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IEC 61857-21:2009 (EN-FR)

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

Standard Details

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.

General Information

Status : ACTIVE
Standard Type: Main
Document No: IEC 61857-21:2009 (EN-FR)
Document Year: 2009
Pages: 32
Edition: 3.0
  • Section Volume:
  • TC 112 Evaluation and qualification of electrical insulating materials and systems

Life Cycle

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ACTIVE
IEC 61857-21:2009 (EN-FR)
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