Amorphous metal ballasts and reactors

Details Amorphous metal ballasts and reactors Amorphous metal ballasts and reactors

1981-03-02

1982-08-17

Kozma, Thomas J.

Inductor devices

Core forms casing

336212, 336213, H01F 2724

Patent

active

043452299

ABSTRACT:
A lamp ballast has a pair of adjacent gapped "O" magnetic cores made of nested, almost complete loops of amorphous metal strip with the gaps in the loops shaped and arranged under the secondary coil to simulate any type of restricted cross section for shaping the lamp current. A long slender reactor has a similar configuration in which the gaps are staggered; a different embodiment has a long central core of compressed amorphous metal flake and a helical overwrap of ribbon. An alloy of iron, boron, and silicon with a high B.sub.r /B.sub.s ratio is preferred for these inductive devices.

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