基于等效次级的直线感应电机的电磁分析与参数辨识

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Abstract This paper proposes a method of no-load test for the LIM based on equivalent secondary:back soft ferrite substitutes for back iron to eliminate secondary eddy current while the magnetizing inductance keeps constant.A two-dimensional model of electromagnetic field has been established so as to derive the impact of relative permeability on magnetizing inductance.Keeping the magnetizing inductance constant,the equivalent secondary is designed according to the equation between the relative permeability of the back plate and the magnetizing inductance.The proposed method has been validated via finite element calculation and experimentations.Moreover,the equation of magnetizing inductance has been simplified to some extend in mathematics which can fit the control strategy of the LIM.

Key words： Linear induction motor(LIM) parameter estimation no-load test magnetizing inductance

Received: 21 July 2016 Published: 20 June 2017

PACS:

TM359.4

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	Articles by authors
	Di Jun
	Fan Yu
	Liu Yajing

Cite this article:

Di Jun,Fan Yu,Liu Yajing. Electromagnetic Analysis and Parameter Estimation for the Linear Induction Motor Based on Equivalent Secondary[J]. Transactions of China Electrotechnical Society, 2017, 32(11): 145-154.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2017/V32/I11/145

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