Electrostatic shielding of disc windings

Details Electrostatic shielding of disc windings Electrostatic shielding of disc windings

1975-10-31

1977-08-16

Kozma, Thomas J.

Inductor devices

With coil capacitance modifying means

With surge potential gradient modifying means

336 84, 336187, H01F 1504

Patent

active

040429008

ABSTRACT:
An electrostatic shielding arrangement for improving the initial distribution of voltage which in turn reduces the insulation stresses on disc-wound coils resulting from the application of impulse or steep wave-front voltages to such coils. Floating electrostatic shields are placed near or internal of the innermost or the innermost and outermost turns only of a disc coil section. Shields are connected together in pairs, with no more than one shield connection being made between adjacent coil sections.

REFERENCES:
patent: 2905911 (1959-09-01), Kurita
patent: 3160838 (1964-12-01), Bedil
patent: 3380007 (1968-04-01), Alverson et al.
patent: 3691494 (1972-09-01), Okuyama

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