IEC TS 62332-2:2014 

Electrical insulation systems (EIS) - Thermal evaluation of combined liquid and solid components - Part 2: Simplified test


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IEC TS 62332-2:2014 is applicable to EIS containing solid and liquid components where the thermal stress is the dominant ageing factor, without restriction to voltage class. This part specifies a sealed tube test procedure for the thermal evaluation and qualification of electrical insulation systems (EIS). One aspect of this procedure is to also provide a method to assign thermal classifications to materials used in EIS where solid and liquid components are both used. This procedure describes a comparative ageing method whereby a reference system composed of kraft paper and mineral oil is compared to a candidate system of any combination of solid and insulating liquid. The test procedures in this part are specifically applicable to liquid immersed transformer insulation systems.

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Additional information

Publication typeTechnical Specification
Publication date2014-04-24
Available language(s)English/French
TC/SCTC 112 - Evaluation and qualification of electrical insulating materials and systemsrss
ICS29.080.30 - Insulation systems
Stability date  2024
File size1273 KB

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