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IEC 61857-21:2004 ED2

Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications IEC 61857-21:2004 ED2

Publication date:   Aug 27, 2004

General information

99.60 Withdrawal effective   May 13, 2009

IEC

TC 112

International Standard

29.080.30   Insulation systems

Buying

Revised

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Scope

Describes a general-purpose model (GPM) and a tall channel alternative model (GPM-TC) which can be used for the evaluation of wire-wound EIS where specific electrotechnical products are not available or required.
This edition constitutes a technical revision by merging Part 23 into Part 21.

Life cycle

PREVIOUSLY

WITHDRAWN
IEC 61857-23:2002 ED1

WITHDRAWN
IEC 61857-23:2002/COR1:2003 ED1

WITHDRAWN
IEC 61857-21:1998 ED1

NOW

WITHDRAWN
IEC 61857-21:2004 ED2
99.60 Withdrawal effective
May 13, 2009

REVISED BY

PUBLISHED
IEC 61857-21:2009 ED3