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Current and field distributions of a superconducting power transmission cable composed of helical tape conductors

Toshiharu Tominaka

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The current distributions within a power transmission cable composed of helically wound long tape superconductors have been studied by solving the circuit equation with the inductance matrix among divided segments within a tape conductor under the Bean model. The self- and mutual inductances of helical thin tape conductors are calculated from the analytical expressions in the form of an infinite series. In addition, it is shown that the distinction between the right-handed and left-handed helixes is generally necessary in the mutual inductance between two long coaxial helical conductors.


PACS

84.71.Fk Superconducting cables

84.71.Mn Superconducting wires, fibers, and tapes

Subjects

Superconductivity

Dates

Issue 12 (December 2009)

Received 22 May 2009

Published 23 October 2009



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