Surge arrester

Details Surge arrester Surge arrester

1998-07-17

1999-08-10

Leja, Ronald W.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361117, H02H 100

Patent

active

059368268

ABSTRACT:
The surge arrester has an axially symmetrical active portion (2) arranged between two connection fittings (1, 2). This active portion (2) contains varistor elements (12) stacked one above the other and also an axially symmetrical connecting element (13) of electrically conductive material arranged in the active portion (2) of the arrester between two successive varistor elements (12). At least four mounting places (16, 16'), which are uniformly distributed around the axis in the circumferential direction, are formed in the connecting element (13). Two first (16) of the mounting places support respectively one of two first loops (15) which act with contact force on the connecting element (13) and on the varistor elements (12) abutting the connecting element (13). Two second (16') of the mounting places support respectively one of two second loops (15) which act with contact force on the connecting element (13) and on the varistor elements (12) located under the connecting element. Such a surge arrester can have large constructional heights and is distinguished in addition by good mechanical and electrical properties.

REFERENCES:
patent: 3310766 (1967-03-01), Downing et al.
patent: 4335417 (1982-06-01), Sakshaug et al.
patent: 5497138 (1996-03-01), Malpiece et al.
patent: 5517382 (1996-05-01), Leupp et al.

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