IEC 61858:1999 ED1

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

Publication date: 30 sht 1999

General information

Current stage: 99.60 Effective date: 10 nën 2004

Originator: IEC

Owner: TC 112

Type: International Standard

ICS: 29.080.30

Gjuha: anglisht frëngjisht spanjisht

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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. Applicable to EIS used in wire-wound electrotechnical devices with input voltage up to 1000 V. 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 IEC 61857 series.

IEC 61858:1999 ED1

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

General information

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