High temperature superconducting racetrack coil

Details High temperature superconducting racetrack coil High temperature superconducting racetrack coil

H - Electricity

02

K

H02K 15/04 (2006.01) H02K 55/04 (2006.01)

Patent

CA 2384593

A racetrack shaped high temperature superconducting (HTS) coil is fabricated by layer winding HTS tape (18) under tension on a precision coil form with a binder such as pre-preg filament-ply interlayer insulation. The coil form includes a racetrack shaped bobbin (12), two side plates (14) and a series of blocks (16) that define the outside surface of the coil. The outside surface of the winding is over- wrapped with a copper foil bonded to heat exchanger tubing. The coil is baked in the coil form to cure the epoxy then released from the coil form. The resulting coil structure is a strong winding composite built to close tolerance dimensions.

Une bobine ovale supraconductrice à haute température (HTS) est fabriquée par enroulement de couches de ruban HTS (18) tendues sur une forme de bobine de précision avec un liant, comme un isolant préimprégné intercouche à plis de filaments. La forme de la bobine comprend un aggloméré de forme ovale (12), deux plaques latérales (14) et une série de blocs (16) qui déterminent la surface extérieure de la bobine. Cette surface extérieure de l'enroulement est enveloppée d'une feuille de cuivre collée aux tubes échangeurs de chaleur. La bobine est cuite au four dans sa forme pour traiter l'époxyde, puis cette bobine est détachée de la forme. La structure résultante de la bobine est un article composite à enroulement robuste réalisé selon des dimensions à tolérances étroites.

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