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5 不同直流幅值与+25 kV脉冲电压相复合时的电荷输运过程[24]
Fig.5 Charge transport processes under different DC and +25kV pulse combined voltages[24]