Superseded
Standard
Historical
IEC 61857-21:2004
Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications
Preview
Summary
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.
This edition constitutes a technical revision by merging Part 23 into Part 21.
Technical characteristics
| Publisher | International Electrotechnical Commission (IEC) |
| Publication Date | 08/27/2004 |
| Release Date | 08/27/2004 |
| Cancellation Date | 05/13/2009 |
| Edition | 2 |
| Page Count | 29 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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