# ELECTRICAL ENGINEERING

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2 ELECTRICAL ENGINEERING Subject Code: EE Course Structure Sections/Units Section A Unit 1 Unit 2 Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Section B Section C Section D Section E Section F Section G Section H Section I Section J Section K Topics Engineering Mathematics Linear Algebra Calculus Differential Equations Complex Variables Probability and Statistics Numerical Methods Transform Theory Electric Circuits Electromagnetic Fields Signals and Systems Algorithms Electrical Machines Power Systems Control Systems Electrical and Electronic Measurements Analog and Digital Electronics Power Electronics 1

3 Course Syllabus Section A: Engineering Mathematics Unit 1: Linear Algebra Matrix Algebra Systems of linear equations Eigenvalues Eigenvectors Unit 2: Calculus Mean value theorems Theorems of integral calculus Evaluation of definite and improper integrals Partial Derivatives Maxima and minima Multiple integrals Fourier series Vector identities Directional derivatives Line integral Surface integral Volume integral Stokes s theorem Gauss s theorem Green s theorem Unit 3: Differential equations First order equations (linear and nonlinear) Higher order linear differential equations with constant coefficients Method of variation of parameters Cauchy s equation Euler s equation Initial and boundary value problems Partial Differential Equations Method of separation of variables 2

4 Unit 4: Complex variables Analytic functions Cauchy s integral theorem Cauchy s integral formula Taylor series Laurent series Residue theorem Solution integrals Unit 5: Probability and Statistics Sampling theorems Conditional probability Mean, Median, Mode, Standard Deviation, Random variables, Discrete and Continuous distributions Poisson distribution Normal distribution Binomial distribution Correlation analysis, Regression analysis Unit 6: Numerical Methods Solutions of nonlinear algebraic equations Single and Multi step methods for differential equations Unit 7: Transform Theory Fourier Transform Laplace Transform z Transform Section B: Electric Circuits Network graph KCL, KVL, Node and Mesh analysis Transient response of dc and ac networks Sinusoidal steady state analysis Resonance Passive filter, Ideal current and voltage sources Thevenin s theorem 3

5 Norton s theorem Superposition theorem Maximum power transfer theorem Two port networks Three phase circuits Power and power factor in ac circuits Section C: Electromagnetic Fields Coulomb's Law Electric Field Intensity Electric Flux Density Gauss's Law Divergence, Electric field and potential due to point, line, plane and spherical charge distributions Effect of dielectric medium Capacitance of simple configurations Biot Savart s law Ampere s law Curl Faraday s law Lorentz force Inductance Magnetomotive force Reluctance Magnetic circuits Self and Mutual inductance of simple configurations Section D: Signals and Systems Representation of continuous and discrete time signals Shifting and scaling operations Linear Time Invariant and Causal systems Fourier series representation of continuous periodic signals Sampling theorem Applications of Fourier Transform Laplace Transform and z-transform 4

6 Section E: Electrical Machines Single phase transformer: Equivalent circuit Phasor diagram Open circuit and short circuit tests Regulation and efficiency Three phase transformers: Connections Parallel operation Auto transformer Electromechanical energy conversion principles DC machines: Separately excited Series and shunt Motoring and generating mode of operation and their characteristics Starting and speed control of dc motors Three phase induction motors: Principle of operation Types Performance Torque-speed characteristics No-load and blocked rotor tests Equivalent circuit Starting and speed control Operating principle of single phase induction motors Synchronous machines: Cylindrical and salient pole machines Performance Regulation and parallel operation of generators Starting of synchronous motor Characteristics Types of losses and efficiency calculations of electric machines Section F: Power Systems Power generation concepts ac and dc transmission concepts Models and performance of transmission lines and cables Series and shunt compensation Electric field distribution and insulators Distribution systems Per unit quantities 5

7 Bus admittance matrix GaussSeidel and Newton-Raphson load flow methods Voltage and Frequency control Power factor correction Symmetrical components Symmetrical and unsymmetrical fault analysis Principles of over current Differential and distance protection Circuit breakers System stability concepts Equal area criterion Section G: Control Systems Mathematical modeling and representation of systems Feedback principle Transfer function Block diagrams and Signal flow graphs Transient and Steady state analysis of linear time invariant systems Routh-Hurwitz and Nyquist criteria Bode plots, Root loci, Stability analysis, Lag, Lead and Lead Lag compensators P, PI and PID controllers State space model State transition matrix Section H: Electrical and Electronic Measurements Bridges and Potentiometers Measurement of voltage, current, power, energy and power factor Instrument transformers, Digital voltmeters and multimeters, Phase, Time and Frequency measurement Oscilloscopes Error analysis Section I: Analog and Digital Electronics Characteristics of diodes, BJT, MOSFET Simple diode circuits: clipping, clamping, rectifiers Amplifiers: Biasing, Equivalent circuit and Frequency response Oscillators and Feedback amplifiers 6

8 Operational amplifiers: Characteristics and applications Simple active filters VCOs and Timers Combinational and Sequential logic circuits Multiplexer Demultiplexer Schmitt trigger Sample and hold circuits A/D and D/A converters 8085Microprocessor: Architecture Programming Interfacing Section H: Power Electronics Characteristics of semiconductor power devices: Diode Thyristor Triac GTO MOSFET IGBT DC to DC conversion: Buck Boost Buck-Boost converters Single and three phase configuration of uncontrolled rectifiers Line commutated thyristor based converters Bidirectional ac to dc voltage source converters Issues of line current harmonics Power factor Distortion factor of ac to dc converters Single phase and three phase inverters Sinusoidal pulse width modulation 7

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JRE SCHOOL OF Engineering Class Test-1 Examinations September 2014 Subject Name Electromechanical Energy Conversion-II Subject Code EEE -501 Roll No. of Student Max Marks 30 Marks Max Duration 1 hour Date