inductive loads; three phase full waveac/dc converter; pulse width modulation (PWH)energy recovery systems; current source inverter.5. SEMI-CONDUCTOR CONTROLLED DC MOTORDRIVES: Starting; acceleration control; braking of DCdrive; converter fed DC drive & chopper fed DC drive.6. SEMI-CONDUCTOR CONTROLLED INDUCTIONMOTOR DRIVES: Starting; acceleration control;braking; static control techniques – statorfrequency control; stator voltage control; rotorresistance control; static Scherbius system & staticKramer system; vector control.7. PMBLDC & PMSAC Drives: permanent magnetbrush less DC drive; permanent magnet sine feddrives; switched reluctance machine drive.TEXT BOOKG. K. Dubey, ‗Fundamentals of Electric Drives‘, NarosaPublishing House.REFERENCE BOOKS1. S. K. Pillai, ‗A First Course in Electric Drives‘, WileyEastern.2. Mohamed A. El-Sharkawi, ‗Fundamentals ofElectric Drives‘, Thomson Learning, USA.3. G.K. Dubey, ‗Power Semi-conductor ControlledDrives‘, Prentice Hall.OBJECTIVEAmong man-made systems, the electric powersystem has three distinctions (i) High financialinvolvement (ii) Immense utility (iii) Challengingtechnical aspects. The system needs carefulplanning and operation, which is gaining complexitydue to the increase in size of individual systems aswell as due to the inter connection of the regionalsystems to form a power pool etc. Considerationssuch as economy & security in operation are veryimportant against the background of rising costs ofoperation & production. This course assumessignificance because the power systems which haveearlier been studied in parts is now being dealt withas a system. The contents of the course relate to theefficient operation of the system as well as problemsmay arise during operation.1. NON-LINEAR PROGRAMMING (NLP):Introduction to optimization; problem; convexity;formulation of NLP problem and its solutionusing Lagrange multipliers and Kuhn–Tuckerconditions.2. ECONOMIC POWER DISPATCH: Formulation ofeconomic power dispatch problem of an All-Thermal power system with and withoutconsidering transmission losses and its solutionusing Lagrange multipliers and K-T conditions,concept of incremental fuel cost; incrementaltransmission loss and penalty factors.3. FORMULATION OF LOAD FLOW PROBLEM:Primitive network; formation of Y-bus by inspectionand using singular transmission (qualitativetreatment only), load flow equations; types ofbuses and classification of variables; solution ofload flow problem by Gauss – Seidel method (forsmall systems only).4. POWER SYSTEM STABILITY: Steady state;transient and dynamic stabilities; equal areacriterion; effect of fault clearing time on transientstability; factors affecting steady state andtransient stability.5. CONTROL OF POWER AND FREQUENCY:Necessity of maintaining frequency constant; loadfrequency control; turbine – governorcharacteristic, control loops, division of loadbetween generators; power –frequencycharacteristics of an interconnected system;systems connected by lines of relatively smallcapacity; effect of governor characteristics6. CONTROL OF VOLTAGE AND REACTIVEPOWER: Power transfer between two sources;generation and absorption of reactive power;relation between voltage, power and reactivepower at a node, methods of voltage control;generator controllers-P-f and Q-V (qualitativetreatment only)7. VOLTAGE STABILITY: Basic concept; voltagecollapse & prevention.TEXT BOOKSivanagaraju, S. and Sreanivasan, G., ―Power SystemOperation and Control‖, Pearson Education, 2009.16
Lingaya’s University, FaridabadREFERENCE BOOKS1. Weedy B.M. & Cory, B.J., ―Electric PowerSystems‖, 4 th Edition, Wiley student edition, JohnWiley & Sons, New York.2. Nagrath. I.J. & Kothari, D.P., ―Power systemEngineering‖, Tata McGraw Hill.3. Elgerd, O.I., ―Electric Energy System Theory‖, TataMcGraw Hill.EE-306COMMUNICATIONSYSTEMSL T P Cr5 0 0 3OBJECTIVETo give an idea about the basic concepts andfundamental principles involved in the communication ofinformation. Its study involves the elements ofcommunication systems which help to transform, process,and transmit the intelligence from one place to anotherplace. It describes at the receiving end, the principles,methods, and systems required to retrieve the intelligencefrom the transmitted signal in its original form.PREREQUISITEA brief knowledge of mathematics (Trigonometry,Differentiation, and Integration) and basic knowledge ofelementary signals.1. INTRODUCTION TO COMMUNICATIONSYSTEMS: Block diagram of basic Communicationsystem.; elements of basic communication system;modes and media of communication; Fourieranalysis of signals; modulation and need forModulation.2. AMPLITUDE MODULATION: Linear modulation;amplitude modulation; depth of modulation;bandwidth and power calculations; generation anddemodulation of AM, DSBSC, SSB and VSB.3. ANGLE MODULATION: Frequency and Phasemodulation; narrow band and wide band FM;transmission bandwidth of FM; power calculations;direct and indirect methods of FM signalgeneration; demodulation of FM signals; slopedetector; balanced slope detector; Foster-seelydiscriminator; pre-emphasis and De-emphasis.4. RECEIVERS: TRF and super heterodyne receiverRF, mixer and IF stages; image frequency; choiceof IF AGC; receiver characteristics &measurements; fading and diversity reception;special features of Communication Receivers.5. PULSE ANALOG MODULATION: Samplingtheory; PAM, PWM and PPM-generation anddetection; TDM &FDM.6. PULSE DIGITAL MODULATION: PCM; Signal toquantization noise ratio of a PCM; electricalrepresentation of binary data; on-off, RZ, NRZ,Differential encoding; Manchester coding. DPCM.DM. ADM.DIGITAL MODULATION: ASK, FSK, BPSK,QPSK.7. NOISE IN COMMUNICATION SYSTEMS:External noise; internal noise; S/N ratio. noisefigure (Qualitative analysis).TEXT BOOKSimon Haykin, Communication Systems, 3 rd edition,Wiley, 1995.REFERENCE BOOKS1. Sanjay Sharma, Communication Systems, Kataria& Sons.2. HSU. HWei P, Analog and DigitalCommunications, Schaum's outline series, TataMcGraw Hill, 20033. Singh, R.P. and Sapre, S.D., CommunicationSystems, Analog and Digital, Tata McGraw Hill, 2002.4. P Chakraborthy, Analog communication systems,Dhanapati rai & Sons, 20085. Sam Shanmugam.K.; Digital and AnalogCommunication Systems, Wiley, 1998.6. Taub and Shilling, Principles of CommunicationSystems, 2 nd edition, Tata McGraw Hill, 2003.7. Carlson, A.B.; Rutledze.J. and Crilly. P.,Communication Systems, 4 th edition,Tata McGrawHill, 2002.EE-307ANTENNA & WAVEPROPAGATIONL T P Cr5 1 0 4OBJECTIVEAntenna and Wave Propagation is an important field incommunication engineering. Antennas deals withtransmission and reception of radio waves. This courseprovides a unified treatment of the theoretical andpractical aspects of antenna & wave propagation.1. INTRODUCTION: Review of vector theory;gradient; divergence & curl; coordinate system;rectangular; cylindrical spherical and theirtransformation.2. FUNDAMENTAL PARAMETERS OFANTENNA: Radiation resistance; Radiationpattern; power density; beam width; InputImpedance; Gain; Directivity; Effective height;Effective aperture; polarization; bandwidth andantenna temperature.3. WIRE ANTENNAS: Electromagnetic radiation,Retarded vector and scalar potential, Radiationfrom elementary dipole (Hertzian dipole) shortdipole (Linear current distribution), halfwave dipole.Radiating Wire Structures: Folded dipole,monopole, biconical antennas, loop antenna.4. ANTENNA ARRAYS: Introduction to antennaarray , Two element array ,Broad side, End Firepattern, Principles of pattern multiplication. Nelement array pattern Synthesis, Uniform Array,Binomial Array, Chebyshev Arrays.5. VARIOUS TYPES OF ANTENNAS: ApertureAntennas, E & H plane Horns, Pyramidal Horn.Lens Antenna and Reflector Antennas, Parabolicreflector, Log Periodic Antenna, Micro stripAntennas.6. PROPAGATION OF RADIO WAVES: Differentmodes of propagation: Ground waves, spacewaves, space wave propagation over flat andcurved earth, optical and radio horizons, surfacewaves and Troposphere waves. Ionosphere; Wavepropagation in the Ionosphere; Critical frequency,Maximum usable frequency (MUF), skips distance.Virtual height.7. APPLICATION OF ANTENNAS: Antennas incommunication systems, Antennas in remotesensing, Antennas for bio medical application,antennas in Astronomy application, radar antennas.17
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