Gapless surge arrester

Electricity: electrical systems and devices – Safety and protection of systems and devices – High voltage dissipation

Patent

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Details

315 36, H02H 322, H02H 904

Patent

active

042233666

ABSTRACT:
A gapless surge arrester is disclosed herein and includes a porcelain outer casing and a stack of zinc oxide discs located within the casing for passing surge currents therethrough. Silicon dioxide, preferably sand, is provided between this stack in the casing for transferring heat from the discs to the porcelain outer casing as a result of the surge current and for absorbing fault energy where necessary by changing states.

REFERENCES:
patent: 3764854 (1973-10-01), Craddock
patent: 4092694 (1978-05-01), Stetson
patent: 4100588 (1978-07-01), Kresge

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