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IEC 61857-21

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

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Organization: IEC
Publication Date: 1 May 2009
Status: active
Page Count: 36
ICS Code (Insulation systems): 29.080.30
scope:

This part of IEC 61857 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.

Document History

IEC 61857-21
May 1, 2009
Electrical insulation systems – Procedures for thermal evaluation – Part 21: Specific requirements for general-purpose models – Wire-wound applications
This part of IEC 61857 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)...
IEC 61857-21
August 1, 2004
Electrical insulation systems – Procedures for thermal evaluation – Part 21: Specific requirements for general-purpose models – Wire-wound applications
A description is not available for this item.
IEC 61857-21
November 1, 1998
Electrical Insulation Systems - Procedures for Thermal Evaluation - Part 21: Specific Requirements for General-Purpose Model - Wire-Wound Applications
A description is not available for this item.

References

This document references:
IEC 60505 - Evaluation and qualification of electrical insulation systems
Published by IEC on July 1, 2011
This International Standard establishes the basis for estimating the ageing of electrical insulation systems (EIS) under conditions of either electrical, thermal, mechanical, environmental stresses...
This document references:
IEC 60455-1 - Resin Based Reactive Compounds Used for Electrical Insulation - Part 1: Definitions and General Requirements
Published by IEC on August 1, 1998
A description is not available for this item.
This document references:
IEC 60455-3-1 - Resin based reactive compounds used for electrical insulation Part 3: Specifications for individual materials Sheet 1: Unfilled epoxy resinous compounds
Published by IEC on April 1, 2003
This part of IEC 60455 contains the requirements for unfilled epoxy resinous compounds in the cured form for classes EP-U-1 to EP-U-7.
This document references:
IEC 60455-3-4 - Resin based reactive compounds used for electrical insulation Part 3: Specifications for individual materials Sheet 4: Filled polyurethane compounds
Published by IEC on April 1, 2003
This part of IEC 60455 contains the requirements for filled polyurethane resinous compounds in the cured form for classes PUR-F-4 to PUR-F-8.
This document references:
IEC 60455-2-2 - Specification for solventless polymerisable resinous compounds used for electrical insulation Part 2: Methods of test Test methods for coating powders for electrical purposes
Published by IEC on January 1, 1984
This standard gives methods of test for thermo-setting coating powders as defined in Subclause 3.7 of I EC Publication 455-1 : Specification for Solventless Polymerisable Resinous Compounds used for...
This document is referenced by:
BS EN 61858-1 - Electrical insulation systems — Thermal evaluation of modifications to an established electrical insulation system (EIS) Part 1: Wire-wound winding EIS
Published by BSI on May 31, 2014
A description is not available for this item.
This document is referenced by:
IEC TR 61857-2 - Electrical insulation systems – Procedures for thermal evaluation – Part 2: Selection of the appropriate test method for evaluation and classification of electrical insulation systems
Published by IEC on April 1, 2015
This part of IEC 61857 gives guidelines to identify the appropriate test method to be used for the evaluation of a proposed Electrical Insulation System (EIS). Some of the standards are for...
This document is referenced by:
CEI EN 61858-1 - Electrical insulation systems - Thermal evaluation of modifications to an established electrical insulation system (EIS) Part 1: Wire-wound winding EIS
Published by CEI on March 1, 2015
This part of IEC 61858 lists the required test procedures for qualification of modifications of an established electrical insulation system (EIS) with respect to its thermal classification. This...
This document is referenced by:
BS PD IEC/TR 61857-2 - Electrical insulation systems — Procedures for thermal evaluation Part 2: Selection of the appropriate test method for evaluation and classification of electrical insulation systems
Published by BSI on April 30, 2015
A description is not available for this item.
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