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An improved simulation model of switched reluctance motor including transient core losses for steady-state operation

Wenju Yan (Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology and Equipment, School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou, China and Xuzhou City Key Laboratory of High Efficient Energy Storage Technology and Equipment, School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou, China)
Hao Chen (Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology and Equipment, School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou, China and Xuzhou City Key Laboratory of High Efficient Energy Storage Technology and Equipment, School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou, China)
Tong Xu (Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology and Equipment, School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou, China and Xuzhou City Key Laboratory of High Efficient Energy Storage Technology and Equipment, School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou, China)
Kai Wang (Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology and Equipment, School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou, China and Xuzhou City Key Laboratory of High Efficient Energy Storage Technology and Equipment, School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou, China)

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

ISSN: 0332-1649

Article publication date: 4 December 2018

Issue publication date: 24 January 2019

218

Abstract

Purpose

An improved simulation model of switched reluctance motor (SRM) for steady-state operation that considers the core losses in the stator and rotor is established to obtain the steady performance of the high-speed SRM during the design, analysis and control of SRM driving system more accurately.

Design/methodology/approach

The transient core loss model for the material and SRM is presented. Then a new method for calculating the flux density of the motor in real time is introduced, and a steady-state simulation model of the SRM including real-time transient core losses calculation model is established according to the transient flux density. Because the transient core losses calculated by above method are the total core losses of the motor, a core losses distribution method is proposed and the steady-state simulation model of the SRM including the distributed core losses’ effect on the phase winding is established.

Findings

The comparison results show that the proposed model has higher accuracy than the traditional model, excluding core losses, especially at the moments when phase voltage is turn-on and turn-off. The proportion of the core losses to the motor losses increases with the increase in speed. So, the core losses’ effect on the steady-state performance of the high-speed SRM cannot be ignored.

Originality/value

The method to obtain flux density in the real time is presented and the improved steady-state simulation model of SRM that considering transient core losses is proposed.

Keywords

Acknowledgements

This work was supported by the Intergovernmental Science and Technology Innovation Cooperating Special Project of Chinese National Key Research and Development Program under grant no. 2016YFE0132300, the Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology and Equipments under grant no. [2017]975-18, the Xuzhou City Key Laboratory of High Efficient Energy Storage Technology and Equipments under grant no. KH17078, Jiangsu Province Key R&D Program of China under Grant BK2018, Inter-governmental S&T Cooperation proposal between China and Poland, and Inter-governmental S&T Cooperation proposal between between China and Slovenia under Grant [2018]11/12-4.

Citation

Yan, W., Chen, H., Xu, T. and Wang, K. (2019), "An improved simulation model of switched reluctance motor including transient core losses for steady-state operation", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 38 No. 1, pp. 477-499. https://doi.org/10.1108/COMPEL-12-2017-0511

Publisher

:

Emerald Publishing Limited

Copyright © 2018, Emerald Publishing Limited

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