Methods for Improving Efficiency of Linear Induction Motor for Urban Transit

Methods for Improving Efficiency of Linear Induction Motor for Urban Transit

To improve the efficiency of the linear induction motors (LIMs) for transportation, the compensation of end effect for LIM with the restriction of length and the long LIM with small end effect essentially are discussed respectively. Based on the proposed concept, the compensation method of the magne...

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Veröffentlicht in:JSME International Journal Series C Mechanical Systems, Machine Elements and Manufacturing Machine Elements and Manufacturing, 2004, Vol.47(2), pp.512-517
Hauptverfasser: FUJII, Nobuo, HOSHI, Toshiyuki, TANABE, Yuichi
Format: Artikel
Sprache:eng
Schlagworte:
Compensator
Electromagnetic Analysis
End Effect
LIM
Linear Drives
Linear Induction Motor
Linear Motor
Subway
Traction
Transportation
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Beschreibung
Zusammenfassung:To improve the efficiency of the linear induction motors (LIMs) for transportation, the compensation of end effect for LIM with the restriction of length and the long LIM with small end effect essentially are discussed respectively. Based on the proposed concept, the compensation method of the magnet rotator type and AC coil type of compensators are developed respectively. The utility is not yet confirmed. As for the long LIM with length of 10m, the analysis shows that the efficiencies are about 85% at 40km/h and above 90% at 360km/h respectively.
ISSN:1344-7653
1347-538X
DOI:10.1299/jsmec.47.512