额定电压 66 kV(Um=72.5 kV)和110 kV(Um=126kV)交联聚乙烯绝缘电力电缆及其附件 第1部分：试验方法和要求

Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 66 kV(Um=72.5 kV)and 110 kV(Um=126 kV)—Part 1: Test methods and requirements