Podrobnosti návrhu

Číslo:112/448/CDV - IEC 61857-33 ED1
Zdroj:ISO\IEC\CEN\CENELEC
Komise:IEC/TC 112
Název komise:Evaluation and qualification of electrical insulating materials and systems
Návrh uveřejněn:1.07.2019
K připomínkám do:27.08.2019
Contact email:cermak(at)agentura-cas.cz
Anotace:

This document is applicable to multifactor evaluation of an EIS for applications where the stresses of the application are a combination of the factors identified in IEC 60505. The severe operating conditions are expected to occur during operation at elevated temperatures.

This document establishes the procedure to evaluate the influence of stresses on the performance established following the thermal classification of the EIS. The thermal classification is established in Step 1 where the only ageing factor is thermal. The candidate EIS is first evaluated based on thermal stress only. This evaluation is defined as the baseline of the candidate EIS. In Step 2, the evaluation of the additional factors applied at elevated temperatures provides the measurement needed to establish the influence of the additional factors on the performance of the baseline EIS.

This document is about thermal endurance testing with one or more stress factors added during the thermal ageing process. It provides guidance regarding interpretation of the test results.

The performance of any product designed and constructed using the EIS established in accordance with this document shall be evaluated in accordance with the application requirements set by the appropriate IEC Technical Committee.

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