IEC TR 61858-3-2020
电气绝缘系统.已建立电气绝缘系统(EIS)修改的热评估.第3部分:电气绝缘材料(EIM)和辅助材料的澄清
Electrical insulation systems - Thermal evaluation of modifications to an established electrical insulation system (EIS) - Part 3: Clarification of electrical insulating materials (EIMs) and auxiliary