ECU 203: ENGINEERING MATHEMATICS VIII

Laplace Transform: Definitions and notation; transforms of powers, exponential and trigonometric functions; scales, shift and factors rules; inverse transforms, application to Heaviside and Delta functions and solution of differential equations; Transfer functions, convolution theorem and discrete systems: Fourier series: Periodic functions, including sine and cosine series, determination of coefficients, even and odd functions: Fourier Transform (FT) and non-periodic functions: Properties of FT and Transform rules including on differentiation, convolution theorem, delta and Dirac functions: Solutions of Differential Equations by Laplace Transform and Fourier: Special functions: Bessel functions, Legendre Polynomials; Gamma functions.

EEE 204: CIRCUIT THEORY II

Series and parallel resonance, Q-factor and tuned circuits: Single, Two and Three phase Star-Delta transformation: Single, Two and Three phase systems: Power and power factor: Mutual inductance and coupled circuits: D.C. and A.C. Transients: Introduction to matrix methods: Graph theory: signal flow graphs and computer application to solution of networks: Use of Computer-Aided Design (CAD) tools such as PSPICE and MATLAB for circuit simulation and analysis.

EEE 206: ELECTRICAL MACHINES I

Magnetic circuits and materials: magnetic circuits, materials, hysteresis loop.Kirchhoffs Laws applied to magnetic circuits, self and mutual inductance. Induced e.m.f. Stored energy. Flux m.m.f. relationship in magnetic circuits and stored energy. Electro-mechanical energy conversion principles: Conversion of energy from a mechanical to electrical form, conversion of energy from electrical to mechanical form. Energy balance equation of an electromechanical system. Force and torque as rates of change of stored energy. DC machines: types of DC machines (motors and generators), constructional elements; windings, e.m.f. and torque equations; armature reaction; commutation; energy losses and efficiency. Performance characteristics of separately excited, Series and compound machines, DC motors. Construction of a starter, Speed control by variation of armature reaction. Effect of brush shift. Calculation of magnetizing and cross-magnetizing ampere turns. Losses in DC machines - determination of efficiency. Single Phase Transformer: Principle of action; Equivalent circuits and phasor diagrams of single-phase transformer. Useful and leakage uxes; leakage reactance; voltage regulation; losses and efficiency. Transformer maximum efficiency and regulation. Polarity test; open-circuit and short circuit tests

Download 327 Kb.

1 ... 4 5 6 7 8 9 10 11 ... 48

Download 327 Kb.