Impulse voltage distribution improving partial-turn electrostati

Details Impulse voltage distribution improving partial-turn electrostati Impulse voltage distribution improving partial-turn electrostati

1976-09-27

1977-04-12

Kozma, Thomas J.

Inductor devices

With coil capacitance modifying means

With surge potential gradient modifying means

336 84, H01F 1504

Patent

active

040178153

ABSTRACT:
A disc wound winding formed of a plurality of spirally wound, disc coil sections and having series capacitance increasing electrostatic shields in less than all of said sections, incorporates partial-turn electrostatic shields in disc coil sections adjacent that portion of said winding not having electrostatic shields. With this arrangement, a substantial reduction in the change in series capacitance between the shielded and unshielded portions of a disc wound winding is effected which minimizes unsatisfactory impulse voltage build-up at the beginning of the unshielded portion of said winding.

REFERENCES:
patent: 3160838 (1964-12-01), Bedil
patent: 3380007 (1968-04-01), Alverson et al.

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