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FE analysis of induction motor working in cryogenic temperature

Jerzy Kołowrotkiewicz (Institute of Industrial Electrical Engineering, Poznań University of Technology, Poznań, Poland)
Mariusz Barański (Institute of Industrial Electrical Engineering, Poznań University of Technology, Poznań, Poland)
Wojciech Szelęg (Institute of Industrial Electrical Engineering, Poznań University of Technology, Poznań, Poland)
Lech Długiewicz (Mikroma S.A. Company, Września, Poland)

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

ISSN: 0332-1649

Article publication date: 14 August 2007

665

Abstract

Purpose

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The paper aims to elaborate the method and algorithm of analysis of induction motor working in cryogenic temperature.

Design/methodology/approach

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This paper presents the design and investigation of performance characteristics of three‐phase high voltage squirrel‐cage submerged motor. The motor is intended to work at cryogenic temperature −161°C in liquefied natural gas (LNG). The time‐stepping finite element method of transients analysis in induction motor working in cryogenic temperature has been presented. The nonlinearity of the magnetic circuit, the movement of the rotor and skewed slots have been taken into account.

Findings

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The study finds that presented method and elaborated software are used to determine the steady state and dynamic performance of the high voltage squirrel‐cage submerged motor. The results of simulations and measurements of constructed model motor have been presented.

Research limitations/implications

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The problem has been considered as the 2D one. In order to take into account the skewed slots of the rotor the multi‐slice finite element method has been used.

Practical implications

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Investigation presented in the paper has been performed in order to study the influence of the temperature on motor characteristics and to verify design calculations. No‐load current, starting torque and short‐circuit current during short‐circuit test, obtained on the basis of measurements and received from calculations, are in good concordance.

Originality/value

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The paper proposes a method to determine the steady state and dynamic performance of the high voltage squirrel‐cage submerged motor working in cryogenic temperature.

Keywords

Citation

Kołowrotkiewicz, J., Barański, M., Szelęg, W. and Długiewicz, L. (2007), "FE analysis of induction motor working in cryogenic temperature", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 26 No. 4, pp. 952-964. https://doi.org/10.1108/03321640710756294

Publisher

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Emerald Group Publishing Limited

Copyright © 2007, Emerald Group Publishing Limited

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