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IEC 60370

Test procedure for thermal endurance of insulating resins and varnishes for impregnation purposes – Electric breakdown methods

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Organization: IEC
Publication Date: 1 December 2017
Status: active
Page Count: 38
ICS Code (Insulating materials in general): 29.035.01
scope:

This International Standard covers methods of test for the determination of thermal endurance (temperature index) of electrical insulating resins and varnishes for impregnation purposes.

It is done by means of impregnating glass cloth and measuring electric strength or breakdown voltage before and after heat ageing.

It covers the materials described in IEC 60455-3-5 and IEC 60464-3-2 and similar materials.

Document History

IEC 60370
December 1, 2017
Test procedure for thermal endurance of insulating resins and varnishes for impregnation purposes – Electric breakdown methods
This International Standard covers methods of test for the determination of thermal endurance (temperature index) of electrical insulating resins and varnishes for impregnation purposes. It is done...
IEC 60370
January 1, 1971
Test Procedure for Thermal Endurance of Insulating Varnishes - Electric Strength Method
A description is not available for this item.

References

This document references:
ASTM D1932 - Standard Test Method for Thermal Endurance of Flexible Electrical Insulating Varnishes
Published by ASTM on November 1, 2019
This test method covers the determination of the relative thermal endurance of flexible electrical insulating varnishes by determining the time necessary at elevated temperatures to decrease the...
This document references:
IEC 60212 - Standard conditions for use prior to and during the testing of solid electrical insulating materials
Published by IEC on December 1, 2010
This International Standard gives the accepted conditions of exposure time, temperature, atmospheric humidity and liquid immersion for use in testing solid electrical insulating materials. The range...
This document references:
IEC 60216-1 - Electrical insulating materials – Thermal endurance properties – Part 1: Ageing procedures and evaluation of test results
Published by IEC on March 1, 2013
This part of IEC 60216 specifies the general ageing conditions and procedures to be used for deriving thermal endurance characteristics and gives guidance in using the detailed instructions and...
This document references:
IEC 60216-2 - Electrical insulating materials – Thermal endurance properties – Part 2: Determination of thermal endurance properties of electrical insulating materials – Choice of test criteria
Published by IEC on August 1, 2005
This part of IEC 60216 gives guidance for the choice of test criteria for the determination of thermal endurance characteristics. It includes a list of existing published procedures which is however...
This document references:
IEC 60216-3 - Electrical insulating materials – Thermal endurance properties – Part 3: Instructions for calculating thermal endurance characteristics
Published by IEC on March 1, 2021
This part of IEC 60216 specifies the calculation procedures used for deriving thermal endurance characteristics from experimental data obtained in accordance with the instructions of IEC 60216-1 and...
This document is referenced by:
BS EN 60216-2 - Electrical insulating materials Thermal endurance properties Part 2: Determination of thermal endurance properties of electrical insulating materials Choice of test criteria
Published by BSI on December 2, 2005
A description is not available for this item.
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