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Numerical analysis of electromagnetic field in devices with the high-speed unit

Jinghui Shao (State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi’an Jiaotong University, Xi’an, China)
Zhen Kang (State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi’an Jiaotong University, Xi’an, China)
Jiawei Wang (State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi’an Jiaotong University, Xi’an, China)
Xikui Ma (State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi’an Jiaotong University, Xi’an, China)

COMPEL - The international journal for computation and mathematics in electrical and electronic engineering

ISSN: 0332-1649

Article publication date: 6 November 2017

138

Abstract

Purpose

The purposes of this paper are to numerically analyse the distribution of the electromagnetic field in the electromagnetic device wherein a high-speed unit exists and to develop a strong tool to analyse the evolution of an electromagnetic field tangled with moving parts.

Design/methodology/approach

The precise integration time domain (PITD) method and parameter weighted averaging approximation scheme.

Findings

It is shown that that the electromagnetic field in the device is significantly affected by the velocity of the moving unit and the parameters of the base material. The computation resources of the proposed method are saved and the efficiency is enhanced.

Originality/value

The parameter approximation (PA)-PITD method can be an effective and efficient time domain method to analyse the evolution of the electromagnetic field in electromagnetic devices with moving parts and similar problems.

Keywords

Acknowledgements

This work was supported by the National Natural Science Foundation of China under Grant No. 51677140.

Citation

Shao, J., Kang, Z., Wang, J. and Ma, X. (2017), "Numerical analysis of electromagnetic field in devices with the high-speed unit", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 36 No. 6, pp. 1642-1652. https://doi.org/10.1108/COMPEL-12-2016-0556

Publisher

:

Emerald Publishing Limited

Copyright © 2017, Emerald Publishing Limited

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