Online from: 1982
Subject Area: Electrical & Electronic Engineering
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|Title:||Magnetic saturation and end effects in LSRMs modelling|
|Author(s):||Jinhua Du, (School of Electrical Engineering, Xi'an Jiaotong University, Xi'an, China and Electrical and Computer Engineering, The Ohio State University, Columbus, Ohio, USA), Deliang Liang, (School of Electrical Engineering, Xi'an Jiaotong University, Xi'an, China), Qingfu Li, (School of Electrical Engineering, Xi'an Jiaotong University, Xi'an, China)|
|Citation:||Jinhua Du, Deliang Liang, Qingfu Li, (2012) "Magnetic saturation and end effects in LSRMs modelling", COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering, Vol. 31 Iss: 1, pp.140 - 153|
|Keywords:||End effects, Finite element analysis, Linear switched reluctance machine, Magnetic equivalent circuit model, Magnetic saturation, Mathematical modelling, Wave energy conversion|
|Article type:||Research paper|
|DOI:||10.1108/03321641211184878 (Permanent URL)|
|Publisher:||Emerald Group Publishing Limited|
|Acknowledgements:||This work was supported by the National Natural Science Foundation of China (50877058).|
Purpose – The purpose of this paper is to propose a method to estimate the magnetic saturation and end effect of linear switched reluctance machines (LSRMs) with fully pitched winding configuration used in the wave energy conversion.
Design/methodology/approach – The magnetic saturation and strong coupling make it very difficult to derive a comprehensive mathematical model for the behavior of the LSRMs. Meanwhile, the various end effects could not be comprehensively considered in the two-dimensional model which is widely studied. Therefore, the magnetic equivalent circuit model including the three-dimensional (3-D) effects is presented in this paper and 3-D finite element analysis (FEA) is used to validate the mathematical model.
Findings – The results from 3-D FEA are in good agreement with the numerical simulation, which validates the accuracy of the magnetic equivalent circuit modeling method.
Practical implications – This technique helps one to know the influence exerted by the magnet saturation and end effect of LSRMs and provides a powerful computer-aided analysis tool. Meanwhile, this modeling method supplies accurate values for the following study of reliable control algorithm.
Originality/value – The paper presents a magnetic equivalent method to estimate the magnetic saturation and end effect of LSRMs with fully pitched winding configuration used in the wave energy conversion.
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