A study on the design of single phase LSPM considering the irreversible demagnetization of permanent magnet

Dae Sung Jung, Sung Chul Go, Hyun June Park, Sam Young Kwon, Hyung Woo Lee, Ju Lee

Research output: Contribution to journalArticle

Abstract

The growth on consideration of energy savings and motor efficiency has caused the LSPM(Line Start Permanent Magnet Motor) to be focused as a substitute for conventional induction motors. A Line start permanent magnet motor able to be driven at synchronous speed is designed based on a single phase induction motor in this paper. The single phase LSPM is identical to the induction motor except a permanent magnet is installed in the rotor. As the permanent magnet influences the characteristics of both transient state and steady state, a design considering both starting and synchronization conditions was used. In this paper, by adopting DOE, a single phase motor has been designed showing high power and smooth start. Also, optimal model is selected by weighting function. And the characteristics demagnetization are analyzed according to the variation of magnet shape. Finally, to verify the design results, a prototype was measured.

Original languageEnglish
Pages (from-to)2186-2193
Number of pages8
JournalTransactions of the Korean Institute of Electrical Engineers
Volume57
Issue number12
StatePublished - 2008 Dec 1

Fingerprint

Demagnetization
Permanent magnets
Induction motors
Magnets
Energy conservation
Synchronization
Rotors

Keywords

  • DOE
  • Irreversible demagnetization
  • Permanent magnet motor
  • Single phase LSPM

Cite this

Jung, Dae Sung ; Go, Sung Chul ; Park, Hyun June ; Kwon, Sam Young ; Lee, Hyung Woo ; Lee, Ju. / A study on the design of single phase LSPM considering the irreversible demagnetization of permanent magnet. In: Transactions of the Korean Institute of Electrical Engineers. 2008 ; Vol. 57, No. 12. pp. 2186-2193.
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abstract = "The growth on consideration of energy savings and motor efficiency has caused the LSPM(Line Start Permanent Magnet Motor) to be focused as a substitute for conventional induction motors. A Line start permanent magnet motor able to be driven at synchronous speed is designed based on a single phase induction motor in this paper. The single phase LSPM is identical to the induction motor except a permanent magnet is installed in the rotor. As the permanent magnet influences the characteristics of both transient state and steady state, a design considering both starting and synchronization conditions was used. In this paper, by adopting DOE, a single phase motor has been designed showing high power and smooth start. Also, optimal model is selected by weighting function. And the characteristics demagnetization are analyzed according to the variation of magnet shape. Finally, to verify the design results, a prototype was measured.",
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A study on the design of single phase LSPM considering the irreversible demagnetization of permanent magnet. / Jung, Dae Sung; Go, Sung Chul; Park, Hyun June; Kwon, Sam Young; Lee, Hyung Woo; Lee, Ju.

In: Transactions of the Korean Institute of Electrical Engineers, Vol. 57, No. 12, 01.12.2008, p. 2186-2193.

Research output: Contribution to journalArticle

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AB - The growth on consideration of energy savings and motor efficiency has caused the LSPM(Line Start Permanent Magnet Motor) to be focused as a substitute for conventional induction motors. A Line start permanent magnet motor able to be driven at synchronous speed is designed based on a single phase induction motor in this paper. The single phase LSPM is identical to the induction motor except a permanent magnet is installed in the rotor. As the permanent magnet influences the characteristics of both transient state and steady state, a design considering both starting and synchronization conditions was used. In this paper, by adopting DOE, a single phase motor has been designed showing high power and smooth start. Also, optimal model is selected by weighting function. And the characteristics demagnetization are analyzed according to the variation of magnet shape. Finally, to verify the design results, a prototype was measured.

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