会议论文详细信息
11th European Conference on Applied Superconductivity
Modeling and measurements of circular and trapezoidal shape HTS coils for electrical machines applications
Messina, G.^1 ; Morici, L.^1 ; Vetrella, U Besi^1 ; Celentano, G.^1 ; Marchetti, M.^1 ; Viola, R.^1 ; Sabatino, P.^2
EURATOM-ENEA Association on Fusion, via Enrico Fermi 45, Frascati-Roma
00044, Italy^1
Universitä di Salerno, Fisciano, Italy^2
关键词: Axial flux permanent magnet;    Dissipation mechanism;    Double pancake coil;    Experimental methods;    HTS (High Temperature Superconductors);    Modeling and measurement;    Second-generation HTS;    Transport current loss;   
Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/507/3/032031/pdf
DOI  :  10.1088/1742-6596/507/3/032031
来源: IOP
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【 摘 要 】

Axial Flux Electrical Machines (AFEM) with good power-to-weight and diameter-to-length ratio and high efficiency are very attractive for most industrial and power applications. Investigations with both theoretical and experimental methods of ac losses are important for a reliable prediction of dissipation mechanisms in AFEM. In this paper, simulated and measured results for both critical current (Ic) and transport current losses (Ploss), obtained on HTS coils, are reported. To investigate shape effects, double pancake coils with variable turns and shapes have been manufacted. Commercial grade ReBa2Cu3O7-x(Re Y or rare earths, ReBCO) tape and epoxy resin has been used for coil winding. A magneto-static 2D finite element model (FEM) for the coils cross section, and a lumped model for AC losses estimations, have been implemented. The agreement among measured and simulated results are satisfactory.

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