IEC 61858:2004 ED2

Electrical insulation systems - Thermal evaluation of modifications to an established wire-wound EIS

Publication date: 10 nën 2004

General information

Current stage: 99.60 Effective date: 25 korr 2008

Originator: IEC

Owner: TC 112

Type: International Standard

ICS: 29.080.30

Gjuha: anglisht frëngjisht spanjisht

Buying

Statusi: Revised

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Scope

Lists the required test procedures for qualification of modifications of an established electrical insulation system (EIS) with respect to its thermal classification. This standard is applicable to EIS used in wire-wound electrotechnical devices. The test procedures are comparative in that the performance of a candidate EIS is compared to that of a reference EIS, which has proven service experience in accordance with IEC 60791 or has been evaluated by one of the procedures given in the IEC 61857 series.
This second edition cancels and replaces the first edition, published in 1999, and constitutes a technical revision that incorporates test procedures referenced in IEC 60034-18-22.

Life cycle

PREVIOUSLY

WITHDRAWN
IEC 61858:1999 ED1

NOW

WITHDRAWN
IEC 61858:2004 ED2
99.60 Withdrawal effective
25 korr 2008

REVISED BY

WITHDRAWN
IEC 61858:2008 ED3