Analysis of a tubular linear motor with soft magnetic composites for reciprocating compressors

Min Fu Hsieh, Kai Hsiang Hu

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

This paper presents the analysis of a single-phase tubular linear motor formed with soft magnetic composites for direct driving reciprocating compressors. This direct-drive design can solve the potential cylinder wearing problem caused by the crank side force in conventional reciprocating compressors. The overall size may also be reduced without transmission mechanism. To produce sufficient thrust for the cooling cycles, the designed motor features a structure of three-dimensional flux distributions that allows an increase of slot-fill factor to enhance the thrust density. Moreover, the motor makes use of the inherent cogging force which contributes to the overall thrust. Finite element analysis is employed to verify the performance. The results show that the motor is capable of producing high thrust with a compact size compared to other types of motors.

Original languageEnglish
Article number07F112
JournalJournal of Applied Physics
Volume103
Issue number7
DOIs
Publication statusPublished - 2008

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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