Surge voltage protective circuit arrangements

Details Surge voltage protective circuit arrangements Surge voltage protective circuit arrangements

1985-10-01

1987-07-28

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

361111, 361119, 361 56, H02H 904

Patent

active

046835148

ABSTRACT:
A circuit arrangement for protecting a load connected across a supply against surge voltage includes a gas-filled arrester connected in parallel with a semiconductor arrester across the load. A firing circuit is provided which is responsive to the breakdown of the semiconductor arrester to apply a voltage between a trigger electrode in the gas-filled arrester and another electrode within the gas-filled arrester to reduce the breakdown voltage of the discharge gap of the gas-filled arrester. The arrangement is operative for protection against surge voltages between the supply lines, and also between each line and earth.

REFERENCES:
patent: 3480832 (1969-11-01), Person
patent: 3934175 (1976-01-01), Clark
patent: 4271445 (1981-06-01), Hartman et al.
patent: 4544983 (1985-10-01), Anderson et al.
patent: 4586104 (1986-04-01), Standler

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