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Standard [WITHDRAWN]

DIN EN 60099-8:2011-11

VDE 0675-8:2011-11

Surge arresters - Part 8: Metal-oxide surge arresters with external series gap (EGLA) for overhead transmission and distribution lines of a.c. systems above 1 kV (IEC 60099-8:2011); German version EN 60099-8:2011

German title
Überspannungsableiter - Teil 8: Metalloxid-Überspannungsableiter mit externer Serienfunkenstrecke (EGLA) für Übertragungs- und Verteilungsleitungen von Wechselstromsystemen über 1 kV (IEC 60099-8:2011); Deutsche Fassung EN 60099-8:2011
Publication date
2011-11
Original language
German
Pages
66

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Publication date
2011-11
Original language
German
Pages
66

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Overview

This standard covers metal-oxide surge arresters with external series gap (EGLA) that are applied on overhead transmission and distribution lines, to protect insulator assemblies from lightning-caused flashovers. The external spark gap may therefore only respond to quickly rising surges. For all power frequency voltages and slowly rising surges, the spark gap shall not respond. Considering the particular design concept and the special application on overhead transmission and distribution lines, some unique requirements and tests are introduced, such as the verification test for coordination between insulator withstand and EGLA protective level, the follow current interrupting test, mechanical load tests, etcetera. Designs with the EGLA's external series gap installed in parallel to an insulator are not covered by this standard. The responsible committee is K 441 "Überspannungsableiter" ("Surge arresters") of the DKE (German Commission for Electrical, Electronic and Information Technologies) at DIN and VDE.

Replacement amendments

This document has been replaced by: DIN EN IEC 60099-8:2019-02; VDE 0675-8:2019-02 .

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