环境友好型直流电缆料聚丙烯绝缘的电树枝研究进展
朱乐为,杜伯学

Research Status on Electrical Tree of Polymer Insulation Materials in HVDC Cables
Zhu Lewei,Du Boxue
图3 PP与XLPE中的典型电树枝击穿前形态[21]
Fig.3 Typical pre-breakdown structure of electrical trees in PP and XLPE[21]