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US 2019/0057797 A1Published application
Surge arrester and method of manufacturing a surge arrester
AssigneeSiemens Aktiengesellschaft
InventorHENRIK ROGGOW
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Abstract
A surge arrester has a discharge column formed of a stack of a plurality of varistor disks. The stack is stabilized with a fiberglass material. The fiberglass material is preimpregnated with a resin and the fiberglass material has glass fibers with a maximum diameter of 8 μm. A surge arrester may be formed by wrapping a tape of such fiberglass material around a stack of varistor disks.
Claims15
A surge arrester, comprising:
- a discharge column formed with a plurality of varistor disks;
- fiberglass material impregnated with resin disposed to stabilize said discharge column;
- said fiberglass material having glass fibers with a maximum diameter of 8 μm.
A method of manufacturing a surge arrester, the method comprising the following steps:
- providing a fiberglass material impregnated with resin, the fiberglass material having glass fibers with a maximum diameter of 8 μm;
- and
- stabilizing a discharge column having a plurality of varistor disks with the fiberglass material.
Dependencies are inferred from the claim text.