Externally shielded disk windings for transformers

Details Externally shielded disk windings for transformers Externally shielded disk windings for transformers

1980-05-19

1982-03-02

Kozma, Thomas J.

Inductor devices

With coil capacitance modifying means

With surge potential gradient modifying means

336 84C, 336187, H01F 1504

Patent

active

043180663

ABSTRACT:
A disk wound transformer winding employing at least two external electrostatic shields extending axially along the outside of the disk winding for grading the impulse voltage within the winding. The inner external shield closest to the winding is connected to the line terminal and the outer external shield is connected to ground. A substantially linear voltage gradient under impulse conditions is attained by the combination of a disk winding arrangement and a specifically tailored assembly of external shields extending along the outside of the winding.

REFERENCES:
patent: 2220539 (1940-11-01), Pavou et al.
patent: 2279027 (1942-04-01), Weed et al.
patent: 2279028 (1942-04-01), Weed
patent: 3106690 (1963-10-01), Angermeyer
patent: 4084144 (1978-04-01), Weniger

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