Tubular supported axial magnetic field interrupter

Details Tubular supported axial magnetic field interrupter Tubular supported axial magnetic field interrupter

1988-06-29

1989-10-03

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3366

Patent

active

048718882

ABSTRACT:
A cylindrical coil conductor incorporated in a vacuum interrupter comprises a cylindrical body with a plurality of inclined slits therein defining a plurality of current paths. The coil conductor is uniformly cylindrical to reduce radial magnetic fields, which tend to cancel the axial magnetic field generated by the coil conductor. The cylindrical coil conductor electrically connects to a conductor disk and to a main electrode and the conductor disk electrically connects to a conductor rod. A support rod attaches to the main electrode and extends through the coil conductor and conductor disk to reduce mechanical stress on the coil conductor. A second cylindrical coil conductor is mounted in an opposing manner with inclined slits defining current paths in parallel to the slits in the first coil conductor. The current paths in the two coil conductors comprise one-turn current flow generating a uniform axial magnetic field to permit uniform distribution of the arc current between the main electrodes.

REFERENCES:
patent: 3244843 (1966-04-01), Ross
patent: 4117288 (1978-09-01), Gorman et al.

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