Abstract
A new type linear synchronous motor which is based on an idea considering pinning force of high temperature superconducting (HTS) bulk as synchronizing force in using current-carrying-armature winding is proposed. However, HTS bulk could not produce lift force enough to levitate the HTS bulk ship for basic experiments. To research larger lift force, DC-magnet which generates higher magnetic fields has been used. The basic experiments on two-dimensional electromagnetic forces produced in HTS bulk within DC-magnetic field are carried out. FEM analysis of two-dimensional electromagnetic force is carried out in HTS bulk within electromagnetic fields. In the FEM analysis, HTS bulk is considered as a permanent magnet. The magnetization of the permanent magnet is expressed as subtraction of external magnetic field from internal one obtained by Bean model. The calculated and experimental results agreed well with each other.
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