IEC 62271-204:2022 EXV
High-voltage switchgear and controlgear - Part 204: Rigid gas-insulated transmission lines for rated voltage above 52 kV
IEC 62271-204:2022 EXV contains both the international standard and its extended version (EXV). This extended version of the official IEC Standard is available in English only and provides the user with a comprehensive content of the Standard. IEC 62271-204:2022 EXV includes the content of the references made to IEC 62271-1:2017+AMD1:2021 CSV and IEC 62271-203:2022.IEC 62271-204:2022 applies to rigid HV gas?insulated transmission lines (GIL) in which the insulation is obtained, at least partly, by an insulating gas or gas mixture other than air at atmospheric pressure, for alternating current of rated voltages above 52 kV, and for service frequencies up to and including 60 Hz. This second edition cancels and replaces the first edition published in 2011. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:- update to be in line with IEC 62271-1:2017 and alignment of the voltage ratings and the test voltages.- addition of new information for welds on pressurized parts and gas tightness.
IEC 62271-204:2022 EXV contains both the international standard and its extended version (EXV). This extended version of the official IEC Standard is available in English only and provides the user with a comprehensive content of the Standard. IEC 62271-204:2022 EXV includes the content of the references made to IEC 62271-1:2017+AMD1:2021 CSV and IEC 62271-203:2022.
IEC 62271-204:2022 applies to rigid HV gas?insulated transmission lines (GIL) in which the insulation is obtained, at least partly, by an insulating gas or gas mixture other than air at atmospheric pressure, for alternating current of rated voltages above 52 kV, and for service frequencies up to and including 60 Hz. This second edition cancels and replaces the first edition published in 2011. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- update to be in line with IEC 62271-1:2017 and alignment of the voltage ratings and the test voltages.
- addition of new information for welds on pressurized parts and gas tightness.
La CEI 62271-204:2011 est applicable aux lignes de transport rigides haute tension à isolation gazeuse (LIG) dont l'isolation est réalisée, au moins partiellement, par un gaz isolant non corrosif autre que l'air à la pression atmosphérique, pour un courant alternatif de tension assignée supérieure à 52 kV, pour des fréquences de service inférieures ou égales à 60 Hz. La présente norme annule et remplace la CEI/TS 61640:1998. Elle constitue une révision technique. Par rapport à l'édition précédente, la présente édition inclut les principales modifications techniques suivantes: - mise à jour conforme aux CEI 62271-1:2007 et 62271-203 et alignement des caractéristiques assignées de tension et des tensions d'essai; - ajout d'informations pour l'étanchéité au gaz et la protection contre la corrosion. Cette publication doit être lue conjointement avec la CEI 62271-1:2007.
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