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UNE EN 50069:1994现行

Welded Composite Enclosures Of Cast And Wrought Aluminium Alloys For Gas-filled High Voltage Switchgear And Control Gear

出版:Asociacion Espanola de Normalizacion

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基本信息
标准编号: UNE EN 50069:1994
发布时间:1994/11/15 0:00:00
标准类别:Standard
出版单位:Asociacion Espanola de Normalizacion
标准页数:22
标准简介

Applies to welded composite enclosures of cast and wrought aluminium and aluminium alloy enclosures pressurized with dry air, inert gases, e.g. sulfur hexafluoride or nitrogen, and used in indoor or outdoor installations of high voltage switchgear and controlgear with rated voltages of 72,5 kV and above, where the gas is used for its dielectric and/or arc quenching properties. Enclosures comprise parts of electrical equipment such as circuit breakers, switch disconnectors, disconnectors, earthing switches, current and voltage transformers, surge arrestors and bushbar and connections. Includes pressurized components such as centre chamber of live tank switchgear and controlgear, gas insulated current transformers, etc.