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IEC 61857-32-ed.1.0
Electrical insulation systems - Procedures for thermal evaluation - Part 32: Multifactor evaluation with increased factors during diagnostic testing
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STANDARD published on 14.10.2019
The information about the standard:
Designation standards: IEC 61857-32-ed.1.0
Publication date standards: 14.10.2019
SKU: NS-974460
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 61857-32-ed.1.0 :
IEC 61857-32:2019 series is focused on applications where other possible factors need to be incorporated to evaluate any influence on the performance of the electrical insulation system (EIS). Multi-factor evaluation is the most complex type of project to design and conduct. Clear guidelines are needed to give the user of this document a uniform approach and a method to analyse the test results. This document is for applications where the stresses are some combination of other factors of influence identified in IEC 60505. The multi-factor stresses are applied during the diagnostic portion of each test cycle. A few examples of other factors of influence or multi-factor stresses are: – high vibration; – submersion in oils, water, or solutions; – voltage higher than the test voltage of the reference EIS; – decreased cold shock temperature. LIEC 61857-32:2019 concerne essentiellement les applications dans lesquelles il est necessaire dintegrer dautres facteurs possibles pour evaluer limpact sur les performances du systeme disolation electrique (SIE). Levaluation multifactorielle est le type de projet le plus complexe a concevoir et realiser. Des lignes directrices claires sont necessaires pour proposer a lutilisateur du present document une approche uniforme et une methode danalyse des resultats dessai. Le present document concerne les applications dans lesquelles les contraintes combinent dautres facteurs dinfluence identifies dans lIEC 60505. Les contraintes multifactorielles sont appliquees pendant la partie de chaque cycle dessai relative au diagnostic. Quelques exemples dautres facteurs dinfluence ou de contraintes multifactorielles sont: – les fortes vibrations; – limmersion dans lhuile, leau ou des solutions; – une tension superieure a la tension dessai du SIE de reference; – une temperature de choc au froid diminuee.
