Electromagnetic Forces of High-T
c Superconducting Coated Conductor Coils Subjected to Sinusoidal Traveling Magnetic Fields |
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Authors: | Jing Li Fei Yen Shijun Zheng Suyu Wang |
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Affiliation: | 1. Applied Superconductivity Laboratory, State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu, 610031, P.R. China
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Abstract: | In order to optimize the structure of high temperature superconducting coils for linear motor applications, three separate coils with different shapes made of Re-BCO coated conductor were studied: circular shaped single pancake, circular shaped double-pancake and racetrack shaped single-pancake. The thrust and vertical forces of the three coils above a conventional flat linear three-phases winding were investigated experimentally. With the aid of the experimentally obtained values, it was found that single-pancake coil in the shape of a racetrack was the best selection for a flat single-sided linear motor system. Studies were also made on the frequency characteristics of the vertical force of the racetrack shaped single-pancake coil. |
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