IEC 62271-4 Ed. 1.0 b:2013

High-voltage switchgear and controlgear - Part 4: Handling procedures for sulphur hexafluoride (SF₆) and its mixtures

International Electrotechnical Commission, 08/26/2013

Publisher: IEC

File Format: PDF

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Description

Published:26/08/2013

Pages:157

File Size:1 file , 1.4 MB

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IEC 62271-4:2013 applies to the procedures for handling of SF₆ during installation, commissioning, normal and abnormal operations, disposal at the end of life of high voltage switchgear and controlgear. This first edition cancels and replaces the first edition of IEC/TR 62271-303 published in 2008. This first edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) the description of the potential effects on health of SF₆ by products (former Annex D of IEC/TR 62271-303:2008) has been replaced by the calculation methods for evaluating of the potential effects on health of SF₆ by products (see Annex H);
b) information about cryogenic reclaim of SF₆. Have been added (see Annex I);
c) handling procedures for the most popular SF₆ mixtures have been added (see Annex J).