Research on End Structure Losses and Its Suppression Method of High-Speed Canned Induction Motor

In the medical and chemical fields, in order to avoid the corrosion of cores and windings, it is necessary to introduce two thin cylindrical corrosion-resistant cans and end support structures into high-speed motors. The result is that there are many kinds of losses and the internal electromagnetic...

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Main Authors: Lianlian Gao, Simin Wang, Jiajia Li
Format: Article
Language:English
Published: IEEE 2023-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/10129033/
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author Lianlian Gao
Simin Wang
Jiajia Li
author_facet Lianlian Gao
Simin Wang
Jiajia Li
author_sort Lianlian Gao
collection DOAJ
description In the medical and chemical fields, in order to avoid the corrosion of cores and windings, it is necessary to introduce two thin cylindrical corrosion-resistant cans and end support structures into high-speed motors. The result is that there are many kinds of losses and the internal electromagnetic distribution is complex. The loss formation mechanisms and each sort of current path are challenging to master. In order to solve this problem, a 1.5MW high-speed canned induction motor is calculated using the 3D finite element method. The superposition method is used to separate the circulating current losses and eddy current losses at the end of the motor. The mechanism and circulating current path of the circulating current losses between the structural components are analyzed. The influence of material properties of end structures on circulating current losses and path is discussed. A new circulating current losses suppression method is proposed, and the beneficial effect of the optimized structure is verified using the temperature field. This study provides a solution for the safe and reliable operation of high-speed canned induction motors.
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spelling doaj.art-b3b11f656c4b420788777526e0625ca42023-05-29T23:00:29ZengIEEEIEEE Access2169-35362023-01-0111499134992310.1109/ACCESS.2023.327750210129033Research on End Structure Losses and Its Suppression Method of High-Speed Canned Induction MotorLianlian Gao0https://orcid.org/0000-0003-3525-8848Simin Wang1Jiajia Li2https://orcid.org/0000-0003-2694-7000School of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin, ChinaSchool of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin, ChinaSchool of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin, ChinaIn the medical and chemical fields, in order to avoid the corrosion of cores and windings, it is necessary to introduce two thin cylindrical corrosion-resistant cans and end support structures into high-speed motors. The result is that there are many kinds of losses and the internal electromagnetic distribution is complex. The loss formation mechanisms and each sort of current path are challenging to master. In order to solve this problem, a 1.5MW high-speed canned induction motor is calculated using the 3D finite element method. The superposition method is used to separate the circulating current losses and eddy current losses at the end of the motor. The mechanism and circulating current path of the circulating current losses between the structural components are analyzed. The influence of material properties of end structures on circulating current losses and path is discussed. A new circulating current losses suppression method is proposed, and the beneficial effect of the optimized structure is verified using the temperature field. This study provides a solution for the safe and reliable operation of high-speed canned induction motors.https://ieeexplore.ieee.org/document/10129033/High-speed canned induction motorend magnetic fieldcirculating current lossesinfluencing factors
spellingShingle Lianlian Gao
Simin Wang
Jiajia Li
Research on End Structure Losses and Its Suppression Method of High-Speed Canned Induction Motor
IEEE Access
High-speed canned induction motor
end magnetic field
circulating current losses
influencing factors
title Research on End Structure Losses and Its Suppression Method of High-Speed Canned Induction Motor
title_full Research on End Structure Losses and Its Suppression Method of High-Speed Canned Induction Motor
title_fullStr Research on End Structure Losses and Its Suppression Method of High-Speed Canned Induction Motor
title_full_unstemmed Research on End Structure Losses and Its Suppression Method of High-Speed Canned Induction Motor
title_short Research on End Structure Losses and Its Suppression Method of High-Speed Canned Induction Motor
title_sort research on end structure losses and its suppression method of high speed canned induction motor
topic High-speed canned induction motor
end magnetic field
circulating current losses
influencing factors
url https://ieeexplore.ieee.org/document/10129033/
work_keys_str_mv AT lianliangao researchonendstructurelossesanditssuppressionmethodofhighspeedcannedinductionmotor
AT siminwang researchonendstructurelossesanditssuppressionmethodofhighspeedcannedinductionmotor
AT jiajiali researchonendstructurelossesanditssuppressionmethodofhighspeedcannedinductionmotor