Differential transformer

Details Differential transformer Differential transformer

1979-06-06

1981-09-01

Kozma, Thomas J.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

336 61, 336174, 336223, 361 45, H02H 326, H01F 4006

Patent

active

042875455

ABSTRACT:
For optimizing the manufacturing cost of the magnetic torus of a differential transformer, the volume is reduced in that the free volume of the central aperture is fully filled: only one turn for each primary conductor, the section of which is reduced, the adjacent parts of larger section forming heat sinks, the central part of the conductors having the form of circular sectors. An important saving is secured on the most expensive part of the relay.

REFERENCES:
patent: 687141 (1901-11-01), Everest
patent: 1022880 (1912-04-01), Schmidt
patent: 1986884 (1935-01-01), Fassler
patent: 2883603 (1959-04-01), Dortort
patent: 3031736 (1962-05-01), Madden
patent: 3716806 (1973-02-01), Zelenz
patent: 3725741 (1973-04-01), Misencik
patent: 4021729 (1977-05-01), Hudson, Jr.
patent: 4092607 (1978-05-01), Robins

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