IEC 61857-21:1998

IEC 61857-21:1998

November 1998
International standard Cancelled

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

This general purpose model (GPM) can be used for the evaluation of wire-wound electrical insulation systems where specific electrotechnical products are not available or required.

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International IEC standards

Publication date

November 1998

Number of pages

19 p.

Reference

IEC 61857-21:1998

Print number

1
Sumary
Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose model - Wire-wound applications

This general purpose model (GPM) can be used for the evaluation of wire-wound electrical insulation systems where specific electrotechnical products are not available or required.
Standard replaced by (1)
IEC 61857-21:2004
August 2004
International standard Cancelled
Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications

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.

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