Superconducting Excitation System of a Small Scale Linear Synchronous Motor

Applied Superconductivity, IEEE Transactions（2011）

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摘要

A four pole superconducting excitation system that was part of a linear synchronous motor (LSM) system, was fabricated and its thrust and normal forces studied experimentally. Four cases were investigated, air-cored, with a ferromagnetic (FM) back plate, an FM core, and with both an FM back plate and core. With a total of only 15 m of YBCO coated conductor in the form of four coils as the excitation system, thrust output of up to 95 N while operating at 77 K with a magnetic gap of 10 mm was obtained in one particular case. The results of the studied superconducting LSM system help better understand the feasibility of their applications to drive systems for Maglev trains.

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关键词

linear synchronous motors,magnetic cores,superconducting coils,superconducting magnets,yttrium compounds,FM core,Maglev trains,YBCO,YBCO coated conductor,drive systems,ferromagnetic back plate,four pole superconducting excitation system,magnetic gap,small scale linear synchronous motor,superconducting LSM system,temperature 77 K,thrust force,Applied superconductivity,YBCO coated conductor,linear synchronous motor,superconducting magnets,

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