EN 60099-9:2014

Surge arresters - Part 9: Metal-oxide surge arresters without gaps for HVDC converter stations EN 60099-9:2014

Publication date:   Nov 17, 2014

General information

60.60 Standard published   Sep 12, 2014

CENELEC

CLC/SR 37 Surge arresters

European Norm

29.120.50   Fuses and other overcurrent protection devices | 29.240.10   Substations. Surge arresters

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Scope

IEC 60099-9:2014 applies to non-linear metal-oxide resistor type surge arresters without spark gaps designed to limit overvoltages in HVDC converter stations of two terminal, multiterminal and back-to-back type up to and including an operating voltage of 1 100 kV. The standard applies in general to porcelain-housed and polymer-housed type arresters but also to gas-insulated metal enclosed arresters (GIS-arresters) solely used as d.c. bus and d.c. line/cable arresters. Arresters for voltage source converters are not covered. Arresters applied on the a.c. systems at the converter station and subjected to power-frequency voltage of 50 or 60 Hz principally without harmonics are tested as per IEC 60099-4. The arresters on a.c.-filters are tested according to this standard.
Keywords: testing of gapless metal-oxide surge arrestors for HVDC converter stations

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PUBLISHED
EN 60099-9:2014
60.60 Standard published
Sep 12, 2014