I.S. EN 60216-5:2008
Current
The latest, up-to-date edition.
ELECTRICAL INSULATING MATERIALS - THERMAL ENDURANCE PROPERTIES - PART 5: DETERMINATION OF RELATIVE THERMAL ENDURANCE INDEX (RTE) OF AN INSULATING MATERIAL
Hardcopy , PDF
English
01-01-2008
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Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
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FOREWORD
1 Scope
2 Normative references
3 Terms, definitions, symbols, units and abbreviations
3.1 Terms, abbreviations, and definitions
3.2 Symbols and units
3.3 Objectives of RTE determination
4 Experimental procedures
4.1 Selection of reference EIM
4.2 Selection of diagnostic test for extent of ageing
4.3 Ageing procedures
5 Calculation procedures
5.1 Thermal endurance data - Calculation of intermediate
parameters
5.2 Calculation of RTE
5.3 Statistical and numerical tests
5.3.1 Tests of IEC 60216-3
5.3.2 Precision of correlation time
5.3.3 Lower confidence interval of RTE
5.3.4 Extrapolation
6 Report
6.1 Results of statistical and numerical tests
6.2 Results
6.3 Report
7 Material testing by short-term thermal ageing
8 Insulation classification
Annex A (informative) - Repeatability of correlation time
Annex B (informative) - Thermal class assignment
Annex C (informative) - Computer program
Annex D (informative) - Selection of the reference EIM
Annex ZA (normative) - Normative references to international
publications with their corresponding
European publications
Bibliography
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