标准摘要
[中文适用范围]： 描述了通用模型 (GPM) 和高通道替代模型 (GPM-TC)，可用于评估没有或不需要特定电工产品的绕线 EIS。此版本构成技术修订版 [外文原描述]： 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.
英文名称Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications