标准号:SFS-EN 50052 E-1987
中文标准名称:充气高电压开关装置和控制装置用铸铝合金外壳
英文标准名称:This standard is approved in English
发布日期:1987/5/18 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:This standard applies to cast aluminium alloy enclosures pressurized with dry air, inert gases, for example sulphur hexafluoride or nitrogen or a mixture of such gases, used in indoor or outdoor installations of high-voltage svvitchgear and controlgear with rated voltages above 1 kV, vvhere the gas is used principally for its dielectric and/or arc-quenching properties.The enclosures comprise parts of electrical equipment not necessarily limited to the following examples:Circuit-breakers Switch-disconnectors Disconnectors Earthing svvitches Current transformers Voltage transformers Surge arrestors Busbars and connectionsThe scope also covers pressurized components such as the centre chamber of live tank svvitchgear, gas-insulated current transformers, etc. .
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