Analysis of Pulsating Magnetic Fields in a Parallel Stator Winding Eccentric Rotor Induction Motor

Gaurav Kumar, Karuna Kalita, Kari Tammi, Praveen Kumar, Jenni Pippuri-Mäkeläinen, Atanu Banerjee

Research output: Contribution to journalArticleScientificpeer-review

Abstract

A parallel stator winding is considered effective in terms of unbalanced magnetic pull suppression. The present investigation concentrates on bridge configured winding which is a special type of parallel winding connection. When the rotor of the motor is eccentric, an additional pulsating force is generated in parallel stator winding motor compared to a series stator winding motor. This work investigates the behavior of the magnetic field to find out the reason behind the pulsating nature of the eccentric forces in parallel winding. It is demonstrated that the six-pole pulsating magnetic field is the reason behind the generation of pulsating forces. This has also been verified through experimental measurements.
Original languageEnglish
Article number9662356
JournalIEEE Transactions on Magnetics
Early online date23 Dec 2021
DOIs
Publication statusE-pub ahead of print - 23 Dec 2021
MoE publication typeA1 Journal article-refereed

Keywords

  • Windings
  • Magnetic fields
  • Stator windings
  • Rotors
  • Induction motors
  • Air gaps
  • Magnetic levitation

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