Multi arc gap surge arrester

Details Multi arc gap surge arrester Multi arc gap surge arrester

1977-09-26

1979-02-27

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361119, 361129, 313306, H02H 322

Patent

active

041422201

ABSTRACT:
A surge arrester of the gas tube type for protecting telephone lines has a primary arc gap and a secondary arc gap electrically coupled in parallel. The primary arc gap is wider than the secondary arc gap and both arc gap are exposed to the inert gaseous medium of the arrester. The gas pressure and the width of the gaps are such that the breakdown voltage of the primary arc gap is less than the breakdown voltage of the secondary arc gap so that in normal operation the arrester discharges through the primary arc gap. However, if the inert gas leaks from the tube and becomes replaced with air at atmospheric pressure, the arrester will discharge through the secondary arc gap to provide a backup protection for the line.

REFERENCES:
patent: 3448337 (1969-01-01), Kawiecki
patent: 3649874 (1972-03-01), Peche
patent: 3651380 (1972-03-01), Peche et al.
patent: 3710191 (1973-01-01), Peche
patent: 3989985 (1976-11-01), Lange et al.

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