This standard specifies the use conditions, technical requirements, testing, selection, maintenance and management of disconnectors for gapless metal oxide arresters in 3kV~500kV AC power systems. This standard applies to disconnectors for gapless metal oxide surge arresters (hereinafter referred to as disconnectors) defined in GB 11032.
DL/T 1294-2013 Referenced Document
GB 11032 Metal-oxide surge arresters without gaps for a.c. systems
GB 311.1 Insulation co-ordination.Part 1:Definitions,principles and rules
GB/T 16927.1 High-voltage test techniques.Part 1:General definitions and test requirements
GB/T 2423.22 Environmental testing.Part 2:Test methods.Test N:Change of temperature
GB/T 2900.12 Electrotechnical terminology.Surge arresters,low-voltage surge protective devices and components
GB/T 2900.19 Electrotechnical terminology—High-voltage test technique and insulation co-ordination*, 2022-10-14 Update