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Reference IEC 60216-5 ed3.0 withdrawn corrigendum
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Title Electrical insulating materials - Thermal endurance properties - Part 5: Determination of relative thermal endurance index (RTE) of an insulating material
Publication date 2008-03-11
Format, price
(Swiss francs)
and language
150.- 46 pages
150.- 1430 Kb
 
Abstract IEC 60216-5 specifies the experimental and calculation procedures to be used for deriving the relative thermal endurance index of a material from experimental data obtained in accordance with the instructions of IEC 60216-1 and IEC 60216-2. The calculation procedures are supplementary to those of IEC 60216-3. Guidance is also given for assessment of thermal ageing after a single fixed time and temperature, without extrapolation. The experimental data may in principle be obtained using destructive, non-destructive or proof tests, although destructive tests have been much more extensively employed. Data obtained from non-destructive or proof tests may be "censored", in that measurement of times taken to reach the endpoint may have been terminated at some point after the median time but before all specimens have reached end-point (see IEC 60216-1). Guidance is given for preliminary assignment of a thermal class for an insulating material, based upon the thermal ageing performance. The calculation procedures of this standard also apply to the determination of the thermal class of an electrical insulation system when the thermal stress is the prevailing ageing factor. This third edition clarifies and corrects a few items and adds an Annex D which provides criteria for the selection of the reference (or reference EIM). The third edition provides instructions for deriving a provisional estimate of the temperature up to which a material may give satisfactory performance in an application (by comparative thermal ageing with a material of known performance). The contents of the corrigendum of December 2009 have been included in this copy.
Technical Committee 112 - Evaluation and qualification of electrical insulating materials and systems  RSS
ICS Codes
19.020 Test conditions and procedures in general

29.020 Electrical engineering in general
*Including voltages, general electrical terminology, electrical documentation, electrical tables, safety, fire hazard testing, etc.
*Electrical diagrams and charts, see 01.100.25
*Electrical power stations, see 27.100
*Electromagnetic compatibility, see 33.100

29.035.01 Insulating materials in general
 
Replaced by
Stability date 2016
 
Work in progress
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