Surge arrester

Details Surge arrester Surge arrester

1981-04-24

1982-09-28

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361117, H02H 322

Patent

active

043521401

ABSTRACT:
In a surge arrester comprising a stack of series-connected cylindrical ZnO-varistors in an insulating housing, the envelope surface of each varistor is provided with an insulating protection means, which overlap varistors positioned adjacent to each other. The protection means prevent the varistors from being mechanically damaged during handling, provides guiding for the varistors in the stack, and seals the stack of varistors, so that a local glow discharge or a fault in individual varistors will not lead to an arc flash-over along the stack.

REFERENCES:
patent: 4046847 (1977-09-01), Kresge
patent: 4100588 (1978-07-01), Kresge

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