Overlapped superconducting inductive device

Details Overlapped superconducting inductive device Overlapped superconducting inductive device

2006-04-04

2006-04-04

Mai, Anh (Department: 2832)

Inductor devices

Polyphase

C336S182000, C336S220000, C335S216000

Reexamination Certificate

active

07023311

ABSTRACT:
An electrical device operating on the principle of induction, such as a transformer. The device employs High Temperature Superconductors to build pancake coils having a very low height to diameter ratio. These pancake coils are placed around ferromagnetic core legs as in a conventional transformer. In multiphase applications, the low height to diameter ratio of the pancake coils causes the transformer to become quite wide. The present invention proposes overlapping the adjacent pancake coils in a multiphase induction device to reduce the width. A specific example of a 3-phase power transformer is presented.

REFERENCES:
patent: 5581220 (1996-12-01), Rodenbush et al.
patent: 5604473 (1997-02-01), Rodenbush
patent: 5659277 (1997-08-01), Joshi et al.
patent: 5912607 (1999-06-01), Kalsi et al.
patent: 2002/0130748 (2002-09-01), Rhyner et al.

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