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IEC/TR 62271-307-ed.2.0
High-voltage switchgear and controlgear - Part 307: Guidance for the extension of validity of type tests of AC metal and solid-insulation enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV
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STANDARD published on 5.12.2024
The information about the standard:
Designation standards: IEC/TR 62271-307-ed.2.0
Publication date standards: 5.12.2024
SKU: NS-1207604
The number of pages: 57
Approximate weight : 171 g (0.38 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC/TR 62271-307-ed.2.0 :
IEC TR 62271-307:2024 refers to prefabricated metal-enclosed and solid-insulation enclosed (both hereinafter called enclosed) switchgear and controlgear assemblies for alternating current of rated voltages above 1 kV and up to and including 52 kV as specified in IEC 62271-200 and IEC 62271-201, and to other equipment included in the same enclosure with any possible mutual influence. This second edition cancels and replaces the first edition published in 2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) Structure of document updated. b) Updated references to IEC 62271-200:2021 and IEC 62271-1:2017. c) Addition of criteria for the extension of validity of type tests from functional unit(s) with a different insulating gas to the functional unit to be validated. d) Figure 5 for the validation of a design modification was added. e) Clause B.7 for the extension of validity of type test for a GIS with insulation gas A to insulation gas B was added.
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