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A linear-induction-motor propulsion system for high-speed ground vehicles

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3 Author(s)
Dannan, J.H. ; AiResearch Manufacturing Company, Torrance, Calif. ; Day, R.N. ; Kalman, G.P.

The design and development status of a linear-induction-motor propulsion system intended for use on high-speed ground vehicles is described. In this system, 3-phase, 60-Hz, 8250-V wayside power is converted by a solid-state power conditioning unit to a variable-voltage variable-frequency output suitable for use by linear-induction motors that provide up to 66 600-N (15 000-lb) propulsive thrust to the vehicle at 480 km/h (300 mi/h). The system provides continuously variable thrust during forward- and reverse-thrust modes, and such special features as automatic start-up, regenerative braking, and automatic failure/malfunction detection and shutdown. The system incorporates high-voltage water-cooled components for high specific thrust (more than 5 N/kgf, or 0.5 lbf thrust/lbf weight).

Published in:

Proceedings of the IEEE  (Volume:61 ,  Issue: 5 )