Overvoltage arrester

Details Overvoltage arrester Overvoltage arrester

1986-01-09

1987-08-11

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361127, 361128, 361130, H02H 904

Patent

active

046866035

ABSTRACT:
An overvoltage arrester having power connectors at its opposite ends is provided with an insulating housing that encloses a stack of coaxially arranged cylindrical varistors at least partially embedded in insulating material. An annular space is provided between the insulating material and the interior wall of the housing and is filled with an electrically insulating, heat-conducting material. The housing is protected from bursting in the event of the occurrence of an electrical flash-over along the varistor stack by a pressure relief duct that extends along the varistors between the power connections.

REFERENCES:
patent: 3914657 (1975-10-01), Melanson
patent: 4092694 (1978-05-01), Stetson
patent: 4100588 (1978-07-01), Kresge
patent: 4223366 (1980-09-01), Sweetana et al.
patent: 4240124 (1980-12-01), Westrom
patent: 4385338 (1983-05-01), Hasse et al.
patent: 4463405 (1984-07-01), Koch et al.
patent: 4476513 (1984-10-01), Stenstrom

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