Dependence of Critical Current and Quench Energy of BSCCO-2223 Tapes on Bending Diameter

Breschi, Marco; Casali, Massimiliano; Corona, Nancy Nayeli Contreras; Ribani, Pier Luigi; Trillaud, F.; Nishijima, G.

doi:10.1109/tasc.2016.2530865

Cited by 8 publications

(1 citation statement)

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“…The coils are wound on two identical mandrels, with the same number of layers (NL) and turns per layer (NT). The mandrel outer diameter (82 mm) is selected so as not to degrade the tape critical current due to bending [21]. The main coil parameters are presented in Table I.…”

Section: Methodsmentioning

confidence: 99%

Electrical Characteristics of HTS Coils With and Without Insulation in a Layer-Wound Configuration

Musso

Angeli

Ascade

et al. 2021

IEEE Trans. Appl. Supercond.

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This paper analyses the current distribution in noinsulation (NI) coils in a layer-wound configuration. The investigation aims at comparing the electrical characteristic of two coils wound from the same BSCCO tape, with or without electrical insulation between turns. Both coils are characterized by a very similar geometry, with the same number of turns and layers. Both coils, cooled in liquid nitrogen bath, are charged until the tape critical current is exceeded. To interpret the measurements and analyze the current distribution within the winding, a lumped-parameter equivalent electrical circuit is developed and solved numerically in a time-varying regime. The model results are compared with the signals acquired through voltage taps soldered at the same locations in both coils. Finally, the model is applied to investigate the impact of the transverse contact resistance and to estimate the most stressed locations of the coil during charging, in terms of power produced by Joule effect.

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Section: Methodsmentioning

confidence: 99%