Protection of sensitive electrical installations against the eff

Details Protection of sensitive electrical installations against the eff Protection of sensitive electrical installations against the eff

1987-03-02

1989-11-14

Jennings, Derek S.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361 56, 361127, 361138, H02H 104

Patent

active

048811475

ABSTRACT:
The protection arrangement according to the invention for protecting electric installations against lightning effects is characterized in that an electric relationship between a multiphase input line and the installation includes for each of the phases at least a first set of spark-gap arresters, at least a first self-inductance coil and at least a first variable resistance lightning arrester. Such an arrangement is particularly applicable to the protection of transformation units, hertzian relays or other delicate electric or electronic installations.

REFERENCES:
patent: 1477307 (1923-12-01), Allcutt
patent: 1755324 (1930-04-01), Jacobs
patent: 2993146 (1961-07-01), Winter
patent: 3631323 (1971-12-01), Pittman
patent: 3673459 (1972-06-01), Carpenter
patent: 4328523 (1982-05-01), Seguin
patent: 4563720 (1986-01-01), Clark
patent: 4665460 (1987-05-01), Schaff

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