Experimental and Numerical Studies of a Linear Synchronous Motor with the Secondary Made of Coated Superconductor
2019
Thrust tests of a linear synchronous motor (LSM) with its secondary made of coated superconducting coils were conducted via the built prototype over the traditional copper windings. A numerical model of the superconducting LSM was made and the measured data of experiment validate its reliability. The nonlinear resistivity of coated superconductor was electromagnetically modeled by resorting to the power law in conjunction with the constitutive relationship of conductor. Based on the numerical model, we carried out a set of transient studies to make a forecast about the superiority of the proposed high temperature superconducting (HTS) LSM, such as magnetic field distribution and the time evolution of thrust together with the speed in different loads and frequencies. The achieved results clearly confirm that the proposed HTS LSM has the advantages to work as a candidate for developing the high-thrust LSM with a large air gap.
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