Influence Of External Traveling-Wave Magnetic Field On Trapped Field Of A High Temperature Superconducting Bulk Magnet Used In A Linear Synchronous Motor

Amer Inst Physics
Publication Type:
Journal Article
Journal Of Applied Physics, 2011, 109 (11), pp. 1 - 4
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A single-sided high temperature superconducting (HTS) linear synchronous motor (HTSLSM) has been developed with a pulse magnetization system to obtain the HTS bulk magnet array with alternating magnetic poles for the motor secondary. In order to identify the trapped field characteristics of the HTS bulk magnet exposed to the external traveling-wave magnetic field generated by the primary of the HTSLSM, a measurement system has been built up and the relevant experiments have been carried out. The relationships between the trapped field attenuation of the HTS bulk magnet and the amplitude, frequency and acting direction of the external traveling-wave magnetic field are experimentally obtained to allow the HTSLSM characteristics to be practically verified.
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