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NEN EN IEC 61857-21 : 2009

Current

Current

The latest, up-to-date edition.

ELECTRICAL INSULATION SYSTEMS - PROCEDURES FOR THERMAL EVALUATION - PART 21: SPECIFIC REQUIREMENTS FOR GENERAL-PURPOSE MODEL - WIRE-WOUND APPLICATIONS

Published date

12-01-2013

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Explains 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.

DevelopmentNote
Supersedes NEN EN IEC 61857-23. (12/2004)
DocumentType
Standard
PublisherName
Netherlands Standards
Status
Current
Supersedes

Standards Relationship
EN 61857-21:2009 Identical
IEC 61857-21:2009 Identical

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