Preprint Article Version 1 NOT YET PEER-REVIEWED

New Scientific Contribution on the 2-D Subdomain Technique in Cartesian Coordinates: Taking into Account of Iron Parts

  1. ENERGY Department, FEMTO-ST Institute, UMR CNRS 6174, UBFC, Belfort, France
  2. Laboratoire de Rcherche en Electrotechnique (LRE-ENP), Algiers, 10 av. Pasteur, El Harrach, BP 182, 16200, Algeria
Version 1 : Received: 27 September 2016 / Approved: 27 September 2016 / Online: 27 September 2016 (11:18:35 CEST)

How to cite: Dubas, F.; Boughrara, K. New Scientific Contribution on the 2-D Subdomain Technique in Cartesian Coordinates: Taking into Account of Iron Parts. Preprints 2016, 2016090106 (doi: 10.20944/preprints201609.0106.v1). Dubas, F.; Boughrara, K. New Scientific Contribution on the 2-D Subdomain Technique in Cartesian Coordinates: Taking into Account of Iron Parts. Preprints 2016, 2016090106 (doi: 10.20944/preprints201609.0106.v1).

Abstract

The most significant assumptions in the subdomain technique (i.e., based on the formal resolution of Maxwell's equations applied in subdomain) is defined by: “The iron parts (i.e., the teeth and the back-iron) are considered to be infinitely permeable so that the saturation effect is neglected”. In this paper, the author presents a new scientific contribution on improving of this method in two-dimensional (2-D) and in Cartesian coordinates by focusing on the consideration of iron. The subdomains connection is carried out in the two directions (i.e., x- and y-edges). The improvement was performed by solving magnetostatic Maxwell's equations for an air- or iron-core coil supplied by a direct current. To evaluate the efficacy of the proposed technique, the magnetic flux density distributions have been compared with those obtained by the 2-D finite-element analysis (FEA). The semi-analytical results are in quite satisfying agreement with those obtained by the 2-D FEA, considering both amplitude and waveform.

Subject Areas

air- or iron-core coil; Cartesian coordinates; Fourier analysis; two-dimensional; saturation effect; subdomain technique

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