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Publication details

Publication CODE Title
NBN EN IEC 60216-6:2023 (2023-01) ELECTRICAL INSULATING MATERIALS - THERMAL ENDURANCE PROPERTIES - PART 6: DETERMINATION OF THERMAL ENDURANCE INDICES (TI AND RTI) OF AN INSULATING MATERIAL USING THE FIXED TIME FRAME METHOD
 
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Description
This part of IEC 60216 specifies the experimental and calculation procedures for deriving the thermal endurance characteristics, temperature index (TI) and relative temperature index (RTI) of an electrical insulating material (EIM) using the "fixed time frame method (FTFM)". In this protocol, the ageing takes place for a small number of fixed times, using the appropriate number of ageing temperatures throughout each time, the properties of the specimens being measured at the end of the relevant time interval. This differs from the procedure of IEC 60216-1, where ageing is conducted at a small number of fixed temperatures, property measurement taking place after ageing times dependent on the progress of ageing. The diagnostic tests employed in the fixed time frame method are restricted to destructive tests. The method has not yet been applied to non-destructive or proof test procedures. Both the TI and the RTI determined according to the FTFM protocol are derived from experimental data obtained in accordance with the instructions of IEC 60216-1 and IEC 60216-2 as modified in this part of IEC 60216. The calculation procedures and statistical tests are modified from those of IEC 60216-3 and IEC 60216-5.
Class  C
Available files
ATTENTION: Belgian registered standards (NBN EN or NBN HD) are generally only available in English or French. Only the cover page is translated and the document itself is in English or in French.

EN version
FR version
Status
Status IEC PUBLICATION
Situation Currently active
Replaces  NBN EN 60216-6:2007
Origin
Committee CLC/SR 112
Evaluation and qualification of electrical insulating materials and systems (to be defined)
Approval
NBN Approval 2023-01-18
NBN Status New
Date of announcement (d.o.a.) 2023-04-02
Date of publication (d.o.p.) 2023-10-02
Date of withdrawal former edition (d.o.w.) 2026-01-02
IEC file modification date 2023-01-14