Dry type instrument transformer with potential tap and connector

Details Dry type instrument transformer with potential tap and connector Dry type instrument transformer with potential tap and connector

1974-04-08

1976-05-25

Kozma, Thomas J.

Inductor devices

With electric and/or magnetic shielding means

336 96, 336107, 339 19, 339143R, H01F 1504, H01F 2704

Patent

active

039597601

ABSTRACT:
A dry-type instrument transformer having a potential tap in the form of a well molded into the body of the transformer. A female conductor terminal is provided inside the well connected to the high voltage winding of the transformer. A connector in the form of an elbow module fits within the well and has a male conductor member which mates with the female member. A ground coating is provided on the exterior surface of the transformer and is in conductive relation to a ground coating on the elbow module. A metering system having a potential transformer and a current transformer each with a potential tap and connected together by a pair of interconnected elbow modules.

REFERENCES:
patent: 2327784 (1943-08-01), Hartzell
patent: 2447376 (1948-08-01), Tognola
patent: 2748184 (1956-05-01), Nicholas
patent: 3150230 (1964-09-01), Goodman
patent: 3173115 (1965-03-01), Peuron
patent: 3223920 (1965-12-01), Sasaki
patent: 3368175 (1968-02-01), Giegerich et al.
patent: 3377487 (1968-04-01), McNulty
patent: 3422392 (1969-01-01), Woods
patent: 3463932 (1969-08-01), Weinfurt
patent: 3539972 (1970-11-01), Ruete et al.
patent: 3551587 (1970-12-01), Propst
patent: 3763461 (1973-10-01), Kotski
patent: 3868616 (1975-02-01), Yonkers

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