Investigation of inductance variation with rotor eccentricity for permanent magnet motors

Po Wei Huang, Shang Hsun Mao, Mi-Ching Tsai

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Recently, the motor eccentricity problem, which can cause vibrations and noise, has become increasingly important due to the growing demand for improved quality of life and work environment. Because the eccentricity problem causes an imbalance of electromagnetic forces, most of the previous research has focused on the analysis of this concern. However, motor eccentricity can also influence the operating point and incremental inductance variation which could unbalance the current and break the winding. Therefore, this paper investigates the characteristics of inductance and operating point of motor teeth with different rotor eccentricity percentages using a permanent magnet motor. Moreover, the relationship between the incremental inductance variation and eccentricity percentages is derived by the equivalent magnetic circuit method in this paper.

Original languageEnglish
Title of host publication2010 International Conference on Electrical Machines and Systems, ICEMS2010
Pages1273-1277
Number of pages5
Publication statusPublished - 2010
Event2010 International Conference on Electrical Machines and Systems, ICEMS2010 - Incheon, Korea, Republic of
Duration: 2010 Oct 102010 Oct 13

Other

Other2010 International Conference on Electrical Machines and Systems, ICEMS2010
CountryKorea, Republic of
CityIncheon
Period10-10-1010-10-13

Fingerprint

Inductance
Permanent magnets
Rotors
Magnetic circuits
Equivalent circuits

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

Cite this

Huang, P. W., Mao, S. H., & Tsai, M-C. (2010). Investigation of inductance variation with rotor eccentricity for permanent magnet motors. In 2010 International Conference on Electrical Machines and Systems, ICEMS2010 (pp. 1273-1277). [5663382]
Huang, Po Wei ; Mao, Shang Hsun ; Tsai, Mi-Ching. / Investigation of inductance variation with rotor eccentricity for permanent magnet motors. 2010 International Conference on Electrical Machines and Systems, ICEMS2010. 2010. pp. 1273-1277
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Huang, PW, Mao, SH & Tsai, M-C 2010, Investigation of inductance variation with rotor eccentricity for permanent magnet motors. in 2010 International Conference on Electrical Machines and Systems, ICEMS2010., 5663382, pp. 1273-1277, 2010 International Conference on Electrical Machines and Systems, ICEMS2010, Incheon, Korea, Republic of, 10-10-10.

Investigation of inductance variation with rotor eccentricity for permanent magnet motors. / Huang, Po Wei; Mao, Shang Hsun; Tsai, Mi-Ching.

2010 International Conference on Electrical Machines and Systems, ICEMS2010. 2010. p. 1273-1277 5663382.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - Recently, the motor eccentricity problem, which can cause vibrations and noise, has become increasingly important due to the growing demand for improved quality of life and work environment. Because the eccentricity problem causes an imbalance of electromagnetic forces, most of the previous research has focused on the analysis of this concern. However, motor eccentricity can also influence the operating point and incremental inductance variation which could unbalance the current and break the winding. Therefore, this paper investigates the characteristics of inductance and operating point of motor teeth with different rotor eccentricity percentages using a permanent magnet motor. Moreover, the relationship between the incremental inductance variation and eccentricity percentages is derived by the equivalent magnetic circuit method in this paper.

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Huang PW, Mao SH, Tsai M-C. Investigation of inductance variation with rotor eccentricity for permanent magnet motors. In 2010 International Conference on Electrical Machines and Systems, ICEMS2010. 2010. p. 1273-1277. 5663382