Generalised model of multiphase tesla's egg of columbus and practical analysis of 3-phase design

Atamer Gezer, Mehmet Onur Gülbahçe*, Derya Ahmet Kocabaş

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

“Tesla's Egg of Columbus” is the name given to the experiment conducted in 1893 by Nikola Tesla that proved the existence of rotating magnetic field produced by two-phase AC winding. In this study, a generalized mathematical magnetic field model for m-phase “Tesla's Egg of Columbus” is presented in detail, and a novel 3-phase model of “Tesla's Egg of Columbus” is designed analytically by means of generalized expressions. Electrical and geometric quantities are calculated, and the system is analyzed by finite element analysis (FEA). The designed system is manufactured and tested for rated current and for constant and variable frequency with eggs made of different materials. Optimized frequency for materials and geometries are obtained and compared.

Original languageEnglish
Pages (from-to)151-158
Number of pages8
JournalIstanbul University - Journal of Electrical and Electronics Engineering
Volume18
Issue number2
DOIs
Publication statusPublished - 2018

Bibliographical note

Publisher Copyright:
© Copyright 2018 by Electrica.

Keywords

  • 3-phase rotating magnetic field
  • Mathematical model
  • Tesla's Egg of Columbus

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