Space charge effect is harmful for DC HV and EHV plastic power cable.In this paper, metallocene catalyzed polyethylene(MPE) acting as a nucleator, was blended into low-density polyethylene(LDPE).

• 普通低密度聚乙烯以其优良的综合性能在高压和超高压电线电缆领域得到了广泛的应用，研究其存在的空间电荷效应具有重要的意义。