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Proposal of a Novel Design for Linear Superconducting Motor Using 2G Tape Stacks

AutorGonçalves Sotelo, Ghilherme; Sass, Felipe; Carrera, Miquel; López López, Josep; Granados, Xavier
Palabras claveLinear motors
Superconducting machine
Superconducting modeling
Fecha de publicación15-ene-2018
EditorInstitute of Electrical and Electronics Engineers
CitaciónIEEE Transactions on Industrial Electronics: 10.1109/TIE.2018.2793252 (2018)
ResumenThis manuscript presents a new design for superconducting linear motor (SLM). This SLM uses stacks of second generation (2G) superconducting tapes, which are responsible for replacing YBCO bulks. The proposed SLM may operate as a synchronous motor or as a hysteresis motor, depending on the load force magnitude. A small scale linear machine prototype with 2G stacks was constructed and tested to investigate the proposed SLM topology. The stator traveling magnetic field wave was represented by several Nd-Fe-B permanent magnets. A relative movement was produced between the stator and the stack, and the force was measured along the displacement. This system was also simulated by finite element method, in order to calculate the induced currents in the stack and determine the electromagnetic force. The H-formulation was used to solve the problem and a power law relation was applied to take into account the intrinsically nonlinearity of the superconductor. The simulated and measured results were in accordance. Simulated results were extrapolated, proving to be an interesting tool to scale up the motor in future projects. The proposed motor presented an estimated force density of almost 500 N/kg, which is much higher than any linear motor.
Versión del editorhttp://dx.doi.org/10.1109/TIE.2018.2793252
URIhttp://hdl.handle.net/10261/159873
ISSN0278-0046
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