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ECE 401 - Quasi-Static Electric and Magnetic Fields |
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| Description: Credit 3U/4G. Static electric and magnetic fields. Material description, boundary value problems. Field energy, its conversion and scaling laws. Quasi-static fields, field diffusion, eddy currents, energy losses.
Prerequisite: ECE 322
Topics:
Vector calculus (gradient, divergence, circulation, Green's theorems, determination of fields from sources) Electrostatic field in vacuum, potential and its properties, multi-pole expansion, dipoles, charges at interfaces and double layer. Electrostatic fields in material media, boundary value problems, Green's function and reciprocity. Electrostatic energy, capacitance, scalling laws for electrostatic energy, forces, actuation, and electrostatic energy conversion. Magnetostatic fields in vacuum, magnetic scalar and vector potentials, multi-pole expansion, magneticdipoles. Magnetostatic fields in material media, boundary value problems, magnetic circuits, magnatic coupling and reciprocity. Magnetostatic energy, inductance, scaling laws, magnetic forces, actuation and energy conversion. Maxwell's equations and quasi-static electro-magnetic fields, electromagnetic induction and transformers. Diffusion of quasi-static fields into conducting medium, boundary value problems, eddy currents and proximity effects. | |