Electrical protective device

Details Electrical protective device Electrical protective device

1991-03-13

1993-05-11

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361127, H02G 1506, H01F 2734

Patent

active

052106764

ABSTRACT:
An electric protective device for protecting a cable, its termination or other apparatus from the effect of lightning strikes on an overhead line to which the apparatus is connected comprises a tubular insulator combined with a surge arrester and integrated by common terminals at the ground and high voltage ends. The insulator and the surge arrester are concentrically disposed about the conductor in a common insulated structure to eliminate connecting leads therebetween and the voltage drop which occurs across such leads during a rapid rise in current. The surge arrester may contribute all or part of the electrical stress grading required in the termination.

REFERENCES:
patent: 3673305 (1972-06-01), Mashikian et al.
patent: 3711794 (1973-01-01), Tasca et al.
patent: 3777219 (1973-12-01), Winters
patent: 3821686 (1974-06-01), Harnden, Jr.
patent: 3876820 (1975-04-01), Mashikian
patent: 4021759 (1977-05-01), Campi
patent: 4587589 (1986-05-01), Marek

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