标准摘要
[中文适用范围]： 给出了绝缘系统的热评估和分类的测试程序，将候选绝缘系统的性能与具有经过验证的使用经验的参考绝缘系统的性能进行比较。教派 [外文原描述]： Provides procedures for the thermal evaluation and classification of insulation systems of wire-wound winding machines. Should be used in conjunction with section 1.
英文名称Rotating electrical machines - Part 18: Functional evaluation of insulation systems - Section 21: Test procedures for wire-wound windings - Thermal evaluation and classification