IEC 61857-21:2009

Title

Language: EN Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications

Language: FR Systèmes d'isolation électrique - Procédures d'évaluation thermique - Partie 21: Exigences particulières pour les modèles d'usage général - Applications aux enroulements à fil

Abstract

Language: EN IEC 61857-21:2009 describes a general-purpose model (GPM) and a tall channel alternative model (GPM-TC) which can be used for the evaluation of wire-wound electrical insulation systems (EIS) where specific electrotechnical products are not available or required. The third edition cancels and replaces the second edition published in 2004, and constitutes editorial revisions to make this standard compatible with Parts 1 and 22.

Language(s)
Language: EN Language: FR
Edition
3.0
Date of issue
13.05.2009
TC 112
ICS Codes
29.080.30
Publication number
61857
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Mandatory Standard according current regulation Mandatory Standard according current regulation

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