Core-form transformer

Details Core-form transformer Core-form transformer

1993-09-22

1996-04-16

Kozma, Thomas J.

Inductor devices

Coil formed of parallel connected conductors

Crossed or transposed conductors

336205, 336206, 336223, H01F 2730

Patent

active

055086748

ABSTRACT:
An improved core-form transformer is disclosed. The core-form transformer includes a c-wrapped ribbon conductor with opposing wide sides and opposing thin sides. The c-wrapped ribbon conductor is wound around a core to form a plurality of coil sections. Adhesive is applied directly to one of the wide sides of the ribbon conductor to form a strong mechanical coupling within the coil sections. A novel transposing fold of the ribbon conductor is employed to create coil transpositions. The core-form transformer of the invention reduces circulating current losses while utilizing only a small number of transposing folds, generally adjacent to a first coil section, a last coil section, and an intermediate coil section.

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