Standard

IEC 60567:2023 ED5

Dec 2023 Current

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Oil-filled electrical equipment - Sampling of free gases and analysis of free and dissolved gases in mineral oils and other insulating liquids - Guidance Current IEC 60567:2023 CMV Commented version Publication date: Dec 2023 Language: English Services: Online, Online + Pdf

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Abstract

IEC 60567:2023 deals with the techniques for sampling free gases from gas-collecting relays from power transformers. Three methods of sampling free gases are described. The techniques for sampling oil from oil-filled equipment such as power and instrument transformers, reactors, bushings, oil-filled cables and oil-filled tank-type capacitors are no longer covered by this document, but are instead described in IEC 60475:2022, 4.2. Before analysing the gases dissolved in oil, they are first extracted from the oil. Three basic methods are described, one using extraction by vacuum (Toepler and partial degassing), another by displacement of the dissolved gases by bubbling the carrier gas through the oil sample (stripping) and the last one by partition of gases between the oil sample and a small volume of the carrier gas (headspace). The gases are analysed quantitatively after extraction by gas chromatography; a method of analysis is described. Free gases from gas-collecting relays are analysed without preliminary treatment.

Products specifications

Standard from IEC
Published: December 8 2023
Edition: 5
Document type: IS
Pages
ISBN: 9782832279601

Publisher: IEC
Distributor: IEC
ICS: 29.040.10
International TC: TC 10

Product Relations

Adopted by: NF EN IEC 60567:2024
Adopted by: SN EN IEC 60567:2024
Revises: IEC 60567:2011 ED4

IEC 60567:2023 ED5

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