Interrupt assembly for a primary circuit breaker

Details Interrupt assembly for a primary circuit breaker Interrupt assembly for a primary circuit breaker

1998-04-21

2000-08-29

Donovan, Lincoln

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Interposed non-conductor

218154, H01H 3376

Patent

active

061112127

ABSTRACT:
An interrupt assembly for a primary circuit breaker of a distribution transformer includes an elongated housing that is divided into separate chambers for holding insulating fluid that extinguish an arc generated when a high-voltage electrical path between two breaker contacts is broken. The elongated housing includes openings that allow for the rapid exit of the expanding gases generated as a result of the arc. Consequently, the separately held insulating fluid in each chamber presents a strong dielectric property to the arc, causing it to extinguish rapidly.

REFERENCES:
patent: 2095729 (1937-10-01), Beiersdorf
patent: 3183331 (1965-05-01), Barkan
patent: 4307369 (1981-12-01), Jackson, Jr.
patent: 4435690 (1984-03-01), Link et al.
patent: 4591816 (1986-05-01), Mikulecky et al.
patent: 4604508 (1986-08-01), Talpo
patent: 4611189 (1986-09-01), Mikulecky
patent: 4684773 (1987-08-01), Niemeyer

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