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EE-241 ELECTROMECHANICS-I

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1. Transformers: Construction, Theory and operation, E.M.F.equation, phasor diagram,

equivalent circuit, open and short circuit tests, back to back test, voltage regulation andefficiency, autotransformers, three winding transformer, parallel operation of single phase and

three phase transformers, three phase transformer connections, phasor groups, three phase to

two phase and six phase conversion, Harmonics and excitation phenomenon, inrush currentphenomenon.

2. Basic concepts of Rotating Electrical Machines: Constructional details of various rotating

machines, Introduction to Lap and wave windings, EMF generation, Effect of chording anddistribution of winding on EMF, Harmonics in generated emf, MMF of distributed winding,

3. Energy Conversion: Principle of electromechanical energy conversion, energy stored in a

magnetic field system, singly and doubly excited systems.

4. DC Machines: Action of commutator, E.M.F. generated in armature, Torque in DCmachines, Methods of excitation, armature reaction, MMF and flux density wave from the DC

Machines, Commutation process, interpoles and compensating windings. Basic performance

equations of DC machine. Magnetization and operating characteristics of DC generators andDC motors, starters, Speed control, Ward Leonard system, losses and efficiency.

5. Crossfield Machines: Principle of operation of Rosenberg generators, amplidyne and

metadyne.

BOOKS:

1. Electrical Machinery by P.S. Bhimbra.

2. Electric Machinery by Fitzerald, Kingsley and Umans.

3. Theory of AC Machinery by A.S.Langsdorf.4. Electrical Machines, Ashfaq Hussian, Dhanpat Rai& Co.

5. Electrical Machinery by Chapman.

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EE-242 POWER SYSTEM

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1. Introduction to MATLAB and its application

2. Mechanical Design of Line: Catenary method, loading on conductors, conductor, clearance

from ground, erection sag and tension, sag-template.

3. Insulators: Types of insulator, voltage distribution and string efficiency method to improve

voltage distribution.

4. Parameters of Transmission Line: Inductance of two-write line, three-phase line

inductance and bundle conductor line, line capacitance of two wire line, three phase line.

Effect of earth on the line capacitance of bundled conductors lines.

5. Transmission Line Performance: Classification of the line, ABCD constant of line, short

time, T & II model of medium length line, rigorous analysis of long transmission line, Ferrantieffect, surge impedance loading, power flow through a line, power circle diagram, control of

voltage and reactive power.

6. Traveling Waves: Wave equations, surge impedance, energy and power of a surge, velocity

of traveling of waves, reflection and refraction of waves, Bweley lattice diagram.

7. Corona:The phenomenon of corona critical disruptive voltage, corona power loss, radio

interference minimization of corona.

8. Underground Cables: Cable construction, dielectric stress insulation resistance, grading of

cables, cable capacitance, and types of cable.

9. Power Generation and Distribution System: Different types of generating systems, radial

and ring main distribution systems.

BOOKS:

1. Electrical Power System by Ashfaq Hussain, CBS Publisher Distributors, New Delhi

2. Power System Analysis by Hadi Sadat Tata McGraw-Hill Publishing Co. Ltd.3. Elements of power System Analysis by WB Stevenso, Mc Graw Hill

4. Modern Power System Analysis by Nagrath & Kothari Tata McGraw Hill

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EE-243 ELECTROMAGNETIC FIELD THEORY

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1. INTRODUCTION: Review of vector analysis: Scalar & vector, products: gradient,divergent and curl of a vector and their physical explanation-Transformation amongst

rectangular, cylinderical and spherical co-ordinate system.

2. ELECTROSTATICS: Coulomb's law, electric field intensity from point charges, field due

to continuous distribution of charges, gausss law, Electric displacement and displacement

density potential function, potential field of a point charge, laplaces and poisons equations.

3. MAGNETOS-TATICS: Magnetic field intensity and magneto motive force, Amperes

Circuital law, Energy stored, biot-savart law, vector potential, magnetic dipole.

4. TIME DEPENDENT FIELDS: Ampere's work law in differential vector form, continuityof currents, conduction and displacement current. Maxwell's equations and their

interpretations, boundary conditions. Wave equations, sinusoidal time varying fields, uniformplane wave in dielectric and conductor media, skin effect and depth of penetration, reflection

and refraction of plane waves at boundaries for normal and oblique incidence surface

impedance.

5. ENERGY FLOW AND POYNTING VECTOR: Pointing theorem, interpretation of ExH.

Simple application, complex pointing vector.

6. GUIDED WAVES: (a) Transmission line theory from the circuit concept, properties;

constants;transmission line equations; infinite line; reflections in transmission lines; voltage,

current andimpedance relations-open and short circuit lines; Experimental determination ofline constants. Standing wave ratio; impedance matching, quarter and half wave lines single

stub and double stub matching; circle diagram - Smith chart. (b) Waves between parallel plane;

Transverse Electric wave, Transverse magnetic waves; characteristics of TE & TM waves;Transverse Electromagnetic waves; velocity of propagation; Attenuation in parallel plane

guides; wave impedance.

BOOKS:

1. Electromagnetic waves & radio system by Jorden R.F.

2. Principle and applications of Electromagnetic fields by Ptonsey R and Collin R.P.

3. Applied Electromagnetic by Planus M.A.

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EE-244 POWER ELECTRONICS

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1. Characteristics of Various Solid State Devices: Power diode, Power transistor, MOSFET,Thyristor & its two transistor model, Triac, Gate turn off thyristor (GTO), insulated gate

bipolar transistor (IGBT), comparison of switching power devices, turn on & turn off

characteristics, driver circuits.

2. AC to DC Converters:Natural commutation, single phase and three phase bridge rectifiers,

semicontrolled & fully controlled rectifiers, dual converters, effect of load and source

inductance, inverter operation.

3. DC to DC Converters: Thyristor choppers, voltage, current and load commutation, step up

Choppers, basic principles of switch mode power supplies, buck, boost and buck-boost

converters.

4. DC to AC Inverters: Voltage source inverters, single phase inverter, three phase inverter,harmonic reduction techniques and PWM techniques, current source inverter.

5. AC to AC Converters: Single phase & 3-phase AC voltage controllers using thyristors &trial integral cycle control, AC choppers, single phase cycle converters, applications, effects of

harmonics & electromagnetic interference.

BOOKS:

1. Recent Advances in Semiconductor Devices by B.K.Bose.

2. An Introduction to Thyristor and their applications by M.Ramamurthy.

3. Power Electronics - P.S.Bhimbra.4. Thyristorised Power Controllers- Dubey, Doradla, Joshi and Sinha

5. Power Electronics, M.H. Rashid

6. Power Electronics (Converter, Applications & Design), Ned Mohan, T. M Undeland & W.P. Robbin

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EE-245 TRANSDUCERS & SIGNAL CONDITIONING

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1. Transducers: Introduction, classification, Mechanical devices as primary detectors, Basicrequirements of a transducer, Electrical transducers, Type of transducers for measuring

displacement, strain, vibration, pressure, Flow, temperature, force, torque, liquid level,

Humidity, P. H. value, velocity (angular & linear), acceleration, Basic principles of resistivetransducers, Inductive transducers, capacitive transducers, Thermoelectric transducers,

Piezoelectric transducers, Hall effect transducers, Electromechanical transducers, Photoelectric

transducers, Digital transducers

2. Signal Processing Circuits: Introduction, ideal op-amp, Operational amplifier

specifications, Zero crossing detector, Zero crossing detector with Hysteresis, inverting and

non-inverting amplifiers, Voltage-follower, Adder, subtractor, Multiplier, divider, integrator,

Differentiator, voltage to current converter, current to voltage converter, Phase shifter circuit,Absolute-Value circuit, Peak detector, AC to DC converter, logarithmic converter,

Differential-amplifier, Instrumentation amplifier, Analog Modulators & demodulators.

3. Data Display and Recording Systems: Introduction to Analog and digital display methods,

Analog Recorders, C.R.O., Magnetic tape recorders, digital input-output Devices, Digitalfrequency meter, Digital Voltmeter.

4. Data Transmission and Telemetry: Introduction, Characteristics of Frequency division

multiplexing, Time-division multiplexing, Transmission channels and media.

5. Data Acquisition and Conversion: Introduction, signal conditioning of the inputs, single

channel D A S, Multi-channel D A S, Data Conversion, Multi-plexer and S/H circuit, A/Dconverter.

BOOKS:

1. Transducers and Instrumentation of by D.V.S. Murty (PHI)India.

2. Instrumentation Devices & Systems by C.S. Rangan, G.R. Sarma, V.S.V. Mani (TMH)

NewDelhi.

3. A course in Electrical & Electronic Measurements & Instrumentation by A.K.Sawhney.4. Operational Amplifiers and Linear Integrated Circuits by Robert F. Coughlin & Frederick

F. Driscoll, (PHI) India.

5. Measurement Systems (application & Design) by Ernest O. Doebelin.

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EE-246 NETWORK ANALYSIS AND SYNTHESIS

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Network Topology: Definition, Graph, Tree, Basic cut- set & tie-set matrices for planer

networks-loop and nodal method of analysis of networks with independent and dependent

Voltage & current source, Duality & dual networks.

Network Functions: Introduction, driving point and transfer functions, poles and zeros and

their significance, network functions for one port and two port networks, time domain behaviorfrom the pole-zero plot.

Elements of Network Synthesis:

Network realizability, Hurwitz Polynominals, Positive real functions, Properties of RC, RL &LC networks, Foster and Cauer forms of realization, Transmission zeroes, Synthesis of transfer

functions.

Operational Amplifiers:Basic OP-AMP, Differential amplifier, Emitter coupled Differential Amplifier, transfer

characteristics of differential OP-AMP, IC operational Amplifier, Offset error voltage and

currents, Temperature drift of input offset voltage and current.

Filters Synthesis :

Classification of filters, characteristics impedance and propagation constant of pure reactive

network, Ladder network, T section, section, terminating half section. Low pass, High pass,Band pass & Band reject filter design concepts. Design of constant-K, m derived filters.

Composite filters, Butterworth and Chebyshev approximations, Normalized specifications,

Frequency transformations, Frequency and impedance denormalisation, Types of frequency

selective filters, Linear phase filters, active filter concept.

Text Books:

1. Someshwar C. Gupta, Jon W. Bayless, Behrouz Peikari ", Circuit analysis with computer

applications to problem solving", Wiley- Eastern Ltd., 1991.

2. Louis Weinberg, Network Analysis and Synthesis ", McGraw Hill Book Company Inc.,

1962.

3. Vasudev K. Aartre," Network Theory and Filter Design ", Wiley- Eastern Ltd., Second

Edition, 1993.References:

1. Franklin F. Kuo, " Network Analysis and Synthesis ", John Wiley.

2. Van valkenburg, " Network Analysis ", Prentice Hall of India Pvt. Ltd., New Delhi, 1994.

3. Lawrence P. Huelsman, " Active and Passive Analog Filter Design ", McGraw Hill, 1993.