IEC 60156:2018 RLV 
Redline version

Insulating liquids - Determination of the breakdown voltage at power frequency - Test method

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Abstract

IEC 60156:2018 RLV contains both the official IEC International Standard and its Redline version. The Redline version is not an official document, it is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.

IEC 60156:2018 specifies the method for determining the dielectric breakdown voltage of insulating liquids at power frequency. The test procedure is performed in a specified apparatus, where the oil sample is subjected to an increasing AC electrical field until breakdown occurs. The method applies to all types of insulating liquids of nominal viscosity up to 350 mm2/s at 40 °C. It is appropriate both for acceptance testing on unused liquids at the time of their delivery and for establishing the condition of samples taken in monitoring and maintenance of equipment. This third edition cancels and replaces the second edition published in 1995. This edition constitutes a technical revision and, mainly, confirms the content of the previous edition even if some advances are included. The test method has not been changed for practical reason due to the very large number of instrumentation disseminated around the world, even if the use of stirring is now recommended.

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Additional information

Publication typeInternational Standard
Publication date2018-08-17
Edition3.0
Available language(s)English
TC/SCTC 10 - Fluids for electrotechnical applicationsrss
ICS29.040 - Insulating fluids
Stability date  2023
Pages60
File size1650 KB

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