This report concerns the design of iron-core synchronously-operating linear motors with passive rail track. Claw-pole and homopolar inductor motors were the 2 basic types considered. The principal conclusions were the homopolar inductor motor is the preferred form for the linear synchronous motor, two factors significantly influence the performance of the inductor type motor: flux leakage bridging the two armature halves in the interpolar space and iron saturation affecting preferentially the armature teeth under the poles. Both factors tend to decrease the difference in reluctance between the polar and the interpolar regions, although the weight of the inductor motor approaches that of the induction motor, a smaller power conditioner is required, tending to give the synchronous alternative a competitive edge, and the inductor motor has high lift and guidance forces almost independent of speed.
Design studies on iron-core synchronously operating linear motors
Entwurfsstudien fuer einen Synchron-Linearmotor mit Eisenkern
US Government Reports ; Dez ; 1-211
1981
211 Seiten
Report
English
High-speed, iron-cored, synchronously operating linear motors
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