Finite Element Modeling of an Inversed Design Circumferential Flux Cylindrical Hysteresis Motor in Steady State Condition

Authors

Faculty of Electrical and Robotic Engineering, Shahrood University of Technology, Shahrood, Iran

Abstract

This paper presents a new iterative algorithm for finite element modelling of an inversed design (outer rotor)  circumferential flux cylindrical hysteresis motor. Proposed algorithm consists of two iteration loops for each input voltage, one to find the exciting current of the stator winding and the other for the air-gap voltage. Due to hysteresis characteristic being multi-valued which leads to the impossibility of direct introduction to the most of common finite element software, coupling a programming environment and the finite element software is employed. Employment of this coupling in each one of the interior iterations, the hysteresis loop is introduced to the finite element model of the motor via applying exciting current to the stator windings and spatial distribution of magnetization to hysteresis ring. Also, in order to create comparison possibility of the finite element results, an iterative modeling algorithm based on analytical equations is presented. It is shown that the results of both modeling methods are closed to each other with good accuracy.

Keywords

TABRIZ JOURNAL OF ELECTRICAL ENGINEERING
Volume 47, Issue 3 - Serial Number 81
November 2017
Pages 1001-1012

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