Abstract
DOI : 10.5152/iujeee.2018.1824 “Tesla’s Egg of Columbus” is the project of Nikola Tesla that proved the existence of rotating field produced by two-phase AC winding in 1893. Here in this study, generalised mathematical magnetic field model for m-phase “Tesla’s Egg of Columbus” is established with its details. 3-phase model of “Tesla’s Egg of Columbus” that is non-existing in the literature is designed analytically by means of generalised expressions. Electrical and geometric quantities are calculated and the system is analysed by Finite Elements Analysis (FEA). The designed system is manufactured and tested at rated current for constant and variable frequency with eggs made of different materials. Optimised frequency for materials and geometries are obtained and compared.
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