Surge arrestor unit

Details Surge arrestor unit Surge arrestor unit

1993-10-21

1995-07-25

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361129, 361126, 361117, H02H 322

Patent

active

054367875

ABSTRACT:
A three-terminal surge arrestor unit employs air gaps augmented with semiconductors to protect a circuit having two ungrounded conductors. Conductive electrodes and the semiconductors are mounted on a common axis in a sandwich arrangement and secured in fixed relative positions. Two air gap lightning arrestors provide current paths for the respective conductors to ground in response to lightning strikes or other damaging surges, and an equalizer is incorporated in the electrode configuration to establish a current path between the conductors to protect them from an excessive voltage differential. The resulting configuration is a single, three-terminal unit designed to replace multiple unit air gap systems and gas tube arrestors.

REFERENCES:
patent: 2923849 (1960-02-01), Rees
patent: 2967256 (1961-01-01), Rees
patent: 3056068 (1962-09-01), Barker et al.
patent: 3204322 (1965-09-01), Rees
patent: 4107567 (1978-08-01), Cunningham et al.
patent: 4237515 (1980-12-01), Pierce, Jr.
patent: 4237516 (1980-12-01), Pierce, Jr.

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