Draft Document - Electrical insulation systems - Procedures for thermal evaluation - Part 33: Multifactor evaluation with increased factors at elevated temperature (IEC 112/388/CDV:2017); German and English version prEN 61857-33:2017
文件草案-电气绝缘系统-热评估程序-第33部分:高温下增加系数的多因素评估(IEC 112/388/CDV:2017);德文和英文版本prEN 61857-33:2017