Rotor Design for an Efficient Single-Phase Induction Motor for Refrigerator Compressors

This article describes a rotor making technology for the production of high-efficiency single-phase induction motors (SPIMs) to be used in refrigerator compressors. Rotors can have different aluminum fill factors according to the fabrication method. In order to examine the association between the fi...

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Main Authors: Hyun-Jin Ahn, Kang-Won Kim, Joon-Ho Choi, Eui-Sun Kim, Young-Cheol Lim
Format: Article
Language:English
Published: MDPI AG 2016-03-01
Series:Energies
Subjects:
Online Access:http://www.mdpi.com/1996-1073/9/3/158
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author Hyun-Jin Ahn
Kang-Won Kim
Joon-Ho Choi
Eui-Sun Kim
Young-Cheol Lim
author_facet Hyun-Jin Ahn
Kang-Won Kim
Joon-Ho Choi
Eui-Sun Kim
Young-Cheol Lim
author_sort Hyun-Jin Ahn
collection DOAJ
description This article describes a rotor making technology for the production of high-efficiency single-phase induction motors (SPIMs) to be used in refrigerator compressors. Rotors can have different aluminum fill factors according to the fabrication method. In order to examine the association between the fill factor and the efficiency of the rotor, we analyzed the distribution of magnetic flux density using the finite element method (FEM). Next, we made prototype rotors by conventional casting methods and by the proposed casting method and compared their fill factors. In addition, SPIMs were made using the rotors, and their efficiencies were measured using a dynamometer. Moreover, the SPIMs were put to use in a compressor, for testing, and for each SPIM the refrigerating capacity of the compressor was measured with a calorimeter. Based on the results of the FEM analysis of the magnetic flux density and the experiments, the reliability and validity of the proposed method were proven.
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spelling doaj.art-06565b58fe2a46a7a95c4d02e3a170b12022-12-22T04:00:30ZengMDPI AGEnergies1996-10732016-03-019315810.3390/en9030158en9030158Rotor Design for an Efficient Single-Phase Induction Motor for Refrigerator CompressorsHyun-Jin Ahn0Kang-Won Kim1Joon-Ho Choi2Eui-Sun Kim3Young-Cheol Lim4Department of Electrical Engineering, Chonnam National University, Gwangju 500-757, KoreaDepartment of Electrical Engineering, Chonnam National University, Gwangju 500-757, KoreaDepartment of Electrical Engineering, Chonnam National University, Gwangju 500-757, KoreaDepartment of Information and Communication, Shingyeong University, Hwaseong 445-852, KoreaDepartment of Electrical Engineering, Chonnam National University, Gwangju 500-757, KoreaThis article describes a rotor making technology for the production of high-efficiency single-phase induction motors (SPIMs) to be used in refrigerator compressors. Rotors can have different aluminum fill factors according to the fabrication method. In order to examine the association between the fill factor and the efficiency of the rotor, we analyzed the distribution of magnetic flux density using the finite element method (FEM). Next, we made prototype rotors by conventional casting methods and by the proposed casting method and compared their fill factors. In addition, SPIMs were made using the rotors, and their efficiencies were measured using a dynamometer. Moreover, the SPIMs were put to use in a compressor, for testing, and for each SPIM the refrigerating capacity of the compressor was measured with a calorimeter. Based on the results of the FEM analysis of the magnetic flux density and the experiments, the reliability and validity of the proposed method were proven.http://www.mdpi.com/1996-1073/9/3/158single-phase induction motorfinite element methodfill factorpressure die-castingcentrifugal castingcompressorrotor
spellingShingle Hyun-Jin Ahn
Kang-Won Kim
Joon-Ho Choi
Eui-Sun Kim
Young-Cheol Lim
Rotor Design for an Efficient Single-Phase Induction Motor for Refrigerator Compressors
Energies
single-phase induction motor
finite element method
fill factor
pressure die-casting
centrifugal casting
compressor
rotor
title Rotor Design for an Efficient Single-Phase Induction Motor for Refrigerator Compressors
title_full Rotor Design for an Efficient Single-Phase Induction Motor for Refrigerator Compressors
title_fullStr Rotor Design for an Efficient Single-Phase Induction Motor for Refrigerator Compressors
title_full_unstemmed Rotor Design for an Efficient Single-Phase Induction Motor for Refrigerator Compressors
title_short Rotor Design for an Efficient Single-Phase Induction Motor for Refrigerator Compressors
title_sort rotor design for an efficient single phase induction motor for refrigerator compressors
topic single-phase induction motor
finite element method
fill factor
pressure die-casting
centrifugal casting
compressor
rotor
url http://www.mdpi.com/1996-1073/9/3/158
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