Measuring transformer for high-voltage switch-gear with metal en

Details Measuring transformer for high-voltage switch-gear with metal en Measuring transformer for high-voltage switch-gear with metal en

1979-03-26

1982-10-12

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With coupling means

324127, 336 84C, 336174, 336175, G01R 1504, H01F 4006

Patent

active

043541542

ABSTRACT:
A measuring transformer for use with high-voltage switch-gear of a type which employs metal encapsulation. The transformer is retained between flanges at a joint of the metal encapsulation and includes a sealing and insulating spacing means. The latter forms a ring-shaped cavity with the flanges and seals such cavity from the interior of the metal encapsulation. In the ring-shaped cavity is disposed at least one iron core having a secondary winding placed thereon, the latter core together with the inner conductor of the high-voltage switch-gear forming a current transformer.

REFERENCES:
patent: 1709826 (1929-04-01), Austin
patent: 3222625 (1965-12-01), Ledocq
patent: 3652778 (1972-03-01), Sakai
patent: 3959761 (1976-05-01), Graul
patent: 3990001 (1976-11-01), Schiemann
PTB-Mitteilungen; 1/73; p. 38.

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