Lab 2 - Instructions

Lab 2 - Instructions - EE 330 Lab#2 Spring 2007 Cylindrical...

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EE 330 Lab #2 Spring 2007 Cylindrical Capacitor You have accepted a position of a design engineer with a company producing capacitors, inductors and other electrical devices. Your first assignment is to design a cylindrical capacitor. The design requirements are the following: (1) capacitance 40pF; (2) working voltage 250V; (3) safety factor 10; (4) the device must fit into a cylindrical casing with a diameter 6mm and a length 1cm. Assume that the outer conductor has the diameter and the length of the casing. You have at your disposal six dielectric materials that can be used as a filling. The following table summarizes their properties. Material Relative permittivity Dielectric strength (MV/m) Price (USD/cm 3 ) Air 1 3 0 Teflon 2.1 20 3 Polystyrene 2.7 24 2.5 Paper 4 15 2 Mica 6 200 10 Mykroy/mycalex ceramics 6.9 19 4 Because you are happy with your new position and you do not want the company to collapse (and most important, you don’t want to get fired) you need to come up with the least expensive design.
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