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VEHICLE PROPULSION WITH SYNCHRONOUS LINEAR MOTORS

H. Buchberger, Werner Leitgeb

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Abstract

Compared to the asynchronous linear motor, the synchronous motor has a high specific thrust, but frequency variation control is necessary for changing its speed. Theoretically, 1 N/sq cm can be obtained with the asynchronous motor and 3.75 N/sq cm with the synchronous version for the surface area of the air gap. The synchronous motor can keep automatically to the track and eddy currents in the reaction rails can be suppressed, which is not the case with the asynchronous motor.

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What this paper is about

Compared to the asynchronous linear motor, the synchronous motor has a high specific thrust, but frequency variation control is necessary for changing its speed. Theoretically, 1 N/sq cm can be obtained with the asynchronous motor and 3.75 N/sq cm with the synchronous version for the surface area of the air gap. The synchronous motor can keep automatically to the track and eddy currents in the reaction rails can be suppressed, which is not the case with the asynchronous motor.

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Available abstract

Compared to the asynchronous linear motor, the synchronous motor has a high specific thrust, but frequency variation control is necessary for changing its speed. Theoretically, 1 N/sq cm can be obtained with the asynchronous motor and 3.75 N/sq cm with the synchronous version for the surface area of the air gap. The synchronous motor can keep automatically to the track and eddy currents in the reaction rails can be suppressed, which is not the case with the asynchronous motor.

Key concepts: Linear motor, Synchronous motor, Asynchronous communication, Propulsion, Thrust, Computer science, Induction motor, Control theory (sociology)

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