Static coupling effect of a two-degree-of-freedom direct drive induction motor

Si, Jikai, Xie, Lujia, Xu, Xiaozhuo, Zhu, Yifeng and Cao, Wenping (2017). Static coupling effect of a two-degree-of-freedom direct drive induction motor. IET Electric Power Applications, 11 (4), pp. 532-539.

Abstract

Two-degree-of-freedom motors are capable of producing linear, rotary, and helical motion, and thus have widespread applications in special industries. In this study, a new concept- static coupling effect is studied in the two-degree-of-freedom direct-drive induction motor (2DoFDDIM). The proposed approach is based on the image method and the three-dimensional (3D) finite-element method. The image method model is established to analyse its reasons and predict the main effects, which are then verified by the proposed 3D finite-element static coupling model and experiments. The induced voltages and currents are produced in the static part and induced torque or force is obtained, even though the static part is not energised. It is concluded that the static coupling effect increases with the supply frequency and is influenced by the stator winding configuration. Thus, the existence of the static coupling effect is confirmed, which must be taken into account in future optimisation and precise control of the 2DoFDDIM.

Publication DOI: https://doi.org/10.1049/iet-epa.2016.0691
Divisions: Engineering & Applied Sciences
Additional Information: This paper is a postprint of a paper submitted to and accepted by IET Electric Power Applications and it is subject to Institution of Engineering and Technology Copyright.The copy of record is available at the IET Digital Library.
Uncontrolled Keywords: Electrical and Electronic Engineering
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Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
Published Date: 2017-04-01
Authors: Si, Jikai
Xie, Lujia
Xu, Xiaozhuo
Zhu, Yifeng
Cao, Wenping ( 0000-0002-8133-3020)

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